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Why does Google prepend while(1); to their JSON responses?
...phic evaluation server-side. At Google scale, that would require a lot of CPU. This sort of offloads it to the client.
– bluesmoon
Feb 5 '13 at 6:10
98
...
How to break out of a loop from inside a switch?
... asked me to make the main loop let other threads (or processes) have some CPU time, two solutions come to mind:
Option #1
Readily insert the pause:
while( isValidState() ) {
execute();
sleep();
}
Option #2
Override execute:
void execute() {
super->execute();
sleep();
}
This code...
凤姐当天使 徐小平胡海泉薛蛮子王刚怎么看？ - 资讯 - 清泛网 - 专注C/C++...
...们投资偏硬技术比较多一点，一般现在的天使碰不到这些问题，你要投硬技术的时候，其实是特别痛苦的一件事，比如说现在天使投资都说人不好，我们就不投了，投硬技术，往往真理就在这个人的手里，他能掌握这个核心技术...
Node.js or Erlang
...ngle-threaded environment. So it's great at dispatching but not so good at CPU-intensive processing. To cover that ground you can fork off another process/thread that runs native C/C++ code. If all you're doing is async IO calls (ex IPC | bi-directional pipes) then node.js should be able to handle t...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...内存到CentralCache里。 解决了ptmalloc2中arena之间不能迁移的问题。
Tcmalloc占用更少的额外空间。例如，分配N个8字节对象可能要使用大约8N * 1.01字节的空间。即，多用百分之一的空间。Ptmalloc2使用最少8字节描述一个chunk。
更快。...
Timeout a command in bash without unnecessary delay
...choose a polling interval. And if you set the polling too low, it will eat CPU with constant signaling, making the tlrbsf run even longer!
– system PAUSE
Mar 27 '09 at 0:28
8
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What is the difference between float and double?
...sion respectively C/C++ long double is far more variable depending on your CPU, compiler and OS. Sometimes it's the same as double, sometimes it's some system-specific extended format, Sometimes it's IEEE quad precision.
– plugwash
Feb 8 '19 at 5:27
...
Are loops really faster in reverse?
...'t be able to optimize as good. Generally, it's limited by architecture or cpu registers that JIT uses. Initializing once and going down simply cleanest solution and that's why it's recommended all over the place.
– Pavel P
Oct 30 '12 at 18:28
...
Fastest way to convert Image to Byte array
...out compression artefacts, pick a lossless format. If you're worried about CPU resources, pick a format which doesn't bother compressing - just raw ARGB pixels, for example. But of course that will lead to a larger byte array.
Note that if you pick a format which does include compression, there's n...
How do I script a “yes” response for installing programs?
...
Be careful with yes as it is known to max out the CPU. stackoverflow.com/a/18164007/720665
– David Salamon
Aug 2 '16 at 9:44
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