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How to change the decimal separator of DecimalFormat from comma to dot/point?

... You can change the separator either by setting a locale or using the DecimalFormatSymbols. If you want the grouping separator to be a point, you can use an european locale: NumberFormat nf = NumberFormat.getNumberInstance(Locale.GERMAN); DecimalFormat df = (Deci...
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What is a .h.gch file?

...nd then the normal header files will be used. However, if your project is set to generate pre-compiled headers it will make them if they don’t exist and use them in the next build. Sometimes the *.h.gch will get corrupted or contain outdated information, so deleting that file and compiling it a...
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Xcode 4.2 debug doesn't symbolicate stack call

...ion didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { NSSetUncaughtExceptionHandler(&uncaughtExceptionHandler); // Normal launch stuff } That's it! If this doesn't work, then there are only two possible reasons: Something is overwriting your NSSetUncaughtExceptionHand...
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How to prevent errno 32 broken pipe?

...s a socket (using close function). In a C program you would normally try setting to ignore SIGPIPE signal or setting a dummy signal handler for it. In this case a simple error will be returned when writing to a closed socket. In your case a python seems to throw an exception that can be handled as...
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how to fire event on file select

...<input type="file" id="file" name="file" /> //the JavaScript /*resets the value to address navigating away from the page and choosing to upload the same file */ $('#file').on('click touchstart' , function(){ $(this).val(''); }); //Trigger now when you have selected any file $("#f...
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Android View.getDrawingCache returns null, only null

... I was having this problem also and found this answer: v.setDrawingCacheEnabled(true); // this is the important code :) // Without it the view will have a dimension of 0,0 and the bitmap will be null v.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), ...
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?

...r not-vulnerable) to injection attacks regardless of your EMULATE_PREPARES setting. The only difference is where the parameter replacement occurs--with EMULATE_PREPARES, it occurs in the PDO library; without EMULATE_PREPARES, it occurs on the MySQL server. Without EMULATE_PREPARES you may get syntax...
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Get ID of last inserted document in a mongoDB w/ Java driver

... It's safe to do doc.set("_id", new ObjectId()) if you look at driver code if ( ensureID && id == null ){ id = ObjectId.get(); jo.put( "_id" , id ); } public static ObjectId get(){ return new ObjectId(); } ...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

... all intents and purposes just an ordinary Python object, like a number 3, set {3,7}, or a function lambda x: x+5. (Yes, it supports changing its elements, and it supports iteration, and many other things, but that's just what a type is: it supports some operations, while not supporting some others...
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How do I get the size of a java.sql.ResultSet?

... last() and getRow() aren't static methods in the ResultSet class. – JeeBee Oct 10 '08 at 16:21 70 ...