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How to get row from R data.frame
I have a data.frame with column headers.
5 Answers
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Is there a good tutorial on MSBuild scripts? [closed]
I'm working on a web application project, and I need to create a build script; a build script that I can trigger from my cruisecontrol server. Since nant has not been maintained for ages, I figure that MSBuild is the way to go.
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Difference between dict.clear() and assigning {} in Python
In python, is there a difference between calling clear() and assigning {} to a dictionary? If yes, what is it?
Example:
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DataTrigger where value is NOT null?
I know that I can make a setter that checks to see if a value is NULL and do something. Example:
12 Answers
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
I have created tables in MySQL Workbench as shown below :
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Why does Java have transient fields?
Why does Java have transient fields?
15 Answers
15
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How to build a Debian/Ubuntu package from source?
I have the source of a program (taken from cvs/svn/git/...) and I'd like to build a Debian/Ubuntu package for it. The package is present in the repositories, but:
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How do you check if a certain index exists in a table?
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8 Answers
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Can I restore deleted files (undo a `git clean -fdx`)?
I was following the instructions on making github pages , and forgot to move down into my git sub directory. As a result, I just nuked an entire directory of documents with git clean -fdx .
Is there any way I can undo this terrible mistake?
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Difference between map and collect in Ruby?
I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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