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JavaScript style for optional callbacks
I have some functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way?
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
... Application Project on Eclipse Kepler on Mac OS X with java version "1.7.0_45"
2 Answers
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Padding or margin value in pixels as integer using jQuery
...0.
– Alexander Bird
Mar 1 '12 at 20:32
5
Be aware that parseInt can return NaN (which then in tur...
Django datetime issues (default=datetime.now())
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Carson MyersCarson Myers
32.8k3333 gold badges113113 silver badges162162 bronze badges
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How to calculate the bounding box for a given lat/lng location?
...return 180.0*radians/math.pi
# Semi-axes of WGS-84 geoidal reference
WGS84_a = 6378137.0 # Major semiaxis [m]
WGS84_b = 6356752.3 # Minor semiaxis [m]
# Earth radius at a given latitude, according to the WGS-84 ellipsoid [m]
def WGS84EarthRadius(lat):
# http://en.wikipedia.org/wiki/Earth_rad...
Mimicking sets in JavaScript?
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hymlothhymloth
6,00455 gold badges3232 silver badges4646 bronze badges
4
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Unlimited Bash History [closed]
...TFILESIZE=
– Matzz
Feb 16 '18 at 10:32
4
@Seether The answer clearly states "In bash 4.3 and late...
Replace values in list using Python [duplicate]
I have a list where I want to replace values with None where condition() returns True.
7 Answers
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Inserting string at position x of another string
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jAndyjAndy
203k4747 gold badges283283 silver badges345345 bronze badges
3
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Converting camel case to underscore case in ruby
...ef underscore
self.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
end
Then you can do fun stuff:
"CamelCase".underscore
=> "camel_case"
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