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How to convert date to timestamp in PHP?
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This method works on both Windows and Unix and is time-zone aware, which is probably what you want if you work with dates.
If you don't care about timezone, or want to use the time zone your server uses:
$d = DateTime::createFromFormat('d-m-Y H:i:s', '22-09-200...
记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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如下命令可以查看当前虚拟内存的大小：
sysctl vm.swapusage
如果你的内存有4GB以上，大部分情况下都已经够用了，于是就可以禁用虚拟内存，以获得更快的速度：
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.p...
Are single quotes allowed in HTML?
I am a big time user of using double quotes in PHP so that I can interpolate variables rather than concatenating strings. As a result, when I am generating HTML I often use single quotes for setting tag fields. For example:
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How do I syntax check a Bash script without running it?
Is it possible to check a bash script syntax without executing it?
8 Answers
8
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How can I remove non-ASCII characters but leave periods and spaces using Python?
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You can filter all characters from the string that are not printable using string.printable, like this:
>>> s = "some\x00string. with\x15 funny characters"
>>> import string
>>> printable = set(strin...
How to remove MySQL root password [closed]
I want to remove the password for user root in localhost. How can I do that? By mistake I have set the password of root user. That's why phpmyadmin is giving an error:
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SVN- How to commit multiple files in a single shot
I tried to commit multiple files across different directories in a single shot as below,
4 Answers
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Specialization with Constraints
I'm having problems getting GHC to specialize a function with a class constraint. I have a minimal example of my problem here: Foo.hs and Main.hs . The two files compile (GHC 7.6.2, ghc -O3 Main ) and run.
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Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
Linux 搭建NTP时间同步服务器NTP服务器【Network Time Protocol（NTP】是用来使计算机时间同步化的一种协议，NTP服务器可以对其它服务器做时间同步化，从而达到时间统一。配置环境及要求：A、 假设10 8 9 0 NTP服务器【Network Time Protoco...
linux下修改默认MYSQL的root管理密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
linux下修改默认MYSQL的root管理密码2、例子例1：给root加个密码123456。键入以下命令 ：[root@test1 local]# usr bin mysqladmin -u root password123456注：因为开始...例1：给root加个密码123456。
键入以下命令 ：
[root@test1 local]# /usr/bin/mysqladmin -u ro...