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“unrecognized selector sent to instance” error in Objective-C
I created a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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How to sort a HashMap in Java [duplicate]
... into a HashMap<TreeSet<Person>>, though the semantics of sets and lists are a bit different.
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get keys of json-object in JavaScript [duplicate]
I have a json-object in JavaScript and I want to get the used keys in it. My JavaScript-Code looks like this:
3 Answers
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Why is this inline-block element pushed downward?
Following is my code and I want to understand that why #firstDiv is being pushed downward by all browsers. I really want to understand the inner workings of the fact that why its being pushed downward rather than pulling it upward by one way or another. (and I know how to align their tops :))
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How do I convert an HttpRequestBase into an HttpRequest object?
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Embarassingly, I also thought of this and it doesn't work. The HttpContext is the MVC context .. so there is no 'Current' property exposed on it. I'm not sure how to get access to 'oldschool' HttpContext.Current ... ???
– Pure.Krome
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How do I get AWS_ACCESS_KEY_ID for Amazon?
...ited Dec 17 '15 at 0:20
New Alexandria
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answered Jan 29 '14 at 21:46
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Xcode source automatic formatting
...y described how to auto-indent. That's not what "format" (with white space and new-line addition and removal and such things) really means.
– dergab
Apr 17 '15 at 12:40
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C++0x lambda capture by value always const?
Is there any way to capture by value, and make the captured value non-const? I have a library functor that I would like to capture & call a method that is non-const but should be.
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How do you exit from a void function in C++?
...turn statement!
return;
or
if (condition) return;
You don't need to (and can't) specify any values, if your method returns void.
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Use HTML5 to resize an image before upload
I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post .
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