ruby Archives - Page 9 of 19

Can’t install Ruby under Lion with RVM – GCC issues

Most questions regarding this problem are due to missing Xcode; I have Xcode 4.2 installed. Install attempt: rvm install 1.9.3 Installing Ruby from ...

May 20, 2022
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How to check for file existence [duplicate]

This question already has answers here: How to check if a directory/file/symlink exists with one command in Ruby (3 answers) Closed 5 years ...

May 20, 2022
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Best way to convert strings to symbols in hash

What’s the (fastest/cleanest/straightforward) way to convert all keys in a hash from strings to symbols in Ruby? This would be handy when parsing ...

May 19, 2022
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Update just one gem with bundler

I use bundler to manage dependencies in my rails app, and I have a gem hosted in a git repository included as followed: ...

May 19, 2022
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What is the difference between print and puts?

For example in this line of code I wrote, print and puts produce different results. 1.upto(1000).each { |i| print i if i % ...

May 19, 2022
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Ruby, remove last N characters from a string?

What is the preferred way of removing the last n characters from a string? 13 Answers 13

May 18, 2022
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Sort hash by key, return hash in Ruby

Would this be the best way to sort a hash and return Hash object (instead of Array): h = {"a"=>1, "c"=>3, "b"=>2, "d"=>4} ...

May 18, 2022
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p vs puts in Ruby

Is there any difference between p and puts in Ruby? 8 Answers 8

May 18, 2022
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Iterate through every file in one directory

How do I write a loop in ruby so that I can execute a block of code on each file? I’m new to ...

May 18, 2022
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Pass variables to Ruby script via command line

I’ve installed RubyInstaller on Windows and I’m running IMAP Sync but I need to use it to sync hundreds of accounts. If I ...

May 18, 2022
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