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Android Facebook integration with invalid key hash

...re you check all properties - the HOMEPATH, the existence of the keystore, etc. Maybe you also have to provide password. What generated the proper configuration was the solution suggested by @Mahendran. Also, if you see the error originally posted (http://i.stack.imgur.com/58q3v.png), most probabl...
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Using Regex to generate Strings rather than match them

...a given regular expression into the smallest units of work (\w, [x-x], \d, etc) and writing some basic methods to support those regular expression phrases. So for \w you would have a method getRandomLetter() which returns any random letter, and you would also have getRandomLetter(char startLetter, ...
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Are Mutexes needed in javascript?

...javascript engine only runs one callback (onload, onfocus, <script>, etc...) at a time (per tab, presumably). William's suggestion of using a Mutex for changes between registering and receiving a callback should not be taken too literally because of this, as you wouldn't want to block in the i...
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Static nested class in Java, why?

...images used for project), values folder (which contains string constants), etc.. Sine all the folders are part of Res folder, android tool generates a R.java (resources) file which internally contains lot of static nested classes for each of their inner folders. Here is the look and feel of R.java...
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How do I directly modify a Google Chrome Extension File? (.CRX)

...Chrome themes (which are long gone now... :-P) Chrome themes, extensions, etc. are just compressed files. Get 7-zip or WinRar to unzip it. Each extension/theme has a manifest.json file. Open the manifest.json file in notepad. Then, if you know the coding, modify the code. There will be some other f...
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How to “comment-out” (add comment) in a batch/cmd?

... & :: commenttttttttttt Inside nested parts (IF/ELSE, FOR loops, etc...) use :: line should be followed with normal line, otherwise it gives error (use REM there). :: may also fail within setlocal ENABLEDELAYEDEXPANSION ...
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What is a 'SAM type' in Java?

...ract method", and "SAM-type" refers to interfaces like Runnable, Callable, etc. Lambda expressions, a new feature in Java 8, are considered a SAM type and can be freely converted to them. For example, with an interface like this: public interface Callable<T> { public T call(); } You ca...
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding

...no IDE's version is 1.0. Recently, I tried to upload a few of the sample sketches onto it, such as the Blink one. However, none of my attempts are working and they result in the same error every time I try it: ...
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What is the best way to repeatedly execute a function every x seconds?

...executed, then it waits 60 seconds then it executes again, waits, execute, etc... No need to complicate things :D share | improve this answer | follow | ...
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How to create .pfx file from certificate and private key?

...per "friendly name" (*.yourdomain.com, yourdomain.com, foo.yourdomain.com, etc..) THIS IS IMPORTANT! This MUST match what you setup the CSR for and what your CA provided you. If you asked for a wildcard, your CA must have approved and generated a wildcard and you must use the same. If your CSR was g...