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Command to change the default home directory of a user

... default login shell of an existing valid user) without touching the /etc/passwd file. Thanks 6 Answers ...
https://www.tsingfun.com/it/cpp/1419.html 

ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术

...订阅者,必然会丢失掉一部分信息,这是这个模式的一个问题,所谓的 Slow joiner。稍后,会解决这个问题。 d) 但是,如果 Publisher 中途离开,所有的 Subscriber 会 hold 住,等待 Publisher 再上线的时候,会继续接受信息。 ZMQ 的 PipeL...
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PHP连接MySQL报错:Fatal error: Call to undefined function mysql_connec...

...Fatal error: Call to undefined function mysql_connect()之解决方法【问题描述】PHP测试连接MySQL的程序如下:<?php$host='localhost';$user_name='root';$password='mysql';$conn=m...【问题描述】 PHP测试连接MySQL的程序如下: <?php $host='localhost'; $user_name='root...
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Hiding a password in a python script (insecure obfuscation only)

...eant that you would code a feature like this and add the ability to read a passwd from a file – Martin Beckett Dec 10 '15 at 22:42 ...
https://www.tsingfun.com/it/tech/1048.html 

PHP 错误记录和聚合的平台Sentry实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...战不管你用什么编程语言,都会面临如何处理错误日志的问题。很多程序员对错误日志放任自流,直到出现故障了才追悔莫及,如果问我怎么办,我会...不管你用什么编程语言,都会面临如何处理错误日志的问题。很多程序员对...
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Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

...多的时候,冗余的浪费将非常严重,此外还有数据一致性问题,所以它只是一个粗线条的解决方案。 对此类问题而言,SRCache是一个细粒度的解决方案。其工作原理大致如下: SRCache工作原理 当问题比较简单的时候,通常SRC...
https://www.tsingfun.com/it/cpp/2108.html 

C/C++中的段错误(Segmentation fault) - C/C++ - 清泛网 - 专注C/C++及内核技术

...r.c $ ./segerr 10 段错误 咋一看,好像没有问题哦,不就是读取一个数据然后给输出来吗? 下面我们来调试一下,看看是什么原因? $ gcc -g -o segerr segerr.c --加-g选项查看调试信息 $ gdb ./segerr (gdb)...
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MySQL “incorrect string value” error when save unicode string in Django

... automatically. #! /usr/bin/env python import MySQLdb host = "localhost" passwd = "passwd" user = "youruser" dbname = "yourdbname" db = MySQLdb.connect(host=host, user=user, passwd=passwd, db=dbname) cursor = db.cursor() cursor.execute("ALTER DATABASE `%s` CHARACTER SET 'utf8' COLLATE 'utf8_unic...
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Python: How would you save a simple settings/config file?

...host:::localhost:::&lt;type 'str'&gt; x user:::root:::&lt;type 'str'&gt; x passwd:::my secret password:::&lt;type 'str'&gt; x db:::write-math:::&lt;type 'str'&gt; Section: other x preprocessing_queue:::["preprocessing.scale_and_center", "preprocessing.dot_reduction", "preprocessing.connect_lines"]::...
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Rails: FATAL - Peer authentication failed for user (PG::Error)

...t know what your postgres user's password is? Change it like this: 1) Run passwd as a superuser: $ sudo passwd postgres 2) Enter your accounts password for sudo (nothing to do with postgres): [sudo] password for starkers: myaccountpassword 3) Create the postgres account's new passwod: Enter ...