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Can I grep only the first n lines of a file?
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The magic of pipes;
head -10 log.txt | grep <whatever>
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Script parameters in Bash
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./ocrscript.sh -from /home/kristoffer/test.png -to /home/kristoffer/test.txt
You'll get:
$0 # ocrscript.sh
$1 # -from
$2 # /home/kristoffer/test.png
$3 # -to
$4 # /home/kristoffer/test.txt
It might be easier to omit the -from and the -to, like:
ocrscript.sh /home/kristoffer/te...
Returning a file to View/Download in ASP.NET MVC
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To view file (txt for example):
return File("~/TextFileInRootDir.txt", MediaTypeNames.Text.Plain);
To download file (txt for example):
return File("~/TextFileInRootDir.txt", MediaTypeNames.Text.Plain, "TextFile.txt");
note: to downlo...
MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...已经超出以前我对Format的了解了！也让我想要学习Format的完整功能！
下面是我对我从网上收集到的资料的整理：
函数声明
function Format(const Format: string; const Args: array of const): string; overload;
（事实上Format方法有两个种形式，另...
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，...
How to debug apk signed for release?
...oguard true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
The line debuggable true was the trick for me.
Update:
Since gradle 1.0 it's minifyEnabled instead of runProguard. Look at here
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Read a text file using Node.js?
...th its contents. Sample usage would look like this:
$ node ./cat.js file.txt
OK: file.txt
This is file.txt!
[Edit] As @wtfcoder mentions, using the "fs.readFile()" method might not be the best idea because it will buffer the entire contents of the file before yielding it to the callback function...
How to remove “index.php” in codeigniter's path
...nd $1 !^(index\.php|[Javascript / CSS / Image root Folder name(s)]|robots\.txt)
RewriteRule ^(.*)$ /index.php/$1 [L]
Another good version is located here:
http://snipplr.com/view/5966/codeigniter-htaccess/
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Node.js check if file exists
...a minute search try this :
var path = require('path');
path.exists('foo.txt', function(exists) {
if (exists) {
// do something
}
});
// or
if (path.existsSync('foo.txt')) {
// do something
}
For Node.js v0.12.x and higher
Both path.exists and fs.exists have been deprec...
融资千万美元后的足记要如何应对“爆款后遗症”？ - 资讯 - 清泛网 - 专注C...
...择比较优秀的作品，作为一个故事大纲或者电影手记，会推荐给好的制作团队，或者直接进行投资。明年足记也会进入视频制作领域。这样就更切入了影视生产环节的上游。
在这个过程中，足记提供的服务是可能产生收入的。...