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Function return value in PowerShell
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If you want to output stuff to the screen from within a function without returning that text as part of the function result, use the command write-debug after setting the variable $DebugPreference = "Continue" instead of "SilentlyContinue"
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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...介
1.查看是否已安装squid
Red Hat Enterprise Linux 5安装程序默认没有安装Squid
服务，读者可以使用下面的命令检查系统是否已经安装了
Squid服务或查看已经安装了何种版本。
rpm -q squid
2.Squid代理服务的基本配置
2.1 Squid主配置...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
...您可以让终端服务器请求每用户许可证或每设备许可证（默认值），但不能同时请求两种许可证。”
请参阅： 配置终端服务器授权模式
由于授权协议出错，远程计算机中断了会话。请尝试重新连接到远程计算机或者与服务...
Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成后，若向外网发送一封地址错误或不可到达的邮件，则默认情况下它会无限次数的重试，结果就导致磁盘被重试邮件日志占满，网络流量也会被浪费，更严重这会被认为是网络攻击而导致服务器或IP被封。因此需要通过一些参...
OS X Bash, 'watch' command
... do clear; your_command; sleep 2; done
That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation.
You can take this a step further and create a watch.sh script that can accept your_command and sleep_duration as parameters:
#!/b...
android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
I have to design splash screens(images that fit screen while loading) for android application using phonegap. I have to design 4 size images that fit for 4types of screens like ldpi, mdpi , hdpi, xhdpi . Can anyone tell me exact sizes in pixels for these screens so I can design in that size ?
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Where is SQL Server Management Studio 2012?
...es the Express edition includes the full suite of client tools... here's a screenshot of the setup screen.
– Tim Lewis
Apr 22 '13 at 14:45
55
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Positioning MKMapView to show multiple annotations at once
...he annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
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How can I swap positions of two open files (in splits) in vim?
... command ctrl+w J. This moves the current window to fill the bottom of the screen, leaving you with:
____________________
| one | two |
| | |
|___________|______|
| three |
| |
|__________________|
Now make either 'one' or 'two' the active window,...
What are the most-used vim commands/keypresses?
...mmands preceded by : are executed on the command line at the bottom of the screen
:help help with any command
Navigation
Cursor movement: ←h ↓j ↑k l→
By words:
w next word (by punctuation); W next word (by spaces)
b back word (by punctuation); B back word (by spaces)
e end word (by pun...