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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
..., b :: Int, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo -- update the Foo
Foo {a = 1, b = 2, c = "G...
How do I reverse a C++ vector?
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258
There's a function std::reverse in the algorithm header for this purpose.
#include <vector...
Realistic usage of the C99 'restrict' keyword?
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How to make graphics with transparent background in R using ggplot2?
I need to output ggplot2 graphics from R to PNG files with transparent background. Everything is ok with basic R graphics, but no transparency with ggplot2:
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Prevent any form of page refresh using jQuery/Javascript
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#1 can be implemented via window.onbeforeunload.
For example:
<script type="text/javascri...
Explaining Python's '__enter__' and '__exit__'
..._future__ import with_statement at the top of the file if you're on Python 2.5).
with DatabaseConnection() as mydbconn:
# do stuff
PEP343 -- The 'with' statement' has a nice writeup as well.
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How to test chrome extensions?
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+250
Yes, the existing frameworks are pretty useful..
In the recent past, I have placed all my tests on a "test" page that was embedded ...
Any way to clear python's IDLE window?
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
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How do I calculate the date six months from the current date using the datetime Python module?
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