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Nginx与Lua - 更多技术 - 清泛网 - 专注C/C++及内核技术

... shell> ldd /path/to/nginx libluajit-<VERSION>.so => not found 此类问题通常使用ldconfig命令就能解决: shell> echo "/usr/local/lib" > /etc/ld.so.conf.d/usr_local_lib.conf shell> ldconfig 再试着启动Nginx看看,应该就OK了。 应用 我们先用一个简单的程序...
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When to prefer JSON over XML?

...erate with environments that don't support JSON Favor JSON over XML when all of these are true: Messages don't need to be validated, or validating their deserialization is simple You're not transforming messages, or transforming their deserialization is simple Your messages are mostly data, not ...
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How is Python's List Implemented?

...dynamic array. Practical proof: Indexing takes (of course with extremely small differences (0.0013 µsecs!)) the same time regardless of index: ...&gt;python -m timeit --setup="x = [None]*1000" "x[500]" 10000000 loops, best of 3: 0.0579 usec per loop ...&gt;python -m timeit --setup="x = [None]*100...
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Utilizing multi core for tar+gzip/bzip compression/decompression

I normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit). 6 Answers ...
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Quickly create large file on a Windows system

... Just want to check if this is a sparse file or does the file actually have data in it? – slolife Jun 2 '11 at 17:35 2 ...
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“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术

...章(我的hello world)、环境搭建成功后的第一个测试… 问题的提出 相传古时候有个退休的程序员,在家闲来无事,决定修习书法之道。第一日,备好笔墨纸砚,便挥毫写下一行大字:“hello, world”。 学过编程语言的人都笑了...
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php array为空的判断 - C/C++ - 清泛网 - 专注C/C++及内核技术

...这两种方法足以应对简单数组和多维数组是否为空的判断问题,个人一般用empty()来做数组非空判断,这样感觉代码看起来更容易理解。 转自: http://www.lutuzhi.com/theweb/433.html php array 数组 为空判断
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c/c++ volatile和mutable关键字 - C/C++ - 清泛网 - 专注C/C++及内核技术

...automatic variables) 3) 多线程应用中被几个任务共享的变量 问题: 1)一个参数既可以是const还可以是volatile吗?解释为什么。 2); 一个指针可以是volatile 吗?解释为什么。 3); 下面的函数有什么错误: int square(volatile int *ptr) { ...
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WhatsApp比微信好在哪里? - 资讯 - 清泛网 - 专注C/C++及内核技术

...免费”,而“增值服务”收费,但是这种商业模式带来的问题是,一个越来越庞大臃肿的应用,一个越来越脱离其核心功能的应用。 总结 可见,WhatsApp成功的一大因素就是“专注”,坚持其工具属性,因为是付费应用,因此就...
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Mac OS X Git安装教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...不是很熟悉命令行,可以使用之前的方法安装。如果没有问题,开始吧。 下载并解压 Git 源代码: $ curl -O http://kernel.org/pub/software/scm/git/git-1.7.5.tar.bz2 $ tar xzvf git-1.7.5 打开目录,编译 Git: $ cd git-1.7.5 $ ./configure --...