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How do I encode and decode a base64 string?

..., I'll agree that wrapping a deref error is definitely dubious (plus we're all slowly agreeing to the fact that null as a concept is a bit of a hack to begin with), but we can still see some effects otherwise: the parameter name given in the exception might not be correct if left unchecked. ...
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How to use setInterval and clearInterval?

Hi all, 5 Answers 5 ...
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What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i

...e to a future release of Ruby. I'm using rails 3.2.0 on ruby 1.9.3-p0 installed through RVM as a single user. So the location in my case is: ~/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/webrick/httpresponse.rb The location of the file to be altered differs depending on the type of installation, R...
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What is the exact meaning of Git Bash?

... , fetch , and merge . But I still don't know what Git Bash itself actually is! 4 Answers ...
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Does R have an assert statement as in python?

...ndition that will throw an error in your program. Here's an example: Less_Than_8 = function(x) return(x < 8) for (i in 1:10) { print(i) stopifnot(Less_Than_8(i)) } This will print the numbers 1 through 8, then print a message that says Error: Less_Than_8(i) is not TRUE It would be ni...
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What's the most elegant way to cap a number to a segment? [closed]

...a-library" answer but just in case you're using Lodash you can use .clamp: _.clamp(yourInput, lowerBound, upperBound); So that: _.clamp(22, -10, 10); // => 10 Here is its implementation, taken from Lodash source: /** * The base implementation of `_.clamp` which doesn't coerce arguments. * * ...
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How do I allow HTTPS for Apache on localhost?

... up HTTPS with a self-signed cert on Apache on localhost, but how do I actually do that? I have no idea at all. 16 Answers ...
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Explain how finding cycle start node in cycle linked list work?

...t node in the cycle. When the tortoise and hare meet, we have found the smallest i (the number of steps taken by the tortoise) such that Xi = X2i. Let mu represent the number of steps to get from X0 to the start of the cycle, and let lambda represent the length of the cycle. Then i = mu + alambda,...
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Twitter Bootstrap: div in container with 100% height

... The #map is actually obscured behind the navbar in this example. – Ethereal May 7 '13 at 19:57  |...
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How to generate all permutations of a list?

How do you generate all the permutations of a list in Python, independently of the type of elements in that list? 33 Answer...