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jQuery - Detecting if a file has been selected in the file input [duplicate]
... add IDs to your input and span so you can select based on those to be specific to the elements you are concerned with and not other file inputs or spans in the DOM.
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CSS rule to apply only if element has BOTH classes [duplicate]
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Also: .abc.xyz is more specific than .abc or .xyz or div so !important is not necessary.
– Jan
Apr 26 '11 at 21:29
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Correct way to override Equals() and GetHashCode() [duplicate]
...de bool Equals(object obj)
{
var item = obj as RecommendationDTO;
if (item == null)
{
return false;
}
return this.RecommendationId.Equals(item.RecommendationId);
}
public override int GetHashCode()
{
return this.RecommendationId.GetHashCode();
}
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Value of type 'T' cannot be converted to
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Even though it's inside of an if block, the compiler doesn't know that T is string.
Therefore, it doesn't let you cast. (For the same reason that you cannot cast DateTime to string)
You need to cast to object, (which any T can cast to), and from there to...
Is it correct to use alt tag for an anchor link?
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Such things are best answered by looking at the official specification:
go to the specification: https://www.w3.org/TR/html5/
search for "a element": https://www.w3.org/TR/html5/text-level-semantics.html#the-a-element
check "Content attributes", which lists all allowed attributes for...
ASP.Net MVC Html.HiddenFor with wrong value
...e POST request and after that the value in the model. This means that even if you modify the value of the model in your controller action if there is the same variable in the POST request your modification will be ignored and the POSTed value will be used.
One possible workaround is to remove this ...
How can I tell if a library was compiled with -g?
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If you're running on Linux, use objdump --debugging. There should be an entry for each object file in the library. For object files without debugging symbols, you'll see something like:
objdump --debugging libvoidincr.a
In ...
How can I concatenate two arrays in Java?
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How is it "cheating" if it answers the question? Sure, having an extra dependency is probably overkill for this specific situation, but no harm is done in calling out that it exists, especially since there's so many excellent bits of functionalit...
jQuery - prevent default, then continue default
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It's not a good example becayse it's synchronyous. What if the stuff I need to do is async call? So the case is "click submit -> do async stuff and dont' submit the form -> in async callback fill some fields in the form -> submit the form from the callback"
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
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1. To get an encoding parameter in Python 2:
If you only need to support Python 2.6 and 2.7 you can use io.open instead of open. io is the new io subsystem for Python 3, and it exists in Python 2,6 ans 2.7 as well. Please be aware that in Python 2.6 (as well as 3.0) it'...