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What is the meaning of the term arena in relation to memory?

... arena , but never defines it. I've searched for the meaning of the word and how it relates to memory, and found nothing. Here are a few contexts in which the author uses the term: ...
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Why aren't variable-length arrays part of the C++ standard?

... space available, isn't good. The argument is, if you know the size beforehand, you can use a static array. And if you don't know the size beforehand, you will write unsafe code. C99 VLAs could provide a small benefit of being able to create small arrays without wasting space or calling constructo...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

...emove old Java paths. Add the new Java path to PATH. Edit JAVA_HOME. Close and re-open console/IDE. Welcome! You have encountered one of the most notorious technical issues facing Java beginners: the 'xyz' is not recognized as an internal or external command... error message. In a nutshell, yo...
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Does PostgreSQL support “accent insensitive” collations?

...r now This approach is more efficient as other solutions floating around, and safer. Create an IMMUTABLE SQL wrapper function executing the two-parameter form with hard-wired schema-qualified function and dictionary. Since nesting a non-immutable function would disable function inlining, base it o...
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario

...read at all. That goes for both free threads, created by new Thread(...), and worker threads in the ThreadPool that respond to QueueUserWorkItem requests. Yes, it's true, you can starve the ThreadPool in an ASP.NET process by queuing too many work items. It will prevent ASP.NET from processing fu...
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How do I style a dropdown with only CSS?

...s very good browser support (caniuse) - except for Internet Explorer 11 (and later) and Firefox 34 (and later). We can improve this technique and add support for Internet Explorer 10 and Internet Explorer 11 by adding select::-ms-expand { display: none; /* Hide the default arrow in Interne...
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When should one use a spinlock instead of mutex?

... The Theory In theory, when a thread tries to lock a mutex and it does not succeed, because the mutex is already locked, it will go to sleep, immediately allowing another thread to run. It will continue to sleep until being woken up, which will be the case once the mutex is being unl...
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How to implement a queue using two stacks?

Suppose we have two stacks and no other temporary variable. 20 Answers 20 ...
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How to highlight text using javascript

... help me with a javascript function that can highlight text on a web page. And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search. ...
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What is the 'dynamic' type in C# 4.0 used for?

... The dynamic keyword is new to C# 4.0, and is used to tell the compiler that a variable's type can change or that it is not known until runtime. Think of it as being able to interact with an Object without having to cast it. dynamic cust = GetCustomer(); cust.Fir...