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How do I do base64 encoding on iOS?
... QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5.3MB image (JPEG) file took < 50ms to encode, and about 140ms to decode.
The code for the entire library (including the Base64 Methods) are available on GitHub.
Or alternatively, if you want the code to just the Base64 ...
Simplest two-way encryption using PHP
...
Neither 5.2 nor 5.3 are supported anymore. You should instead look into updating to a supported version of PHP, such a 5.6.
– Scott Arciszewski
Sep 6 '15 at 20:19
...
Why do some C# lambda expressions compile to static methods?
...t compiler, this implementation is not required (as acknowledged by sec. M.5.3 in the C# 5.0 specification). Therefore, it is undefined whether the anonymous function is static or not. Moreover, section K.6 leaves much open as to the details of expression trees.
...
call a static method inside a class?
... a static method call is taking place.
$this::staticMethod();
Since PHP 5.3 you can use $var::method() to mean <class-of-$var>::; this is quite convenient, though the above use-case is still quite unconventional. So that brings us to the most common way of calling a static method:
self::st...
Google Authenticator implementation in Python
... converts an HMAC-SHA-1
value into an HOTP value as defined in Section 5.3.
http://tools.ietf.org/html/rfc4226#section-5.3
"""
offset = int(hmac_sha1[-1], 16)
binary = int(hmac_sha1[(offset * 2):((offset * 2) + 8)], 16) & 0x7fffffff
return str(binary)
def _long_to_byte...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ash，有的就简单地轮流分析。这些都不够好，一个是不能完美地负载均衡，另一个静态的方法的致命缺陷是，如果有一台计算服务器死机了，或是我们需要加入新的服务器，对于我们的分配器来说，都需要知道的。另外，还要重...
What is the difference between self::$bar and static::$bar in PHP?
..., you're invoking a feature called late static bindings (introduced in PHP 5.3).
In the above scenario, using self will result in Foo::$bar(1234).
And using static will result in Bar::$bar (4321) because with static, the interpreter takes takes into account the redeclaration within the Bar class du...
What is the closest thing Windows has to fork()?
...the closest thing to it I can find:
Taken from: http://doxygen.scilab.org/5.3/d0/d8f/forkWindows_8c_source.html#l00216
static BOOL haveLoadedFunctionsForFork(void);
int fork(void)
{
HANDLE hProcess = 0, hThread = 0;
OBJECT_ATTRIBUTES oa = { sizeof(oa) };
MEMORY_BASIC_INFORMATION mbi;...
Generating a drop down list of timezones with PHP
...e here is that the $what parameter of listIdentifiers was only added in PHP5.3. It looks like this is also when the constants were added as well, only I still cannot find any reference in the migration guide to 5.3 or in any 5.3.x change log to back this up.
– brendo
...
How to properly add cross-site request forgery (CSRF) token using PHP
...nsed and available on Github and Composer as paragonie/random_compat.
PHP 5.3+ (or with ext-mcrypt)
session_start();
if (empty($_SESSION['token'])) {
if (function_exists('mcrypt_create_iv')) {
$_SESSION['token'] = bin2hex(mcrypt_create_iv(32, MCRYPT_DEV_URANDOM));
} else {
...