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adding and removing classes in angularJs using ng-click

... You just need to bind a variable into the directive "ng-class" and change it from the controller. Here is an example of how to do this: var app = angular.module("ap",[]); app.controller("con",function($scope){ $scope.class = "red"; $scope.changeClass = function(){ if (...
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Android onCreate or onStartCommand for starting service

Usually when I create an Android service I implement the onCreate method, but in my last project this does not work. I tried implementing onStartCommand , and this seems to work. ...
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?

... Rabbit's queues reside in memory and will therefore be much faster than implementing this in a database. A (good)dedicated message queue should also provide essential queueing related features such as throttling/flow control, and the ability to choose differ...
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git rebase: “error: cannot stat 'file': Permission denied”

I'm using git, and made a small commit followed by a large one. I decided to use git rebase to squash the two commits together before pushing them. (I've never done this before.) ...
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]

...n to date has been that a DbContext is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext . ...
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Array vs. Object efficiency in JavaScript

I have a model with possibly thousands of objects. I was wondering what would be the most efficient way of storing them and retrieving a single object once I have it's id. The id's are long numbers. ...
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Why doesn't git recognize that my file has been changed, therefore git add not working

... trying to push my files to github using bash. They are already on there, and I am uploading a newer version with new lines and code, etc. But when I try git add and then git status it says: ...
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display: inline-block extra margin [duplicate]

I'm working with a few div s that are set to display: inline-block and have a set height and width . In the HTML, if there is a line break after each div there is an automatic 5px margin add to the right and bottom of the div. ...
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Is there a command line utility for rendering GitHub flavored Markdown?

I'm wondering if there is a command line utility for taking a GitHub flavored Markdown file and rendering it to HTML. 25 ...
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How can I get nth element from a list?

...d have. So I think the idea was to allows it for edge cases, but make it stand out as non-idiomatic. – cdosborn Sep 26 '16 at 20:04 3 ...