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Is there an “exists” function for jQuery?
...ata functions. I do see your point though and, for what it's worth, I just test for length > 0 anyways.
– Matthew Crumley
Jan 16 '09 at 5:42
40
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How to use getJSON, sending data with post method?
..._GET['callback']."(".json_encode($myarr).");");
I made some cross-domain tests and it seems to work. Still need more testing though.
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What does = +_ mean in JavaScript
... it will evaluate to NaN.
It is also noted that
unary plus is the fastest and preferred way of converting something into a number
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Why is String immutable in Java?
...mizes your String objects, it sees that if two objects have same value (a="test", and b="test") and thus you need only one string object (for both a and b, these two will point to the same object).
Class loading: String is used as arguments for class loading. If mutable, it could result in wrong cla...
How to dynamically compose an OR query filter in Django?
...jects.all(). Easy to mitigate by returning Article.objects.none() for that test though.
– Wil
Oct 1 '18 at 14:33
2
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Swift days between two NSDates
... end).day!
}
The naming feels more Swifty, it's one line, and using the latest dateComponents() method.
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How do I set cell value to Date and apply default Excel date format?
...DataFormat() without the creation helper and generated an Excel file in my test. Is there a downside to not using it? Thanks!
– Rashiki
Mar 28 '17 at 15:23
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How can I check if a scrollbar is visible?
...r(); // returns true if there's a `vertical` scrollbar, false otherwise..
tested working on Firefox, Chrome, IE6,7,8
but not working properly on body tag selector
demo
Edit
I found out that when you have horizontal scrollbar that causes vertical scrollbar to appear, this function does not work.......
Convert string to variable name in JavaScript
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@goggin You should regex-test the argument to make sure that it's a valid name. Just evaling the argument without checking it first is ridiculously insecure.
– Šime Vidas
Apr 10 '11 at 18:54
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Generic type conversion FROM string
...ms to work for me:
public object Get( string _toparse, Type _t )
{
// Test for Nullable<T> and return the base type instead:
Type undertype = Nullable.GetUnderlyingType(_t);
Type basetype = undertype == null ? _t : undertype;
return Convert.ChangeType(_toparse, basetype);
}
p...