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How to create a JavaScript callback for knowing when an image is loaded?
...()
} else {
img.addEventListener('load', loaded)
img.addEventListener('error', function() {
alert('error')
})
}
Source: http://www.html5rocks.com/en/tutorials/es6/promises/
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Mark error in form using Bootstrap
...ave gone wrong</span>
</div>
<div class="form-group has-error">
<label class="control-label" for="inputError">Input with error</label>
<input type="text" class="form-control" id="inputError">
<span class="help-block">Please correct the error&...
How to replace a hash key with another key
...but you should be aware that using those two operators in ruby is not only error prone but also very dangerous when used wrong in validations against injections. See here for an explanation. Hope you don't mind spreading the awareness.
– Jorn van de Beek
Sep ...
Why would I prefer using vector to deque
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Error: Cannot access file bin/Debug/… because it is being used by another process
When I debug my project, I get following error:
27 Answers
27
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...er may have the wrong class in your xib.
I downloaded your project.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second vi...
iOS 7.0 No code signing identities found
... the app. Once I got those to match, the submit dialog quit giving me that error.
– Chuck Krutsinger
Sep 23 '14 at 21:06
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Express next function, what is it really for?
...te'). Do you now the purpose of these, when would you like to propagate an error, and when would you like to jump to a certain route?
– Andreas Selenwall
Oct 30 '12 at 6:23
8
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Basic HTTP authentication with Node and Express 4
It looks like implementing basic HTTP authentication with Express v3 was trivial:
9 Answers
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Why do we need C Unions?
When should unions be used? Why do we need them?
18 Answers
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