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实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...并为其指定一个名称。开启缓存非常有用，可以有效降低CPU的负载，并且防止502错误的发生，但是开启缓存也会引起很多问题，要视具体情况而定。
fastcgi_cache_valid、fastcgi用来指定应答代码的缓存时间，实例中的值表示将200和30...
How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...erformance difference. If the object you are returning doesn't fit into a CPU register, then you are doing an expensive copy operation. This is fine if you need to use the pre-incremented value, but if you don't, postfix is much better. An example would be an iterator where you typically use: for...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...nection - is very inefficient in terms of RAM (1mb+ per thread) as well as CPU, as those threads will just idle or worse - infinite loop of checking for data.
– moka
May 13 '14 at 14:49
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What is the JavaScript convention for no operation?
...rs seem to do nothing to execute the noop defined this way (and hence save CPU cycles), there might be some performance issues associated with this (as is also mentioned by others in comments or in other answers).
However, that being said, you can easily define your own noop function and, infact, m...
How to pull specific directory with git
...ld be required: git checkout HEAD -- --help
– Tim Visée
Dec 1 '17 at 10:07
add a comment
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Return multiple values in JavaScript?
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@AurélienOoms I realized later. Thanks
– Meredith
Dec 31 '13 at 17:24
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How to recursively find and list the latest modified files in a directory with subdirectories and ti
...r2570243's solution is best for big filesystems.
– Stéphane Gourichon
Dec 14 '17 at 18:38
IFS=$'\n' isn't safe in any...
.Net picking wrong referenced assembly version
...crosoft.com/en-us/library/0ash1ksb.aspx
– Junior Mayhé
Apr 4 '12 at 18:53
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Thanks Chris! You s...
When to use reinterpret_cast?
...ic_cast stands for.
On the other hand, when you call reinterpret_cast the CPU does not invoke any calculations. It just treats a set of bits in the memory like if it had another type. So when you convert int* to float* with this keyword, the new value (after pointer dereferecing) has nothing to do ...
How does Java Garbage Collection work with Circular References?
...e "root" set of places that are always considered "reachable", such as the CPU registers, stack, and global variables. It works by finding any pointers in those areas, and recursively finding everything they point at. Once it's found all that, everything else is garbage.
There are, of course, quite...