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Efficient way to apply multiple filters to pandas DataFrame or Series
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250
Pandas (and numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df...
Make page to tell browser not to cache/preserve input values
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answered Apr 23 '10 at 14:38
DisgruntledGoatDisgruntledGoat
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Does a break statement break from a switch/select?
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201
Break statements, The Go Programming Language Specification.
A "break" statement termi...
SQL multiple column ordering
... in different directions. column1 would be sorted descending, and column2 ascending.
5 Answers
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How to use nodejs to open default browser and navigate to a specific URL
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edited Jan 26 '17 at 14:08
answered Nov 16 '12 at 15:32
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throw Error('msg') vs throw new Error('msg')
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2 Answers
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Active
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Truncate a list to a given number of elements
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142
Use List.subList:
import java.util.*;
import static java.lang.Math.min;
public class T {
pub...
Bash: If/Else statement in one line
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287
There is no need to explicitly check $?. Just do:
ps aux | grep some_proces[s] > /tmp/tes...
How do I delete a fixed number of rows with sorting in PostgreSQL?
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answered Mar 2 '11 at 18:01
community wiki
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Regular expression to match numbers with or without commas and decimals in text
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293
EDIT: Since this has gotten a lot of views, let me start by giving everybody what they Googled...