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Difference between an application server and a servlet container?
...nd that implements one Java EE specification (Java EE 7 for example). That means such software (application server) must be able to run Java EE application.
Java EE defines 4 domains, the so called containers:
Applet container,
Application client container,
Web container, and
EJB container.
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What's the difference between detaching a Fragment and removing it?
...ent from the UI, but its state is maintained by the Fragment Manager. This means you can reuse this fragment by calling the attach method, with a modified ViewHierarchy
Remove means the fragment instance cannot be re-attached. You will have to add it again to the fragment transaction.
Source Comme...
Hibernate Annotations - Which is better, field or property access?
... persists an object - well, it is persisting the STATE of the object. That means storing it in a way that it can be easily reproduced.
What is encapsulation? Encapsulations means encapsulating the data (or state) with an interface that the application/client can use to access the data safely - kee...
Git “error: The branch 'x' is not fully merged”
...to the commments. Thanks @slekse
That is not an error, it is a warning. It means the branch you are about to delete contains commits that are not reachable from any of: its upstream branch, or HEAD (currently checked out revision). In other words, when you might lose commits¹.
In practice it means ...
Android: Bitmaps loaded from gallery are rotated in ImageView
...nt(ExifInterface.TAG_ORIENTATION, 1);
Here's what the orientation values mean:
http://sylvana.net/jpegcrop/exif_orientation.html
So, the most important values are 3, 6 and 8.
If the orientation is ExifInterface.ORIENTATION_ROTATE_90 (which is 6), for example, you can rotate the image like this:
...
What is the bower (and npm) version syntax?
...right ways to publish API's, which will help to understand what the syntax means. Crucially:
Once you identify your public API, you communicate changes to it with specific increments to your version number. Consider a version format of X.Y.Z (Major.Minor.Patch). Bug fixes not affecting the API ...
difference between css height : 100% vs height : auto
... 100% gives the element 100% height of its parent container.
height: auto means the element height will depend upon the height of its children.
Consider these examples:
height: 100%
<div style="height: 50px">
<div id="innerDiv" style="height: 100%">
</div>
</div>
...
How do you exit from a void function in C++?
...
Aha, so when we write return; not returning anything means returning void itself eh? void means nothing anyway!! Hmm I get it now.
– quantum231
Jul 18 '12 at 18:40
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What is an uber jar?
...e as ultrageek, superman, hyperspace, and metadata, which all have similar meanings of "beyond the normal".
The advantage is that you can distribute your uber-jar and not care at all whether or not dependencies are installed at the destination, as your uber-jar actually has no dependencies.
All th...
git add . vs git commit -a
...
git commit -a means almost[*] the same thing as git add -u && git commit.
It's not the same as git add . as this would add untracked files that aren't being ignored, git add -u only stages changes (including deletions) to already ...