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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
MySQL一次主从数据不一致的问题解决过程情况时这样的：昨天晚上主动2个机器都迁移了，然后今天才把主动重新连接上，但是从库的偏移量是从今天当前时刻开始的，也就是说虽然现在主...情况时这样的：
昨天晚上主动2个机器...
Can I extend a class using more than 1 class in PHP?
...
Answering your edit :
If you really want to fake multiple inheritance, you can use the magic function __call().
This is ugly though it works from class A user's point of view :
class B {
public function method_from_b($s) {
echo $s;
}
}
c...
How to remove the querystring and get only the url?
...he querystring. explode() is less direct because it must produce a potentially two-element array by which the first element must be accessed.
Some other techniques may break when the querystring is missing or potentially mutate other/unintended substrings in the url -- these techniques should be a...
Reading an Excel file in PHP [closed]
... to make it compatible with recent PHP 5 versions: pastebin.com/YNUZANcs All credits go to the original developers.
– Lars Gyrup Brink Nielsen
Sep 9 '13 at 13:32
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What does new self(); mean in PHP?
... the parent class
The first situation would look like this (I've removed all non-necessary code, for this example -- you'll have to add it back to get the singleton behavior)* :
class MyParentClass {
}
class MyChildClass extends MyParentClass {
public static function getInstance() {
...
VIM Disable Automatic Newline At End Of File
So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
Why won't my PHP app send a 404 error?
...
Your code is technically correct. If you looked at the headers of that blank page, you'd see a 404 header, and other computers/programs would be able to correctly identify the response as file not found.
Of course, your users are still SOL. N...
逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...个字符串。那么，找到这个内存地址中的字符串便能解决问题了。那么如何去寻找呢，于是乎我又翻看我的那几十页代码纸，企图人工计算出来。后来发现数据段的的值没有包含。终于，我开始想到了gdb这个工具。干嘛不在0x8048...
How to call a JavaScript function from PHP?
How to call a JavaScript function from PHP?
10 Answers
10
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Best way to test for a variable's existence in PHP; isset() is clearly broken
... This looks a bit ugly to me, but in the case where you're actually checking an array element, it makes much more sense: isset($foo[$bar]) becomes array_key_exists($bar, $foo)
– Arild
Aug 25 '14 at 14:12
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