大约有 40,000 项符合查询结果(耗时:0.0452秒) [XML]

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Can someone explain collection_select to me in clear, simple terms?

...order(..) or something like that. # In your example it is: Author.all, # then you should specify methods for generating options :id, # this is name of method that will be called for every row, result will be set as key :name_with_initial, # this is name of method that will be ...
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git revert back to certain commit [duplicate]

how do i revert all my files on my local copy back to a certain commit? 3 Answers 3 ...
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JQuery - $ is not defined

...ge is fully loaded, and as such, before jQuery is fully loaded. First of all, ensure, what script is call properly, it should looks like <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script> and shouldn't have attributes async...
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Why both no-cache and no-store should be used in HTTP response?

...ce is still valid then the cache can respond with its representation, thus alleviating the need for the server to resend the entire resource. no-store is effectively the full do not cache directive and is intended to prevent storage of the representation in any form of cache whatsoever. I say what...
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Postgres: INSERT if does not exist already

... if one modifies the table such that more columns are unique. In that case all the scripts must be modified. It would be nice if there was a more generic way to do this... – Willem Van Onsem Aug 1 '14 at 13:17 ...
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Git blame — prior commits?

...he other answer), it is a better way of this solution, as you won't potentially misblame the other lines. share | improve this answer | follow | ...
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How to make input type= file Should accept only pdf and xls

... You could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type on the server side (your second question). Ex...
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Is there a way to make AngularJS load partials in the beginning and not at when needed?

...cs.angularjs.org/api/ng.directive:script) to put your partials in the initially loaded HTML You could also fill in $templateCache (http://docs.angularjs.org/api/ng.$templateCache) from JavaScript if needed (possibly based on result of $http call) If you would like to use method (2) to fill in $tem...
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Grep only the first match and stop

...two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/ 5...
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AngularJS - Create a directive that uses ng-model

...se Angular so I'm not in a good position to make improvements. It's actually pretty good logic but you can simplify things a bit. Directive var app = angular.module('plunker', []); app.controller('MainCtrl', function($scope) { $scope.model = { name: 'World' }; $scope.name = "Felipe"; }); ...