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Python Pandas merge only certain columns

Is it possible to only merge some columns? I have a DataFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc. ...
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cmake and libpthread

I'm running RHEL 5.1 and use gcc . 3 Answers 3 ...
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Select statement to find duplicates on certain fields

Can you help me with SQL statements to find duplicates on multiple fields? 7 Answers 7...
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How to create a function in a cshtml template?

I need to create a function that is only necessary inside one cshtml file. You can think of my situation as ASP.NET page methods, which are min web services implemented in a page, because they're scoped to one page. I know about HTML helpers (extension methods), but my function is just needed in one...
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Can I make a pull request on a gist on GitHub?

Can I make a pull request on some else's gist on GitHub? 5 Answers 5 ...
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How to escape a single quote inside awk

... This maybe what you're looking for: awk 'BEGIN {FS=" ";} {printf "'\''%s'\'' ", $1}' That is, with '\'' you close the opening ', then print a literal ' by escaping it and finally open the ' again. ...
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How to create and handle composite primary key in JPA

I want to have versions from the same data entry. In other words, I want to duplicate the entry with another version number. ...
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Configure Microsoft.AspNet.Identity to allow email address as username

I'm in the process of creating a new application and started out using EF6-rc1, Microsoft.AspNet.Identity.Core 1.0.0-rc1, Microsoft.AspNet.Identity.EntityFramework 1.0.0-rc1, Microsoft.AspNet.Identity.Owin 1.0.0-rc1, etc and with the RTM releases yesterday, I updated them via NuGet this evening to R...
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Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays

I have two identical byte arrays in the following segment of code: 6 Answers 6 ...
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How can I show the name of branches in `git log`?

How can I show the name of branches in the output of git log ? 3 Answers 3 ...