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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 su...
C++ new int[0] — will it allocate memory?
...ion function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if the size of the space requested [by new] is zero, the request can fail.
That means you can do it, but you ca...
Capture characters from standard input without waiting for enter to be pressed
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16 Answers
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Remove data.frame row names when using xtable
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1 Answer
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Microsecond timing in JavaScript
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134
As alluded to in Mark Rejhon's answer, there is an API available in modern browsers that expos...
Converting string into datetime
...:
from datetime import datetime
datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p')
The resulting datetime object is timezone-naive.
Links:
Python documentation for strptime: Python 2, Python 3
Python documentation for strptime/strftime format strings: Python 2, Pyth...
What are best practices for validating email addresses on iOS 2.0
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13 Answers
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How do I prevent a Gateway Timeout with FastCGI on Nginx
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edited Aug 5 '14 at 20:22
undur_gongor
14.4k44 gold badges5656 silver badges7070 bronze badges
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python pandas: apply a function with arguments to a series
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170
Newer versions of pandas do allow you to pass extra arguments (see the new documentation). So ...
How can I pad an integer with zeros on the left?
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16 Answers
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