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How to do a LIKE query in Arel and Rails?
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277
This is how you perform a like query in arel:
users = User.arel_table
User.where(users[:name]...
Accessing last x characters of a string in Bash
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245
Last three characters of string:
${string: -3}
or
${string:(-3)}
(mind the space between...
How to format a string as a telephone number in C#
I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable.
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How can a windows service programmatically restart itself?
I need to write robust code in .NET to enable a windows service (server 2003) to restart itself. What is the best way to so this? Is there some .NET API to do it?
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Haskell function composition (.) and function application ($) idioms: correct use
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edited Apr 14 '17 at 15:26
nbro
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answered J...
How to save a dictionary to a file?
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269
Python has the pickle module just for this kind of thing.
These functions are all that you ne...
Find which commit is currently checked out in Git
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182
You have at least 5 different ways to view the commit you currently have checked out into your w...
Why is quicksort better than mergesort?
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