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What does !! mean in ruby?
Just wondering what !! is in Ruby.
8 Answers
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How do I simulate a low bandwidth, high latency environment?
I need to simulate a low bandwidth, high latency connection to a server in order to emulate the conditions of a VPN at a remote site. The bandwidth and latency should be tweakable so I can discover the best combination in order to run our software package.
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How do you attach a new pull request to an existing issue on github?
I'm not sure, but I have a vague memory of creating a github pull request with "Issue 4" or something in the title, and it automatically attached itself to Issue 4 in the project that I was submitting it to. I tried it again recently and it didn't work -- it just created a brand new issue instead. I...
Explanation of [].slice.call in javascript?
I stumbled onto this neat shortcut for converting a DOM NodeList into a regular array, but I must admit, I don't completely understand how it works:
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Volatile boolean vs AtomicBoolean
What does AtomicBoolean do that a volatile boolean cannot achieve?
11 Answers
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Passing an array as a function parameter in JavaScript
I'd like to call a function using an array as parameters:
10 Answers
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Why does changing the returned variable in a finally block not change the return value?
I have a simple Java class as shown below:
7 Answers
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How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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Undefined, unspecified and implementation-defined behavior
What is undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between them?
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How do I check if an array includes a value in JavaScript?
What is the most concise and efficient way to find out if a JavaScript array contains a value?
54 Answers
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