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How to sort objects by multiple keys in Python?
...ns):
from operator import itemgetter
comparers = [((itemgetter(col[1:].strip()), -1) if col.startswith('-') else
(itemgetter(col.strip()), 1)) for col in columns]
def comparer(left, right):
for fn, mult in comparers:
result = cmp(fn(left), fn(right))...
Use rvmrc or ruby-version file to set a project gemset with RVM?
...r with .ruby-version).
For example, if you have a simple .rvmrc:
rvm use 1.9.3@my-app
It can be transformed to .ruby-version:
1.9.3
And .ruby-gemset:
my-app
Be sure to remove the .rvmrc file as it takes precedence over any other project configuration files:
rm .rvmrc
...
Getting result of dynamic SQL into a variable for sql-server
...
DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @...
Loop through an array of strings in Bash?
I want to write a script that loops through 15 strings (array possibly?) Is that possible?
19 Answers
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How to run crontab job every week on Sunday
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10 Answers
10
Active
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Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
22 Answers
22
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ReactJS: Modeling Bi-Directional Infinite Scrolling
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116
This is a mix of an infinite table and an infinite scroll scenario. The best abstraction I fou...
Making a Location object in Android with latitude and longitude values
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313
Assuming that you already have a location object with you current location.
Location targetLoc...
What is difference between functional and imperative programming languages?
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161
Definition:
An imperative language uses a sequence of statements to determine how to reach a c...