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PHP append one array to another (not array_push or +)
...equals array('a','b')
Will not work, because the + operator does not actually merge them. If they $a has the same keys as $b, it won't do anything.
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Why should I use Google's CDN for jQuery?
...need to customize it. For example if you use Grunt to build the library in order to use only certain modules or setting the AMD name
When you are serving pages over SSL
that require jQuery. You should
serve the JavaScript over SSL as
well as your page to avoid security
problems and warnings.
Also...
What generates the “text file busy” message in Unix?
...table while it was running.
For example, I was building a make workalike called rmk, and after a while it was self-maintaining. I would run the development version and have it build a new version. To get it to work, it was necessary to use the workaround:
gcc -g -Wall -o rmk1 main.o -L. -lrmk -L...
Pretty-Printing JSON with PHP
...HP 5.4 offers the JSON_PRETTY_PRINT option for use with the json_encode() call.
http://php.net/manual/en/function.json-encode.php
<?php
...
$json_string = json_encode($data, JSON_PRETTY_PRINT);
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Stop Chrome Caching My JS Files
... that Chrome needs to have must-revalidate in the Cache-Control` header in order to re-check files to see if they need to be re-fetched.
You can always SHIFT-F5 and force Chrome to refresh, but if you want to fix this problem on the server, include this response header:
Cache-Control: must-revalid...
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...
If Python is interpreted, what are .pyc files?
... during compilation (and therefore don't perform automatic compilation) in order to check errors more thoroughly and perform more optimizations. It's a continuum of gray scales, not a black or white situation, and it would be utterly arbitrary to put a threshold at some given level and say that onl...
Sending email with PHP from an SMTP server
... you are sending an e-mail through a server that requires SMTP Auth, you really need to specify it, and set the host, username and password (and maybe the port if it is not the default one - 25).
For example, I usually use PHPMailer with similar settings to this ones:
$mail = new PHPMailer();
// ...
scala vs java, performance and memory? [closed]
...guages Benchmark Game Scala code is written in a rather Java-like style in order to get Java-like performance, and thus has Java-like memory usage. You can do this in Scala: if you write your code to look like high-performance Java code, it will be high-performance Scala code. (You may be able to ...
Can JavaScript connect with MySQL?
...
small note: the fact that JavaScript runs on the client-side has NOTHING to do with the fact that it can't connect to a Database Server. It could be very well (though, highly unlikely) that a future version of the language woul...