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How do I create directory if none exists using File class in Ruby?
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154
You can use FileUtils to recursively create parent directories, if they are not already presen...
if arguments is equal to this string, define a variable like this string
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Don't forget about spaces:
source=""
samples=("")
if [ $1 = "country" ]; then
source="country"
samples="US Canada Mexico..."
else
echo "try again"
fi
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Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
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How is the AND/OR operator represented as in Regular Expressions?
...e the following situation:
The correct solution for the word would be "part1, part2".
The user should be able to enter either "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer 3).
I now try to match the string given by the user with the following, automatically created, regex express...
How to find the size of an array in postgresql
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112
As vyegorov mentioned, array_length will do the trick. Or if you know that the array is 1-dim...
Disable intellij indexing on specific folder
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edited Jul 1 '11 at 19:34
answered Jun 30 '11 at 13:30
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Is there a Subversion command to reset the working copy?
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180
You can recursively revert like this:
svn revert --recursive .
There is no way (without writ...
Transform DateTime into simple Date in Ruby on Rails
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167
DateTime#to_date does exist with ActiveSupport:
$ irb
>> DateTime.new.to_date
NoMethodE...
Find index of last occurrence of a sub-string using T-SQL
...ons found elsewhere work only so long as the text you are searching for is 1 character long.
22 Answers
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How can I force a hard reload in Chrome for Android
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18 Answers
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