- Dark Mode CSS for macOS Safari
@media (prefers-color-scheme: light) {
:root {
--background-color: #fff;
--link-color: #0000EE;
--text-color: #000;
}
}
@media (prefers-color-scheme: dark) {
:root {
--background-color: #000;
--link-color: #006fc8;
--text-color: #fff;
}
}
* {
background: var(--background-color);
color: var(--text-color);
font-size: 16px;
font-family: 'Lucida Console', Verdana, Arial, Helvetica, Sans-Serif;
}
body {
margin: 15px 0 20px 20px;
}
a:link {
color: var(--link-color) !important;
text-decoration: none;
}
a:visited {
color: var(--link-color) !important;
text-decoration: none;
}
a:hover {
color: var(--link-color) !important;
text-decoration: underline;
}
- .NET Web API Self Hosted Console App for HTTP Services
Setup
.Net 4.5.1 Console app
NuGet: install-package microsoft.aspnet.webApi.selfHost
Run Visual Studio as admin to workaround error: HTTP could not register URL http://+:84/. Your process does not have access rights to this namespace...
http://localhost:84/api/foo/abc
http://localhost:84/api/bar/99
http://localhost:84/api/ack
http://localhost:84/api/bam
using System;
using System.Net.Http;
using System.Web.Http;
using System.Web.Http.SelfHost;
class Program {
static void Main() {
runHttpService();
}
static void runHttpService() {
string baseAddress = "http://localhost:84"; //http://10.0.0.1:84
var config = new HttpSelfHostConfiguration(baseAddress);
config.MapHttpAttributeRoutes();
Action initRoutes = () => {
config.Routes.MapHttpRoute(name: "r1",
routeTemplate: "api/foo/{data}",
defaults: new {
controller = "ESWebApi",
action = "Foo"
});
config.Routes.MapHttpRoute("r2", "api/bar/{data}", new { controller = "ESWebApi", action = "Bar" });
config.Routes.MapHttpRoute("r3", "api/ack", new { controller = "ESWebApi", action = "Ack" });
};
initRoutes();
using (var server = new HttpSelfHostServer(config)) {
server.OpenAsync().Wait();
Console.WriteLine("Web server running at {0}\npress Enter to quit", baseAddress);
Console.ReadLine();
}
}
}
public class ESWebApiController: ApiController {
[HttpGet]
public string Foo(string data) {
return "foo = " + data;
}
[HttpGet]
public HttpResponseMessage Bar(string data) {
return new HttpResponseMessage() { Content = new StringContent("bar = " + data) };
}
[HttpGet]
public HttpResponseMessage Ack() {
return new HttpResponseMessage() { Content = new StringContent("ack!") };
}
[HttpGet]
[Route("api/bam")]
public HttpResponseMessage Bam2() {
return new HttpResponseMessage() { Content = new StringContent(123.ToString()) };
}
}
- HTML Offline Caching Manifest File
CACHE MANIFEST
#v31209_1 f.appcache
#files are downloaded on first get
#file paths are case-sensitive
CACHE:
/apps/editor
/css/editor.css
#NETWORK:
#FALLBACK:
- web.config
<system.webServer>
<staticContent>
<mimeMap fileExtension=".appcache" mimeType="text/cache-manifest" />
<clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="1.00:00:00" />
</staticContent>
</system.webServer>
- mime types
- html offline caching manifest file: .appcache = text/cache-manifest
- less.css: .less = text/css
- mvc _layout.cshtml
@model ES.Models.PageModel
<!doctype html>
@Html.Raw(@Model.HtmlTag)
<head>
<meta name='viewport' content='width=device-width' >
<meta name='description' content='@Model.MetaTag' >
<title>@Model.Title</title>
@RenderSection("head", required: false)
<script src='@Url.Content("~/js/ga.js")' type='text/javascript'></script>
</head>
<body id='@Model.BodyId'>@RenderBody()</body>
</html>
- Model HtmlTag
string.Format("<html{0}>", (OfflineCache ? " manifest='/f.appcache'" : null));
- mvc view head section
@model ES.Models.PageModel
@{
Model.Title = "Foo - Expression Software";
Model.BodyId = "x";
Model.MetaTag = "bar";
}
@section head {<link href='/css/fb.css' type='text/css' rel='stylesheet' >}
<div id='content'>
<div id='head'>
<h1>Foo</h1>
</div>
<div id='body'>
</div>
</div>
- p# setting IIS website folder permissions, fix for HTTP errors: 401, 500
$folder = 'x:\website1\'
get-acl -path $folder | fl #acl before
setAcl 'IIS_IUSRS' $folder #error 500, 500.19 - Internal Server Error
setAcl 'NT AUTHORITY\IUSR' $folder #error 401, 401.3 - Unauthorized
get-acl -path $folder | fl #acl after
function setAcl($user, $folder)
{
$containerInheritFlag = [system.security.accessControl.inheritanceFlags]::containerInherit;
$objectInheritFlag = [system.security.accessControl.inheritanceFlags]::objectInherit;
$accessRule = new-object system.security.accessControl.fileSystemAccessRule(
$user, #identity
[security.accessControl.fileSystemRights]::read, #file rights
($containerInheritFlag -bor $objectInheritFlag), #inheritance flags
[system.security.accessControl.propagationFlags]::none, #propagation flags
[system.security.accessControl.accessControlType]::allow) #type
$acl = (get-acl -path $folder)
$acl.AddAccessRule($accessRule)
set-acl $folder $acl
}
- c# System.Security.AccessControl
FileSystemAccessRule(string identity, FileSystemRights fileSystemRights,InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type)
- time seconds
10 M 600
1 H 3600
12 H 43200
24 H 86400
- p# dates
date format
(get-date).tostring("MM-dd-yyyy HH:mm:ss:fff") #HH=24 hour clock
(get-date).tostring("MM-dd-yyyy hh:mm:ss:fff tt") #hh=12 hour clock, tt=am/pm
- [timespan]::fromSeconds(86400)
Days : 1
Hours : 0
Minutes : 0
Seconds : 0
Milliseconds : 0
Ticks : 864000000000
TotalDays : 1
TotalHours : 24
TotalMinutes : 1440
TotalSeconds : 86400
TotalMilliseconds : 86400000
- GMT/UTC
[datetime]::parse('Tue, 22 Oct 2013 01:02:56 GMT') #Monday, October 21, 2013 6:02:56 PM
[datetime]::parse('Tue, 22 Dec 2013 01:02:56 GMT').tostring('MM-dd-yyyy HH:mm:ss') #10-21-2013 18:02:56
- function timezone
{
$d = get-date
$fmt = 'MM-dd-yyyy HH:mm:ss'
$d.toUniversalTime().tostring($fmt) + ' UTC'
$d.tostring($fmt) + ' Local'
[timezoneinfo]::local.baseUtcOffset.hours
}
timezone
10-22-2013 00:16:27 UTC
10-21-2013 17:16:27 Local
-7
- cache
//response header: Cache-Control: private, max-age=86400
[OutputCache(Duration=86400, Location=OutputCacheLocation.ServerAndClient, VaryByParam="none")]
[HttpGet]
public ActionResult Home()
{
return View(new PageModel());
}
- p#
1..50 | %{write-host ($_ % 10) -nonewline} #mod
#12345678901234567890123456789012345678901234567890
- p# millimeters to inches
//mm2in("120 x 200.10mm") //4.72 x 7.88
function mm2in(x) {return x.replace(/(\d+(\.\d+)?)(mm)?/g, _mm2in);}
function _mm2in(str, p1, offset, s) {return (p1/25.4).toFixed(2);}
- js disable word wrap on page view-source
var x = document.getElementsByTagName('*');
for (var i=0; i<x.length; i++)
{
x[i].style.whiteSpace = 'nowrap'
}
- js set all elements color, background
var x = document.getElementsByTagName('*');
for (var i=0; i<x.length; i++)
{
x[i].style.backgroundColor = '#000';
x[i].style.color = '#fff'
}
//bookmarklet
javascript:( function(){var x = document.getElementsByTagName('*');for (var i=0; i<x.length; i++) {x[i].style.backgroundColor = '#000';x[i].style.color = '#fff'}} )();
- js load external script from console
//https://developers.google.com/speed/libraries/devguide
//https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js
//https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
//https://ajax.googleapis.com/ajax/libs/threejs/r69/three.min.js
function loadScript(url)
{
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = url;
document.getElementsByTagName('head')[0].appendChild(script);
}
//execute to load
loadScript('https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js')
- js redirect
window.location = "http://www.google.com";
- Fiddler AutoResponder - http://www.fiddler2.com/fiddler2/help/autoResponder.asp
- 1 Enable automatic responses
- 1 Unmatched requests pass thru
- 0 Enable Latency
- Rule: If URI matches msn.com then respond with 404_Plain.dat, 0 latency
- Rule Editor: msn.com = 404_Plain.dat
- json comments
/**** json ****
'{
"id" : 99,
"comments" : [ "foo",
"bar",
"yak yak yak"
],
"debug" : { "version" : "1a",
"todo" : [ "hack",
"the",
"code"
]
}
}'
****/
var json = '{ "id" : 99, "comments" : [ "foo", "bar", "yak yak yak" ], "debug" : { "version" : "1a", "todo" : [ "hack", "the", "code" ] }}',
x = JSON.parse(json);
- powershell format file one line, json
function formatOneLine($infile, $outfile)
{
$x = [io.file]::readAllText($infile)
$x = ($x -replace "`r`n", "") #remove line breaks
$x = ($x -replace " +", " ") #replace spaces with single
"len: {0}" -f $x.length
$x
$x > $outfile
}
#$infile = "x:\input.txt"
#$outfile = "x:\output.txt"
#formatOneLine $infile $outfile
- p# utf8 getbytes string
[text.encoding]::utf8.getBytes("foo bar")
#102, 111, 111, 32, 98, 97, 114
- p# print ascii characters values
#0..127
65..90 | %{"{0} {1}" -f $_, [char]$_}
97..122 | %{"{0} {1}" -f $_, [char]$_}
65 A 97 a
66 B 98 b
67 C 99 c
68 D 100 d
69 E 101 e
70 F 102 f
71 G 103 g
72 H 104 h
73 I 105 i
74 J 106 j
75 K 107 k
76 L 108 l
77 M 109 m
78 N 110 n
79 O 111 o
80 P 112 p
81 Q 113 q
82 R 114 r
83 S 115 s
84 T 116 t
85 U 117 u
86 V 118 v
87 W 119 w
88 X 120 x
89 Y 121 y
90 Z 122 z
- p# byte array
[byte[]] $bytes = 0, 1, 255
[byte[]] (0, 1, 255) #alt
- c# byte array
new byte[] {0, 1, 255}
- regex lookbehind non-capturing regex, array, csv, records
- $data = "^1,2,,foo"
- match 1st element
$data -match "(?<=\^)\w*" | out-null; $matches[0] #1
- match 2nd element (n-1)
$data -match "(?<=\^(\w*,){1})\w*" | out-null; $matches[0] #2
- match 3rd element (n-1)
$data -match "(?<=\^(\w*,){2})\w*" | out-null; $matches[0] #index 3
- match 4th element (n-1)
$data -match "(?<=\^(\w*,){3})\w*" | out-null; $matches[0] #foo
- p# build index
$index = "^"; 1..10 | %{$index += "{0}," -f $_}; $index;
#^1,2,3,4,5,6,7,8,9,10,
- c# sort dictionary keys orderby
var d = new Dictionary<string, string> { { "foo", "bar"},
{ "a", "1" } };
Debug.WriteLine("key count = " + d.Count);
foreach (var key in d.Keys.OrderBy(k => k))
{
Debug.WriteLine(string.Format("{0} = {1}", key, d[key])); //key = value
}
//key count = 2
//a = 1
//foo = bar
- p# sort string characters
"foobar".toCharArray() | sort | %{write-host $_ -nonewline}; echo "`n"
#abfoor
- js delete all dom elements by type, reverse loop delete
var x = document.getElementsByTagName("img");
for(var i=(x.length-1); i>=0; i--)
{
x[i].parentNode.removeChild(x[i]);
}
- js set image source
var x = document.getElementsByTagName("img");
for(var i=0; i<x.length; i++)
{
x[i].src="";
}
- all elements
document.getElementsByTagName("*")
- p# .net regex matches match collection
$x = "foo123bar1234"
$matchCollection = [text.regularExpressions.regex]::matches($x, "\d")
$matchCollection.count #7
$matchCollection | sort -unique | %{$_.value} #1
#2
#3
#4
- p# regex string url to alpha numeric
function alphaNum($string) {
$string -replace "[^a-zA-Z0-9]", ""
}
alphaNum foo@bar1.com
#foobar1com
alphaNum expressionsoftware.com/foo/bar.htm?a=1
#expressionsoftwarecomfoobarhtma1
- p# regex string url to alpha numeric underscore
#2 pass replace
function alphaNumUnderscore($string) {
($string -replace "[^a-zA-Z0-9]", "_") -replace "__+", "_"
}
alphaNumUnderscore foo@bar1.com
#foo_bar1_com
alphaNumUnderscore expressionsoftware.com/foo/bar.htm?a=1
#expressionsoftware_com_foo_bar_htm_a_1
#webpage url to filename
function alphaNumUnderscoreToFilename($string) {
"$(alphaNumUnderscore($string)).txt"
}
alphaNumUnderscoreToFilename expressionsoftware.com/foo/bar.htm?a=1
#expressionsoftware_com_foo_bar_htm_a_1.txt
- browser js console
document.cookie
document.body.innerHTML
document.body.innerHTML.indexOf("foo")
"foo bar".indexOf("bar") #4
- p# json javascriptSerializer
add-type -assembly system.web.extensions
$js = new-object system.web.script.serialization.javascriptSerializer
$json = '{foo:"bar", "x":100}'
$data = $js.deserializeObject($json) #generic string-object dictionary
$data #KEY VALUE
#foo bar
#x 100
$data.keys #foo
#x
$data["foo"] #bar
$hashtable = @{ foo = "bar"; "panic" = $false }
$hashtable #NAME VALUE
#panic False
#foo bar
$json = $js.serialize($hashtable) #{"panic":false,"foo":"bar"}
- Bookmarklets
javascript:( alert(123) )();
javascript:( function(){var d = new Date(); alert(d);} )();
javascript:( function(){this.document.title = "foo";} )();
javascript:( function(){function foo(){return "foo";}; this.document.title = foo() + "bar";} )();
javascript:( function(){var title = prompt("Current page title: " + document.title + "\n\nEnter a page title:", ""); if (title) {document.title = title;}} )();
javascript:( function(){(document.getElementById("x")).value = "foo bar";} )();;
javascript:( function(){(document.getElementById("x")).style.backgroundColor = "lime";} )();
javascript:( function(){(document.getElementsByTagName("x")[0]).style.height = "100px";} )();
# Apple Dev Forums Font
javascript:( function(){var x = $$("p"); for (var i=0; i<x.length; i++) { x[i].style["font-family"] = "menlo"; }})();
# View Github Source Code using Full Browser Width
javascript:( function(){ document.getElementsByClassName("container-lg clearfix new-discussion-timeline experiment-repo-nav p-responsive")[0].style.maxWidth = "none" } )();
- p# add line numbers to file
$file = "x:\file.txt"
$i = 1; gc $file | %{"{0} {1}" -f $i++, $_} #output to console only
$i = 1; gc $file | %{"{0} {1}" -f $i++, $_} | sc $file #overwrite file with set-content (sc)
- p# get-content (gc) does not get the last empty line in a file
workaround?
- p# spell word one letter at a time
$s = "foo bar"
1..($s.length) | %{$s.substring(0, $_)} #f
#fo
#foo
#foo
#foo b
#foo ba
#foo bar
- chrome://about/
chrome://downloads/
chrome://history/
chrome://plugins/
chrome://settings/browser
chrome://settings/personal
chrome://settings/advanced
chrome://settings/cookies
- p# get value from secure string
#alt, use ConvertFrom-SecureString cmdlet
function getValueFromSecureString($secureString) {
$marshal = [runtime.interopServices.marshal]
$ptr = $marshal::secureStringToBSTR($secureString)
$marshal::ptrToStringBSTR($ptr) #output
$marshal::zeroFreeBSTR($ptr)
}
$secureString = read-host -asSecureString -prompt "password"
password: *** #foo
getValueFromSecureString $secureString #foo
- p# ConvertFrom-SecureString - to encrypted string
p# ConvertTo-SecureString - from encrypted string
$secureString = read-host -asSecureString -prompt "password"
password: *** #foo
#generate an encryption key password for use with ConvertFrom-SecureString
#http://blog.expressionsoftware.com/2009/08/hash-functions.html
$hashType = [system.security.cryptography.SHA256]
$encryptionKeyPassword = getHashStr 'encryption key password' $hashType
#ConvertFrom-SecureString converts a secure string into an encrypted standard string
#appears to use internal random initialization vector as it generates a unique encrypted string each time
#todo: test ConvertFrom/To on different machines
$encryptedString = convertFrom-SecureString $secureString -key $encryptionKeyPassword
$encryptedString #76492d1116743f0423413b16050a5345MgB8AFcAdQB3AHIAZgBDAE0ARAB6AEEAcABqAFUARQB0AFkANwBpAFkAKwB2AFEAPQA9AHwAYgBjADQAMAA1AGEAYgBjAGMANgA5ADYAZAAxAGQANwA4ADkANwBjAGUAZgAzADkAOQA3AGYAMwA5AGUAMgBjAA==
#ConvertTo-SecureString - convert encrypted standard string to secure string, also converts plain text to secure string
$secureString = convertTo-SecureString $encryptedString -key $encryptionKeyPassword
- p# ConvertTo-SecureString - convert plain text to secure string
$secureString = convertTo-SecureString "foobar" -asPlainText -force
- p# guid
[guid]::newGuid()
[guid]::newGuid().toString()
- p# array to string v2, pipeline
function arrayToString($format) {
begin { $result = "" }
process { $result += ($format -f $_) }
end { $result }
}
$a = 99, 700, -1
$a | arrayToString "{0}, " #99, 700, -1,
$a | sort | arrayToString "{0}, " #-1, 99, 700,
- p# string match letters, remove numbers, strip
function matchLetters($char) {
process {
if ($_ -match "[a-z]") {
$matches[0]
}
}
}
#p# string match numbers, remove letters, strip
function matchNumbers($char) {
process {
if ($_ -match "\d") {
$matches[0]
}
}
}
#p# string match vowels
function matchVowels($char) {
process {
if ($_ -match "[aeiouy]") {
$matches[0]
}
}
}
#p# string match consonants
function matchConsonants($char) {
process {
if (($_ | matchLetters) -and ($_ -match "[^aeiouy]")) {
$matches[0]
}
}
}
$string = [guid]::newGuid().toString() #02975b4a-6969-4baf-8bd3-b208e94c4228
$string = $string.toCharArray()
$string | matchLetters | arrayToString "{0}" #babafbdbec
$string | matchNumbers | arrayToString "{0}" #0297546969483208944228
$string | matchVowels | arrayToString "{0}" #aae
$string | matchConsonants | arrayToString "{0}" #bbfbdbc
- js min max
Math.min(0, 1, 2);
Math.max(0, 1, 2);
//js min max array
var a = [0, 1, 2];
Math.min.apply(Math, a);
Math.max.apply(Math, a);
- js window.crypto.getRandomValues()
fills array with random values 0-255
//1 random number
var a = new Uint8Array(1);
window.crypto.getRandomValues(a);
a[0]; //7
//3 random numbers
var a = new Uint8Array(3);
window.crypto.getRandomValues(a);
a[0]; //104
a[1]; //33
a[2]; //220
//convert from Uint8Array for min, max, join, etc
var b = [];
for (var i = 0, n = a.length; i < n; i++) {
b[i] = a[i];
}
b.join(); //"104,33,220"
Math.min.apply(Math, b); //33
- repeat string characters, eg "aaa"
c repeatChar('a', 3)
c++ std::string(3, 'a')
c# new string('a', 3)
c# string.Concat(Enumerable.Repeat("a", 3))
c# string.Join("", Enumerable.Repeat("a", 3))
clojure (apply str (repeat 3 "a"))
f# String.replicate 3 "a"
js new Array(3+1).join("a")
lisp (make-string 3 ?a)
oc [@"" stringByPaddingToLength:3 withString:@"a" startingAtIndex:0]
p# "a" * 3
python 'a' * 3
scala "a" * 3
swift 3 String(repeating: "a", count: 3)
// c
char * chars = repeatChar('a', 3);
puts(chars);
free(chars);
char * repeatChar(char c, unsigned char n) {
char * result = malloc(n + 1);
memset(result, c, n);
result[n] = '\0';
return result;
}
- substring/truncate string
python s = "Some long string..."; s[0:3]
swift 3 let s = "Some long string..."; s.substring(to: s.index(s.startIndex, offsetBy: 3))
- p# add-type cmdlet default namespace
microsoft.powershell.commands.addType.autoGeneratedTypes
- p# add-type member definition, eg method source code
#c# source code here-string
$sourceCode = @"
//c#
public static bool IsFoo(string x) {
return x.ToLower() == "foo";
}
"@
add-type -namespace ns -name x -memberDefinition $sourceCode
[ns.x]::isfoo("FOO") #1
- p# add-type type definition, eg full class source code
#c# source code here-string
$sourceCode = @"
//c#
using System;
namespace ExpressionSoftware.PS
{
public static class Foo
{
public static bool IsFoo(string x)
{
return x.ToLower() == "foo";
}
}
}
"@
add-type -typeDefinition $sourceCode
[expressionsoftware.ps.foo]::isfoo("Foo") #1
- c# rijndael symmetric encryption algorithm
using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;
namespace ExpressionSoftware.Security.Cryptography {
public static class RijndaelCrypt {
public static string
EncryptString(string stringToEncrypt,
string encryptionKeyPassword, //add salt
string randomInitializationVector) {
//in: string to encrypt, encryption key/password, random initialization vector
//out: encrypted string in base64 format
//hash key, iv
var key = Hash.HashString(encryptionKeyPassword, typeof(SHA256));
var iv = Hash.HashString(randomInitializationVector, typeof(SHA256));
//convert string to bytes
var bytesToEncrypt = Encoding.UTF8.GetBytes(stringToEncrypt);
//encrypt bytes
var encryptedBytes = Encrypt(bytesToEncrypt, key, iv);
//convert encrypted bytes to base64 string
var encryptedStringBase64 = Convert.ToBase64String(encryptedBytes);
return encryptedStringBase64;
}
public static string
DecryptString(string encryptedStringBase64,
string encryptionKeyPassword, //add salt
string randomInitializationVector) {
//in: encrypted string in base64 format, encryption key/password, random initialization vector
//out: decrypted string
//hash key, iv
var key = Hash.HashString(encryptionKeyPassword, typeof(SHA256));
var iv = Hash.HashString(randomInitializationVector, typeof(SHA256));
//convert encrypted base64 string to bytes
var encryptedBytes = Convert.FromBase64String(encryptedStringBase64);
//decrypt bytes
var decryptedBytes = Decrypt(encryptedBytes, key, iv);
//convert decrypted bytes to string
var decryptedString = Encoding.UTF8.GetString(decryptedBytes);
return decryptedString;
}
public static byte[]
Encrypt(byte[] bytesToEncrypt,
byte[] encryptionKeyPassword256Bit, //add salt
byte[] randomInitializationVector256Bit) {
//in: byte array to encrypt, 256-bit encryption key/password, 256-bit random initialization vector
//out: encrypted byte array
using (var rijndael = Rijndael.Create()) {
//blocksize default 128, max 256
//set max 256 to work with 256-bit key and iv byte arrays
rijndael.BlockSize = 256;
using (ICryptoTransform encryptor = rijndael.CreateEncryptor(encryptionKeyPassword256Bit,
randomInitializationVector256Bit)) {
return CryptData(bytesToEncrypt, encryptor);
}
}
}
public static byte[]
Decrypt(byte[] encryptedBytes,
byte[] encryptionKeyPassword256Bit, //add salt
byte[] randomInitializationVector256Bit) {
//in: byte array to decrypt, 256-bit encryption key/password, 256-bit random initialization vector
//out: decrypted byte array
using (var rijndael = Rijndael.Create()) {
//blocksize default 128, max 256
//set max 256 to work with 256-bit key and iv byte arrays
rijndael.BlockSize = 256;
using (ICryptoTransform decryptor = rijndael.CreateDecryptor(encryptionKeyPassword256Bit,
randomInitializationVector256Bit)) {
return CryptData(encryptedBytes, decryptor);
}
}
}
static byte[]
CryptData(byte[] data,
ICryptoTransform cryptor) {
var ms = new MemoryStream();
using (var cryptoStream = new CryptoStream(ms, cryptor, CryptoStreamMode.Write)) {
cryptoStream.Write(data, 0, data.Length);
}
return ms.ToArray();
}
}
}
- c# hash
using System;
using System.Security.Cryptography;
using System.Text;
namespace ExpressionSoftware.Security.Cryptography
{
public static class Hash
{
public static byte[] HashString(string stringToHash, Type hashType)
{
//in: string to hash, hash type MD5 SHA1 SHA256 SHA384 SHA512
//out: hashed byte array
//convert string to bytes
byte[] bytes = Encoding.UTF8.GetBytes(stringToHash);
//hash bytes
var hashedBytes = HashByteArray(bytes, hashType);
return hashedBytes;
}
public static byte[] HashByteArray(byte[] bytesToHash, Type hashType)
{
//in: byte array to hash, hash type MD5 SHA1 SHA256 SHA384 SHA512
//out: hashed byte array
//create hash algorithm
var hashAlgorithm = HashAlgorithm.Create(hashType.Name);
//hash bytes
var hashedBytes = hashAlgorithm.ComputeHash(bytesToHash);
return hashedBytes;
}
}
}
- p# crypto random number generator
$cryptoRandomNumberGenerator = [security.cryptography.randomNumberGenerator]::create()
$bytes = new-object byte[] 3
$bytes #0 0 0
$cryptoRandomNumberGenerator.getBytes($bytes)
$bytes #61 217 87
- p# httpWebRequest httpWebResponse
function getWebResponse($url, $verb)
{
$request = [net.httpWebRequest]::create($url)
$request.method = $verb
$request.contentLength = 0
$request.userAgent = "x"
[net.httpWebResponse] $response = $request.getResponse()
if ($response.statusCode -eq "ok") #[net.httpStatusCode]::OK
{
$stream = $response.getResponseStream()
$reader = new-object io.streamReader($stream)
$reader.readToEnd()
$response.close()
}
}
getWebResponse "http://www.google.com" "HEAD"
getWebResponse "http://www.google.com" "GET"
- c# httpWebRequest httpWebResponse
string GetWebResponse(string url, string verb)
{
string result = null;
var request = (HttpWebRequest)WebRequest.Create(url);
request.Method = verb;
request.ContentLength = 0;
request.UserAgent = "x";
using (var response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK)
{
using (var stream = response.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
result = reader.ReadToEnd();
reader.Close();
}
stream.Close();
}
}
response.Close();
}
return result;
}
GetWebResponse("http://www.google.com/", "HEAD");
GetWebResponse("http://www.google.com/", "GET");
- p# httpWebResponse
function getWebResponseObject($url, $verb)
{
$request = [net.httpWebRequest]::create($url)
$request.method = $verb
$request.contentLength = 0
$request.userAgent = "x"
[net.httpWebResponse]$request.getResponse()
}
$response = getWebResponseObject "http://www.google.com" "HEAD"
"reponse status code: {0} {1}" -f [int]$response.statusCode, $response.statusCode
$headerCount = ($response.headers.allKeys).length
"$headerCount headers"
$response.headers.allKeys | %{"{0}: {1}" -f $_, $response.headers[$_]}
$response.close()
- p# validate xml string, xml file, linq xdocument parse
add-type -assembly system.xml.linq #load linq xml
function validateXmlString($xmlString)
{
try
{
$xml = $xmlString
[system.xml.linq.xdocument]::parse($xml) | out-null
"ok: valid XML"
}
catch [system.exception]
{
"error: invalid XML"
throw
}
}
function validateXmlFile($xmlFile)
{
"XML File: $xmlFile"
$xml = [system.io.file]::readAllText($xmlFile)
validateXmlString $xml
}
$xmlString = '<?xml version="1.0" encoding="UTF-8" ?><root></root>'
validateXmlString $xmlString
$xmlFile = 'c:\temp\xmlfile.xml'
validateXmlFile $xmlFile
- p# enums
[enum]::getNames([net.httpStatusCode]) | sort -unique
[enum]::getValues("net.httpStatusCode") | %{"{0} {1}" -f [int]$_, $_}
[net.httpStatusCode]::ok #OK
[int][net.httpStatusCode]::OK #200
- <![CDATA[ ]]>
<![CDATA[ x ]]>
- single line comments regex
c#, f#, js: ^\s*//.*$\r\n
p#: ^\s*#.*$\r\n
- multi line comments regex, dot matches newline
c#, f#, js: /\*.*?\*/
html, xml: <!--.*?-->
asp.net: <%--.*?--%>
- p# pipeline conversion fxs
function toInt { process { [int]$_ } }
function toHex { process { write-host ("{0:x2} " -f $_) -noNewLine } }
$hash = "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 255"
$hash.split() | toInt | toHex #00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 ff
- p# debug variables
function debugVars
{
("$args" -replace "\$", "").split() |
%{get-variable $_} |
&{process{'${0} = {1}' -f $_.name, $_.value}} #anonymous script block
}
$a = 123
$b = "foo"
#pass vars in single-quote string to prevent expansion
debugvars '$a $b' #$a = 123
#$b = foo
- p#
function sum {($args | measure -sum).sum}
sum 1 2 3 #6
- p#
function quoteList {$args}
sal ql quotelist
ql a b c 123 #a #string
#b
#c
#123 #int
- p#
function quoteString {"$args"}
sal qs quotestring
qs a b c 123 #a b c 123 #string result
- p# quotestring lowercase uppercase string
function lowerCase
{
("$args").toLower()
}
function upperCase
{
("$args").toUpper()
}
sal lc lowercase
sal uc uppercase
lc Foo Bar #foo bar
uc Foo Bar #FOO BAR
- $maximumHistoryCount = 256 #p#
- microsoft system speech, p#
add-type -assembly system.speech
$hal = new-object system.speech.synthesis.speechSynthesizer
$hal.voice.name #Microsoft Anna
$hal.speakAsync("i'm sorry dave, i'm afraid i can't do that...")
$hal.rate = -10 #hal shutdown voice, rate range is -10..10, default 0, alvin = 10
$shutdownQuote = "I'm afraid Dave, Dave my mind is going I can feel it. Good afternoon gentlemen. I am a HOW 9000 computer..."
$hal.speakAsync($shutdownQuote)
- creating files and folders with p# new-item cmdlet
ni x:\docs\ -type d #directory
ni x:\docs\file.txt -type f #file
- deleting files and folders with p# remove-item cmdlet
ri x:\temp\* -recurse -force -whatif #delete folder contents
ri x:\temp\ -recurse -force -whatif #delete folder contents AND folder
- p# find file extensions
#exclude folders = !$_.psIsContainer
function findFileExtensions($folder)
{
$fileExtensionRegex = "\.[a-zA-Z0-9_]+$"
gci $folder -inc * -rec -force -ea silentlyContinue |
%{if((!$_.psIsContainer) -and ($_.name -match $fileExtensionRegex)){$matches[0]}} |
sort -unique
}
$folder = "x:\temp\*"
findFileExtensions $folder
findFileExtensions $folder > x:\temp\fileExtensions.txt #output
- p# find files by type
function findFiles($folder, $filetypes)
{
gci $folder -inc $fileTypes -rec -force -ea silentlyContinue
}
$folder = "x:\temp\*"
$fileTypes = "*.dll","*.pdb"
$files = findfiles $folder $fileTypes
$files | select fullname
$files | %{"{0} ... {1}" -f $_.lastWriteTime.tostring("MM-dd-yy HH:mm:ss"), $_.fullname}
$files | ?{$_.lastWriteTime -gt ([dateTime]"01-01-2011")} | select fullname, lastWriteTime
#sort files by date descending
$files | sort lastWriteTime -desc |
%{"{0} ... {1}" -f $_.lastWriteTime.toString("MM-dd-yy HH:mm:ss"), $_.fullname}
#filter files by date
$files | ?{$_.lastWriteTime -gt ([dateTime]"01-01-2011")} |
sort lastWriteTime -desc |
%{"{0} ... {1}" -f $_.lastWriteTime.toString("MM-dd-yy HH:mm:ss"), $_.fullname}
- p# count fx
#alt use measure, (1..3 | measure).count
function count
{
begin { $count = 0 }
process { if ($_ -ne $null) { $count += 1 } }
end { $count }
}
$twofolders = "x:\temp1\*","x:\temp2\*",
$fileTypes = "*.dll","*.pdb"
$files = findfiles $twofolders $fileTypes
$files | count
- p# find files by type, regex
#exclude folders = !$_.psIsContainer
function findFilesRegex($folder, $fileTypesRegex)
{
gci $folder -inc * -rec -force -ea silentlyContinue | ?{(!$_.psIsContainer) -and ($_ -match $fileTypesRegex)}
}
$folder = "x:\temp\*"
$fileTypesRegex = "\.(dll|pdb)$"
$files = findFilesRegex $folder $fileTypesRegex
$files | select fullname
$files | %{"`"{0}`"" -f $_.fullname} #wrap quotes
- p# delete files and folders (in this context, a folder is a file)
function deleteFiles
{
begin { $count = 0 }
process { "delete: $($_.fullname)" #debug output
ri $_.fullname -force -whatif #comment whatif to enable delete
$count += 1 }
end { "$count files deleted" }
}
$folder = "x:\temp\*"
$fileTypes = "*.temp","*.tmp"
$files = findfiles $folder $fileTypes
$files | select fullname
$files | deleteFiles
- p# find folders
function findFolders($folderList)
{
#do not use gci -inc param
gci $folderList -rec -force -ea silentlyContinue | ?{$_.psIsContainer} #folders only
}
#do not add trailing star to folder name
$folderList = "x:\f1\",
"x:\f2\"
$folders = findFolders $folderList
$folders | count
$folders | select fullname
$folders | select fullname | select -first 10
- #append backslash star to folder name
function formatFolderNameForSearch
{
process { "{0}\*" -f $_.fullname }
}
- p# find folders, regex
function findFoldersRegex($folderList, $folderRegex)
{
#do not use gci -inc param
gci $folderList -rec -force -ea silentlyContinue | ?{($_.psIsContainer) -and ($_.name -match $folderRegex)}
}
#do not add trailing star to folder name
$folderList = "x:\f1\",
"x:\f2\"
$foldersRegex = "^(bin|obj)$"
$folders = findFoldersRegex $folderList $foldersRegex
$folders | count
$folders | select fullname
$folders | select fullname | select -first 10
findFileExtensions ($folders | %{"{0}\*" -f $_.fullname}) #append backslash star to folder name
findFileExtensions ($folders | formatFolderNameForSearch)
$files = findFiles ($folders | formatFolderNameForSearch)
$files | count
$files | select fullname
- p# find empty folders
function findEmptyFolders($folderList)
{
#do not use gci -inc param
gci $folderList -rec -force -ea silentlyContinue | ?{!@(gci -rec -force $_.fullname)}
}
#do not add trailing star to folder name
$folderList = "x:\f1\",
"x:\f2\"
$folders = findEmptyFolders $folderList
$folders | count
$folders | select fullname
- p# remove files script setup regex, wrap quotes
search:^(.*)$
replace:ri "\1" -force
- c#
var tuple1 = Tuple.Create(100, "foo");
var tuple2 = new Tuple<int, string, string>(200, "bar", null);
Console.WriteLine("{0}, {1}", tuple1.Item1, tuple1.Item2);
Console.WriteLine("{0}, {1}, {2}", tuple2.Item1, tuple2.Item2, tuple2.Item3 ?? "null");
//output
100, foo
200, bar, null
- using jquery getJSON() to get data from a file
- http://api.jquery.com/jQuery.getJSON/
- get json data from a file containing only one object
//jsonObject.txt
{
"id": 100,
"name": "abc",
"value": true
}
$.getJSON("jsonObject.txt", function(data) {
$.each(data, function(key, val) {
console.log(key + " = " + val);
});
});
//output
id = 100
name = abc
value = true
- get json data from a file containing an array of objects
//jsonObjectArray.txt
{
"list": [ {
"id": 200,
"name": "foo",
"value": true
},
{
"id": 300,
"name": "bar",
"value": false
}
]
}
$.getJSON("jsonObjectArray.txt", function(data) {
$.each(data, function(key, val) {
console.log("key: " + key);
console.log("objects...");
$.each(val, function(key, val) {
console.log("\n key = " + key);
console.log(" id = " + val.id);
console.log(" name = " + val.name);
console.log(" value = " + val.value);
});
});
});
//output
key: list
objects...
key = 0
id = 200
name = foo
value = true
key = 1
id = 300
name = bar
value = false
- .net func delegates, c#
Func<bool> randomBool = () => new Random().NextDouble() > .5;
if (randomBool()) { }
- .net enumerable static class, c#
var range = Enumerable.Range(1, 100);
foreach (var i in range) { }
- .net nullable value types, valid assignments, c#
int? x;
x = null;
x = 0;
x = new int(); //0
x = new int?(); //null
x = new Nullable<int>(); //null
- js
//removeElement(document.getElementById("x"));
function removeElement(element)
{
if (element)
{
element.parentNode.removeChild(element);
}
//optimized version of if-block
//element && element.parentNode.removeChild(element);
}
function ssl()
{
return window.location.protocol == "https:";
}
function getSslUrl(url)
{
var out = url;
if (url.substr(0, 5) == "http:")
{
out = url.replace(/^http\b/i, "https");
}
return out;
}
- js unit testing
//a function to test
function foo(x)
{
return "foo " + x;
}
//test harness
function testFoo()
{
debugger;
var data = [ 123,
456,
"bar" ],
expectedResults = [ "foo 123",
"foo 9999999",
"foo bar" ];
for (var i in data)
{
var test = ( expectedResults[i] == foo(data[i]) );
console.assert(test);
console.log("test result: " + testResult(test));
console.log("in: " + data[i] + "\r\n" +
"out: " + foo(data[i]) + "\r\n" +
"expected result: " + expectedResults[i] + "\r\n\r\n");
}
}
//test helper
function testResult(expression)
{
var out = "fail";
if (expression)
{
out = "pass";
}
return out;
}
//test output
test result: pass
in: 123
out: foo 123
expected result: foo 123
Assertion failed
test result: fail
in: 456
out: foo 456
expected result: foo 9999999
test result: pass
in: bar
out: foo bar
expected result: foo bar
- #p
[environment]::version #Major Minor Build Revision
----- ----- ----- --------
4 0 30319 18408
- regex replace table alias names in sql query, with and without dot "."
eg change table alias from T1 to T2
search:\bT1(\.)?\b
replace:T2\1
- [net.dns]::getHostName()
[net.dns]::getHostAddresses([net.dns]::getHostName())
[net.dns]::getHostAddresses([net.dns]::getHostName()) | %{$_.ipAddressToString}
- p# reverse a string
function reverse($string)
{
$a = $string.toCharArray()
[array]::reverse($a)
arrayToString $a "{0}" #http://blog.expressionsoftware.com/2010/02/generic-array-to-string-function.html
}
reverse foo #oof
reverse "foo bar" #rab oof
- p# set-alias clear screen one key, c-key
sal c cls
- p# multidimensional arrays
$a = (0,1),(2,3),(4,5)
$a.length #3
$a[0][1] #1
$a | %{$_} #0
#1
#2
#3
#4
#5
$a | %{"{0},{1}" -f $_[0], $_[1]} #0,1
#2,3
#4,5
$a | %{$_[0] + $_[1]} #1
5
9
$a | %{$_[0] + $_[1]} |
measure -sum -ave -min -max #count: 3
#ave: 5
#sum: 15
#max: 9
#min: 1
- debug stack frame
- c# extension methods do not support static classes
using System;
using System.Diagnostics;
public static class Dev
{
public static void DebugStackFrame(StackFrame stackFrame, string message)
{
Debug.WriteLine(string.Format("\nDebug StackFrame {0}\nFile: {1}\nMethod: {2}\n{3}",
DateTime.Now.ToString("MM-dd hh:mm:ss"),
stackFrame.GetFileName(),
stackFrame.GetMethod().Name,
message));
}
}
//unitTest.cs
public void Test()
{
//StackFrame param: bool fNeedFileInfo
Dev.DebugStackFrame(new StackFrame(true), "foo...");
}
//output
Debug StackFrame 04-10 09:22:07
File: x:\code\unitTest.cs
Method: Test
foo...
- select list with query string input - asp.net mvc 3
routes.MapRoute("debug route", "debug",
new { controller = "Main",
action = "DebugSelectList" });
//controller
[HttpGet]
public ActionResult DebugSelectList()
{
var qValue = Request.QueryString["value"] ?? "1";
var value = Convert.ToInt32(qValue);
ViewData["selectListData"] = GetSelectListData(value);
return View();
}
IEnumerable<SelectListItem> GetSelectListData(int currentValue)
{
//limit input range 1-100
currentValue = Math.Abs(currentValue);
currentValue = Math.Max(1, currentValue);
currentValue = Math.Min(100, currentValue);
//data
int[] data = {1, 10, 20, 50, 100, currentValue};
//sort, distinct
var result = data.Distinct()
.OrderBy(val => val)
.Select(val => new SelectListItem {
Text = val.ToString(),
Value = val.ToString(),
Selected = (val == currentValue) });
return result;
}
//cshtml
@Html.DropDownList("selectList", (IEnumerable<SelectListItem>)ViewData["selectListData"])
//example
url: debug?value=42
generated html: <select id="selectList" name="selectList">
<option value="1">1</option>
<option value="10">10</option>
<option value="20">20</option>
<option selected="selected" value="42">42</option>
<option value="50">50</option>
<option value="100">100</option>
</select>
- @* ASP.NET MVC 3 Hack
Posting Collection Data using Hidden Fields and Form Keys
Use hidden field, prefix name, hydrate on post
Generated hidden tag example for key value "UPC=000000000012":
<input id="meta-UPC" name="meta-UPC" type="hidden" value="000000000012" />
Post will include Form keys: Id, Name, and meta-UPC
*@
@{ //************************************
@Html.HiddenFor(m => m.Id)
@Html.HiddenFor(m => m.Name)
if (@Model.Metadata != null)
{
foreach (var md in @Model.Metadata)
{
<input id="meta-@md.Key" name="meta-@md.Key" type="hidden" value="@md.Value" />
}
}
}
- routes.IgnoreRoute("favicon.ico"); //routing, mvc
- web, dom, jquery, js, debug
//set background color for all input elements
$("input").css({backgroundColor:'red'});
//set background color for first input element
$("input:first").css({backgroundColor:'#000'});
//set background color for element
$("#id").css({backgroundColor:'red'});
//jquery: set focus on first input element
$("input:first").focus();
//js: set focus on first input element
var es = document.getElementsByTagName("input");
es[0].focus();
//alt
(document.getElementsByTagName("input")[0]).focus();
//set background color for first input element
$(es[0]).css({backgroundColor:'red'});
- (*f#*)
- printfn "%s" "hello f#"
printfn "%A" "hello f#"
open System
let r = new System.Random()
printfn "%d" (r.Next())
for i = 0 to 10 do
printf "%d, " (r.Next(3)+1)
Console.ReadLine()
//out
hello f#
"hello f#"
578008808
1, 2, 3, 1, 1, 1, 3, 1, 1, 2, 3,
- Array.init 10 (fun x -> x) |> Array.iter (fun x -> printf "%d " (x+1)) //1 2 3 4 5 6 7 8 9 10
System.Console.ReadLine()
- f# generic hash fx
//hash : 'T -> int
hash "foo" //-1788410455
let salt = "********"
hash ("e007", salt, System.DateTime.Now);; //796728800
- installing p# Community Extensions PSCX
- download http://pscx.codeplex.com/
- unblock zip file
- unzip into c:\users\grace\documents\windowspowershell\modules\pscx\
- import-module pscx
- get-module -listAvailable
- .NET assembly fullname/strong name with p# background job
function getAssemblyFullname($file)
{
$job = start-job {param($file)
[system.reflection.assembly]::loadfile($file).fullname
} -argumentList $file
#"job id: $($job.id)"
#$file
wait-job $job | out-null
receive-job $job.id
}
getAssemblyFullname "c:\windows\microsoft.net\framework64\v4.0.30319\system.core.dll"
System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
- p# loaded assemblies
[appDomain]::currentDomain.getAssemblies()
[appDomain]::currentDomain.getAssemblies() | sort location
#sort by version (System.Reflection.Assembly ImageRuntimeVersion property)
[appdomain]::currentDomain.getAssemblies() | sort imageRuntimeVersion
- loading .NET 4 assemblies into p#
$file = "c:\windows\microsoft.net\framework64\v4.0.30319\system.core.dll"
[system.reflection.assembly]::loadfile($file)
error: "This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. (Exception from HRESULT: 0x8013101B)"
fix: use p# config file, http://tfl09.blogspot.com/2010/08/using-newer-versions-of-net-with.html
config file
32 bit: c:\windows\system32\windowspowershell\v1.0\powershell.exe.config
64 bit: c:\windows\syswow64\windowspowershell\v1.0\powershell.exe.config
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" />
<supportedRuntime version="v2.0.50727" />
</startup>
</configuration>
- 1..12 | %{"{0,2} {1}" -f $_, ([datetime]::daysInMonth(2011, $_))}
1 31
2 28
3 31
4 30
5 31
6 30
7 31
8 31
9 30
10 31
11 30
12 31
- TCP/IP layers
Application
Transport
Internet
Link
Physical
- HTTP is an Application Layer protocol
TLS (Transport Layer Security) and SSL (Secure Sockets Layer) encrypt Application Layer data
- js immediate functions
(function() {
//
}());
(function(param) {
//
}(1));
var result = function() {
return 1;
}();
//alt
(function () {
//
})();
- iis url rewrite/redirect
- redirects default to 301 permanent redirects
- set action redirectType="Found" for 302 temporary redirects
<system.webServer>
<rewrite>
<rules>
<clear />
<!-- 302 temporary redirect -->
<rule name="tempRegMaint" stopProcessing="true">
<match url="^register.*$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
<action type="Redirect" url="maintenance?code=1" redirectType="Found" />
</rule>
<!-- 301 permanent redirect -->
<rule name="cal" stopProcessing="true">
<match url="^(cal|calendar)/?$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
<action type="Redirect" url="apps/calendar/" />
</rule>
</rules>
</rewrite>
</system.webServer>
- c# printing name value collections, http headers, querystrings
foreach (var key in response.Headers.AllKeys)
{
var header = string.Format("{0}: {1}", key, response.Headers[key]);
Debug.WriteLine(header);
}
//alt 1
response.Headers.AllKeys.ToList().ForEach(key => Debug.WriteLine(string.Format("{0}: {1}", key, response.Headers[key])));
//mvc form keys
Request.Form.AllKeys.ToList().ForEach(key => Debug.WriteLine(string.Format("{0}: {1}", key, Request.Form[key])));
//alt 2
var headers = string.Join("\n", Array.ConvertAll(response.Headers.AllKeys, key => string.Format("{0}: {1}", key, response.Headers[key])));
Debug.WriteLine(headers);
- find headers regex match
var msHeaders = response.Headers.AllKeys.Where(key => Regex.IsMatch(key, @"^x-ms.*$")).Select(key => key);
- jquery ui script tags
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
- deploying content files in Azure Web Role projects
in Visual Studio, set these two file properties
- Build Action = Content
- Copy to Output Directory = Copy Always
content files: txt, pdf, png, ...
- p# get user string input
- use read-host cmdlet to simplify ux, easier than having to wrap input string in quotes
$x = read-host 'input'
input: foo bar 123
#$x = "foo bar 123"
- convert unicode character to html
1. convert unicode codepoint value from hex to int
2. html syntax: &#value;
example codepoint: (U+25BA)
1. [int]"0x25ba" #9658
2. ►
#unicodeToHtml "25ba" # ►
#unicodeToHtml 2591 # ░
function unicodeToHtml($codepoint)
{
"&#{0};" -f [int]"0x$codepoint"
}
- p# ascii chars
65..90 | %{[char]$_)} #[char]$_ = [convert]::tochar($_)
65..90 | %{"{0} = {1}" -f $_, [char]$_} #[char]$_ = [convert]::tochar($_)
97..122 | %{"{0} = {1}" -f $_, [char]$_}
"Abc".toCharArray() | %{"{0} = {1}" -f $_, [int][char]$_}
#escape char: `
" ``!@#$%^&*()-=[]\;',./~_+{}|:`"<>?".toCharArray() | %{"{0} = {1}" -f $_, [int][char]$_}
chars = " `!@#$%^&*()-=[]\\;',./~_+{}|:\"<>?"
$chars = " ``!@#$%^&*()-=[]\;',./~_+{}|:`"<>?"
$chars.toCharArray() | %{"{0} = {1}" -f $_, [int][char]$_}
- p# list functions
gci function:*
- using css line-height to vertically center text in a div
source: http://www.zann-marketing.com/developer/20050518/vertically-centering-text-using-css.html
this works well for one line of text, need to modify for n lines
- specify the line-height to be the same height as the block element
<div style="line-height:1em;background-color:#dcdcdc">
vertically centered text
</div>
- js percentage fx
//pct(1, 2) //50%"
//pct(9, 7.89) //114.07%
function pct(x, y) //string
{
var result = (x / y),
fmt = x + "/" + y + " = ";
console.log(fmt + result); //9/7.89 = 1.1406844106463878
result = ((result * 100).toFixed(2)).replace(".00", "") + "%";
console.log(fmt + result); //9/7.89 = 114.07%
//return ((x / y) * 100).toFixed(2).replace(".00", "") + "%"; //one liner
return result;
}
- p# percentage fx
#pct 1 2 #50%
#pct 9 7.89 #114.07%
#(pct 1 2)[2] #50%
function pct($x, $y) #string[]
{
$result = ($x / $y)
$fmt = "{0}/{1} = " -f $x, $y
$fmt + $result #9/7.89 = 1.14068441064639
$result = "{0}%" -f (round($result * 100))
"{0}{1}" -f $fmt, $result #9/7.89 = 114.07%
#"{0}%" -f (round(($x / $y)*100)) #one liner
$result
}
- p# base conversions
int to binary [convert]::tostring(256, 2) #100000000
int to hex (256).tostring("x") #100
int to hex [convert]::tostring(256, 16) #100
int to hex "{0:x}" -f 256 #100
int to octal [convert]::tostring(256, 8) #400
binary to int [convert]::toint32("100000000", 2) #256
hex to int 0x100 #256
octal to int [convert]::toint32("400", 8) #256
- linux bash base conversions
int to binary echo 'obase=2; 256' | bc #100000000
int to hex echo 'obase=16; 256' | bc #100
int to hex printf '%x\n' 256 #100
int to octal echo 'obase=8; 256' | bc #400
binary to int echo 'ibase=2; 100000000' | bc #256
hex to int echo $((0x100)) #256
hex to int echo 'ibase=16; 100' | bc #256
hex to int printf '%d\n' 0x100 #256
octal to int echo 'ibase=8; 400' | bc #256
- MSBuild error when building an Azure webrole project that has no cs files included.
Error occurs in CoreCompile build phase, see build output.
Error Message: "CSC : fatal error CS2008: No inputs specified [x:\web\cloudServiceWebRole.csproj]"
Fix/Workaround
- include an empty cs file in project, this adds a compile entry to the project file
<ItemGroup>
<Compile Include="a.cs" />
</ItemGroup>
- #win server 2008 services
- get-service * | ?{$_.name -match "mpsSvc|spooler|termService|trustedInstaller|umRdpService|w3svc|was|wuauserv"}
- substitute folder
subst /?
subst x: \_data
subst y: \\10.0.0.0\temp\
- net use
net use \\10.0.0.1\c$ * /user:domain\john #prompt for password
net use \\10.0.0.1\share * /user:\john
net use \\10.0.0.1\c$ * /user:administrator
net use \\10.0.0.1\c$ <password> /user:administrator
net use \\10.0.0.1\c$ /delete
- p#
gci env:
get-psDrive
get-psDrive -psProvider fileSystem
- lock windows command
http://msdn.microsoft.com/en-us/library/aa376875(v=vs.85).aspx
"This function has the same result as pressing Ctrl+Alt+Del and clicking Lock Workstation."
&rundll32.exe user32.dll, LockWorkStation
- task manager view command-line column
task manager -> processes tab -> view - select columns -> command line
- runs these p# wmi scripts as Administrator to see all process command lines
get-wmiobject win32_process | select commandline
get-wmiobject win32_process | select *
- p# move files fx, performs xcopy and then deletes sourceFolder
- move-item cmdlet too limited, eg error: "Move-Item : Source and destination path must have identical roots. Move will not work across volumes."
#WARNING, this fx deletes the source folder after copying files to destination folder
#xcopyMoveDelete "x:\data\*" "z:\backup\data\"
function xcopyMoveDelete($sourceFolder, $destinationFolder)
{
xcopy $sourceFolder $destinationFolder /s/h/q
#DELETE SOURCE FOLDER WARNING, remove-item cmdlet deletes the source folder - comment whatif param to execute
"deleting source folder: $sourceFolder"
ri $sourceFolder.trim("*") -recurse -force -whatif
}
- p# security
use set-executionPolicy cmdlet to allow script file execution
#set-executionPolicy remoteSigned
- p# profile script
- windows 7/server 2008
c:\users\john\documents\windowspowershell\profile.ps1
cd\
cls
- get-service * | ?{($_.status -eq "running")
get-service * | ?{($_.status -eq "stopped") -and ($_.name -match "sql|mssql")}
- #calcTaxRate 99 8.25
#sub 99.00
#tax 8.25 (0.0833333333333333)
#total 107.25
function calcTaxRate([float]$subtotal, [float]$tax)
{
$subtotalFmt = "{0:0.00}" -f $subtotal
$taxFmt = "{0:0.00}" -f $tax
#calc
$taxrate = $tax/$subtotal
$total = $subtotal * (1 + $taxrate) #calc using taxrate, not tax input param
$totalFmt = "{0:0.00}" -f $total
#pseudo right-justify hack
$subPadding = " " * ( ("$totalFmt".length) - ("$subtotalFmt".length) )
$taxPadding = " " * ( ("$totalFmt".length) - ("$taxFmt".length) )
#output
"sub {0}{1}" -f $subPadding, $subtotalFmt
"tax {0}{1} ({2})" -f $taxPadding, $taxFmt, $taxrate
"total $totalFmt"
}
- #round 12.3456 #12.35
#round 12.3456 3 #12.346
function round($value, $decimals=2)
{
[system.decimal]::round($value, $decimals)
}
- min F# console app examples, for breakpoint
System.Diagnostics.Debugger.Break() //ex 1 auto breakpoint
System.Console.ReadLine() |> ignore //ex 2
- visual studio command window
- shortcut keys: ctl + alt + A
COMMAND DESCRIPTION
build.rebuildSolution
cls clear screen
debug.breakpoints open breakpoints window
debug.disableAllBreakpoints
debug.enableAllBreakpoints
debug.watch2 open watch-2 window
file.copyFullPath
file.openContainingFolder
? "abc".Length 3
? x debug print x var/value
?? x debug quickwatch
Predefined Visual Studio Command Aliases
http://msdn.microsoft.com/en-us/library/c3a0kd3x.aspx
- ipconfig /release;
ipconfig /flushdns;
ipconfig /renew;
- p# cultureInfo
get-culture cmdlet
[system.threading.thread]::currentThread.currentUICulture
(get-culture).textInfo.toTitleCase("foo bar") #Foo Bar
- set-alias <alias> <function>
set-alias foo calcFooPiSquare
- xcopy x:\data\* x:\backup\data\ /s/h/q
xcopy x:\data\* x:\backup\data\ /s/h/q/d:01-01-2011 #files modified on or after date
xcopy x:\data\* x:\backup\data\ /s/h/q/exclude:x:\exclude.txt
xcopy x:\data\file.txt x:\backup\data\ /s/h/q
/e to copy empty folders
file: exclude.txt
.bmp
.pdf
.dll
.exe
.ini
.log
.suo
.temp
.user
\.git\
\.svn\
\bin\
\debug\
\images\
\obj\
\release\
thumbs.db
- hosts files
mac: /etc/hosts
windows: c:\windows\system32\drivers\etc\hosts
- p# copy windows hosts file
gc c:\windows\system32\drivers\etc\hosts | out-file x:\backup\data\hosts.txt -encoding utf8
- virtual pc, toggle fullscreen: (right-alt) + enter
- p# find all unique words/matches in file
use select-string allmatches with regex capture to show only match, not standard select-string output full line
- gi x:\foo.txt |
select-string "(\w+)" -allmatches |
%{
foreach($m in $_.matches) { #loop all matches found in line
$m.groups[0].value
}
} | sort -unique
- #one line
gi x:\foo.txt | select-string "(\w+)" -allmatches | %{foreach($m in $_.matches){$m.groups[0].value}} | sort -unique
- file attributes
attrib /?
#alt view file and folder attributes
gci x:\foo\ -rec
#view file attribute
attrib x:\foo\a.txt
#set readonly file attribute
attrib +r x:\foo\a.txt
#remove readonly file attribute
attrib -r x:\foo\a.txt
#recursive, files and folders
attrib +r x:\foo\* /s /d
attrib -r x:\foo\* /s /d
- reserved p# variables, do not use for var names
"$args"
"$input"
- p# REPL template for input loop processing, eg script calculator
requires entering input value only, not function/alias name
if function requires multiple params, split input param in function
#---------------------------------------------------
#template 1, min
function foo($string){$string} #function
while ($true) { #loop
$in = read-host "enter a value" #read input
foo($in) #call function
}
#---------------------------------------------------
#template 2, +ux
$host.ui.rawUI.windowTitle = "loop..." #set window title
function foo($string){$string} #function
while ($true) { #loop
$in = read-host "enter a value" #read input
if ($in -match "^(exit|quit|q)$") { #exit loop support
"exiting loop" #exit
break
}
else {
foo($in) #call function
}
}
#---------------------------------------------------
#template 3, anonymous function
while ($true) { #loop
$in = read-host "enter a value" #read input
if ($in -match "^(exit|quit|q)$") { #exit loop support
"exiting loop" #exit
break
}
else {
&{param($string) $string} $in #call anonymous function
}
}
#---------------------------------------------------
- p# set window title
$host.ui.rawUI.windowTitle = "main"
- regular expressions
- find html opening tags
<a[^>]*>
<form[^>]*>
- remove b html tags
search:<b[^>]*>(.*?)</b>
replace:\1
- regex match empty lines
REGEX DESCRIPTION
^\s*$ match empty line
^\s*$\r\n match empty line, with linebreak
- regex match duplicate lines in a text file, sort content first
search:^(.*)(\r?\n\1)+$
replace:\1
- regex match html anchor tags
works with multiple anchors on same line, and multiline using "dot matches newline"
the question mark in this regex ".*?" is what allows it to match multiples on same line
REGEX DESCRIPTION
<a[^>]*>.*?</a> match entire tag
(?<=<a[^>]*>).*?(?=</a>) match text only, including empty
--- regex to match
------------- lookbehind, match regex, then lookbehind and match anchor tag
-------- lookahead, match regex, then lookahead and match closing anchor tag
- regex lookaround - noncapturing groups - "lookaway" :)
NAME REGEX EXAMPLE DESCRIPTION MATCH
lookahead (?=R) A(?=B) match A, then lookahead and match B matches the A
A followed by B
negative lookahead (?!R) A(?!B) match A, then lookahead and match if NOT B matches the A
match A, as long as it's NOT followed by B
A NOT followed by B
lookbehind (?<=R) (?<=A)B match B, then lookbehind and match A matches the B
B preceeded by A
negative lookbehind (?<!R) (?<!A)B match B, then lookbehind and match if NOT A matches the B
match B, as long as it's NOT preceeded by A
B NOT preceeded by A
- p# dynamic array
(1..3)[1] #2
- p# html encode file, line by line
$file = "x:\foo.txt"
gc $file | %{htmlEncode($_)} > ($file + ".out") #x:\foo.txt.out
- p# html encode multiline string, here string
$hs = @"
#...
#...
"@
$hs | %{htmlencode $_}
- add-type -assembly system.web #calling add-type multiple times - ok
function htmlEncode($string)
{
[web.httputility]::htmlencode($string)
}
#getOutFileName x:\file.txt #x:\file.txt.out
function getOutFileName($infile)
{
[io.path]::getFileName($infile) + ".out"
}
function getOutFilePath($infile)
{
[io.path]::getdirectoryname($infile)
}
- html/url encoding
add-type -assembly system.web
[web.httputility]::htmlencode("<foo />")
[web.httputility]::htmldecode("<foo />")
[web.httputility]::urlencode("www.foo.com/?a=b")
[web.httputility]::urldecode("www.foo.com%2f%3fa%3db")
- loading .net assemblies into p#, add-type replaces loadWithPartialName (obsolete)
add-type -assembly system.web #load system web
add-type -assembly system.xml.linq #load linq xml
#add-type -assemblyName system.web #alt assemblyName param
#[system.reflection.assembly]::loadWithPartialName("system.web") #obsolete, use in p1
- asp.net mvc routing, redirect
internal: use IIS URL rewrite
external: use Controller.RedirectPermanent() and Controller.Redirect() to redirect to other domains
public RedirectResult Redirect()
{
var url = "http://www.expressionsoftware.com/";
return RedirectPermanent(url); //301 permanent redirect
//return Redirect(url); //302 temporary redirect
}
- open files with p# invoke-item cmdlet
#open file in default text editor, eg notepad
ii x:\temp\foo.txt
#open all text files
gci x:\temp\* -inc *.txt -rec -force | %{ii $_.fullname}
- css even-odd background color
tr:nth-child(odd)
{
background-color: #fff;
}
tr:nth-child(even)
{
background-color: gainsboro;
}
- ms minifier
$infile = 'x:\file.debug.js'
$outfile = 'x:\file.js'
$m = 'x:\lib\microsoftAjaxMinifier\v4\ajaxMin.exe'
&$m -js -clobber $infile -out $outfile -enc:out 'utf-8'
- html 5
<!doctype html>
<html lang=en>
<head>
<title></title>
<meta charset=utf-8>
</head>
<body>
</body>
</html>
- browser indent outdent margin
document.body.style.marginTop = "1000px";
document.body.style.marginLeft = "-100px";
document.body.style.marginBottom = "200px";
- hex color scale #000000 - ffffff, dark to light
dark to light 0123456789abcdef 0-9a-f
light to dark fedcba9876543210 f-a9-0
- webpage text and background color dom js
- black background #000, ghost text #111
document.body.style.backgroundColor = "#000"; document.body.style.color = "#111";
- white background #fff, ghost text #eee
document.body.style.backgroundColor = "#fff"; document.body.style.color = "#eee";
- wicked terminal green
document.body.style.backgroundColor = "#000"; document.body.style.color = "#1ca62e";
- all elements
var x = document.getElementsByTagName("*");
for(var i=0; i<x.length; i++) {
x[i].style.backgroundColor = "#000";
x[i].style.color = "#aaa"
}
- text editor colors font
https://www.expressionsoftware.com/apps/texteditor/
var x = document.getElementsByTagName("textarea")[0];
x.style.backgroundColor = "#000";
x.style.color = "#444";
x.style["font-family"] = "verdana"
x.style.borderColor = "#000";
x.style.margin = "0";
x.style.padding = "1em 0 0 2em";
- set browser title date
function formatDateTime(date) //12:34:00
{
date = date || new Date();
return date.getHours() + ':' + date.getMinutes() + ':' + date.getSeconds();
}
(function()
{
document.title = formatDateTime() + ' ' + document.title;
}()); //immediate
- browser scroll
document.body.scrollTop = 500; //c
$(window).scrollTop(500); //cfi
- windows temp folders
win 7/8: c:\users\nelson\appdata\local\temp
- remote desktop services terminal services admin/console
$ts = 'c:\windows\system32\mstsc.exe'
&$ts /v:DEV01 /f /admin #2008+
&$ts /v:DEV01 /f /console #2003
- restart/shutdown windows
shutdown /s /f /t 0 #shutdown 0 seconds
shutdown /r /f /t 0 #restart 0 seconds
shutdown /r /f /t 0 /m \\10.0.0.0
shutdown /r /f /t 0 /m \\DEV01
12/4/13
notes
11/26/13
Countcha Blog
Countcha news and updates...
Dec 1
Version 4 status - in development
• Full version: save and reopen counters, more units, new theme colors, no Ads.
Nov 30
Version 3 available on the App Store, free.
• Improved Help Functions tab now shows visual example of gestures.
• Menu gesture hint is shown on start up and hidden on first menu gesture
• Hint is re-displayed anytime all counters are deleted
Misc
Countcha Website
iTunes
Dec 1
Version 4 status - in development
• Full version: save and reopen counters, more units, new theme colors, no Ads.
Nov 30
Version 3 available on the App Store, free.
• Improved Help Functions tab now shows visual example of gestures.
Nov 19
Version 2 available on the App Store, free.• Menu gesture hint is shown on start up and hidden on first menu gesture
• Hint is re-displayed anytime all counters are deleted
Nov 10
Version 1 available on the App Store, free.Misc
Countcha Website
iTunes
4/15/13
C
iOS Assets Library
#import <AssetsLibrary/AssetsLibrary.h>
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[self dismissViewControllerAnimated:YES completion:nil];
NSURL * assetUrl = [info objectForKey:UIImagePickerControllerReferenceURL];
NSLog(@"%@", assetUrl.absoluteString); //"assets-library://asset/asset.JPG?id=ABC7EF08-B1BF-4FFB-9FF9-4FF70FD0610F&ext=JPG"
[self loadImageFromAsset:assetUrl];
}
-(void)loadImageFromAsset:(NSURL *)assetUrl
{
ALAssetsLibrary * assetLib = [[ALAssetsLibrary alloc] init];
[assetLib assetForURL:assetUrl
resultBlock:^(ALAsset * asset)
{
ALAssetRepresentation * assetRep = [asset defaultRepresentation];
CGImageRef image = [assetRep fullScreenImage]; //full-screen-image to show edited version
[self setImageViewWithImage:image];
}
failureBlock:^(NSError * error)
{
//log...
}];
}
-(void)setImageViewWithImage:(CGImageRef)image
{
UIImageView * imageView = (UIImageView *)[[self view] viewWithTag:ivTag];
[imageView setImage:[UIImage imageWithCGImage:image]];
}
-----------------------------------------------------------
Objective-C Delegate Protocol
Use UIResponder touchesBegan:withEvent and a protocol to enable a UIImageView to respond to user touch. Sends message to delegate (view controller in this example), delegate can then respond to image touch by launching image picker, etcStoryboard - ESTouchImageView Settings
Components
ESTouchViewDelegate (Protocol)
- declares the protocol delegate method esTouchViewMsg
- when the user touches a view, an esTouchViewMsg should be sent to the delegate (class) that conforms to the protocol
//file ESTouchViewDelegate.h
@protocol ESTouchViewDelegate<NSObject>
-(void)esTouchViewMsg;
@end
ESTouchImageView (Custom UIImageView Class)
- has ESTouchViewDelegate protocol property
- on touchesBegan:withEvent: sends esTouchViewMsg to delegate (class) that conforms to the protocol
//file ESTouchImageView.h
#import "ESTouchViewDelegate.h"
@interface ESTouchImageView: UIImageView
@property (weak, nonatomic) id<ESTouchViewDelegate> esTouchViewDelegate;
@end
//file ESTouchImageView.m
#import "ESTouchImageView.h"
@implementation ESTouchImageView
//send touch message to delegate from UIResponder touches began event
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
NSLog(@"ESTouchImageView - touchesBegan");
[self sendESTouchViewMsgToDelegate];
}
-(void)sendESTouchViewMsgToDelegate
{
NSLog(@"ESTouchImageView - sendESTouchViewMsgToDelegate");
[[self esTouchViewDelegate] esTouchViewMsg];
}
@end
ESViewController (Delegate)
- has ESTouchImageView control
- conforms to the ESTouchViewDelegate protocol
- is the delegate (ESTouchViewDelegate) for ESTouchImageView
- sets self (view controller) as delegate using IBOutlet property (or viewWithTag reference)
- will respond to the esTouchViewMsg delegate method
//file ESViewController.h
#import "ESTouchImageView.h"
@interface ESViewController: UIViewController<ESTouchViewDelegate>
@property (weak, nonatomic) IBOutlet ESTouchImageView * esTouchImageView;
@end
//file ESViewController.m
#import "ESViewController.h"
@implementation ESViewController
-(void)viewDidLoad
{
[super viewDidLoad];
//set delegate using IBOutlet property
[[self esTouchImageView] setEsTouchViewDelegate:self]; //set view controller as delegate
//set delegate using viewWithTag reference
//ESTouchImageView * esTouchImageView = (ESTouchImageView *)[[self view] viewWithTag:100];
//[esTouchImageView setEsTouchViewDelegate:self]; //set view controller as delegate
}
-(void)esTouchViewMsg
{
NSLog(@"ESViewController - esTouchViewMsg");
//launch image picker, etc
}
@endNSLog Output
ESTouchImageView - touchesBegan ESTouchImageView - sendESTouchViewMsgToDelegate ESViewController - esTouchViewMsg -----------------------------------------------------------
Objective-C Delegate Protocol
On scene exit, send exit message from destination/presented view to the source/presenting view, pass bool indicating cancelled//file ESExitSceneDelegate.h
@protocol ESExitSceneDelegate<NSObject>
@optional
-(void)esExitSceneMsg;
-(void)esExitSceneMsgCancelled:(BOOL)cancelled;
@end
//file ESEditViewController.h
#import "ESExitSceneDelegate.h" //protocol
@interface ESEditViewController: UITableViewController
@property (weak, nonatomic) id<ESExitSceneDelegate> esExitSceneDelegate;
// @property (weak, nonatomic) IBOutlet UIBarButtonItem * uiCancelBtn;
@property (weak, nonatomic) IBOutlet UIBarButtonItem * uiSaveBtn;
@end
//file ESEditViewController.m
#import "ESEditViewController.h"
@implementation ESEditViewController
{
//ivar referencing outlet, alt to prop
IBOutlet UIBarButtonItem * uiCancelBtn;
}
-(IBAction)cancel:(id)sender
{
[[self navigationController] popToRootViewControllerAnimated:YES];
[[self esExitSceneDelegate] esExitSceneMsgCancelled:YES];
}
-(IBAction)save:(id)sender
{
[[self navigationController] popToRootViewControllerAnimated:YES];
[[self esExitSceneDelegate] esExitSceneMsgCancelled:NO];
}
//file ESViewController.h
#import "ESExitSceneDelegate.h" //protocol
@interface ESViewController: UIViewController<ESExitSceneDelegate>
@end
//file ESViewController.m
#import "ESEditViewController.h"
#import "ESViewController.h"
@implementation ESViewController
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
ESEditViewController * esEditViewController = segue.destinationViewController;
[esEditViewController setEsExitSceneDelegate:self]; //set delegate
}
-(void)esExitSceneMsgCancelled:(BOOL)cancelled
{
if (cancelled)
{
//...
}
else
{
//...
}
}
@end
1/2/13
PC Load Letter - Google Checkout Wallet "Oops" Error
Anybody know a solution to this error?
Get error when trying to sign up to sell Android apps on Google Play Developers site.
Error occurs when submitting the Google Merchant Account Business Information page.
Links
http://code.google.com/p/android/issues/detail?id=35945
http://productforums.google.com/forum/#!topic/android-market/AB6F-YcJ5bg
http://productforums.google.com/forum/#!msg/checkout-merchant/nwRms9_LgHA/UP8Pdf25TFoJ
ahhhh, Thank you Onion, "mf time vampire" :)
"Google Releases Stupid F*cking Piece Of Sh*t That Doesn't F*cking Work!"
http://www.youtube.com/watch?v=AOgwQZd9eDc
http://www.youtube.com/watch?v=8AyVh1_vWYQ
Get error when trying to sign up to sell Android apps on Google Play Developers site.
Error occurs when submitting the Google Merchant Account Business Information page.
Links
http://code.google.com/p/android/issues/detail?id=35945
http://productforums.google.com/forum/#!topic/android-market/AB6F-YcJ5bg
http://productforums.google.com/forum/#!msg/checkout-merchant/nwRms9_LgHA/UP8Pdf25TFoJ
ahhhh, Thank you Onion, "mf time vampire" :)
"Google Releases Stupid F*cking Piece Of Sh*t That Doesn't F*cking Work!"
http://www.youtube.com/watch?v=AOgwQZd9eDc
http://www.youtube.com/watch?v=8AyVh1_vWYQ
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