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What is the difference between Python's list methods append and extend?
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How to check if a file exists in Documents folder?
...rchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
NSString* foofile = [documentsPath stringByAppendingPathComponent:@"foo.html"];
BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:foofile];
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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+500
Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for t...
How to calculate moving average without keeping the count and data-total?
... MuisMuis
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How to convert date to timestamp?
I want to convert date to timestamp, my input is 26-02-2012 . I used
13 Answers
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pandas GroupBy columns with NaN (missing) values
...ore doing the groupby (e.g. -1):
In [11]: df.fillna(-1)
Out[11]:
a b
0 1 4
1 2 -1
2 3 6
In [12]: df.fillna(-1).groupby('b').sum()
Out[12]:
a
b
-1 2
4 1
6 3
That said, this feels pretty awful hack... perhaps there should be an option to include NaN in groupby (see this g...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...n the following master branch, I need to trash just the commit af5c7bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
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What is the most “pythonic” way to iterate over a list in chunks?
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answered Jan 12 '09 at 4:07
CrazCraz
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how do you push only some of your local git commits?
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edited Mar 3 '09 at 17:25
answered Mar 2 '09 at 23:31
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UIButton: Making the hit area larger than the default hit area
...st use negative numbers.
[button setHitTestEdgeInsets:UIEdgeInsetsMake(-10, -10, -10, -10)];
Note: Remember to import the category (#import "UIButton+Extensions.h") in your classes.
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