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pandas three-way joining multiple dataframes on columns
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This didn't quite work for my dfs with column multi indexes (it was injecting the 'on' as a column which worked for the first merge, but subsequent merges failed), instead I got it to work with: df = reduce(lambda left, right: left.join(right, how='outer', on='Date'), dfs)
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“git diff” does nothing
...t diff is the list of changes which have not been committed / added to the index. If there are no changes, then there is no output.
git diff [--options] [--] […]
This form is to view the changes you made relative to the index (staging area for the next commit). In other words, the differe...
Extracting hours from a DateTime (SQL Server 2005)
...moting lazy shorthand that leads to confusion or worse. See #6 here blogs.sqlsentry.com/aaronbertrand/… and sqlblog.com/blogs/aaron_bertrand/archive/2011/09/20/…
– Aaron Bertrand
Oct 6 '14 at 19:44
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Good open source django project for learning [closed]
... to find popular projects is directly on GitHub: https://github.com/search?q=django
Finally:
Awesome Django @ https://github.com/wsvincent/awesome-django
Awesome Python @ https://github.com/vinta/awesome-python
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Git stash uncached: how to put away all unstaged changes?
...d files you can add the -u flag
The full command becomes git stash --keep-index -u
And here's a snippet from the git-stash help
If the --keep-index option is used, all changes already added to the
index are left intact.
If the --include-untracked option is used, all untracked files are
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Batch script to delete files
...der" changes the current directory the batch will be looking at. keep the
quotations and change path of folder to which ever path you aiming for.
del "file name/ or *.txt etc..." will delete the file in the current directory your batch is looking at, just don't add a directory path before the file...
Why use 'git rm' to remove a file instead of 'rm'?
...tep.
You can also use git rm --cached which will remove the file from the index (staging it for deletion on the next commit), but keep your copy in the local file system.
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JavaScript closure inside loops – simple practical example
...ferently than var-based variables. For example, in a loop with a let-based index, each iteration through the loop will have a new variable i with loop scope, so your code would work as you expect. There are many resources, but I'd recommend 2ality's block-scoping post as a great source of informatio...
How do I remove newlines from a text file?
...? - - I think sed is the best option like described here stackoverflow.com/q/16414410/54964
– Léo Léopold Hertz 준영
Nov 5 '16 at 13:23
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Should you always favor xrange() over range()?
... is an object in Python2. I think what you meant to say is that you can do index-based comprehension (if that makes sense) better with range as opposed to xrange. Range is handy very seldom, I think
– dylnmc
Nov 12 '14 at 0:34
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