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Selecting with complex criteria from pandas.DataFrame
...that & operator takes a precedence over operators such as > or < etc. That is why
4 < 5 & 6 > 4
evaluates to False. Therefore if you're using pd.loc, you need to put brackets around your logical statements, otherwise you get an error. That's why do:
df.loc[(df['A'] > 10) ...
Bower: ENOGIT Git is not installed or not in the PATH
...lled on your machine. Also, the path to my Git installation is "C:\Program Files (x86)\Git". Yours might be different. Please check where yours is before continuing.
Open the Windows Environment Variables/Path Window.
Right-click on My Computer -> Properties
Click Advanced System Settings link...
Undo VS 'Exclude from project'?
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Make sure you are showing all files. There is a button at the top of the Solution Explorer called "Show All Files". To see this button, make sure that your project is selected in the solution explorer.
Show All Files
When this option is active, the fil...
Sorting data based on second column of a file
I have a file of two columns and n number of rows.
4 Answers
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What does the caret operator (^) in Python do?
...an do binary numbers by typing 0bX where X is your binary. 0b0001, 0b0010, etc. So, 0b1101 ^ 0b1110 would give you 0b0011 (or 3).
– Jeff
Jul 28 '15 at 23:58
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When applying a patch is there any way to resolve conflicts?
...n do a git mergetool if you want to go to a gui or just manually merge the files using vim (the standard <<<<<<, ||||||, >>>>>> conflict resolution).
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What difference is there between WebClient and HTTPWebRequest classes in .NET?
...n fact, why weren't they merged into one class (too many methods/variables etc may be one reason but there are other classes in .NET which breaks that rule).
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Handling warning for possible multiple enumeration of IEnumerable
...ave an interface that is IEnumerable + Count + Indexer, without Add/Remove etc. methods, which is what I suspect would solve this problem.
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foll...
Match two strings in one line with grep
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You can use
grep 'string1' filename | grep 'string2'
Or
grep 'string1.*string2\|string2.*string1' filename
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Naming of ID columns in database tables
...ys have table alias such as "i" for inoice, p for "product" on SQL or LINQ etc.
– Cheung
Oct 13 '14 at 7:50
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