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How to get HTTP response code for a URL in Java?

...od, I get an IOException ("Failed to authenticate with proxy") which is usually an http error 407. Is there a way where I can get a precision (the http error code) about the exception raised by the getRespondeCode() method? By the way, I know how to handle my error, and I just want to know how to di...
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What is referential transparency?

...ther words, it is the closest subject outside computer science to what we call programming language semantics. The philosopher Willard Quine was responsible for initiating the concept of referential transparency, but it was also implicit in the approaches of Bertrand Russell and Alfred Whitehead. ...
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Xcode: What is a target and scheme in plain language?

...eah the title says it :-) What do they mean in plain English language? I really don't understand the explanation on Apple's website and I need to rename my target and I'm afraid that nothing works after that.. ...
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Switch on ranges of integers in JavaScript [duplicate]

...ch statement does not provide a rationale to remove switch statements from all languages. – xtempore Jul 21 '14 at 8:03 ...
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What does “1 line adds whitespace errors” mean when applying a patch?

...tches from one branch to another. However, every time I make any change at all, I get the following message during git apply : ...
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Difference between Service, Async Task & Thread?

... is the difference between Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when? ...
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Can I Replace Apache with Node.js?

...l suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wondering if I can replace just Apache with Node.j...
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How to get index using LINQ? [duplicate]

... Because that's what all of the other LINQ methods use. It makes the delegate signature clearer in the tooltip. Predicate, Comparison, and friends were effectively replaced by the Func delegates in .Net 3.5. – SLaks ...
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What's the difference between text/xml vs application/xml for webservice response

...a nutshell (section 9.2): The registration information for text/xml is in all respects the same as that given for application/xml above (Section 9.1), except that the "Type name" is "text". share | ...
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Const in JavaScript: when to use it and is it necessary?

...ed languages, a constant will be replaced at compile-time and its use will allow for other optimizations like dead code removal to further increase the runtime efficiency of the code. Recent (loosely used term) JavaScript engines actually compile JS code to get better performance, so using the const...