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Change R default library path using .libPaths in Rprofile.site fails to work
I am running R on Windows, not as an administrator. When I install a package, the following command doesn't work:
15 Answer...
Quick unix command to display specific lines in the middle of a file?
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Or more specifically 10 lines before: grep -B 10 ... Or 10 lines after: grep -A 10 ...
– Boy Baukema
May 21 '12 at 11:14
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Gradient of n colors ranging from color 1 and color 2
I often work with ggplot2 that makes gradients nice ( click here for an example ). I have a need to work in base and I think scales can be used there to create color gradients as well but I'm severely off the mark on how. The basic goal is generate a palette of n colors that ranges from x colo...
How to increase code font size in IntelliJ?
... doing it via Appearances as shown, but this seems to not affect code font or size
21 Answers
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What are '$$' used for in PL/pgSQL
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The dollar signs are used for dollar quoting and are in no way specific to function definitions. It can be used to replace single quotes practically anywhere in SQL scripts.
The body of a function happens to be a string literal which has to be enclos...
When to use std::size_t?
I'm just wondering should I use std::size_t for loops and stuff instead of int ?
For instance:
13 Answers
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What is the Scala annotation to ensure a tail recursive function is optimized?
...ve function. Do you just put it in front of the declaration? Does it also work if Scala is used in scripting mode (for instance using :load <file> under REPL)?
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How to know the size of the string in bytes?
I'm wondering if I can know how long in bytes for a string in C#, anyone know?
3 Answers
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How to add leading zeros?
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The short version: use formatC or sprintf.
The longer version:
There are several functions available for formatting numbers, including adding leading zeroes. Which one is best depends upon what other formatting you want to do....
Creating threads - Task.Factory.StartNew vs new Thread()
...xecuted synchronous if appropiate.
If you have a long running background work you should specify this by using the correct Task Option.
You should prefer Task Parallel Library over explicit thread handling, as it is more optimized. Also you have more features like Continuation.
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