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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...
What is an Android PendingIntent?
...ger, Home Screen AppWidgetManager, or other 3rd party applications), which allows the foreign application to use your application's permissions to execute a predefined piece of code.
If you give the foreign application an Intent, it will execute your Intent with its own permissions. But if you give...
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
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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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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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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 '...
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...
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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“Instantiating” a List in Java? [duplicate]
...ArrayList is a concrete class that happens to implement this interface and all of the methods in it.
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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...