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C fopen vs open
...ts, fgetc, fscanf, fread) , will always read the whole size of the buffer (4K, 8K or whatever you set). By using the direct I/O you can avoid that. In that case it's even better to use pread instead of a seek/read pair (1 syscall instead of 2).
– Patrick Schlüter
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How to keep indent for second line in ordered lists via CSS?
...osition: absolute on the generated content. See jsfiddle.net/maryisdead/kgr4k for an example.
– maryisdead
Apr 24 '14 at 8:54
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C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...priority_queue 模板类有三个模板参数，第一个是元素类型，第二个容器类型，第三个是比较算子。其中后两个都可以省略，默认容器为vector，默认算子为less，即小的往前排，大的往后排（出队时序列尾的元素出队）。
定义priority_...
Comparing two dictionaries and checking how many (key, value) pairs are equal
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@THC4k, sorry for not mentioning. But I have to check how many values match in both the dictionaries.
– user225312
Dec 24 '10 at 19:13
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Constructors in Go
... edited Sep 15 '18 at 22:19
c4k
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answered Jan 25 '18 at 15:49
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How can I set the WiX installer version to the current build version?
...answered Jul 29 '15 at 17:32
K0D4K0D4
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How big can a user agent string get?
...ceeds.
Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers).
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...行组成，使用的结果是这些运行的最短时间，用于测试的第二次迭代。
测试程序在自己的 CPU 上运行，具有实时优先级，以实现稳定的计时。
第一个基准：没有超时，100 和 1000 个活动客户端
事不宜迟，以下是结果：
左...
Quickly create a large file on a Linux system
...ed by the VM "create" GUIs). E.g:
dd if=/dev/zero of=./gentoo_root.img bs=4k iflag=fullblock,count_bytes count=10G
truncate is another choice -- and is likely the fastest... But that is because it creates a "sparse file". Essentially, a sparse file is a section of disk that has a lot of the same ...
How do you add swap to an EC2 instance?
...vd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 637952 kB
DirectMap2M: 0 kB
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