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bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
I am new to Ruby and trying to wrap my head around following concepts: bundler vs RVM vs gems vs RubyGems vs gemsets vs system rub and I'm confused.
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How do I clone into a non-empty directory?
I have directory A with files matching directory B. Directory A may have other needed files. Directory B is a git repo.
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Best practices/performance: mixing StringBuilder.append with String.concat
I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this
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How to test if a string is basically an integer in quotes using Ruby
I need a function, is_an_integer , where
20 Answers
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Hidden features of Python [closed]
What are the lesser-known but useful features of the Python programming language?
191 Answers
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Accessing an array out of bounds gives no error, why?
I am assigning values in a C++ program out of the bounds like this:
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python: How do I know what type of exception occurred?
I have a function called by the main program:
15 Answers
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How to establish a connection pool in JDBC?
Can anybody provide examples or links on how to establish a JDBC connection pool?
13 Answers
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Is there a printf converter to print in binary format?
I can print with printf as a hex or octal number. Is there a format tag to print as binary, or arbitrary base?
52 Answer...
Why can't strings be mutable in Java and .NET?
Why is it that they decided to make String immutable in Java and .NET (and some other languages)? Why didn't they make it mutable?
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