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转载 python check syntax

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2014-10-24 22:18:22 1155

转载 cmd escape character ^

cmd escape character ^cmd转义字符A caret (^) character in a command line means that the character immediately following it is interpreted literally ^字符可以用来在命令行中用来转义，一个例子to set the output of var

2013-10-10 21:57:15 890

转载 customize short-cut/hot-key/keybindings with an e.g. to delete line in XCode

first we have to get the terminology right, when we say short-cut, it is interchangeable with the terms "keybindings", or the "hot-keys". In Mac, you can actually define your own key bindings. t

2013-09-29 11:55:41 699

转载 windows - create junction with mklink and remove junction with rmdir

rd d:\pic_linkYou can create a junction point say d:\pic_link to real dictory called d:\pichere is the command to run mklink /j d:\pic_link d:\picand you can remove the junction point w

2013-06-06 22:07:34 1021

转载 tools - Eclipse set proxy connection

sometimes when you try to upgrade software and thanks to the GFW (Great Firewall) the simple questoin becomes impossible. however, you can setup the propxy connection. Howh to configure Proxy

2013-06-04 22:27:54 1032

转载 scalatest - install and use scalatest with eclipse

The site to install update from Eclips is URL: http:///download.scala-ide.org/sdk/e37/scala29/stable/siteand as of how to run the Test within the Scala IDE you can :For Eclipse users, ScalaT

2013-06-04 08:06:40 1073

转载 access windows share with smbclient and mount with cifs

suppose my windows server is YJ104. and hthe work group is "WORKGROUP", and I have created a user name called "bq". you'd first share a folder and enables permission for YJ104\bq;, to visit hte fi

2013-04-17 16:37:50 832

转载 ZZ - Sharing files between Guest and Host Operating System

the original post is here: -- http://www.vmware.com/support/ws3/doc/ws32_running9.html VMware Workstation 3.2Features | Documentation | Knowledge Base | Discussion Forums

2013-04-17 15:08:43 708

原创 haskell list pacakges and install missing packages

You may want to install some additional haskell packages, where this page :http://www.haskell.org/ghc/distribution_packages has listed the packages for different distribution. let's take the Ubunt

2013-04-15 21:57:52 800

转载 ZZ - Use apt-get To Install, Upgrade, Search, Remove Packages

ZZ- from http://www.lainoox.com/apt-get-packages/ Use apt-get To Install, Upgrade, Search, Remove PackagesOne of the main reasons I am a fan of Debian and Ubuntu is for the a

2013-04-15 21:27:47 1606

转载 zz from stackoverflow - effecient tip: how switch tabs in Eclipse

you may want to switch from two files constantly, maybe one minute before you are editing a file and a minute later you want to modify the file that has been affected by the change one minute ago.

2013-03-27 14:33:39 759

转载 start haskell with batteries included

First check on which box the binary can load, login to a box, and run teh following commad .oy28c1n5$ fs sysCurrent sysname list is 'x86_64.linux.2.6.glibc.2.3' 'amd64.linux.2.4.glibc.2.3' 'ia32.li

2013-03-20 12:09:03 601

转载 zz - pydev interactive console

Interactive ConsoleNew on PyDev 2.5.0: Interaction with Variables ViewFrom PyDev 2.5.0 onwards, the interactive console may be connected to the variables/expressions view (as if it was a debug

2013-03-05 11:27:35 1533

转载 zz - MSDN TraceSource class

in this post, we are going to discuss the TraceSource class, which should be used to enable applicatin to trace the code execution and associate the messages with their sources.The original of the

2013-03-04 15:59:36 433

转载 UML symbols summarize

Here is some template summarize the symbols used in UML to represent C# model . http://stackoverflow.com/questions/3434034/how-to-show-protected-internal-in-uml + is for Public -

2013-03-01 15:02:20 266

转载 zz - Start F# interactively in Visual studio

The original site of the discussion is available here: http://msdn.microsoft.com/en-us/library/dd233175.aspx F# Interactive (fsi.exe) is used to run F# code interactively at the console, or t

2013-03-01 14:49:41 464

转载 zz - Visual Studio trick to quickly find any file in solution

You know that Find text boxin the toolbar of Visual Studio? Those of us who are keyboard-inclinedprobably never use it because Ctrl+F is quicker than moving your hand to themouse. But there is a hid

2013-03-01 14:17:46 411

转载 vim - command summary

NavigationEidt file under cursorgfEdit the alternate file (equivalent to ":e #")　mostly the alternate file is the previously edited file. CTRL-^

2013-02-27 11:32:01 239

转载 sybase built-in store procedures

In Sybase, there are some built-in sproc that helps you to manage/manipulate/view databases and tables. sp_helpconstraintsp_helpsp_helptext

2013-02-25 12:02:32 360

转载 vim save and restore session

normally when you work on a set of files, and you can open it up , edit them and later on you may need to close the vim and do something else, and later sometime you may need to reopen that in VIM , a

2013-02-22 18:09:51 834

转载 An example of delegate Command to yet another Command.

YOu can delegate a command to yet another comand, this is useful when you can create some anonymouse comnad and the real command action is perfomred by a command that is embedded in the anonymous comm

2013-02-22 14:24:00 353

转载 windows shell - powershell

Power shell is a replacement to the existing shell (batch to be more precisesly speaking). Powershell has beeter string manipulation and better control construct, whch maneks it better for system admi

2013-01-30 14:49:10 518

原创 visual studio debug tip - how to suppress/ignore/disregard application exception

Some user exception may happens and you can safely ignore them, just like some common language runtime exception where you don't want to pay attention to.. From Debug | Exception, you can find there i

2013-01-24 16:32:27 447

转载 tools - p4v How do I display a particular changelist number in p4v?

Search > Go To... In the dialog, you can go to a submitted changelist by number.In my version of P4, this is under Edit > Go To...See this page for more details .http://stackoverflow.com

2012-12-20 10:28:16 566

转载 tools - gpupdate to update group policy settings

In enterprise environment, access control is sometimes done with the group policy. sometimes out of no reason, the group policy is out of date, and you have to manually force the sync, below shows you

2012-12-18 16:48:53 507

原创 Visual Studio Tip: Show All Files

Visual Studio Tip: Show All FilesPosted on September 14, 2009I discovered a Visual Studio feature that I probably should have noticed years ago. It is pretty awesome, and right in front of

2012-12-18 16:36:06 858

转载 jar - user of jar command to list/extract file from a jar file

Sometimes that you will need some way to inspect the files contains in a jar file. you can use the jar command to do that.you can use the jar command, with the -t command to list table of conten

2012-12-17 14:46:25 579

转载 vim - clipboard yank file name/path of current buffer in VIM

Sometimes it is necessary to yank the name of the current filename/path of the current buffer so we can view/paste the name it to somewhere. here is some tips that shows you how .From the stackoverf

2012-12-17 10:49:36 728

转载 Shell - Some useful tips to work with Shell

1. tell which shell is running. how do I find which shell I'm using.trick 1: echo $SHELLtrick 2:ps -p $$2. Set environment variable in different shell.See "Linux set environment

2012-12-14 16:57:17 320

转载 vim - cannot save backup file

it is because it has run out of space, you can check how much space has been used by the following commands.df .

2012-12-14 14:35:41 1138

转载 AS4 and AS5 key maps

On the AS4 box, you may use the right arrow key to move the cursor around, but on AS5, you may find it echo back something like this. ‘alt+left/right’ result in adding character ‘[D’ and ‘[C’

2012-12-07 15:14:26 326

原创 tools - batch script to switch JRE runtime path

If it very common that you may switch between different versions of JRE, either switching from a higher version to a lower version or from a x64 version to a x86 version. And normally if you have conf

2012-10-11 22:52:59 485

转载 tools - windows cmd: cd - to last directory

In windows cmd there is no 'cd - ' where in Linux which means return to the last visited directory however, you can make some alias in such as way @echo offif '%*'=='' cd & exit /bif '%*'=='-' (

2012-10-11 17:08:50 617

转载 c# - Start to compile and run mono c# code

Mono is some runtime that you can use on Linux or other Unix box to compile/run C# code . Though I am not sure if I can directly run the code that is compiled by csc and run that that on mono, this i

2012-10-09 15:57:51 462

原创 MSBuild - recursive move/copy filed under a directory to the destination folder

It is a very common use case to copy files under one directory to another but keep the structure of the files copied.You can do with some external command such as xcopy and wrap it in a task in

2012-10-09 14:47:46 2292

转载 Blog archives - justjavac

You can visit his blog from justjavac. Below is the catalog of his blog.justjavac的博客专注最时髦的web开发技术jekyll为 jekyll 博客添加 category 分类使用jekyll在Github上搭建博客Markdown 语法 (简体中文版)ma

2012-09-27 07:40:05 915

原创 win7 - troubleshooting and install incompatible software

I have to install an very old version of syncfusion recently, and by some mistake, I installed it wrong the first attempt. Then I could not install later after.But after some trial and error, I foun

2012-09-24 17:24:16 388

转载 zz - avoiding game crashed related t linked lists

NOTE: Patrick Waytt, from blizard, worked on StarCraft, has write some article on the use of Avoiding game crashes related to linked lists. And the 优快云 writer has translated his article to chinese

2012-09-23 08:04:42 1317

原创 Resource and Embedded Resource

Here are one explaination on the Embedded Resource and the Resource. In this page : in "what is the difference between a Resource and an Embedded Resource in C# application"“Resource” a

2012-07-18 15:26:18 1890

原创 WPFToolkit compilation and etc..

WPFToolkit is an open source project that provide some useful WPF control and etc.You can download the WPFToolkit from this location.There are binaries version and there are source code

2012-07-18 12:26:40 1070