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Can't stop rails server

I am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the ...
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What is the meaning of “$” sign in JavaScript

...from one of the popular JavaScript libraries (jQuery, ProtoType, mooTools, and so on). There's nothing mysterious about the use of $ in JavaScript. $ is simply a valid JavaScript identifier. JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-...
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AngularJS browser autofill workaround by using a directive

When submitting a form in AngularJS and use the browser remember password functionality, and in a subsequent login attempt you let the browser fill in the login form with the username and password, the $scope model won't be changed based on the autofill. ...
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CodeFile vs CodeBehind

What is the difference between CodeFile ="file.ascx.cs" and CodeBehind ="file.ascx.cs" in the declaration of a ASP.NET user control? ...
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Java Persistence / JPA: @Column vs @Basic

What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice? ...
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How to revert a merge commit that's already pushed to remote branch?

git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it. 16 Answers ...
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How to change identity column values programmatically?

... You need to set identity_insert YourTable ON Then delete your row and reinsert it with different identity. Once you have done the insert don't forget to turn identity_insert off set identity_insert YourTable OFF ...
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How do I vertically align something inside a span tag?

...ive web application. As a base I use the approach suggested by Eric Nickus and Felipe Tadeo. If you want to achieve: and this: .container { background: url( "https://i.imgur.com/tAlPtC4.jpg" ) no-repeat; display: inline-block; background-size: 40px 40px; /* image's size */...
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Public Fields versus Automatic Properties

We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world. ...
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Should I test private methods or only public ones? [closed]

... important enough to require its own tests, I just put it in another class and make it public there (Method Object). Then I can easily test the previously-private-but-now-public method that now lives on its own class. share ...