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Does Python optimize tail recursion?
... +1 For being the correct answer but this seems like an incredibly bone-headed design decision. The reasons given seem to boil down to "it's hard to do given how python is interpreted and I don't like it anyway so there!"
– Basic
Sep 4 '14 at 18:36
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How many database indexes is too many?
...ery slow with lots of indexes since they all need to be modified each time one of these operations takes place
Having said that, you can clearly add a lot of pointless indexes to a table that won't do anything. Adding B-Tree indexes to a column with 2 distinct values will be pointless since it doe...
Indenting code in Sublime text 2?
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Having done nothing, it suddenly started working. :) I guess the problem was between the keyboard and the chair all along :) Thank you anyway. :)
– Nuno Gonçalves
Dec 13 '12 at 14:27
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Convert Python dict into a dataframe
... value 2 value 3
It's saved me some headaches so I hope it helps someone out there!
EDIT: In the pandas docs one option for the data parameter in the DataFrame constructor is a list of dictionaries. Here we're passing a list with one dictionary in it.
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Difference in Months between two dates in JavaScript
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Nothing complicated with this one except the fact that every month started is counted. 31/03/2011 -> 01/05/2011 will be two months as well as 01/03/2011 -> 31/05/2011 but it should be three to be exact.
– Natim
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Best practices for SQL varchar column length [closed]
...L table or add a new varchar column to an existing table, I am wondering one thing: what is the best value for the length .
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Google Guava isNullOrEmpty for collections
... collection as soon as you can. If you just can't, then okay, you might be one of the <1% of users who really want to write their own trivial isNullOrEmpty(Collection) helper.
– Kevin Bourrillion
Mar 14 '12 at 17:25
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Bash: If/Else statement in one line
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pgrep -q some_process && echo 1 || echo 0
more oneliners here
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RegEx for matching UK Postcodes
...[ABD-HJLNP-UW-Z]{2}))$
This makes spaces optional, but does limit you to one space (replace the '&' with '{0,} for unlimited spaces). It assumes all text must be upper-case.
If you want to allow lower case, with any number of spaces, use:
^(([gG][iI][rR] {0,}0[aA]{2})|((([a-pr-uwyzA-PR-UWYZ]...
How to replace list item in best way
...eplaced like above. Is there any other bestway to place compare than this one?
11 Answers
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