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What do < and > stand for?
I know that the entities &lt; and &gt; are used for < and > , but I am curious what these names stand for.
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ich then bubbles up through onActivityResult() to additionally destroy C and B.
13 Answers
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What is the method for converting radians to degrees?
I run into this occasionally and always forget how to do it.
12 Answers
12
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What's the effect of adding 'return false' to a click event listener?
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The return value of an event handler determines whether or not the default browser behaviour should take place as well. In the case of clicking on links, this would be following the link, but the difference is most noticeable in form submit handlers, whe...
Merge PDF files
...splitting documents page by page,
* merging documents page by page,
(and much more)
Here's a sample program that works with both versions.
#!/usr/bin/env python
import sys
try:
from PyPDF2 import PdfFileReader, PdfFileWriter
except ImportError:
from pyPdf import PdfFileReader, PdfFil...
Prevent text selection after double click
I'm handling the dblclick event on a span in my web app. A side-effect is that the double click selects text on the page. How can I prevent this selection from happening?
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Correct way to define Python source code encoding
...coding: <encoding-name> -*-
which is recognized also by GNU Emacs, and
# vim:fileencoding=<encoding-name>
which is recognized by Bram Moolenaar’s VIM."
So, you can put pretty much anything before the "coding" part, but stick to "coding" (with no prefix) if you want to be 100% pyt...
Renaming xcode 4 project and the actual folder
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You can do this from within Xcode without resorting to hand editing the pbxproj file in a text editor!
Here's how:
Rename your source folder in the Finder. This will break the project initially because Xcode doesn't automatically detect when the real folders that the virtual (y...
Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...ontroller means that even when its view is removed from the view hierarchy and released to save memory, through which the subviews are also released by the view, they will not actually be deallocated because the UIViewController itself still contains its own outstanding retaining references to those...