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Get the name of an object's type

... way or another: Here is a hack that will do what you need - be aware that it modifies the Object's prototype, something people frown upon (usually for good reason) Object.prototype.getName = function() { var funcNameRegex = /function (.{1,})\(/; var results = (funcNameRegex).exec((this).cons...
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Why use AJAX when WebSockets is available?

...reate an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process. ...
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How do I break out of a loop in Scala?

...? There are several options. (1a) Use some construct that includes a conditional that you test. var sum = 0 (0 to 1000).iterator.takeWhile(_ => sum < 1000).foreach(i => sum+=i) (warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation...
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Why are only final variables accessible in anonymous class?

...ments, some of this becomes irrelevant in Java 8, where final can be implicit. Only an effectively final variable can be used in an anonymous inner class or lambda expression though. It's basically due to the way Java manages closures. When you create an instance of an anonymous inner class, any...
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Creating a textarea with auto-resize

... doesn't shrink if you delete the content. I can't find any way to shrink it to the correct size - the clientHeight value comes back as the full size of the textarea , not its contents. ...
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Why is there no Constant feature in Java?

... Every time I go from heavy C++ coding to Java, it takes me a little while to adapt to the lack of const-correctness in Java. This usage of const in C++ is much different than just declaring constant variables, if you didn't know. Essentially, it ensures that an object i...
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What's the difference between Unicode and UTF-8? [duplicate]

... most editors support save as ‘Unicode’ encoding actually. This is an unfortunate misnaming perpetrated by Windows. Because Windows uses UTF-16LE encoding internally as the memory storage format for Unicode strings, it conside...
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Is Ruby pass by reference or by value?

... when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable. 13...
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How to pass the value of a variable to the stdin of a command?

I'm writing a shell script that should be somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task? ...
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Why is Java Vector (and Stack) class considered obsolete or deprecated?

... operations. Synchronizing individual operations is both less safe (if you iterate over a Vector, for instance, you still need to take out a lock to avoid anyone else changing the collection at the same time, which would cause a ConcurrentModificationException in the iterating thread) but also slowe...