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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
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And if you want to convert all factor columns, you can use: model.matrix(~., data=iris)[,-1]
– user890739
Jan 5 '16 at 0:32
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How to delete an element from an array in C#
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If you want to remove all instances of 4 without needing to know the index:
LINQ: (.NET Framework 3.5)
int[] numbers = { 1, 3, 4, 9, 2 };
int numToRemove = 4;
numbers = numbers.Where(val => val != numToRemove).ToArray();
Non-LINQ: (.NET Fra...
String.replaceAll single backslashes with double backslashes
...he String \something\ into the String \\something\\ using replaceAll , but I keep getting all kinds of errors. I thought this was the solution:
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Date only from TextBoxFor()
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This is the best answer for MVC4 - it allows me to use jquery UI datepicker and formats the selection doing this:@Html.TextBoxFor(m => m.SomeDate, "{0:MM/dd/yyyy}", new { @id="datepicker" })
– ericb
Apr 14 '13 at 18:46
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List files by last edited date
... Thanks, that's perfect. I added a -l in there too so I can actually see the dates so for anyone who searches this out later, it's- $ ls -lRt
– Marty
Sep 10 '09 at 12:27
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When converting a project to use ARC what does “switch case is in protected scope” mean?
...en a while, but I seem to remember something in the C standard that didn't allow variable assignment after a case statement because the code is not really inside of a block. By adding curly braces {...} after the case and before the break, everything inside is in a scoped block and will behave as e...
Moving from CVS to Git: $Id$ equivalent?
... for example, you packaged a version file with the source (or even rewrote all the content for distribution) to show that number. Let's say that packaged version was 2.2-12-g6c4ae7a (not a release, but a valid version).
You can now see exactly how far behind you are (4 commits), and you can see exa...
How to get git diff with full context?
... the issue, but using a line count promises that it will work for even a small change in a very large file.
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Is D a credible alternative to Java and C++? [closed]
...of a programming language for real-world software development is only partially related to the quality of the language itself. As a pure language, D arguably has many advantages over C++ and Java. At the very least it is a credible alternative as a pure language, all other things being equal.
How...
Revert to a commit by a SHA hash in Git? [duplicate]
...ample, I want to revert to a commit six commits behind the head, reverting all the changes in the intermediary commits in between.
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