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How to change the author and committer name and e-mail of multiple commits in Git?
...d committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
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How do I add a placeholder on a CharField in Django?
Take this very simple form for example:
8 Answers
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Float vs Decimal in ActiveRecord
Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case,
3 Answers
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How to write a bash script that takes optional input arguments?
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You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Ot...
How to convert CSV file to multiline JSON?
Here's my code, really simple stuff...
10 Answers
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How to convert a string with comma-delimited items to a list in Python?
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>>> text
[ 'a', 'b', 'c' ]
Alternatively, you can use eval() if you trust the string to be safe:
>>> text = 'a,b,c'
>>> text = eval('[' + text + ']')
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
What's the difference between getPath() , getAbsolutePath() , and getCanonicalPath() in Java?
6 Answers
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get list from pandas dataframe column
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Pandas DataFrame columns are Pandas Series when you pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, ...
What does -fPIC mean when building a shared library?
I know the ' -fPIC ' option has something to do with resolving addresses and independence between individual modules, but I'm not sure what it really means. Can you explain?
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How to darken a background using CSS?
... text in it. Whenever I decrease the opacity, then I decrease the opacity of the WHOLE body. Is there any way I can just make the background-image darker, and not everything else?
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