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Drop columns whose name contains a specific string from pandas DataFrame

... I really wonder what the comments saying this answer is "elegant" means. I myself find it quite obfuscated, when python code should first be readable. It also is twice as slower than the first answer. And it uses the regex keywor...
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Why does visual studio 2012 not find my tests?

... My unittest project targets x64. When I created the project it was originally targeting x86. After switching to x64 all my unit tests disappeared. I had to go to the Test Menu -> Test Setting -Default Processor Architecture -> x64. They still didn't show up. Did a build. Still didn't sh...
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Access parent DataContext from DataTemplate

... this exact code in my project but it's leaking ViewModels (Finalizer not called, Command binding seems to retain DataContext). Can you verify that this issue exists for you as well? – Joris Weimar Jan 22 '13 at 11:05 ...
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What are the differences between numpy arrays and matrices? Which one should I use?

...ted/numpy.matrix.html As other answers already state that you can achieve all the operations with NumPy arrays. share | improve this answer | follow | ...
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Why won't my PHP app send a 404 error?

... Your code is technically correct. If you looked at the headers of that blank page, you'd see a 404 header, and other computers/programs would be able to correctly identify the response as file not found. Of course, your users are still SOL. N...
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psycopg2: insert multiple rows with one query

... My inserts didn't get registered properly until I called connection.commit() after the execute_values(...). – Philipp Aug 18 at 15:24 ...
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How to print to stderr in Python?

...to make your code Python3-ready. I guess this could be why many people actually like it! – MarcH Nov 18 '14 at 19:00 18 ...
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How to put a unicode character in XAML?

... Markup files that are created in Microsoft Visual Studio are automatically saved in the Unicode UTF-8 file format, which means that most special characters, such as accent marks, are encoded correctly. However, there is a set of commonly-used special characters that are handled differentl...
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Difference between Node object and Element object?

I am totally confused between Node object and Element object. document.getElementById() returns Element object while document.getElementsByClassName() returns NodeList object(Collection of Elements or Nodes?) ...
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Grouping functions (tapply, by, aggregate) and the *apply family

Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. 10 Answers ...