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Returning JSON from PHP to JavaScript?
...le JSON for PHP is GPLv2 licensed, so your own code must be open-source in order to use it.
– Jamie Birch
Feb 14 '18 at 19:14
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What's the difference between utf8_general_ci and utf8_unicode_ci?
...; not everybody sorts their characters in what we would call 'alphabetical order'.
As far as Latin (ie "European") languages go, there is not much difference between the Unicode sorting and the simplified utf8mb4_general_ci sorting in MySQL, but there are still a few differences:
For examples, the ...
How to set HTTP headers (for cache-control)?
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Is order in this important? "max-age=290304000, public" Or "public, max-age=290304000" or both are equally right?
– Satya Prakash
Sep 8 '13 at 8:02
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PHP namespaces and “use”
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If you need to order your code into namespaces, just use the keyword namespace:
file1.php
namespace foo\bar;
In file2.php
$obj = new \foo\bar\myObj();
You can also use use. If in file2 you put
use foo\bar as mypath;
you need to use...
Parse query string into an array
...se it does not work if you use the same key multiple times (yes because in php array keys are unique). So ?key=lorem&key=ipsum will result in array(["key"]=>"ipsum") The question is, is there a function to get s.th. like this array(["key"]=>array("lorem", "ipsum")) or do I have to create t...
What does yield mean in PHP?
...d of returning once, a generator can yield as many times as it needs to in order to provide the values to be iterated over.
From this place: generators = generators, other functions (just a simple functions) = functions.
So, they are useful when:
you need to do things simple (or simple things);
ge...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...cert.pem from https://curl.haxx.se/ca/cacert.pem
Add the following line to php.ini: (if this is shared hosting and you don't have access to php.ini then you could add this to .user.ini in public_html).
curl.cainfo="/path/to/downloaded/cacert.pem"
Make sure you enclose the path within double quota...
What does “zend_mm_heap corrupted” mean
...al and error, I found that if I increase the output_buffering value in the php.ini file, this error goes away
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What is the difference between bindParam and bindValue?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...MongoDB是如何使用内存的，答案自然就清楚了。
据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used...