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Is HttpClient safe to use concurrently?

... Yeah, I wasn't sure about that one, as it appears to be a standard warning on everything on MSDN (and I remember reading some MSDN blogs about how sometime that warning is wrong, as it is applied blindly to everything). – Alex K Jun 24 '12 at 14:...
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Why is “a” != “a” in C?

... GCC also has the options -fmerge-constants and -fno-merge-constants to enable/disable string and floating-point constant merging across translation units, though on some GCCs it seems that constant merging is always enabled regardless of that option. ...
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Why are local variables not initialized in Java?

...ulation. So its the programmer's decision to set the value of the variable and it should not take a default value. If the programmer, by mistake, did not initialize a local variable and it take default value, then the output could be some unexpected value. So in case of local variables, the compiler...
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Youtube iframe wmode issue

... Differences between opaque and transparent. opaque is supposed to be more performant. – donut Sep 14 '11 at 17:36 3 ...
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Scroll Element into View with Selenium

...olution for when you may have an element with position: fixed on your page and it is obscuring the element Selenium wants to click. Quite often these fixed elements go at the bottom, so setting scrollIntoView(true) moves it nicely to the top of the viewport. – Mandible79 ...
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remove nuget package restore from solution

...ou're manually editing your project files, make sure to close the solution and delete all the lines from the project at once, otherwise they're just added again once the project reloads... UPDATE2: Delete the .nuget folder from the solution root too UPDATE3: A later version of NuGet adds another...
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Using PHP with Socket.io

Is it possible to use Sockets.io on the client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code? ...
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What is difference between instantiating an object using new vs. without

...lock of memory by calling either ::operator new() or Time::operator new(), and subsequently calls Time::Time() with this set to an address within that memory block (and also returned as the result of new), which is then stored in t. As you know, this is generally done on the heap (by default) and re...
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Uses of content-disposition in an HTTP response header

...ity concerns. The authority on the content-disposition header is RFC 1806 and RFC 2183. People have also devised content-disposition hacking. It is important to note that the content-disposition header is not part of the HTTP 1.1 standard. The HTTP 1.1 Standard (RFC 2616) also mentions the possibl...
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How to compare dates in Java? [duplicate]

... Date has before and after methods and can be compared to each other as follows: if(todayDate.after(historyDate) && todayDate.before(futureDate)) { // In between } For an inclusive comparison: if(!historyDate.after(todayDate) ...