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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...序使用glibc提供的malloc/free系列函数，而glibc使用的ptmalloc2在性能上远远弱后于google的tcmalloc和facebook的jemalloc。 而且后两者只需要使用LD_PRELOAD环境变量启动程序即可，甚至并不需要重新编译。
glibc ptmalloc2
ptmalloc2即是我们当前使...
What Computer Science concepts should I know? [closed]
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CMake link to external library
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answered Jan 8 '12 at 8:59
arrowdarrowd
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Running Python on Windows for Node.js dependencies
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Customizing the template within a Directive
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angular.module('formComponents', [])
.directive('formInput', function() {
return {
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How to add/update an attribute to an HTML element using JavaScript?
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edited May 27 '17 at 10:02
Ashish Ahuja
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image processing to improve tesseract OCR accuracy
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fix DPI (if needed) 300 DPI is minimum
fix text size (e.g. 12 pt should be ok)
try to fix text lines (deskew and dewarp text)
try to fix illumination of image (e.g. no dark part of image)
binarize and de-noise image
There is no universal command line that would fit to all cases (som...
Why does Convert.ToString(null) return a different value if you cast null?
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How can I grep for a string that begins with a dash/hyphen?
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edited May 23 '17 at 12:10
Community♦
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answered Mar 11 '10 at 19:24
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How to call a function from a string stored in a variable?
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edited May 17 '12 at 7:31
htoip
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answered Jun 17 '09 at 8...