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What is the difference between Ruby 1.8 and Ruby 1.9
I'm not clear on the differences between the "current" version of Ruby (1.8) and the "new" version (1.9). Is there an "easy" or a "simple" explanation of the differences and why it is so different?
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How to get first and last day of previous month (with timestamp) in SQL Server
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13 Answers
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how do I insert a column at a specific column index in pandas?
... the beginning
df.insert(loc, column, value)
df = pd.DataFrame({'B': [1, 2, 3], 'C': [4, 5, 6]})
df
Out:
B C
0 1 4
1 2 5
2 3 6
idx = 0
new_col = [7, 8, 9] # can be a list, a Series, an array or a scalar
df.insert(loc=idx, column='A', value=new_col)
df
Out:
A B C
0 7 1 ...
How to pip install a package with min and max version range?
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321
You can do:
$ pip install "package>=0.2,<0.3"
And pip will look for the best match, ass...
Set Colorbar Range in matplotlib
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182
Using vmin and vmax forces the range for the colors. Here's an example:
import matplotlib ...
HTML5 Canvas Resize (Downscale) Image High Quality?
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14 Answers
14
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Generate colors between red and green for a power meter?
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19 Answers
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Does ruby have real multithreading?
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612
Updated with Jörg's Sept 2011 comment
You seem to be confusing two very different things here...
How to iterate for loop in reverse order in swift?
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14 Answers
14
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What to use as an initial version? [closed]
I usually start my projects with a version 1.0.0. As soon as I have some stuff together, I release it as 1.0.0 and move on with 1.1.0.
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