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Android Closing Activity Programmatically
...ou press the back button, the activity goes out of view. How can this be called from inside an activity so that it closes itself.
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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
...et the imageEdgeInsets more close to the top, the image stays centered and all works as expected:
26 Answers
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Can an abstract class have a constructor?
...hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will frequently be used to enforce class constraints or invariants such as the minimum fields required to setup the class.
NOTE: As there is no default (or no...
Array Size (Length) in C#
...ts out in the comments, there is a concept of a "jagged array", which is really nothing more than a single-dimensional array of (typically single-dimensional) arrays.
For example, one could have the following:
int[][] c = new int[3][];
c[0] = new int[] {1, 2, 3};
c[1] = new int[] {3, 14};
c[2] = ...
How to get maximum value from the Collection (for example ArrayList)?
...f the given collection, according to the natural ordering of its elements. All elements in the collection must implement the Comparable interface.
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SSO with CAS or OAuth?
...and in implementation.
CAS centralizes authentication. Use it if you want all your (probably internal) applications to ask users to login to a single server (all applications are configured to point to a single CAS server).
OpenID decentralizes authentication. Use it if you want your application t...
What do these words mean in Git: Repository, fork, branch, clone, track?
I'm honestly not clear on the semantics here. They're all about copies/variants of a code+history unit, but past that I'm not sure I could say. Is this logical structure explained somewhere?
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How to test multiple variables against a value?
...lish sentence and guess that you are talking about the same comparison for all names here. You are looking for:
if x == 1 or y == 1 or z == 1:
x and y are otherwise evaluated on their own (False if 0, True otherwise).
You can shorten that using a containment test against a tuple:
if 1 in (x, y,...
Are there any style options for the HTML5 Date picker?
I am really stoked about the HTML5 date picker. It is refreshing to know that the W3C is finally picking up some of the slack so we don't have to keep re-inventing such a common form of input.
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Static linking vs dynamic linking
...prove your product without requiring you to ship anything.
Plugins always call for dynamic linking.
Static linking, means that you can know the code will run in very limited environments (early in the boot process, or in rescue mode).
Static linking can make binaries easier to distribute to diverse ...