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Redirect Windows cmd stdout and stderr to a single file
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You want:
dir > a.txt 2>&1
The syntax 2>&1 will redirect 2 (stderr) to 1 (stdout). You can also hide messages by redirecting to NUL, more explanation and examples on MSDN.
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How to remove all debug logging calls before building the release version of an Android app?
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@Fraggle From proguard-android.txt in ADT tools: "Note that if you want to enable optimization, you cannot just include optimization flags in your own project configuration file; instead you will need to point to the "proguard-android-optimize.txt" file...
Running Command Line in Java [duplicate]
...untime.getRuntime();
Process pr = rt.exec("java -jar map.jar time.rel test.txt debug");
http://docs.oracle.com/javase/7/docs/api/java/lang/Runtime.html
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How to output something in PowerShell
... the script with redirected output, something like yourscript.ps1 > out.txt, you will get test2 on the screen test1\ntest3\n in the "out.txt".
Note that "test3" and the Write-Output line will always append a new line to your text and there is no way in PowerShell to stop this (that is, echo -n i...
How to delete duplicate lines in a file without sorting it in Unix?
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awk '!seen[$0]++' file.txt
seen is an associative-array that Awk will pass every line of the file to. If a line isn't in the array then seen[$0] will evaluate to false. The ! is the logical NOT operator and will invert the false to true. Awk will ...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
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ImageView 扩展
下载链接
功能概述
扩展特性
截图
扩展界面
缩放类型设置
积木示例
使用示例
函数
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Enabling ProGuard in Eclipse for Android
...ct.properties:
proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt
if you want to make project-specific modifications, create a proguard-project.txt and change the line to:
proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
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Ignore files that have already been committed to a Git repository [duplicate]
...ersion control from git.
I.e. if you've already added a file called test.txt using git-add, then adding test.txt to .gitignore will still cause changes to test.txt to be tracked.
You would have to git rm test.txt first and commit that change. Only then will changes to test.txt be ignored.
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Print array to a file
.... Or return it directly when writing to file:
file_put_contents('filename.txt', print_r($b, true));
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...return TRUE，搞定。这种方法不需要记忆，简单省事，强烈推荐。
在OnEraseBkGnd中，如果你不调用原来缺省的OnEraseBkGnd只是重画背景则不会有闪烁。而在OnPaint里面，
由于它隐含的调用了OnEraseBkGnd，而你又没有处理OnEraseBkGnd函数，...