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When to use IMG vs. CSS background-image?

...iate to use an HTML IMG tag to display an image, as opposed to a CSS background-image , and vice-versa? 31 Answers ...
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Difference between CPPFLAGS and CXXFLAGS in GNU Make

What's the difference between CPPFLAGS and CXXFLAGS in GNU Make? 4 Answers 4 ...
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Ant task to run an Ant target only if a file exists?

Is there an ANT Task that would execute a block only if a given file exists? I have the problem that I have a generic ant script that should do some special processing but only if a specific configuration file is present. ...
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How to check permissions of a specific directory?

I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory? ...
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Is there any free OCR library for Android? [closed]

I'm looking for a Java OCR that runs on Android, however Asprise doesn't seem to be a platform independent OCR. is there any opensource/free Java OCR I can use for android application development? ...
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What does the ng stand for in Angular.js directives

Angular.js uses several directives prefixed with ng like below: 6 Answers 6 ...
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Why does direction of index matter in MongoDB?

... MongoDB concatenates the compound key in some way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be down the sam...
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How to handle button clicks using the XML onClick within Fragments

...-Honeycomb (Android 3), each Activity was registered to handle button clicks via the onClick tag in a Layout's XML: 18 A...
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How to convert nanoseconds to seconds using the TimeUnit enum?

... edited Oct 25 '18 at 9:45 Ewoks 11.5k66 gold badges5252 silver badges6464 bronze badges answered May 29 '09 at 3:00 ...
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Execute stored procedure with an Output parameter?

... The easy way is to right-click on the procedure in Sql Server Management Studio(SSMS), select execute stored procedure... and add values for the input parameters as prompted. SSMS will then generate the code to run the proc in a new query window, an...