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Checking if a string can be converted to float in Python
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316
I would just use..
try:
float(element)
except ValueError:
print "Not a float"
..it'...
How do I script a “yes” response for installing programs?
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213
The 'yes' command will echo 'y' (or whatever you ask it to) indefinitely. Use it as:
yes | com...
Can Android Studio be used to run standard Java projects?
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13 Answers
13
Active
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Python pandas: fill a dataframe row by row
...w to a pandas.DataFrame object seems to be hard to accomplish. There are 3 stackoverflow questions relating to this, none of which give a working answer.
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What is the ellipsis (…) for in this method signature?
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213
Those are Java varargs. They let you pass any number of objects of a specific type (in this case...
Python threading.timer - repeat function every 'n' seconds
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edited Aug 20 '16 at 23:47
Kyle Kelley
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answe...
Should I use scipy.pi, numpy.pi, or math.pi?
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answered Sep 28 '12 at 18:38
BrenBarnBrenBarn
197k2727 gold badges348348 silver badges337337 bronze badges
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In PHP, why does not show a parse error?
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273
This must be because there are various ways of starting a block of PHP code:
<? ... ?> (...
Installing older version of R package
...checkpoint and devtools
install.versions(c('checkpoint', 'devtools'), c('0.3.3', '1.6.1'))
That has the advantage of not requiring Rtools to install binary packages on Windows, but only works going back to 2014-09-17 (when MRAN was launched).
To install an older version from the command line (out...