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Convert the values in a column into row names in an existing data frame
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SQLAlchemy versioning cares about class import order
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ruby operator “=~” [duplicate]
...expression against a string, and it returns either the offset of the match from the string if it is found, otherwise nil.
/mi/ =~ "hi mike" # => 3
"hi mike" =~ /mi/ # => 3
"mike" =~ /ruby/ # => nil
You can place the string/regex on either side of the operator as you can see above.
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BeautifulSoup getting href [duplicate]
...y to find every a element that has an href attribute, and print each one:
from BeautifulSoup import BeautifulSoup
html = '''<a href="some_url">next</a>
<span class="class"><a href="another_url">later</a></span>'''
soup = BeautifulSoup(html)
for a in soup.find_...
opposite of .gitignore file? [duplicate]
...ed, in subdirectories, you will need to prevent the containing directories from getting ignored too. This should not pose a large problem, since git doesn't actually track directories, only files (identified by a repository path).
Example:
*
!*/
!SOURCES
will ignore everything, except SOURCES in...
Array copy values to keys in PHP [duplicate]
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The above is incorrect - your quote comes from the documentation for array_merge and not array_combine; I even tested it with array_combine and the latter value, even in numeric key arrays always overwrites the former one.
– Brett
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Replace all whitespace characters
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where did you get replaceAll from?
– Ionel Lupu
Xcode gave strange newsstand-error when trying to submit an app
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How to alter a column's data type in a PostgreSQL table?
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Error in if/while (condition) {: missing Value where TRUE/FALSE needed
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