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count (non-blank) lines-of-code in bash

... variation for a Rails app: find . -path './log' -prune -o -path './trunk' -prune -o -path './branches' -prune -o -path './vendor' -prune -o -path './tmp' -prune -o -print | egrep '\.rb|\.erb|\.css|\.js|\.yml' | grep -v 'svn' | xargs cat | sed ...
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Can't Find Theme.AppCompat.Light for New Android ActionBar Support

...o next: File->Import (android-sdk\extras\android\support\v7). Choose "AppCompat" Project-> properties->Android. In the section library "Add" and choose "AppCompat" That is all! Note: if you are using "android:showAsAction" in menu item, you need to change prefix android as in ...
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CALayer with transparent hole in it

...dRect:CGRectMake(0, 0, 2.0*radius, 2.0*radius) cornerRadius:radius]; [path appendPath:circlePath]; [path setUsesEvenOddFillRule:YES]; CAShapeLayer *fillLayer = [CAShapeLayer layer]; fillLayer.path = path.CGPath; fillLayer.fillRule = kCAFillRuleEvenOdd; fillLayer.fillColor = [UIColor grayColor].CGCo...
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Synchronise ScrollView scroll positions - android

...ut it all together in the Layout class. package com.test; import android.app.Activity; import android.os.Bundle; public class Q3948934 extends Activity implements ScrollViewListener { private ObservableScrollView scrollView1 = null; private ObservableScrollView scrollView2 = null; @...
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How JavaScript closures are garbage collected

...ay anything about garbage collection, but gives some clues of what should happen. Section 13 Function definition, step 4: "Let closure be the result of creating a new Function object as specified in 13.2" Section 13.2 "a Lexical Environment specified by Scope" (scope = closure) Section 10.2 Lexic...
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What happens if you don't commit a transaction to a database (say, SQL Server)?

...ion, it's still "running" and potentially holding locks. If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back and terminated. shar...
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UIGestureRecognizer on UIImageView

...o the actual zoom/rotate yourself in the gesture handlers. See the sample app Touches_GestureRecognizers on how to do the zoom/rotate. – user467105 Oct 11 '10 at 21:27 77 ...
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Powershell equivalent of bash ampersand (&) for forking/running background processes

...or 172.217.16.14: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 10ms, Maximum = 11ms, Average = 10ms C:\utils> If you want to execute couple of statements in background you can combine & call operator, { } script block ...
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Ways to implement data versioning in MongoDB

...you want to store changesets"? Diffs? Whole record copies? My personal approach would be to store diffs. Because the display of these diffs is really a special action, I would put the diffs in a different "history" collection. I would use the different collection to save memory space. You gener...
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Good Linux (Ubuntu) SVN client [closed]

... A very nice client indeed. I Installed it yesterday and I couldn't be happier. – Nils Pipenbrinck Dec 26 '09 at 16:35 ...