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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...
abort: no username supplied (see “hg help config”)
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edited Oct 22 '13 at 13:06
answered Mar 19 '10 at 13:56
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Converting Stream to String and back…what are we missing?
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This is so common but so profoundly wrong. Protobuf data is not string data. It certainly isn't ...
What are the best practices for catching and re-throwing exceptions?
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292
You should not be catching the exception unless you intend to do something meaningful.
"Somet...
Running Python on Windows for Node.js dependencies
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22 Answers
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Is there a way to disable the Title and Subtitle in Highcharts?
... the title in that case:
without text: http://jsfiddle.net/jlbriggs/JVNjs/284/
with text: http://jsfiddle.net/jlbriggs/JVNjs/286/
title:{
text:''
}
If you want less space than is left in that case, simply set your 'marginTop' to 0
{{edit due to numerous comments:
As pointed out a number ...
How do you push a tag to a remote repository using Git?
...lated branches
It is for those reasons that --tags should be avoided.
Git 2.4 has added the push.followTags option to turn that flag on by default which you can set with:
git config --global push.followTags true
or by adding followTags = true to the [push] section of your ~/.gitconfig file.
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What Computer Science concepts should I know? [closed]
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