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Are static variables shared between threads?

...y the JVM's memory model. Here's an article talking about the memory model and how writes become visible to threads. You can't count on changes one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in an...
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Why doesn't .NET/C# optimize for tail-call recursion?

...ugh analysis to keep the application competitive in the long term with a standard ahead-of-time compilation. Interestingly the NGen compilation steps are not targeted to being more aggressive in their optimizations. I suspect this is because they simply don't want to have bugs where the behaviour i...
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What does enctype='multipart/form-data' mean?

What does enctype='multipart/form-data' mean in an HTML form and when should we use it? 9 Answers ...
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How to install Xcode Command Line Tools

How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later? 13 Answ...
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Maintain/Save/Restore scroll position when returning to a ListView

... Try this: // save index and top position int index = mList.getFirstVisiblePosition(); View v = mList.getChildAt(0); int top = (v == null) ? 0 : (v.getTop() - mList.getPaddingTop()); // ... // restore index and position mList.setSelectionFromTop(in...
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What is HTML5 ARIA?

What is HTML5 ARIA? I do not understand how to implement it. 5 Answers 5 ...
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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4

I have too many misunderstandings in my mind about asynchronous operations on ASP.NET MVC. 6 Answers ...
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Rails migration for has_and_belongs_to_many join table

...ow do I do a script/generate migration to create a join table for a has_and_belongs_to_many relationship? 6 Answers ...
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Why is it bad practice to call System.gc()?

...f "you don't know what it will do," "you don't know if it will even help," and "you shouldn't need to call it anyway" are why people are so forceful in saying that generally you shouldn't call it. I think it's a case of "if you need to ask whether you should be using this, you shouldn't" EDIT to...
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Which is faster: while(1) or while(2)?

... jmp .L2 .seh_endproc .ident "GCC: (tdm64-2) 4.8.1" With -O2 and -O3 (same output): .file "main.c" .intel_syntax noprefix .def __main; .scl 2; .type 32; .endef .section .text.startup,"x" .p2align 4,,15 .globl main .def main; .scl 2; ....