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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python's subprocess module and the communicate() method?
5 Answers
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
What is the purpose of this Rails config setting...
2 Answers
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regex for matching something if it is not preceded by something else
So with regex in java, I want to write a regex that will match if and only if the pattern is not preceded by certain characters. For example:
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How to order results with findBy() in Doctrine
I am using the findBy() method on a Doctrine repository:
3 Answers
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How to check if a database exists in SQL Server?
What is the ideal way to check if a database exists on a SQL Server using TSQL? It seems multiple approaches to implement this.
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Create dynamic URLs in Flask with url_for()
...iable say, /<variable>/add or /<variable>/remove . How do I create links to those locations?
4 Answers
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Automatically plot different colored lines
...density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this, and with more co...
Unique constraint that allows empty values in MySQL
I have a field that stores product codes. The codes are unique, but some products simply doesn't have a code. I can't invent codes because those are providers codes.
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python tuple to dict
For the tuple, t = ((1, 'a'),(2, 'b'))
dict(t) returns {1: 'a', 2: 'b'}
6 Answers
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