大约有 15,000 项符合查询结果（耗时：0.0354秒） [XML]
list.clear() vs list = new ArrayList(); [duplicate]
...me of the list will be in both versions, and
your heap / GC parameters and CPU.
These make it hard to predict which will be better. But my intuition is that the difference will not be that great.
Two bits of advice on optimization:
Don't waste time trying to optimize this ... unless the applic...
Quick and easy file dialog in Python?
...t hangs. I'm still able to type in the terminal, but nothing happens. Also cpu goes to 0% for my program. Any advice?
– Diana
Jul 2 '13 at 20:00
17
...
Divide a number by 3 without using *, /, +, -, % operators
...s you know how the +, -, * and / operators are actually implemented on the CPU: simple bitwise operations.
– craig65535
Jul 27 '12 at 21:55
21
...
What does “yield break;” do in C#?
... thread calling a "schedule" or "sleep" function to give up control of the CPU. Just like a thread, the IEnumerable<T> method regains controls at the point immediately afterward, with all local variables having the same values as they had before control was given up.
yield break is like a th...
Stopping python using ctrl+c
...eeps it around in memory and in your shell, it just prevents it from using CPU resources. Files, sockets, everything is still open and in use. In fact, typing fg will bring it right back.
– RandomInsano
Aug 12 '16 at 14:29
...
How to increase heap size of an android application?
... Not directly, for your app. Having more stuff may cause you to spend more CPU time going through that stuff, but the details there would depend on what you are doing with the memory and is not directly tied to having requested android:largeHeap. However, requesting a large heap may harm the user ex...
The name does not exist in the namespace error in XAML
... With VS2015U2, I still get this issue in x64. Works great in Any CPU. Switching back and forth doesn't work for me.
– DaleyKD
May 13 '16 at 13:53
...
Can you call Directory.GetFiles() with multiple filters?
...ards to number of extensions) and probably somewhere in the range of a few cpu-cycles... If that's the case it's probably - performance wise - negligible
– BatteryBackupUnit
Jul 22 '14 at 12:39
...
How to repeat a string a variable number of times in C++?
...han copying many small blocks? I can think of branch prediction. Regarding CPU cache I am unsure which variant is preferred.
– Florian Kaufmann
Jan 21 '16 at 7:42
...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
... steps for some constant k. It is not really important whether "steps" are CPU cycles, assembly instructions, or (simple) C operations. That details is hidden by the constant k.
– Igor ostrovsky
Oct 20 '09 at 5:44
...