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Adding new column to existing DataFrame in Python pandas
... did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead
>>> df1.loc[:,'f'] = pd.Series(np.random.randn(sL...
Correct use for angular-translate in controllers
... If you tried it instead of writing that unrelated comment, you wouldv'e known the answer by now. Short answer: yes. Thats possible.
– Robin van Baalen
Jun 4 '15 at 17:44
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Can anyone explain IEnumerable and IEnumerator to me? [closed]
...t's say you are running an airline company. And in each plane you want to know information about the passengers flying in the plane. Basically you want to be able to "traverse" the plane. In other words, you want to be able to start at the front seat, and to then work your way towards the back of th...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
...ray_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I just missed the...
Does Python optimize tail recursion?
...ons.
The clean way: modifying the Y combinator
The Y combinator is well known; it allows to use lambda functions in a recursive
manner, but it doesn't allow by itself to embed recursive calls in a loop. Lambda
calculus alone can't do such a thing. A slight change in the Y combinator however
can pr...
Visual Studio keyboard shortcut to automatically add the needed 'using' statement
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Wow, didn't know about Ctrl+. or Alt+Shift+F10, but always wondered if there was such a short-cut. I also have a function lock keyboard, but it always remembers its state, so no problem here (Microsoft Natural Ergonomics Keyboard 4000).
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Use 'import module' or 'from module import'?
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No, in the last example, the name 'foo' is unknown
– Ghislain Leveque
Jan 11 '16 at 13:59
33
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ImportError: no module named win32api
...hat, you must run
python Scripts/pywin32_postinstall.py -install
I know I'm reviving an old thread, but I just had this problem and this was the only way to solve it.
share
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improve this ans...
Entity Attribute Value Database vs. strict Relational Model Ecommerce
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+10000 Great answer. Nowadays people skimp on database design and requirement gathering. They'd rather write a hundred times more lines of code, that take the time to make a good design.
– Tulains Córdova
A...
Meaning of Git checkout double dashes
...tory, and I want to revert changes on it.
git checkout path/to/file.txt
Now suppose that the file is named master...
git checkout master
Whoops! That changed branches instead. The -- separates the tree you want to check out from the files you want to check out.
git checkout -- master
It a...