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python pandas remove duplicate columns

...0,20, (4,3)) vals Out[101]: array([[ 3, 13, 0], [ 1, 15, 14], [14, 19, 14], [19, 5, 1]]) In [106]: df = pd.DataFrame(np.hstack([vals, vals]), columns=['Time', 'H1', 'N2', 'Time Relative', 'N2', 'Time'] ) df Out[106]: Time H1 N2 Time Relative N2 Ti...
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]

... | edited May 22 '14 at 14:25 answered May 22 '14 at 14:04 ...
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Converting NSString to NSDate (and back again)

... PavanPavan 14.8k88 gold badges5555 silver badges9999 bronze badges ...
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed

...) Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\1926E8D15D0BCE53481466615F760A7F Configuration: x64 Version: 10.0.40219.325 Direct Download URL: https://download.microsoft.com/download/1/6/5/165255E7-1014-4D0A-B094-B6A430A6BFFC/vcredist_x64.exe Microsoft Visual C++ 2010 Redistributable ...
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)

I installed Ubuntu 14.04 (Trusty Tahr) yesterday. Everything seems OK. But when I tried to compile some C code, I encounter the following error. The error seems to be due to the OS lacking the 32-bit architecture support. The error output is as following: ...
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Chmod recursively

... | edited Nov 14 '12 at 11:30 answered Nov 14 '12 at 11:23 ...
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Do I have to guard against SQL injection if I used a dropdown?

... | edited Mar 20 '14 at 13:27 answered Mar 20 '14 at 13:25 ...
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Is C++14 adding new keywords to C++?

... Table 4 (Keywords) in N3936 (C++14): alignas continue friend register true alignof decltype goto reinterpret_cast try asm default if return ...
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How to install therubyracer gem on 10.10 Yosemite?

...dle install bundle exec rake clean build binary gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified then just bundle your project gems this is the only way it worked for me on 1...
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What's this =! operator? [duplicate]

... answered Jan 9 '14 at 19:19 Mike SeymourMike Seymour 230k2424 gold badges396396 silver badges601601 bronze badges ...