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When is del useful in python?
...t have a similar keyword). For instance, rather than deleting a variable, one could just assign None to it. And when deleting from a dictionary, a del method could be added.
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How do I install Maven with Yum?
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just replace the path you pass to wget with one you get from maven.apache.org/download.cgi
– Ali
Mar 11 '14 at 15:18
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Scatterplot with too many points
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One way to deal with this is with alpha blending, which makes each point slightly transparent. So regions appear darker that have more point plotted on them.
This is easy to do in ggplot2:
df <- data.frame(x = rnorm(5000...
Git rebase --continue complains even when all merge conflicts have been resolved
...nch you rebased on. Now when you add the file, it will be exactly like the one you tried to rebase on. git status will show no green line displaying the modified files. Now, if you do
git rebase --continue
git will complain with
No changes - did you forget to use 'git add'?
What git actual...
Stashing only staged changes in git - is it possible?
...Now if you need unstaged files before stash, simply apply first stash (the one created with --keep-index) and now you can remove files you stashed to "good stash".
Enjoy
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Why can't decimal numbers be represented exactly in binary?
...l maximum size of an array. This is an entirely separate point to the main one of this answer, however. Even if you had a genuinely arbitrarily large number of bits to play with, you still couldn't represent decimal 0.1 exactly in a floating binary point representation. Compare that with the other w...
How to sign an android apk file
... build tool and had to use my previous keystore, not their newly generated one. Only thing i was missing was ZIP ALIGNing the apk, so if anybody has the same problem, go here stackoverflow.com/a/22682132/826194
– Larzan
Oct 30 '14 at 16:04
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GridView VS GridLayout in Android Apps
...s its data from a ListAdapter, the only data loaded in memory will be the one displayed on screen.
GridViews, much like ListViews reuse and recycle their views for better performance.
Whereas a GridLayout is a layout that places its children in a rectangular grid.
It was introduced in API level 1...
Get difference between two lists
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The existing solutions all offer either one or the other of:
Faster than O(n*m) performance.
Preserve order of input list.
But so far no solution has both. If you want both, try this:
s = set(temp2)
temp3 = [x for x in temp1 if x not in s]
Performance test
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Android: Expand/collapse animation
... if(interpolatedTime == 1){
v.setVisibility(View.GONE);
}else{
v.getLayoutParams().height = initialHeight - (int)(initialHeight * interpolatedTime);
v.requestLayout();
}
}
@Override
public boole...