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Why use symbols as hash keys in Ruby?
...hed keys" against each other.
Long answer:
https://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings
http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/
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Can I pass an array as arguments to a method with variable arguments in Java?
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185
The underlying type of a variadic method function(Object... args) is function(Object[] args). ...
Add a dependency in Maven
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139
You'll have to do this in two steps:
1. Give your JAR a groupId, artifactId and version and ad...
Can I set max_retries for requests.request?
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166
It is the underlying urllib3 library that does the retrying. To set a different maximum retry ...
How can I wrap text to some length in Vim?
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179
You can actually do two things:
Let vim format (i.e.change) your text to have shorter lines,...
How to convert boost path type to string?
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167
You just need to call myPath.string().
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Convert array of integers to comma-separated string
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edited May 31 '13 at 18:34
Gibron
1,25011 gold badge99 silver badges2222 bronze badges
ans...
how to provide a swap function for my class?
...amp; lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
friend void swap(Bar&...
How to get Enum Value from index in Java?
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answered Jul 14 '11 at 11:53
Harry JoyHarry Joy
53.4k2828 gold badges147147 silver badges200200 bronze badges
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How do I use Node.js Crypto to create a HMAC-SHA1 hash?
...const text = 'I love cupcakes'
const key = 'abcdeg'
crypto.createHmac('sha1', key)
.update(text)
.digest('hex')
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