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Should I use char** argv or char* argv[]?
... says: argv is a non-null pointer pointing to at least 5 char*'s
// allows CPU to pre-load some memory.
int main(int c, char *argv[static 5]);
// says: argv is a constant pointer pointing to a char*
int main(int c, char *argv[const]);
// says the same as the previous one
int main(int c, char ** c...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...运行效果如下图：
（PS：不知道大家有没有碰到过这个问题,MENUINFO结构未定义，解决的方法是进入文件选项卡（FileView),在Source File文件下的StdAfx.cpp文件里的最前面部分添加这个语句：#define WINVER 0x0501）
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CMen...
Why doesn't .NET/C# optimize for tail-call recursion?
...what I know.
Sometimes tailcall is a performance win-win. It can save CPU. jmp is
cheaper than call/ret It can save stack. Touching less stack makes for
better locality.
Sometimes tailcall is a performance loss, stack win.
The CLR has a complex mechanism in which to pass more paramet...
Pandas read_csv low_memory and dtype options
...loading (but none after loading is complete) and theoretically saving some cpu cycles (which you won't notice since disk I/O will be the bottleneck.
– firelynx
Sep 1 '16 at 11:22
5...
How to send an object from one Android Activity to another using Intents?
...ne process you're mucking about in. reasons why it's not good: memory use, cpu use, battery use. the last one especially made the design choices with intents quite perplexing in hindsight. there are people who insist that they're a good idea, usually because "google said so".
–...
Is there a way to access an iteration-counter in Java's for-each loop?
... invoke constructor, scan sooner with GC and finalize. This not only loads CPU but also invalidates the cache all the time. Nothing like this is necessary for local variables. Why do you say that this is "the same"?
– Val
Sep 1 '13 at 14:03
...
How do I debug error ECONNRESET in Node.js?
... if this? like socket.close() inside the error handler? because i think my CPU load is increasing after these errors (not sure)
– Samson
Jul 23 '13 at 9:49
2
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How can I truncate a datetime in SQL Server?
.../update time, or maintained in application logic. Get this index-breaking, cpu-heavy work off your database.
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When do I really need to use atomic instead of bool? [duplicate]
...will work in a similar way for bool and atomic<bool>. But multi-core CPU and missed memory barrier is something that will happen with nearly 100% chance for any modern application and hardware
– Ezh
Sep 2 '18 at 9:53
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WPF TemplateBinding vs RelativeSource TemplatedParent
...elative since the binding operation takes very little of the application's cpu. If you were blasting control templates around at high speed you might notice it.
As a matter of practice use the TemplateBinding when you can but don't fear the Binding.
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