大约有 8,300 项符合查询结果(耗时:0.0523秒) [XML]

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How can I rename a field for all documents in MongoDB?

... Just a word for if you are banging your head against the wall because nothing is mass updated: the false, true in the update method of the $rename version are: { upsert:false, multi:true }. You need the multi:true to update all your...
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AngularJS ng-repeat handle empty list case

...t;ul> <li ng-repeat="item in filteredItems = (items | filter:keyword)"> ... </li> </ul> <div ng-hide="filteredItems.length">No items found</div> share | ...
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IntelliJ: Working on multiple projects

... A picture is worth a thousand words. – Neeraj Jain Sep 11 '18 at 10:11 3 ...
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How do I move an issue on github to another repo?

...sed issues closed or import labels or milestones. Just update username/password and remove reference to colored. – Alexandre Mar 11 '13 at 19:15 3 ...
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How to write a bash script that takes optional input arguments?

...nsion [emphasis mine]: If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted. If you only want to substitute a default value if the parameter is unset (but not if it's null, e.g. not if it's an empty string), use this syntax inste...
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fatal error: Python.h: No such file or directory

...'s version accordingly): -I/usr/include/python2.7 -lpython2.7 In other words your compile command ought to be: gcc -Wall -I/usr/include/python2.7 -lpython2.7 utilsmodule.c -o Utilc share | i...
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Empty set literal?

...new object, you should use clear(). I suppose my comment should have been worded slightly differently. – Brian Minton Feb 5 '14 at 18:34 ...
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What is the purpose of double curly braces in React's JSX syntax?

... I try to tell it in simple words to be understandable for everyone. The below code: <span dangerouslySetInnerHTML={{__html: rawMarkup}} /> is equal to <span dangerouslySetInnerHTML={ {__html: rawMarkup} } /> So, simply we should...
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What is the C# Using block and why should I use it? [duplicate]

... Dispose method, which should release the object's resources. In other words, the using statement tells .NET to release the object specified in the using block once it is no longer needed. share | ...
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How to know that a string starts/ends with a specific string in jQuery?

...for a string that does not appear in the string and that has the length = (word - 1). E. g. ("1234".lastIndexOf('Hello') == "1234".length - 'Hello'.length) results in true. – Nick Russler Nov 6 '17 at 14:58 ...