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How to take the first N items from a generator or list in Python? [duplicate]
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Slicing a list
top5 = array[:5]
To slice a list, there's a simple syntax: array[start:stop:...
Laravel migration: unique key is too long, even if specified
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How to initialize an array's length in JavaScript?
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edited Jul 7 '15 at 15:21
answered Jan 31 '11 at 14:32
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How to smooth a curve in the right way?
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I prefer a Savitzky-Golay filter. It uses least squares to regress a small window of your data...
SQlite Getting nearest locations (with latitude and longitude)
...method calculateDerivedPosition(...) calculates those points for you (p1, p2, p3, p4 in picture).
/**
* Calculates the end-point from a given source at a given range (meters)
* and bearing (degrees). This methods uses simple geometry equations to
* calculate the end-point.
*
* @param point
* ...
Facebook database design?
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1 bob@bob.com bobbie M 1/1/2009 New York City
2 jon@jon.com jonathan M 2/2/2008 Los Angeles
3 joe@joe.com joseph M 1/2/2007 Pittsburgh
Table Friends
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UserID FriendID
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1 2
1 3
2 3
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how to get the one entry from hashmap without iterating
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answered Oct 2 '09 at 13:23
Per ÖstlundPer Östlund
1,15477 silver badges66 bronze badges
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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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How to mark a build unstable in Jenkins when running shell scripts
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edited Oct 29 '13 at 9:22
answered Nov 16 '11 at 8:10
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Ways to save enums in database
...ame Suit
================== ==========
Shelby Jackson 2
Ian Boyd 1
verses
Name Suit
================== ==========
Shelby Jackson Diamond
Ian Boyd Heart
the latter is much easier. The former required getting at the source code and f...