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It is more efficient to use if-return-return or if-else-return?
... either the A+1 or the A-1 calculation, then store the result of that in a CPU register or on the stack.
EDIT :
Sources:
MISRA-C:2004 rule 14.7, which in turn cites...:
IEC 61508-3. Part 3, table B.9.
IEC 61508-7. C.2.9.
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Does “display:none” prevent an image from loading?
...of your browser's developer tools.
Note that if the browser is on a small CPU computer, not having to render the image (and layout the page) will make the whole rendering operation faster but I doubt this is something that really makes sense today.
If you want to prevent the image from loading you...
Remote debugging with Android emulator
...? I'm sick and tired of the emulator constantly eating half of my laptop's CPU.
8 Answers
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A clean, lightweight alternative to Python's twisted? [closed]
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None of these solutions will avoid that fact that the GIL prevents CPU parallelism - they are just better ways of getting IO parallelism that you already have with threads. If you think you can do better IO, by all means pursue one of these, but if your bottleneck is in processing the resul...
What platforms have something other than 8-bit char?
....
For instance, most early-90s developers assumed that a particular no-op CPU timing delay taking a fixed number of cycles would take a fixed amount of clock time, because most consumer CPUs were roughly equivalent in power. Unfortunately, computers got faster very quickly. This spawned the rise of...
Increasing the maximum number of TCP/IP connections in Linux
...ique allows me to use large data packets, reduce fragmentation, reduces my CPU utilization both in the user land and at kernel-level.
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...个窗口发的(当然可以用参数进行约定)。
如何解决这个问题？
有几种思路：1.重写ON_MESSAGE宏，增加ID的限制；2.模拟按钮单击消息；3.自定义WM_NOTIFY消息。基于这些思路都不能修改MFC底层的代码。
用调试的方式查看MFC的实现代...
Performance of Arrays vs. Lists
...e.
The bounds checking is often no big deal (especially if you are on a cpu with a deep pipeline and branch prediction - the norm for most these days) but only your own profiling can tell you if that is an issue.
If you are in parts of your code where you are avoiding heap allocations (good exam...
How to turn on front flash light programmatically in Android?
... for flashlight. It is possible that you can reduce power consumption and CPU load with camera2, though, as you don't need to keep an active preview to enable flashlight.
– Eddy Talvala
Jan 22 '15 at 5:32
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NumPy: function for simultaneous max() and min()
...ngle pass would be advantageous if the array exceed the size of the larger cpu caches.
– jtaylor
Mar 7 '14 at 13:58
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