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

... For example: char * arena = malloc(HUGE_NUMBER); unsigned int current = 0; void * my_malloc(size_t n) { current += n; return arena + current - n; } The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for th...
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Using do block vs braces {}

... 102 Ruby cookbook says bracket syntax has higher precedence order than do..end Keep in mind tha...
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What's the difference between Sender, From and Return-Path?

... answered Dec 6 '10 at 14:37 Shawn D.Shawn D. 6,45588 gold badges3030 silver badges4545 bronze badges ...
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?

...otoMakoto 92.9k2121 gold badges156156 silver badges200200 bronze badges 2 ...
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How to detect my browser version and operating system using JavaScript?

... 10 Answers 10 Active ...
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Is the “struct hack” technically undefined behavior?

... | edited Sep 14 '10 at 17:24 answered Sep 14 '10 at 17:18 ...
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How to measure time in milliseconds using ANSI C?

...al_after, &tval_before, &tval_result); printf("Time elapsed: %ld.%06ld\n", (long int)tval_result.tv_sec, (long int)tval_result.tv_usec); This returns Time elapsed: 1.000870 on my machine. share | ...
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?

...estion, I recently created some new ones involving much fewer HTTP calls (5000 compared to 1 million previously) but on requests that took much longer to execute (500 milliseconds compared to around 1 millisecond previously). Both tester applications, the synchronously multithreaded one (based on Ht...
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How to start two threads at “exactly” the same time

...| edited Mar 24 '14 at 16:01 answered Jul 31 '10 at 3:14 En...
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How to disable scrolling temporarily?

...ed with scrolling. [Working demo] // left: 37, up: 38, right: 39, down: 40, // spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36 var keys = {37: 1, 38: 1, 39: 1, 40: 1}; function preventDefault(e) { e.preventDefault(); } function preventDefaultForScrollKeys(e) { if (keys[e.keyCode]) ...