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How do you Encrypt and Decrypt a PHP String?
...ng an AEAD construct, ALWAYS encrypt then MAC!
bin2hex(), base64_encode(), etc. may leak information about your encryption keys via cache timing. Avoid them if possible.
Even if you follow the advice given here, a lot can go wrong with cryptography. Always have a cryptography expert review your imp...
apc vs eaccelerator vs xcache
...y.. but when he's talking about improvements that have been released back, etc.. that's probably Memcache. Unless they've done the same with apc.
– Evert
Mar 18 '10 at 5:40
...
upstream sent too big header while reading response header from upstream
...nt to add that in ubuntu 16.04 the nginx configuration file is located at /etc/nginx/nginx.conf and the values should go inside http {...}
– Mario
Feb 26 '18 at 17:20
...
PHPMyAdmin Default login password [closed]
...y, coming to the solution, this is what I was required to do:
su -
gedit /etc/phpMyAdmin/config.inc.php
if not found... try phpmyadmin - all small caps.
gedit /etc/phpmyadmin/config.inc.php
Locate
$cfg['Servers'][$i]['AllowNoPassword']
and set it to:
$cfg['Servers'][$i]['AllowNoPassword']...
大数据不是万能的 - 资讯 - 清泛网 - 专注C/C++及内核技术
...地方。我们认为，大数据其实面对的不是99%的机构面对的问题，这个说法跟市场上很多的说法不大一样。
我们看一下，把这个额度分配到一万到十万区域。在这个领域从事信贷服务的，大家马上想到的是信用卡，也可能想到某...
What's the difference between echo, print, and print_r in PHP?
...ngs are not quoted, type information is omitted, array sizes aren't given, etc.
var_dump is usually more useful than print_r when debugging, in my experience. It's particularly useful when you don't know exactly what values/types you have in your variables. Consider this test program:
$values = ar...
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...定是可信的。
区块链技术原理的来源可归纳为一个数学问题：拜占庭将军问题。拜占庭将军问题延伸到互联网生活中来，其内涵可概括为：在互联网大背景下，当需要与不熟悉的对手方进行价值交换活动时，人们如何才能防止...
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...入浅出计算机字符集编码通过解决一个实际工作中的编码问题，深入研究调查了下计算机的字符编码原理，掌握编码的基本原理后，相关的问题都可轻松解决，希望能给大家带来一定帮助。问题缘由：前面页面编码方式统一为UTF...
AsciiConversion 拓展问题：字母开头的会出现“C2”非预期字符 - App Inven...
做TCP通讯时遇到的问题，主要问题是：列表如果是字母开头就会出问题
发送这个列表
字母开头的都有这个问题，文本显示没有问题。
上面那个是程序 ，下面这个是测试工具
测试了一下：
1、ClientSocket拓展默认...
How can I convert ereg expressions to preg in PHP?
...o]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escape it:
ereg('^/hello', $str);
preg_match('/^\/hello/', $str);
You can easily escape all delimiters and reserved characters in a string by using pr...