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How to get the current time as datetime
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In an array of objects, fastest way to find the index of an object whose attributes match a search
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answered Apr 19 '13 at 8:28
Pablo Francisco Pérez HidalgoPablo Francisco Pérez Hidalgo
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How to avoid warning when introducing NAs by coercion
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142
Use suppressWarnings():
suppressWarnings(as.numeric(c("1", "2", "X")))
[1] 1 2 NA
This supp...
How to extract base URL from a string in JavaScript?
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20 Answers
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On EC2: sudo node command not found, but node without sudo is ok
I have just installed nodejs on a new EC2 micro instance.
12 Answers
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Converting a date string to a DateTime object using Joda Time library
I have a date as a string in the following format "04/02/2011 20:27:05" . I am using Joda-Time library and would like to convert it to DateTime object. I did:
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Downloading images with node.js [closed]
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edited Feb 12 '14 at 10:11
answered Oct 5 '12 at 18:01
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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
* ...
Adding a Method to an Existing Object Instance
...t "fooFighters"
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>>> A.fooFighters = fooFighters
>>> a2 = A()
>>> a2.fooFighters
<bound method A.fooFighters of <__main__.A instance at 0x00A9BEB8>>
>>> a2.fooFighters()
fooFighters
Previously defined instances are updated as well (as long as they ...
How to take the first N items from a generator or list in Python? [duplicate]
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526
Slicing a list
top5 = array[:5]
To slice a list, there's a simple syntax: array[start:stop:...