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Scala type programming resources
...ias various natural numbers for more convenient reference. Example:
type _3 = Succ[Succ[Succ[_0]]]
(This is a lot like defining a val to be the result of a function.)
Now, suppose we want to define a value-level function def toInt[T <: Nat](v : T) which takes in an argument value, v, that con...
Is there a standard for storing normalized phone numbers in a database?
...de 0 has a known format for the rest of the number, but for country code 5432 you might need to examine the area code before you understand the rest of the number.
You may also want to handle vanity numbers such as (800) Lucky-Guy, which requires recognizing that, if it's a US number, there's one t...
Removing index column in pandas when reading a csv
I have the following code which imports a CSV file. There are 3 columns and I want to set the first two of them to variables. When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column?
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Window appears off screen on ubuntu [closed]
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Using module 'subprocess' with timeout
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In Python 3.3+:
from subprocess import STDOUT, check_output
output = check_output(cmd, stderr=STDOUT, timeout=seconds)
output is a byte string that contains command's merged stdout, stderr data.
check_output raises CalledProcessE...
How to select a CRAN mirror in R
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You should either get a window with a list of repositories or a text menu with some options. But...
How to check if variable is string with python 2 and 3 compatibility
I'm aware that I can use: isinstance(x, str) in python-3.x but I need to check if something is a string in python-2.x as well. Will isinstance(x, str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
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How can I change the default width of a Twitter Bootstrap modal box?
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