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Why is division in Ruby returning an integer instead of decimal value?
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It’s doing integer division. You can make one of the numbers a Float by adding .0:
9.0 / 5 #=> 1.8
9 / 5.0 #=> 1.8
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Get class name using jQuery
...As sandino points out in his answer, there is always a chance of more than one class name being set. (for instance JQuery-UI adds helper classes all over the place). You could always checked for this using if(className.indexOf(' ') !== -1){throw new Error('Uh-oh! More than one class name!');}
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What's the difference between io.sockets.emit and broadcast?
...ts.emit and socket.broadcast.emit? Is it only that broadcast emits to everyone BUT the socket that sends it?
3 Answers
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How can I print literal curly-brace characters in python string and also use .format on it?
...ay: {0} refers to the first argument to .format(). You can print more than one value like {0} {1} {2} as long as you give the same number of arguments to .format(). See docs.python.org/library/string.html#format-examples for extensive examples.
– Greg Hewgill
F...
What is the difference between i++ and ++i?
... ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
6 Answers
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How to wait for all goroutines to finish without using time.Sleep?
...he counter when the goroutine completes.
defer wg.Done()
// Fetch the URL.
http.Get(url)
}(url)
}
// Wait for all HTTP fetches to complete.
wg.Wait()
}
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Why am I getting a “401 Unauthorized” error in Maven?
...2a, or 0.1.3 ("later") results in the error I was dealing with before this one:
– aliteralmind
Jul 18 '14 at 18:46
[ER...
Why can't I stop vim from wrapping my code?
...ly}
If you refer to auto wrapping of long lines sending them to the next one, try
:set textwidth=0
:set wrapmargin=0
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How to manage REST API versioning with spring?
...reak even if they should not) the abstracted requirement is an interesting one:
How can I do a custom request mapping that does arbitrary evaluations of header values from the request without doing the evaluation in the method body?
As described in this SO answer you actually can have the same @R...
How can I do test setup using the testing package in Go
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please note that ' code := m.Run() ' is the one that runs other TestFunctions !
– Alex Punnen
Aug 8 '19 at 8:58
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