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Backwards migration with Django South
... with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, when you run ./manage.py migrate your_app, South runs all new migrations, in order. (It looks at the database tables to decide which ones are 'new').
However...
How to check if a value exists in a dictionary (python)
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>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.2...
Parsing JSON from XmlHttpRequest.responseJSON
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229
New ways I: fetch
TL;DR I'd recommend this way as long as you don't have to send synchronous ...
CSS selector for other than the first child and last child
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2 Answers
2
Active
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Breaking up long strings on multiple lines in Ruby without stripping newlines
...aybe this is what you're looking for?
string = "line #1"\
"line #2"\
"line #3"
p string # => "line #1line #2line #3"
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fol...
Useful code which uses reduce()? [closed]
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24 Answers
24
Active
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How to read a .xlsx file using the pandas Library in iPython?
... for sheet_name in xl_file.sheet_names}
Update: In pandas version 0.21.0+ you will get this behavior more cleanly by passing sheet_name=None to read_excel:
dfs = pd.read_excel(file_name, sheet_name=None)
In 0.20 and prior, this was sheetname rather than sheet_name (this is now deprecated...
How do you turn off auto-capitalisation in HTML form fields in iOS?
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2 Answers
2
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Set default syntax to different filetype in Sublime Text 2
...w do I set a default filetype for a certain file extension in Sublime Text 2? Specifically I want to have *.cfg files default to having Ini syntax highlighting but I cannot seem to figure out how I could create this custom setting.
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Git : List all unmerged changes in git
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229
To list branches with commits not merged into master:
git branch --no-merged master
To list...