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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 insert a row in an HTML table body in JavaScript

I have an HTML table with a header and a footer: 9 Answers 9 ...
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How to add Options Menu to Fragment in Android

I am trying to add an item to the options menu from a group of fragments. 20 Answers 2...
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How to recursively delete an entire directory with PowerShell 2.0?

What is the simplest way to forcefully delete a directory and all its subdirectories in PowerShell? I am using PowerShell V2 in Windows 7. ...
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Formatting Decimal places in R

I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that? ...
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How to ignore xargs commands if stdin input is empty?

Consider this command: 6 Answers 6 ...
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Windows path in Python

What is the best way to represent a Windows directory, for example "C:\meshes\as" ? I have been trying to modify a script but it never works because I can't seem to get the directory right, I assume because of the '\' acting as escape character? ...
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How to get a resource id with a known resource name?

I want to access a resource like a String or a Drawable by its name and not its int id. 10 Answers ...
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Android: how to handle button click

Having a solid experience in non-Java and non-Android area, I'm learning Android. 10 Answers ...
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Conditionally Remove Dataframe Rows with R [duplicate]

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