大约有 30,000 项符合查询结果(耗时:0.0543秒) [XML]

https://stackoverflow.com/ques... 

Is #pragma once part of the C++11 standard?

...ifferent developments, the obvious solution is to generate a lot of random characters for the include guard when you create it. (A good editor can be set up to do this for you whenever you open a new header.) But even without this, I've yet to encounter any problems with conflicts between librarie...
https://stackoverflow.com/ques... 

How to differentiate single click event and double click event?

... see, listening to both events together on the same element will result in extra calls to your click handler. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How can I output a UTF-8 CSV in PHP that Excel will read properly?

... I found that things came out garbled if I started the string as just the BOM, then on another line added the "sep=,\n", then on another line added the data. Things were fine if I did it all in one line ($csv = chr(255) . chr(254) /* BOM */ . "sep=,\n" . mb_convert_encoding($csv,...
https://stackoverflow.com/ques... 

Writing unit tests in Python: How do I start? [closed]

...d to work well. Finally, anyone who uses your code doesn't need to install extra packages. – Jeyekomon Jul 6 '18 at 15:04 ...
https://stackoverflow.com/ques... 

Why would I want stage before committing in Git?

...then you do your work, then you run git add, and then git commit. Why the extra git add step? The secret here is what Git calls, variously, the index, or the staging area, or sometimes—rarely these days—the cache. These are all names for the same thing. Edit: I think I may be confusing the te...
https://stackoverflow.com/ques... 

How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?

... .csproj : error : The operation could not be completed. Invalid class string I can't find any citations for the real cause of that, but I was able to get VS2012RTM to load the project successfully by changing the <ProjectGuid>. (No idea how this happened - its part of a large solution ...
https://stackoverflow.com/ques... 

Is there a 'foreach' function in Python 3?

...nt: // PHP: foreach ($array as $val) { print($val); } // C# foreach (String val in array) { console.writeline(val); } // Python for val in array: print(val) So, yes, there is a "foreach" in python. It's called "for". What you're describing is an "array map" function. This could be ...
https://stackoverflow.com/ques... 

Best way to add Activity to an Android project in Eclipse?

... a "changes to be performed" list. In this list you can see manifest file, strings.xml etc already checked. So, unless you uncheck them, it is added automatically – berkuqo Aug 16 '12 at 8:55 ...
https://stackoverflow.com/ques... 

Remove a folder from git tracking

...th ways. If unselecting, it does not allow to push, but then I changed one char in another file which should be tracked. Still does not help – Darius.V Dec 13 '17 at 13:50 ...
https://stackoverflow.com/ques... 

#pragma once vs include guards? [duplicate]

...inks, network filesystems, and even name collision --try with a file named string.h or something like that--). Not taking into account speed, you could have a script that substituted any, say, %INCLUDE_GUARD% in a file for an automatically-managed guard symbol; you would write headers as header.hpp....