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Check for null in foreach loop

...> in the answer you link to. Which have the same performance penalty of testing whether the enumerable is null. – Rune FS May 3 '19 at 9:36 ...
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linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... co 2、往版本库中添加新的文件 svn add file 例如:svn add test.php(添加test.php) svn add *.php(添加当前目录下所有的php文件) 3、将改动的文件提交到版本库 svn commit -m “LogMessage“ [-N] [--no-unlock] PATH(如果选择了保持锁,就使用–no-...
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Is it better practice to use String.format over string Concatenation in Java?

... @MartinSchröder: If you run javap -c StringTest.class you'll see that the compiler converts "+" to StringBuilder automatically only if you are not in a loop. If the concatenation is all done on a single line it's the same as using '+', but if you use myString += "more...
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What is the point of a “Build Server”? [closed]

...traceable. Developers manually building code for anything except their own testing is dangerous. Too much risk of stuff not getting checked in, being out of date with other people's changes, etc. etc. Joel Spolsky on this matter. ...
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Trim spaces from start and end of string

..., ''); for (var i = str.length - 1; i >= 0; i--) { if (/\S/.test(str.charAt(i))) { str = str.substring(0, i + 1); break; } } return str; } "if you want to handle long strings exceptionally fast in all browsers". References blog.stevenlevith...
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How do you diff a directory for only files of a specific type?

...ER += lib FOLDER += Image FOLDER += models OPTIONS = Naur patch: rm test.patch diff -$(OPTIONS) \ $(foreach element, $(SUFFIX) , -x '*.$(element)') \ $(foreach element, $(FOLDER) , -x '$(element)*') \ org/ new/ > test.patch unpatch: rm test.unpatch diff -$(O...
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WebAPI Multiple Put/Post parameters

... Thank you, I have tried your solution by creating my own API and testing it through Postman and it is working fine;But I have added a fourth parameter like var test= {"Name" : "test" } and added it to myData object and it was sent successfully; is there anyway to avoid this and to restrict...
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)

... It's my understanding that it's best practice to not test error in these cases, but instead to test if the return value is nil or not before returning. i.e. return json ?: nil; Minor nitpick, but worth mentioning, I think. – Mike Jan ...
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Check that an email address is valid on iOS [duplicate]

... = stricterFilter ? stricterFilterString : laxString; NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex]; return [emailTest evaluateWithObject:checkString]; } Discussion on Lax vs. Strict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-addre...
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Bootstrap: Open Another Modal in Modal

...ut truly stacks on top of it. It preserves scrolling behavior correctly. Tested in Bootstrap 3. For modals to stack as expected, you need to have them ordered in your Html markup from lowest to highest. $(document).on('hidden.bs.modal', function (event) { if ($('.modal:visible').length) {...