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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula

I was reading about JSF that its a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript. ...
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Java: Path vs File

...hat said, java.nio.file.Path is part of the more modern java.nio.file lib, and does everything java.io.File can, but generally in a better way, and more. For new projects, use Path. And if you ever need a File object for legacy, just call Path#toFile() Migrating from File to Path This Oracle pa...
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How to understand nil vs. empty vs. blank in Ruby

...dly looking for a clear definition of the differences of nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come: ...
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Best way to change the background color for an NSView

...l but the transparency didn't work. I'm coming to Cocoa from Cocoa Touch, and surprised to see that in some ways the Cocoa Touch framework is more complete (!). I was thinking of making a class extension for NSView that would allow you to set backgroundColor like you can an NSWindow or UIView, but...
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Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?

...PDATE As of PHPUnit 3.5, there is a built-in autoloader class that will handle this for you: require_once 'PHPUnit/Autoload.php'; Thanks to Phoenix for pointing this out! share | improve this a...
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#ifdef in C#

...defined"); #elif (DEBUG && VC_V7) Console.WriteLine("DEBUG and VC_V7 are defined"); #else Console.WriteLine("DEBUG and VC_V7 are not defined"); #endif } } Only useful for excluding parts of methods. If you use #if to exclude some method from compilation then you will h...
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How can I autoplay a video using the new embed code style for Youtube?

...le "?rel=0&autoplay=1" it would be the same as "?autoplay=1&rel=0" and they would both work. – Thanos Feb 21 '14 at 1:34 8 ...
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Why does Java switch on contiguous ints appear to run faster with added cases?

... (bytecode instruction tableswitch). However, once the JIT starts its job and compiles the bytecode into assembly, the tableswitch instruction does not always result in an array of pointers: sometimes the switch table is transformed into what looks like a lookupswitch (similar to an if/else if stru...
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JSON serialization of Google App Engine models

... A simple recursive function can be used to convert an entity (and any referents) to a nested dictionary that can be passed to simplejson: import datetime import time SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list) def to_dict(model): output = {} for key, prop...
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How to hide output of subprocess in Python 2.7

I'm using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message: 5 Answers ...