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R data formats: RData, Rda, Rds etc

What are the main differences between .RData, .Rda and .Rds files? 2 Answers 2 ...
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How big is too big for a PostgreSQL table?

I'm working on the design for a RoR project for my company, and our development team has already run into a bit of a debate about the design, specifically the database. ...
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How do I get whole and fractional parts from double in JSP/Java?

How do I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3 ...
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is there any way to force copy? copy without overwrite prompt, using windows?

I want to write a list of windows commands(it's a long list) where it does all these magical things for me, but whenever I use copy, it stops to ask fro overwrite prompt. When I type yes, it overwrites the old file then just stops there. ...
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What is Pseudo TTY-Allocation? (SSH and Github)

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Can I simultaneously declare and assign a variable in VBA?

I'm new to VBA and want to know if I can convert the following declaration and assignment into one line: 5 Answers ...
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Stash just a single file

I'd like to be able to stash just the changes from a single file: 5 Answers 5 ...
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Composer: how can I install another dependency without updating old ones?

I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output: ...
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New Line on PHP CLI

I have a php CLI script and cannot get the output to break on new lines. I do 4 Answers ...
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Will writeToFile:atomically: overwrite data?

Really simple question but it doesn't seem to be clear in Apple's docs. 2 Answers 2 ...