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PostgreSQL create table if not exists

... answered Sep 15 '11 at 22:34 Erwin BrandstetterErwin Brandstetter 439k9696 gold badges809809 silver badges969969 bronze badges ...
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Does pandas iterrows have performance issues?

...eductions that can be performed in cython b) iteration in python space 4) itertuples 5) iterrows 6) updating an empty frame (e.g. using loc one-row-at-a-time) Using a custom Cython routine is usually too complicated, so let's skip that for now. 1) Vectorization is ALWAYS, ALWAYS the first and...
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Define variable to use with IN operator (T-SQL)

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Python division

... 246 You're using Python 2.x, where integer divisions will truncate instead of becoming a floating p...
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define() vs. const

... | edited Apr 9 at 17:41 Bart Kuijper 344 bronze badges answered Jul 7 '10 at 9:59 ...
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Send string to stdin

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How to concatenate items in a list to a single string?

... 1144 Use join: >>> sentence = ['this','is','a','sentence'] >>> '-'.join(sentence)...
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How to put space character into a string name in XML?

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How can I get last characters of a string

... Jamon HolmgrenJamon Holmgren 19.5k33 gold badges4747 silver badges6666 bronze badges 5 ...
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iOS White to Transparent Gradient Layer is Gray

... answered Jul 22 '14 at 18:49 Eric GaoEric Gao 3,21222 gold badges1414 silver badges2626 bronze badges ...