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微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
问题的提出申请过那么多的微博，数申请网易微博的动机最不纯，因为它的字数限制不是传说中的140字，而是163个字。当年觉得很可爱，于是就注册了，之后再也没登录过。今天在人人网转发状态，提示我超过140字了，突然就好...
程序员之网络安全系列（六）：动态密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 我们使用了数字证书，确保了对方的公钥身份，也就是互联网中确定了要访问的网站就是你要访问的网站。
但是我们如何确定要访问这个网站的用户就是要访问的用...
In PHP what does it mean by a function being binary-safe?
In PHP what does it mean by a function being binary-safe ?
3 Answers
3
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PHP memory profiling
What's a good way to profile a PHP page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
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Import file size limit in PHPMyAdmin
I have changed all the php.ini parameters I know:
upload_max_filesize , post_max_size .
27 Answers
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How do I send a POST request with PHP?
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CURL-less method with PHP5:
$url = 'http://server.com/path';
$data = array('key1' => 'value1', 'key2' => 'value2');
// use key 'http' even if you send the request to https://...
$options = array(
'http' => array(
'header' =...
Laravel Controller Subfolder routing
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For Laravel 5.3 above:
php artisan make:controller test/TestController
This will create the test folder if it does not exist, then creates TestController inside.
TestController will look like this:
<?php
namespace App\Http\Controllers\test;...
Difference between float and double in php?
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There is no difference in PHP. float, double or real are the same datatype.
At the C level, everything is stored as a double.
The real size is still platform-dependent.
See the manual for more details:
http://www.php.net/manual/en/language.types.flo...
How to include() all PHP files from a directory?
In PHP can I include a directory of scripts?
12 Answers
12
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Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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