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What's the difference between a POST and a PUT HTTP REQUEST?

...not idempotent, however POST responses are cacheable so long as the server sets the appropriate Cache-Control and Expires headers. The official HTTP RFC specifies POST to be: Annotation of existing resources; Posting a message to a bulletin board, newsgroup, mailing list, or similar group of a...
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How do C++ class members get initialized if I don't do it explicitly?

...nstructor is called. For example, for std::string, the default constructor sets it to an empty string. If the object's class does not have a default constructor, it will be a compile error if you do not explicitly initialize it. For primitive types (pointers, ints, etc), they are not initialized --...
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PHP and MySQL - how to avoid password in source code? [duplicate]

... copying the files for the site, which is a benefit over relying on server-setup environment variables (which can very quickly be lost and forgotten). You shouldn't need to worry about obfuscation of the password since it's not a world-accessible file, it certainly shouldn't be web accessible. What...
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SecurityException: Permission denied (missing INTERNET permission?)

...nose problem w/o guessing, but as kind of solution, you may consider using setDefaultUncaughtExceptionHandler() to catch such unexpected exceptions in future and i.e. simply show user detailed information what permission your app needs instead of just crashing. Please note that using this will most ...
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How can I create a keystore?

... I've used this command which sets the 2 passwords so that you skip some of the prompts: keytool -genkey -v -keystore debug.keystore -storepass android -alias android -keypass android -keyalg RSA -keysize 2048 -validity 10000. Then to generate the SHA-1 ...
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Why would I use Scala/Lift over Java/Spring? [closed]

... Spring has a proper manual, which Lift lacks. But Lift does have a nice set of examples. If you're comfortable reading the Lift code and example code (and you know Scala well already), you can work things out in fairly short order. Both frameworks are compelling. There's a broad range of apps...
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How to deal with a slow SecureRandom generator?

... physical measurement of entropy. The exception is that if you don't call setSeed() before getting data, then the PRNG will seed itself once the first time you call next() or nextBytes(). It will usually do this using a fairly small amount of true random data from the system. This call may block, b...
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What is the difference between #import and #include in Objective-C?

...y obviates ANY and ALL LDFLAGS. As in, you can REMOVE any "OTHER_LDFLAGS" settings, as well as any "Linking" phases.. I find compile / launch times to "feel" much snappier (or possibly, there's just less of a lag while "linking"?).. and also, provides a great opportunity to purge the now extrane...
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How to refresh Android listview?

... Call notifyDataSetChanged() on your Adapter object once you've modified the data in that adapter. Some additional specifics on how/when to call notifyDataSetChanged() can be viewed in this Google I/O video. ...
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When is it acceptable to call GC.Collect?

... If you have good reason to believe that a significant set of objects - particularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit. A good examp...