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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...
Asynchronous shell exec in PHP
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If it "doesn't care about the output", couldn't the exec to the script be called with the &...
Running Python on Windows for Node.js dependencies
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Set environment variables on Mac OS X Lion
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edited May 23 '17 at 11:55
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answered Sep 21 '11 at 15:02
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Batch file to copy files from one folder to another folder
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edited Jun 3 '14 at 20:04
answered Jun 12 '09 at 12:57
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Git Pull While Ignoring Local Changes?
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Clear Application's Data Programmatically
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edited Jun 12 '19 at 23:42
answered Mar 22 '15 at 17:03
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Can anyone explain python's relative imports?
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edited Aug 14 '12 at 18:41
answered Dec 16 '09 at 23:37
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Verify if a point is Land or Water in Google Maps
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These are 2 different ways, you may try:
You can use Google Maps Reverse Geocoding . In result set you can determine whether it is water by checking types. In waters case the type is natural_feature. See more at this link http://code...