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Reorder levels of a factor without changing order of values
I have data frame with some numerical variables and some categorical factor variables. The order of levels for those factors is not the way I want them to be.
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Git submodule head 'reference is not a tree' error
...o an invalid commit: the submodule commit remained local and when I try to fetch it from another repo I get:
13 Answers
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How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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Easily measure elapsed time
I am trying to use time() to measure various points of my program.
26 Answers
26
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SQL Server 2008: How to query all databases sizes?
I have MS SQL 2008 R2, 500 databases.
What is the most efficient, easiest and 'modern' way to query all databases sizes.
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How to scale down a range of numbers with a known min and max value
So I am trying to figure out how to take a range of numbers and scale the values down to fit a range. The reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find t...
How to squash all git commits into one?
How do you squash your entire repository down to the first commit?
17 Answers
17
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“This project is incompatible with the current version of Visual Studio”
I was getting the below message from Visual Studio 2010.
15 Answers
15
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Can you change what a symlink points to after it is created?
...hanism (system call — not command line program) to change the pathname referenced by a symbolic link (symlink) — other than by unlinking the old one and creating a new one?
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What is the difference between Step Into and Step Over in the Eclipse debugger?
I want to debug the whole flow of a Java program. What is the difference between F5 (step into) and F6 (step over) in eclipse?
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