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Mean per group in a data.frame [duplicate]
I have a data.frame and I need to calculate the mean per group (i.e. per Month , below).
8 Answers
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ImportError: No module named MySQLdb
I am referring the following tutorial to make a login page for my web application.
http://code.tutsplus.com/tutorials/intro-to-flask-signing-in-and-out--net-29982
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How to set standard encoding in Visual Studio
I am searching for a way to setup Visual Studio so it always saves my files in UTF-8.
4 Answers
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How to automatically indent source code?
How can I automatically indent source code in Visual Studio 2010?
7 Answers
7
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How do I use Nant/Ant naming patterns?
I have to admit that I always forgot the syntactical intracacies of the naming patterns for Nant (eg. those used in filesets). The double asterisk/single asterisk stuff seems to be very forgettable in my mind.
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KnockOutJS - Multiple ViewModels in a single View
I'm thinking that my application is getting quite large now, too large to handle each View with a single ViewModel.
5 Answe...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
I knew boolean in mysql as tinyint (1) .
4 Answers
4
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How do I get the first element from an IEnumerable in .net?
I often want to grab the first element of an IEnumerable<T> in .net, and I haven't found a nice way to do it. The best I've come up with is:
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curl : (1) Protocol https not supported or disabled in libcurl
I'm trying to install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received:
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GLib compile error (ffi.h), but libffi is installed
After a succesful configure, make exits with snipped
5 Answers
5
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