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Ruby: Merging variables in to a string

I'm looking for a better way to merge variables into a string, in Ruby. 7 Answers 7 ...
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Better way to check variable for null or empty string?

Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty? 10 Answers ...
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What does %~d0 mean in a Windows batch file?

I'm looking at a batch file which defines the following variables: 9 Answers 9 ...
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Manifest merger failed : uses-sdk:minSdkVersion 14

Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message: 28 ...
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How to insert element into arrays at specific position?

Let's imagine that we have two arrays: 23 Answers 23 ...
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Python: Append item to list N times

This seems like something Python would have a shortcut for. I want to append an item to a list N times, effectively doing this: ...
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How accurately should I store latitude and longitude?

I was reading this question here: 7 Answers 7 ...
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Check if all elements in a list are identical

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What does auto do in margin:0 auto?

What does auto do in margin:0 auto; ? 7 Answers 7 ...
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How to create an array containing 1…N

I'm looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runtime. ...