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Why should I use document based database instead of relational database?

...obvious answer is you should use it if your data isn't relational. This usually manifests itself in having no easy way to describe your data as a set of columns. A good example is a database where you actually store paper documents, e.g. by scanning office mail. The data is the scanned PDF and you h...
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Can we define implicit conversions of enums in c#?

... Isn't it basically re-implemented Java enum? – Agent_L Mar 21 '16 at 15:20 2 ...
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android pick images from gallery

I want to create a picture chooser from gallery. I use code 9 Answers 9 ...
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How to do a less than or equal to filter in Django queryset?

I am attempting to filter users by a custom field in each users profile called profile. This field is called level and is an integer between 0-3. ...
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Pass in an array of Deferreds to $.when()

... To pass an array of values to any function that normally expects them to be separate parameters, use Function.prototype.apply, so in this case you need: $.when.apply($, my_array).then( ___ ); See http://jsfiddle.net/YNGcm/21/ In ES6, you can use the ... spread operator ins...
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Simple insecure two-way data “obfuscation”?

...e to figure out your keys by just assuming that you used this code as-is! All you have to do is change some of the numbers (must be <= 255) in the Key and Vector arrays (I left one invalid value in the Vector array to make sure you do this...). You can use https://www.random.org/bytes/ to gener...
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How to set an iframe src attribute from a variable in AngularJS

...roller and trustAsResourceUrl the url there. In the controller: function AppCtrl($scope, $sce) { // ... $scope.setProject = function (id) { $scope.currentProject = $scope.projects[id]; $scope.currentProjectUrl = $sce.trustAsResourceUrl($scope.currentProject.url); } } In t...
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Scala best way of turning a Collection into a Map-by-key?

...unction seems to assume that I already have a tuple (m,s), which I don't really get – oxbow_lakes Mar 24 '09 at 22:33 2 ...
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How are GCC and g++ bootstrapped?

...ilt (optional) repeat step 2 for verification purposes. This process is called bootstrapping. It tests the compiler's capability of compiling itself and makes sure that the resulting compiler is built with all the optimizations that it itself implements. EDIT: Drew Dormann, in the comments, point...
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Changing password with Oracle SQL Developer

... answered Feb 4 '13 at 22:21 NiallNiall 1,06911 gold badge77 silver badges33 bronze badges ...