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How to open a web server port on EC2 instance
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137
Follow the steps that are described on this answer just instead of using the drop down, type t...
Setting JDK in Eclipse
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146
You manage the list of available compilers in the Window -> Preferences -> Java -> In...
List files by last edited date
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172
You can use:
ls -Rt
where -R means recursive (include subdirectories) and -t means "sort by...
How to print matched regex pattern using awk?
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148
This is the very basic
awk '/pattern/{ print $0 }' file
ask awk to search for pattern using...
How does HashSet compare elements for equality?
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138
It uses an IEqualityComparer<T> (EqualityComparer<T>.Default unless you specify a ...
How do I make a matrix from a list of vectors in R?
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124
One option is to use do.call():
> do.call(rbind, a)
[,1] [,2] [,3] [,4] [,5] [,6]
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How to find index of list item in Swift?
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831
As swift is in some regards more functional than object-oriented (and Arrays are structs, not ob...
Installing MSBuild 4.0 without Visual Studio 2010
I installed .NET 4.0 and VS 2010 RC on my laptop and MSBuild was automatically installed. I was hoping to build a continuous integration server by just installing the .NET SDK without VS 2010, so I downloaded the .NET 4.0 Framework from Microsoft at this link . Unfortunately, it doesn't appear to...
count number of lines in terminal output
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491
Pipe the result to wc using the -l (line count) switch:
grep -Rl "curl" ./ | wc -l
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How do I calculate a point on a circle’s circumference?
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edited Aug 22 '18 at 10:54
answered May 8 '09 at 14:03
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