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Why shouldn't I use “Hungarian Notation”?
... but that would incur a huge overhead for dynamic languages (Python, Ruby, PHP or Javascript).
– too much php
Dec 29 '08 at 3:45
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Get index of selected option with jQuery
I'm a little bit confused about how to get an index of a selected option from a HTML <select> item.
7 Answers
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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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How can you automatically remove trailing whitespace in vim
...eepp %s/\s\+$//e
call cursor(l, c)
endfun
autocmd FileType c,cpp,java,php,ruby,python autocmd BufWritePre <buffer> :call <SID>StripTrailingWhitespaces()
If you want to apply this on save to any file, leave out the second autocmd and use a wildcard *:
autocmd BufWritePre * :call &...
How do you diff a directory for only files of a specific type?
...le1 PATH1/ PATH2/
For example:
find PATH1/ -type f | grep --text -vP "php$|html$" | sed 's/.*\///' | sort -u > file1
diff PATH1/ PATH2/ -rq -X file1
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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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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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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...