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How do I copy a hash in Ruby?

I'll admit that I'm a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. Half an hour of searching didn't find it in ruby. I want to create a copy of the hash so that I can modify it without affecting the original instance. ...
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Can I use GDB to debug a running process?

Under linux, can I use GDB to debug a process that is currently running? 8 Answers 8 ...
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How do I check if a string is a number (float)?

What is the best possible way to check if a string can be represented as a number in Python? 33 Answers ...
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ExpressJS How to structure an application?

I'm using the ExpressJS web framework for NodeJS. 21 Answers 21 ...
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How do you use “

I just finished reading about scoping in the R intro , and am very curious about the <<- assignment. 6 Answers ...
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Sleeping in a batch file

When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...
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How do I find files with a path length greater than 260 characters in Windows?

I'm using a xcopy in an XP windows script to recursively copy a directory. I keep getting an 'Insufficient Memory' error, which I understand is because a file I'm trying to copy has too long a path. I can easily reduce the path length, but unfortunately I can't work out which files are violating t...
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Merge and interleave two arrays in Ruby

I have the following code: 11 Answers 11 ...
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How can I make a weak protocol reference in 'pure' Swift (without @objc)

weak references don't seem to work in Swift unless a protocol is declared as @objc , which I don't want in a pure Swift app. ...
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eval command in Bash and its typical uses

After reading the bash man pages and with respect to this post . 10 Answers 10 ...