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What does the (unary) * operator do in this Ruby code?
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271
The * is the splat operator.
It expands an Array into a list of arguments, in this case a list ...
How to calculate an angle from three points? [closed]
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16 Answers
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Active
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MySQL ON DUPLICATE KEY - last insert id?
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179
Check this page out: https://web.archive.org/web/20150329004325/https://dev.mysql.com/doc/refm...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
... the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out?
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Properties order in Margin
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418
Margin="1,2,3,4"
Left,
Top,
Right,
Bottom
It is also possible to specify just two sizes ...
What's the best practice to round a float to 2 decimals? [duplicate]
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160
I was working with statistics in Java 2 years ago and I still got the codes of a function that...
Shared-memory objects in multiprocessing
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If you use an operating system that uses copy-on-write fork() semantics (like any common unix)...
Label points in geom_point
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edited Sep 12 '17 at 23:13
neilfws
23.4k55 gold badges4242 silver badges5050 bronze badges
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Determine which JAR file a class is from
.../jre/lib/rt.jar!/java/lang/String.class
file:/projects/classes/pkg/MyClass$1.class
The getProtectionDomain().getCodeSource().getLocation() method returns the location of the jar file or CLASSPATH
file:/Users/home/java/libs/ejb3-persistence-1.0.2.GA.jar
file:/projects/classes
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How to un-commit last un-pushed git commit without losing the changes
...ple:
in case you have not pushed the commit publicly yet:
git reset HEAD~1 --soft
That's it, your commit changes will be in your working directory, whereas the LAST commit will be removed from your current branch. See git reset man
In case you did push publicly (on a branch called 'master'...