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Difference between array_map, array_walk and array_filter
...ray_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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Is there an API to get bank transaction and bank balance? [closed]
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Just a helpful hint, there is a company called Yodlee.com who provides this data. They do charge for the API. Companies like Mint.com use this API to gather bank and financial account data.
Also, checkout https://plaid.com/, they are a similar company Yodlee.com an...
PHP DateTime::modify adding and subtracting months
...s not a bug:
The current behavior is correct. The following happens internally:
+1 month increases the month number (originally 1) by one. This makes the date 2010-02-31.
The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February...
PHP function to generate v4 UUID
... PHP docs explicitly caution that mt_rand() does not generate cryptographically secure values. In other words, values generated by this function may be predictable. If you need to ensure that the UUIDs are not predictable, you should rather use Jack's solution below, which makes use of the openssl_r...
How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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window+nginx+php-cgi的php-cgi线程/子进程问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
window+nginx+php-cgi的php-cgi线程/子进程问题见bbshttp: bbs csdn net topics 390803643 close正常的配置情况下,window的php-cgi是不会出现多线程 子进程的,例如以下配置fastcgi_pass 见bbs
http://bbs.csdn.net/topics/390803643/close
正常的配置情况下,window...
How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...ndition is false */ ;
syntax is not a "shorthand if" operator (the ? is called the conditional operator) because you cannot execute code in the same manner as if you did:
if (condition) {
/* condition is true, do something like echo */
}
else {
/* condition is false, do something else */
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Is there a use-case for singletons with database access in PHP?
...bsolutely sure that you'll never have more than one instance of, you eventually have a second. You may end up with a second monitor, a second database, a second server--whatever.
When this happens, if you have used a static class you're in for a much worse refactor than if you had used a singleton...
window.location.reload with clear cache [duplicate]
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UPDATE 1
After reading the comments I realize you wanted to programmatically erase the cache and not every time. What you could do is have a function in JS like:
eraseCache(){
window.location = window.location.href+'?eraseCache=true';
}
Then, in PHP let's say, you do something like this:
&l...
What Does This Mean in PHP -> or => [duplicate]
I see these in PHP all the time but I don't have a clue as to what they actually mean. What does -> do and what does => do. And I'm not talking about the operators. They're something else, but nobody seems to know...
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