大约有 44,000 项符合查询结果(耗时:0.1216秒) [XML]

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Using switch statement with a range of value in each case?

... This works great and is simple. Also if you want to select numbers not in the range all you need is if(!isBetween... , good job. – a54studio Jul 20 '13 at 13:43 ...
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What is the difference between sigaction and signal?

I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose? ...
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Start thread with member function

...o construct a std::thread with a member function that takes no arguments and returns void . I can't figure out any syntax that works - the compiler complains no matter what. What is the correct way to implement spawn() so that it returns a std::thread that executes test() ? ...
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How to read the content of a file to a string in C?

...least lines of code, however you want to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)? ...
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How can I add remote repositories in Mercurial?

... to mercurial, I would like to use only one tool for my source management. Convert once the repository build the appropriate structures and then only mercurial commands for production. I am kind of aware that both git and mercurial can collaborate but never tried it. – topless ...
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For loop example in MySQL

...ile v_counter < v_max do insert into foo (val) values ( floor(0 + (rand() * 65535)) ); set v_counter=v_counter+1; end while; commit; end # delimiter ; call load_foo_test_data(); select * from foo order by id; ...
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Best way to repeat a character in C#

... string.Concat(Enumerable.Repeat("ab", 2)); Returns "abab" And string.Concat(Enumerable.Repeat("a", 2)); Returns "aa" from... Is there a built-in function to repeat string or char in .net? share ...
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Why malloc+memset is slower than calloc?

...se it can skip memset() entirely. In other cases, calloc() can even cheat and not allocate any memory! However, malloc()+memset() will always do the full amount of work. Understanding this requires a short tour of the memory system. Quick tour of memory There are four main parts here: your prog...
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Export from sqlite to csv using shell script

...ted a shell script that will be able to take the tables from a db file and convert them into csv files. https://github.com/darrentu/convert-db-to-csv Feel free to ask me any questions on my script :) share | ...
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How do I suspend painting for a control and its children?

...ke to completely prevent it from redrawing while I do that - SuspendLayout and ResumeLayout aren't enough. How do I suspend painting for a control and its children? ...