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When and why I should use session_regenerate_id()?
Why and when should I use the session_regenerate_id() function in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
...
What's the best way to get the last element of an array without deleting it?
...nce. In this answer I will share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018).
The options (<<option code>>s) I will test are:
option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x...
How to show google.com in an iframe?
...ilar to Google style. Google CSE works with web and images search.
google.php
<script>
(function() {
var cx = 'xxxxxxxxxxxxxxxxxxxxxx';
var gcse = document.createElement('script');
gcse.type = 'text/javascript';
gcse.async = true;
gcse.src = 'https://cse.google.com/cse....
Event system in Python
... limited interface, but higher performance".
pyeventdispatcher is based on PHP's Symfony framework's event-dispatcher.
dispatcher was extracted from django.dispatch but is getting fairly old.
Cristian Garcia's EventManger is a really short implementation.
Others:
pluggy contains a hook system whic...
How to prevent caching of my Javascript file? [duplicate]
...
<script src="test.js?random=<?php echo uniqid(); ?>"></script>
EDIT: Or you could use the file modification time so that it's cached on the client.
<script src="test.js?random=<?php echo filemtime('test.js'); ?>"></script>...
Remove a cookie
...'s not enough to set it to expire anytime in the past, as computed by your PHP server. This is because client computers can and often do have times which differ from that of your server.
The best practice is to overwrite the current cookie with a blank cookie which expires one second in the future ...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...tor 2 中文网VIP会员免费享有基础版技术支持服务，有任何问题都可以在线及时得到解决，是创客学习App Inventor 2 必备之利器，欢迎体验！
切换 目录 关注 我们 ...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...配和释放。
5．下面介绍一种比较复杂的情况，利于对问题的深入理解。例如我们现在用到的ICF底层库就有很多类似下面的函数：
void CTestDlg::GetString(BSTR* state)
{
_bstr_t m_state(L"cc");
*state = m_state.copy();
}
其中_bstr_...
使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...接。 因此，我们开发蓝牙 LE 组件是为了解决物联网连接问题。
三． 技术方法
BluetoothLE 组件是 MIT App Inventor 的新颖补充。 如图 4 所示，在 MIT App Inventor 平台上创建时，BLE 组件可以作为移动应用程序的一部分实现。 然后，该...
Downloading a large file using curl
...
<?php
set_time_limit(0);
//This is the file where we save the information
$fp = fopen (dirname(__FILE__) . '/localfile.tmp', 'w+');
//Here is the file we are downloading, replace spaces with %20
$ch = curl_init(str_replace("...