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javascript regex - look behind alternative?

...ook ahead is available since version 1.5 of javascript and is supported by all major browsers Updated to match filename2.js and 2filename.js but not filename.js (^(?!filename\.js$).).+\.js share | ...
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What does auto do in margin:0 auto?

...e object that you have applied margin: 0 auto to, the object will sit centrally within it's parent container. Specifying auto as the second parameter basically tells the browser to automatically determine the left and right margins itself, which it does by setting them equally. It guarantees that t...
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Responsive image align center bootstrap 3

...When displayed on tablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem? ...
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Should methods in a Java interface be declared with or without a public access modifier?

...bove was for Java 7 at the time I read it. After the comments about Java 9 allowing non-public methods, I just wanted to confirm that very similar wording is still there for SE9 JLS. (public part is same, and/or abstract part has been dropped) – OzgurH Feb 20 '...
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Android Studio rendering problems

I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout. ...
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How do you manage your gists on GitHub? [closed]

...rch my gist by tags via user:myusername #tag. For offline usage, I cloned all my gists. And use find and grep to search them. I also search them with gonzui (open source code search engine). I've written a shell script: gister.sh. I use it to post gists. It will clone the repo to local and imp...
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Where does R store packages?

The install.packages() function in R is the automatic unzipping utility that gets and install packages in R. 4 Answers ...
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Passing enum or object through an intent (the best solution)

...This is an old question, but everybody fails to mention that Enums are actually Serializable and therefore can perfectly be added to an Intent as an extra. Like this: public enum AwesomeEnum { SOMETHING, OTHER; } intent.putExtra("AwesomeEnum", AwesomeEnum.SOMETHING); AwesomeEnum result = (Aweso...
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CSS :not(:last-child):after selector

... If it's a problem with the not selector, you can set all of them and override the last one li:after { content: ' |'; } li:last-child:after { content: ''; } or if you can use before, no need for last-child li+li:before { content: '| '; } ...
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“Instantiating” a List in Java? [duplicate]

...ArrayList is a concrete class that happens to implement this interface and all of the methods in it. share | improve this answer | follow | ...