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Refactoring in Vim

...g but I may try to do it when editing some one else's source. How do you accomplish such a trivial task across multiple files in Vim? ...
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Bootstrap 3 Navbar Collapse

...lem today. Bootstrap 4 It's a native functionality: https://getbootstrap.com/docs/4.0/components/navbar/#responsive-behaviors You have to use .navbar-expand{-sm|-md|-lg|-xl} classes: <nav class="navbar navbar-expand-md navbar-light bg-light"> Bootstrap 3 @media (max-width: 991px) { ...
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Regular Expressions: Is there an AND operator?

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Why aren't superclass __init__ methods automatically invoked?

...ribing the method resolution order in case of multiple inheritance: http://www.python.org/download/releases/2.3/mro/ If constructors were called automatically, you'd need another page of at least the same length explaining the order of that happening. That would be hell... ...
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Difference between null and empty (“”) Java String

...he difference you are wondering about is == versus equals, it's this: == compares references, like if I went String a = new String(""); String b = new String(""); System.out.println(a==b); That would output false because I allocated two different objects, and a and b point to different objects....
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presentViewController:animated:YES view will not appear until user taps again

I'm getting some strange behaviour with presentViewController:animated:completion . What I'm making is essentially a guessing game. ...
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Automatically resize jQuery UI dialog to the width of the content loaded by ajax

...y head tag: <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script> <script type="text/javascript" src="jquery-ui.min.js"></script> <link href="jquery-ui.css" rel="stylesheet" type="text/css" /> <script type="te...
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How to concatenate string variables in Bash

In PHP, strings are concatenated together as follows: 30 Answers 30 ...
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rvm installation not working: “RVM is not a function”

...terminal after this setting the flag. Sometimes it is required to set the command to /bin/bash --login. For remote connections it is important to understand the differene between running interactive ssh session and executing single commands. While running ssh server and then working with the se...
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How do I fit an image (img) inside a div and keep the aspect ratio?

... is much simpler and it doesn't use Javascript. I don't know about browser compatibility though. – weberc2 Jun 3 '12 at 21:13 3 ...