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fatal error: Python.h: No such file or directory

... Looks like you haven't properly installed the header files and static libraries for python dev. Use your package manager to install them system-wide. For apt (Ubuntu, Debian...): sudo apt-get install python-dev # for python2.x installs sudo apt-get insta...
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How do I change the data type for a column in MySQL?

... If you want to change all columns of a certain type to another type, you can generate queries using a query like this: select distinct concat('alter table ', table_name, ' modify ', ...
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]

... because you can't divide that evenly into groups of 10, there is a very small bias against 9 and 10 in this implementation. Most people shouldn't need to worry about this, because you shouldn't be using $RANDOM for security purposes anyway. – Brad Koch Feb 13...
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Listview Scroll to the end of the list after updating the list

I would like to make sure that the list is scrolled all the way to the bottom, after I have updated the listview by using listAdapter, so that it displays the last element entered in the list. How can I do this ? ...
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How to change UIPickerView height

...erView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. ...
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How to convert an NSString into an NSNumber

... Use an NSNumberFormatter: NSNumberFormatter *f = [[NSNumberFormatter alloc] init]; f.numberStyle = NSNumberFormatterDecimalStyle; NSNumber *myNumber = [f numberFromString:@"42"]; If the string is not a valid number, then myNumber will be nil. If it is a valid number, then you now have all of...
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CSS way to horizontally align table

...o; } But the article mentioned in the beginning of this answer gives you all the other way to center a table. An elegant css cross-browser solution: This works in both MSIE 6 (Quirks and Standards), Mozilla, Opera and even Netscape 4.x without setting any explicit widths: div.centered { ...
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How do I remove msysgit's right click menu options?

...f you are on Windows 10 and the previous methods did not work try to uninstall the application and reinstall it. But be careful during the installation process unchecking Windows explorer integration share | ...
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How to delete every other line in Vim?

... Actually you are wrong Michael. This works flawlessly as VI will stop running the macro as soon as it hits end of file. You can very easily try it out with the sample above. – rui Dec 22 '09...
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Modifying a subset of rows in a pandas dataframe

...on criteria, columns I want] = value So Bren's answer is saying 'find me all the places where df.A == 0, select column B and set it to np.nan' share | improve this answer | ...