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How to get line count of a large file cheaply in Python?
...ed to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
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Replacing H1 text with a logo image: best method for SEO and accessibility?
It seems like there are a few different techniques out there, so I was hoping to get a "definitive" answer on this...
15 An...
CSS: Animation vs. Transition
So, I understand how to perform both CSS3 transitions and animations . What is not clear, and I've googled, is when to use which.
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Get day of week in SQL Server 2005/2008
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Use DATENAME or DATEPART:
SELECT DATENAME(dw,GETDATE()) -- Friday
SELECT DATEPART(dw,GETDATE()) -- 6
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How do you use an identity file with rsync?
...h-add ~/.ssh/1234-identity
ssh-agent is a user daemon which holds unencrypted ssh keys in memory. ssh finds it based on environment variables which ssh-agent outputs when run. Using eval to evaluate this output creates the environment variables. ssh-add is the command which manages the keys mem...
How to center an iframe horizontally?
Consider the following example: ( live demo )
11 Answers
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All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...nswered on Twitter by @MatthewClosson
@jeffehh You need to create a
spec/support/devise.rb file as
specified here https://github.com/plataformatec/devise#test-helpers to
include the devise test helpers #ruby
Thanks once again.
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How to change the height of a ?
I have a big paragraph of text that is divided into subparagraphs with <br> 's:
33 Answers
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Adding minutes to date time in PHP
...ck with adding X minutes to a datetime, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere.
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How to add to an existing hash in Ruby
In regards to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
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