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How to convert a data frame column to numeric type?
How do you convert a data frame column to a numeric type?
18 Answers
18
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Rails: confused about syntax for passing locals to partials
...hod in Rails 2; Rails 3 is different). It's a good exercise.
Furthermore, don't worry about "bothering" people on SO. That's why this site exists. I even learned something from this.
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improv...
Get generic type of java.util.List
...ntln(integerListClass); // class java.lang.Integer.
}
}
You can also do that for parameter types and return type of methods.
But if they're inside the same scope of the class/method where you need to know about them, then there's no point of knowing them, because you already have declared the...
How exactly does CMake work?
...
The secret is that you don't have to understand what the generated files do.
CMake introduces a lot of complexity into the build system, most of which only pays off if you use it for building complex software projects.
The good news is that CMake...
How do I put a clear button inside my HTML text input box like the iPhone does?
...tton to work anyway. Here's an SSCCE, you can copy'n'paste'n'run it:
<!DOCTYPE html>
<html lang="en">
<head>
<title>SO question 2803532</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
...
Find element's index in pandas Series
...ies == 7].index[0]
3
Though I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level.
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Why does ASP.NET webforms need the Runat=“Server” attribute?
Why do I have to specify runat="server" on all my ASP.NET controls when it is a mandatory attribute and server is the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
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How to search through all Git and Mercurial commits in the repository for a certain string?
...lk reflog entries from
the most recent one to older ones.
So you could do this to find a particular string in a commit message that is dangling:
git log -g --grep=search_for_this
Alternatively, if you want to search the changes for a particular string, you could use the pickaxe search option,...
decompiling DEX into Java sourcecode
...j-dex2jar.sh -f -o output_jar.jar dex_to_decompile.dex
Note 1: In the Windows machines all the .sh scripts are replaced by .bat scripts
Note 2: On linux/mac don't forget about sh or bash. The full command should be:
sh d2j-dex2jar.sh -f -o output_jar.jar apk_to_decompile.apk
Note 3: Also, re...
Insert a commit before the root commit in Git?
...venience.
1. Create a new empty commit
There is a number of ways you can do this.
Using just plumbing
The cleanest approach is to use Git’s plumbing to just create a commit directly, which avoids touching the working copy or the index or which branch is checked out, etc.
Create a tree object...