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How to manually expand a special variable (ex: ~ tilde) in bash
...${username#"~"}
IFS=: read -r _ _ _ _ _ homedir _ < <(getent passwd "$username")
if [[ $path = */* ]]; then
path=${homedir}/${path#*/}
else
path=$homedir
fi
;;
esac
resultPathElements+=( "$path" )
done
local result
print...
译文：理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。既然它们是一些不知名的概念，我简单就着前面的三个问题来说明一下。
强引用(Strong Reference)
强引用就是我们经常使用的引用，其写法如下
StringBuffer buffer = new StringBuffer();
上面创建了一个StringBuffer对象，并将这个对象的...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...l.default_socket => /tmp/mysql.sock => /tmp/mysql.sock
But, in my /etc/my.cnf the sock file is actually in /var/run/mysqld/mysqld.sock.
So, I opened up my php.ini and set the value for pdo_mysql.default_socket:
pdo_mysql.default_socket=/var/run/mysqld/mysqld.sock
Then, I restarted apache...
Secure hash and salt for PHP passwords
...rcing a password policy of X length with X many letters, numbers, symbols, etc, can actually reduce entropy by making the password scheme more predictable. I do agree. Randomess, as truly random as possible, is always the safest but least memorable solution.
So far as I've been able to tell, making...
How can I connect to a Tor hidden service using cURL in PHP?
...r installing Privoxy you need to add this line to the configuration file (/etc/privoxy/config). Note the space and '.' a the end of line.
forward-socks4a / localhost:9050 .
Then restart Privoxy.
/etc/init.d/privoxy restart
...
一个转型程序员的销售观 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...，我们擅长技术，却完全不懂营销跟销售。当意识到这个问题的严重性后，我开始承担起业务销售这个角色。
程序员转销售？能做得好吗？做了三年多的app程序开发，自已觉得在技术领域还是做得比较出色的，两年的安卓加一...
How to use php serialize() and unserialize()
...
what is the explanation of those a,i,s etc in a:3:{i:1;s:6:"elem 1";i:2;s:6:"elem 2";i:3;s:7:" elem 3";} ? And if u don't mind , an example of serializing the array(might not be relevant to the theme of this post ) to send it to js.
– Istiaqu...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...哥开始构思第一个方案，我们开始想用统计的方法来解决问题，当我们拿着第一个方案和Ray讨论时，发现不能优雅应对Ray的所有提问：1、测试环境的准确性，失败到底是因为网络的特性导致还是因为用户当前的环境变化导致的...
How do I send a POST request with PHP?
... ]
]
);
// Parse the response object, e.g. read the headers, body, etc.
$headers = $response->getHeaders();
$body = $response->getBody();
// Output headers and body for debugging purposes
var_dump($headers, $body);
...
Good PHP ORM Library?
...No configuration
No database (it creates everything on the fly)
No models
etc.
It even does all the locking and transactions for you and monitors performance in the background. (Heck! it even does garbage collection....) Best of all... you don't have to write a single... line of code... Jesus thi...