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How to validate an email address in PHP
...in a Utility class:
public static function validateEmail($email)
{
// SET INITIAL RETURN VARIABLES
$emailIsValid = FALSE;
// MAKE SURE AN EMPTY STRING WASN'T PASSED
if (!empty($email))
{
// GET EMAIL PARTS
$domain = ltrim(stristr($emai...
How do I find all of the symlinks in a directory tree?
... editor after snippets, if snippets enabled
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...ommits reachable from r2 but exclude the ones reachable from r1.
This set operation appears so often
that there is a shorthand for it. When
you have two commits r1 and r2 (named according to the syntax explained in
SPECIFYING REVISIONS above), you can
ask for commits that are reachable
...
Download file from web in Python 3
I am creating a program that will download a .jar (java) file from a web server, by reading the URL that is specified in the .jad file of the same game/application. I'm using Python 3.2.1
...
Remove local git tags that are no longer on the remote repository
We use tags in git as part of our deployment process. From time to time, we want to clean up these tags by removing them from our remote repository.
...
Is recursion ever faster than looping?
...resting instruction performs a transformation. Basic instructions are:
a) Set & move memory cells
store a value into memory, e.g.: store 5 m[4]
copy a value to another position: e.g.: store m[4] m[8]
b) Logic and arithmetic
and, or, xor, not
add, sub, mul, div. e.g. add m[7] m[8]
An E...
Permanently adding a file path to sys.path in Python
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What strategies and tools are useful for finding memory leaks in .NET?
I wrote C++ for 10 years. I encountered memory problems, but they could be fixed with a reasonable amount of effort.
15 Ans...
App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希...
...126或ANSIX923
模式：AES加密方式，也可以是ECB，CBC，CTR，OFB或CFB
IV：AES加密IV，它必须是字符串值，并且其长度必须是16个字符，如果选择ECB加密模式，则不需要此值，否则必须设置此属性。
AesDecrypt
AES解密后使用属性AesKey...
What happened to console.log in IE8?
... an unobtrusive (though imperfect) alternative fallback is to set document.title. At least it doesn't lock up the browser with a modal alert.
– brennanyoung
Oct 1 '15 at 12:27
...