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Does the ternary operator exist in R?
As the question asks, is there a control sequence in R similar to C's ternary operator ? If so, how do you use it? Thanks!
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Referring to a file relative to executing script
In a bash script I'm writing, I use source to include the variable defined in a configuration file. The script to be executed is act.sh , while the script to be source d is act.conf.sh , so in act.sh I have:
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How to read from stdin line by line in Node
I'm looking to process a text file with node using a command line call like:
6 Answers
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How do you log all events fired by an element in jQuery?
I'd like to see all the events fired by an input field as a user interacts with it. This includes stuff like:
12 Answers
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Google Maps API v3: How do I dynamically change the marker icon?
Using Google Maps API v3, how do I programmatically change the marker icon?
5 Answers
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Check if UIColor is dark or bright?
I need to determine whether a selected UIColor (picked by the user) is dark or bright, so I can change the color of a line of text that sits on top of that color, for better readability.
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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
The fragments I use in my ViewPager instance are quite resource intensive, so I'd only like to load one at a time. When I try the following:
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
Beginner programmer here, please pardon ignorance & explanations will be really nice :)
4 Answers
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\d is less efficient than [0-9]
I made a comment yesterday on an answer where someone had used [0123456789] in a regular expression rather than [0-9] or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
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What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
6 Answers
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