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UICollectionView current visible cell index
... Can you please elaborate on where self.mainImageCollection comes from? Many thanx in advance for your further detail.
– Benjamin McFerren
Jun 1 '14 at 21:57
...
Undefined, unspecified and implementation-defined behavior
...cts of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in a predictable way, even though many C++ compilers will not report any errors in the program!...
Same Navigation Drawer in different Activities
...implementing-navigation/nav-drawer.html
You can also download sample code from this tutorial, to see how you can do this.
Without fragments:
This is your BaseActivity Code:
public class BaseActivity extends Activity
{
public DrawerLayout drawerLayout;
public ListView drawerList;
pu...
Convert SVG to PNG in Python
... its own? I've looked into the *.svg file, to extract the HEIGHT and WIDTH from there, but it is both set to 100%. Of course, I can look into the properties of the picture, but since this is only one step in image processing this is not what I want.
– quapka
J...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...
From what I can tell, there is no difference between hdfs dfs and hadoop fs. They're simply different naming conventions based on which version of Hadoop you're using. For example, the notes in 1.2.1 use hdfs dfs while 0.19 u...
How to get current moment in ISO 8601 format with date, hour, and minute?
...ch also has an Android port.
Both are lighter than Joda, and has learned from Joda's experience - esp. considering that java.time is designed by Joda's author.
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The tilde operator in Python
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It is a unary operator (taking a single argument) that is borrowed from C, where all data types are just different ways of interpreting bytes. It is the "invert" or "complement" operation, in which all the bits of the input data are reversed.
In Python, for integers, the bits of the twos-c...
How can I tell who forked my repository on GitHub?
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Clicking the number of forks shows you the full network. From there you can click "members" to see who forked the repo. Example for ExpressJS: https://github.com/visionmedia/express/network/members.
share...
How can I delete a query string parameter in JavaScript?
Is there better way to delete a parameter from a query string in a URL string in standard JavaScript other than by using a regular expression?
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Catch a thread's exception in the caller thread in Python
...oversimplifying this, because this seems sufficient for most things to me.
from threading import Thread
class PropagatingThread(Thread):
def run(self):
self.exc = None
try:
if hasattr(self, '_Thread__target'):
# Thread uses name mangling prior to Pyth...