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How to reshape data from long to wide format

... The reshape comments and similar argument names aren't all that helpful. However, I have found that for long to wide, you need to provide data = your data.frame, idvar = the variable that identifies your groups, v.names = the variables that will become multiple columns in wide f...
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Python Nose Import Error

...stem path. The following fixed this: source myvirtualenv/activate pip install nose which nosetests /home/me/myvirtualenv/bin/nosetests share | improve this answer | follow ...
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How can I setup & run PhantomJS on Ubuntu?

... to add one additional symlink to /usr/bin/, and I did direct symlinks for all 3 - see below. I'm installing on Ubuntu server Natty Narwhal. This is exactly what I did. cd /usr/local/share sudo wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.7-linux-x86_64.tar.bz2 sudo tar xjf ...
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When to use NSInteger vs. int

... You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a ...
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Mismatched anonymous define() module

I'm getting this error when I browse my webapp for the first time (usually in a browser with disabled cache). 7 Answers ...
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How can I profile Python code line-by-line?

... can anyone show how to actually use this library? The readme teaches how to install, and answers various FAQs, but doesn't mention how to use it after a pip install.. – cryanbhu Jul 25 '18 at 3:28 ...
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How to read and write INI file with Python3?

... The standard ConfigParser normally requires access via config['section_name']['key'], which is no fun. A little modification can deliver attribute access: class AttrDict(dict): def __init__(self, *args, **kwargs): super(AttrDict, self).__init...
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Differences between lodash and underscore [closed]

...h run in Node, Ringo, Rhino, Narwhal, PhantomJS, and browsers), better overall performance and optimizations for large arrays/object iteration, and more flexibility with custom builds and template pre-compilation utilities. Because Lo-Dash is updated more frequently than Underscore, a lodash unders...
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How to include jar files with java file and compile in command prompt

...ing/executing any java file. You will not have to include the jars individually every time you compile you file. Different machines have different methods to set the classpath as an environment variable. The commands for Windows, Linux, etc are different. You can find more details in this blog. ...
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What is the purpose of std::make_pair vs the constructor of std::pair?

... Actually, the types should be deduced at compile time without the need to specify. – Chad Feb 14 '12 at 1:51 ...