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Fastest way to replace NAs in a large data.table
...ows and 200 columns. I would like to re code those NA values to zeros as efficiently as possible.
10 Answers
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How do I list the functions defined in my shell?
I can type alias to show a list of all the aliases.
8 Answers
8
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Best way to represent a fraction in Java?
I'm trying to work with fractions in Java.
26 Answers
26
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
The following code gives the error UnboundLocalError: local variable 'Var1' referenced before assignment :
5 Answers
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
I'm working on a UI for an app, and I'm attempting to use grayscale icons, and allow the user to change the theme to a color of their choosing. To do this, I'm trying to just apply a ColorFilter of some sort to overlay a color on top of the drawable. I've tried using PorterDuff.Mode.MULTIPLY, and it...
What is 'Currying'?
I've seen references to curried functions in several articles and blogs but I can't find a good explanation (or at least one that makes sense!)
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Split delimited strings in a column and insert as new rows [duplicate]
I have a data frame as follow:
6 Answers
6
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Generate colors between red and green for a power meter?
I'm writing a Java game and I want to implement a power meter for how hard you are going to shoot something.
19 Answers
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How to read the content of a file to a string in C?
What is the simplest way (least error-prone, least lines of code, however you want to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)?
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Switching to landscape mode in Android Emulator
This is probably a pretty easy to answer question, but I can't find the solution myself after a couple hours of searching the documentation and Google. I set the orientation of my Android app to landscape in the AndroidManifest.xml file:
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