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How to change the order of DataFrame columns?
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34 Answers
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How to read the RGB value of a given pixel in Python?
If I open an image with open("image.jpg") , how can I get the RGB values of a pixel assuming I have the coordinates of the pixel?
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Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
I developed a Windows service using C#.NET to generate PDF report. To generate PDF file I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error:
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What's the simplest way to subtract a month from a date in Python?
If only timedelta had a month argument in it's constructor. So what's the simplest way to do this?
20 Answers
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chrome undo the action of “prevent this page from creating additional dialogs”
I sometimes find that I need to re-enable alerting for debugging. Of course I can close the tab and reload it but Is there a better way?
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Creating a new empty branch for a new project
We are using a git repository to store our project. We have our branches departing from the original branch. But now we want to create a small new project to track some documentation. For that we would want to create a new empty branch to start storing our files, and I would want other users of the ...
Migration: Cannot add foreign key constraint
I'm trying to create foreign keys in Laravel however when I migrate my table using artisan i am thrown the following error:
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)
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30 Answers
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What is thread contention?
Can someone please explain simply what thread contention is?
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Finding Variable Type in JavaScript
In Java, you can use instanceOf or getClass() on a variable to find out its type.
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