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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
..., the same works for hex values. as sometimes we get the colors as hex, in order to not calculate them by hand we can use: for example for #C94557 it would be: [UIColor colorWithRed:(CGFloat)0xC9/0xFF green:(CGFloat)0x45/0xFF blue:(CGFloat)0x57/0xFF alpha:1.0];
– memical
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Dump a NumPy array into a csv file
...ndas again helps. You can do: pd.DataFrame(out, columns=['col1', 'col2']), etc
– EFreak
May 11 at 21:51
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Pandas get topmost n records within each group
... 2
3 7 3 1
4 8 4 1
(Keep in mind that you might need to order/sort before, depending on your data)
EDIT: As mentioned by the questioner, use df.groupby('id').head(2).reset_index(drop=True) to remove the multindex and flatten the results.
>>> df.groupby('id').head(2).res...
How can I check if a command exists in a shell script? [duplicate]
...p, or type -P $binary_name if you only want to see binaries (not functions etc.)
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Docker - how can I copy a file from an image to a host?
...tion on copying files from containers to hosts; I have a Dockerfile that fetches dependencies, compiles a build artifact from source, and runs an executable. I also want to copy the build artifact (in my case it's a .zip produced by sbt dist in '../target/`, but I think this question also appli...
Get individual query parameters from Uri [duplicate]
... binding, which calculates the signature AFTER encoding on the other side, etc.
– Michael Hallock
Aug 8 '13 at 20:39
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Gridview with two columns and auto resized images
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Haversine Formula in Python (Bearing and Distance between two GPS points)
...can, but if you say import math then you have to specify math.pi, math.sin etc. With from math import * you get direct access to all the module contents. Check out "namespaces" in a python tutorial (such as docs.python.org/tutorial/modules.html)
– Michael Dunn
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UIButton custom font vertical alignment
... think this is the best answer.
no playing with ascender, numberOfHMetrics etc...
just import-export by Glyphs application
and Job done.
Thanks to this answer:
https://stackoverflow.com/a/16798036/1207684
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Best way to trim strings after data entry. Should I create a custom model binder?
...! You could improve the readability of your code even more by changing the order of the return statements and by negating the condition: if (valueResult == null || string.IsNullOrEmpty(valueResult.AttemptedValue)) return null;
– Marius Schulz
Sep 25 '11 at 20:5...