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How to include (source) R script in other scripts

I've created a utility R script, util.R, which I want to use from other scripts in my project. What is the proper way to ensure that the function this script defines are available to function in my other scripts? ...
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Is $(document).ready necessary?

I saw this question in stackoverflow but do not feel that it was answered at all. 5 Answers ...
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@Media min-width & max-width

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.NET HttpClient. How to POST string value?

How can I create using C# and HttpClient the following POST request: 5 Answers 5 ...
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EC2 instance types's exact network performance?

I cannot find exact network performance details for different EC2 instance types on Amazon. Instead, they are only saying: ...
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)

I just want to understand following line of code in shell. It is used to get the current working directory. I am aware that $(variable) name return the value inside the variable name, but what is $(command) supposed to return? Does it return the value after executing the command? In that case, w...
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error: use of deleted function

I've been working on some C++ code that a friend has written and I get the following error that I have never seen before when compiling with gcc4.6: ...
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Git: How to edit/reword a merge commit's message?

How do I edit or reword a merge commit's message? 6 Answers 6 ...
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What are “res” and “req” parameters in Express functions?

In the following Express function: 3 Answers 3 ...
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Custom numeric format string to always display the sign

Is there any way I can specify a standard or custom numeric format string to always output the sign, be it +ve or -ve (although what it should do for zero, I'm not sure!) ...