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What is scope/named_scope in rails?

I've recently started an internship. My employer uses ruby on rails, and I frequently encounter new syntax that I need to look up to understand. I've googled around for a good explanation of named_scope, but what I've found so far is mostly blog posts giving high praise for it, rather a straight def...
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What's the difference between a proxy server and a reverse proxy server? [closed]

What is the difference between a proxy server and a reverse proxy server? 21 Answers 2...
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Why is whitespace sometimes needed around metacharacters?

A few months ago I tattooed a fork bomb on my arm, and I skipped the whitespaces, because I think it looks nicer without them. But to my dismay, sometimes (not always) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error. ...
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Under what conditions is a JSESSIONID created?

When / what are the conditions when a JSESSIONID is created? 5 Answers 5 ...
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Explaining Apache ZooKeeper

I am trying to understand ZooKeeper, how it works and what it does. Is there any application which is comparable to ZooKeeper? ...
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Should the folders in a solution match the namespace?

Should the folders in a solution match the namespace? 7 Answers 7 ...
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How can I pass a list as a command-line argument with argparse?

I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option? ...
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How do I check for a network connection?

What is the best way to determine if there is a network connection available? 4 Answers ...
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SQL Server dynamic PIVOT query?

I've been tasked with coming up with a means of translating the following data: 7 Answers ...
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Implicit type conversion rules in C++ operators

I want to be better about knowing when I should cast. What are the implicit type conversion rules in C++ when adding, multiplying, etc. For example, ...