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#pragma pack effect
... @SF.: It can be--but even when it's not, don't be misled--on an x86 CPU (for one obvious example) the operations are carried out in hardware, but you still get roughly the same set of operations and slowdown.
– Jerry Coffin
Jan 12 '16 at 16:12
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Timer function to provide time in nano seconds using C++
...ther...
However this StackOverflow answer https://stackoverflow.com/a/4588605/34329 states that QPC should work fine on any MS OS after Win XP service pack 2.
This article shows that Windows 7 can determine if the processor(s) have an invariant TSC and falls back to an external timer if they don'...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...望去学习新知识的那种动力，可能在大多数的人眼里，php是专为web而生，做wep app是一流的快速好用，并极易简单和容易上手，做起web所需的各项功能可能是分分钟搞定，然后做socket了？可能就觉得不屑一顾了，好像是不务正业...
How do you use gcc to generate assembly code in Intel syntax?
...intel.
It may work on your platform.
For Mac OSX:
clang++ -S -mllvm --x86-asm-syntax=intel test.cpp
Source: https://stackoverflow.com/a/11957826/950427
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
...g an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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How do cache lines work?
... a store-reload has a store-forwarding latency of 4 or 5 cycles on modern x86 CPUs. Things are similar on other architectures.
Further reading: Ulrich Drepper's What Every Programmer Should Know About Memory. The software-prefetch advice is a bit outdated: modern HW prefetchers are smarter, and h...
App Inventor 2 向心力实验App - 探究向心力F与角速度ω、半径r、质量m的关...
... ω²
即：向心力 = 质量 × 半径 × 角速度²
高中物理新课标要求学生通过实验探究向心力，但现有实验器材（手摇向心力演示仪）操作不便、精度低。本App利用手机内置传感器，实现低成本、高精度的向心力探究实验。
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Your build failed due to an error in the AAPT stage, not because of an...
大概率是因为项目名称是中文导致的，换成英文的就ok，这个问题先记录下来，后续fun23.cn平台可以解决。
----------------以下是参考资料-----------
需要注意的事项：该项目已超过 30MB 的最大大小该项目已超出建议的最大 10 个...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...log入门Rsyslog 日志管理 入门在数据为王的时代，日志管理是一个绕不开的话题，相应的开源软件有不少，比如热门的三件套：Logstash、ElasticSearch、Kibana，可惜我对这...在数据为王的时代，日志管理是一个绕不开的话题，相应的开...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...log入门Rsyslog 日志管理 入门在数据为王的时代，日志管理是一个绕不开的话题，相应的开源软件有不少，比如热门的三件套：Logstash、ElasticSearch、Kibana，可惜我对这...在数据为王的时代，日志管理是一个绕不开的话题，相应的开...