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Reference assignment operator in PHP, =&
...ere should not be a space between & and its variable/argument/function/etc.
When using the reference operator & before an argument, there MUST NOT be a space after it
TL;DR
When assigning a reference, always write the = with spaces on both sides and never write a space after &.
Bad: ...
Deep Learning（深度学习）学习笔记整理系列之（一） - 大数据 & AI - 清泛...
...是怎么来的？又能干什么呢？目前存在哪些困难呢？这些问题的简答都需要慢慢来。咱们先来了解下机器学习（人工智能的核心）的背景。
二、背景
机器学习（Machine Learning）是一门专门研究计算机怎样模拟或实现人类...
Fastest way to implode an associative array with keys
...d the best way to implode an associative array but using my own seperators etc...
So I did this using PHP's array_walk() function to let me join an associative array into a list of parameters that could then be applied to a HTML tag....
// Create Params Array
$p = Array("id"=>"blar","class"=>...
insert multiple rows via a php array into mysql
...I provided,I'm failing to see your point. Care to elaborate (via pastebin, etc?). Thanks-
– bdl
Jun 3 '10 at 14:19
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Exploitable PHP functions
...roc_get_status
get_cfg_var
disk_free_space
disk_total_space
diskfreespace
getcwd
getlastmo
getmygid
getmyinode
getmypid
getmyuid
Other
extract - Opens the door for register_globals attacks (see study in scarlet).
parse_str - works like extract if only one argument is given.
putenv
ini_set
mail...
startsWith() and endsWith() functions in PHP
...ads of unnecessary work, strlen calculations, string allocations (substr), etc. The 'strpos' and 'stripos' functions return the index of the first occurrence of $needle in $haystack:
function startsWith($haystack,$needle,$case=true)
{
if ($case)
return strpos($haystack, $needle, 0) === ...
What's quicker and better to determine if an array key exists in PHP?
...wer but a lot easier. If you need this for performance, checking big data, etc write it out full, otherwise if its a 1 time usage that very minor overhead in function array_key_isset() is negligible.
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...
XCODE 4.3 doesn't put all the autoconf etc. tools in the Developer folder. It doesn't even create that folder in MACINTOSH HD. I had to downgrade to XCODE 4.2.1 which installs everything you need in the Developer folder and now I see no errors.
Also here is a use...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...层传输之上提供完全相同的行为。
这种方法存在两个问题：
一，在特定的传输之上建立类TCP的封装实际上使得传输成为多余的了。如果这种方法的行为类似于TCP，那么为什么一开始就不用TCP呢？（性能特性排除在这个规...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...层传输之上提供完全相同的行为。
这种方法存在两个问题：
一，在特定的传输之上建立类TCP的封装实际上使得传输成为多余的了。如果这种方法的行为类似于TCP，那么为什么一开始就不用TCP呢？（性能特性排除在这个规...