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Detecting an “invalid date” Date instance in JavaScript

...a date } Update [2018-05-31]: If you are not concerned with Date objects from other JS contexts (external windows, frames, or iframes), this simpler form may be preferred: function isValidDate(d) { return d instanceof Date && !isNaN(d); } ...
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make: Nothing to be done for `all'

... Remove the hello file from your folder and try again. The all target depends on the hello target. The hello target first tries to find the corresponding file in the filesystem. If it finds it and it is up to date with the dependent files—there ...
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How to truncate milliseconds off of a .NET DateTime

I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precisio...
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JavaScript OR (||) variable assignment explanation

... "Hello" The first 5 values upto NaN are falsy so they are all evaluated from left to right, until it meets the first truthy value - "Hello" which makes the entire expression true, so anything further up will not be evaluated, and "Hello" gets returned as a result of the expression. Similarly, in ...
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Cropping an UIImage

...ully. The resulting CGImage holds a strong reference to the larger CGImage from which it was cropped. So if you want to only hang on to the cropped image and have no need for original, take a look at the other solutions. – jsadler Aug 22 '17 at 21:00 ...
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“wait_fences: failed to receive reply: 10004003”?

...ttonIndex { [myTextField resignFirstResponder]; [myTextField removeFromSuperview]; [myTextField release]; } share | improve this answer | follow ...
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Is it valid to have a html form inside another html form?

...he data to a PHP script and dividing and sending to their own destinations from there. Although, you did answer the question which is great, it's just a bad and pointless practice because you could do it the right way in less time. – user1596138 May 16 '13 at 2...
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EditText, clear focus on touch outside

...rvice(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(v.getWindowToken(), 0); } } } return false; } }); Return false to let the touch handling fall through. It's hacky, but it's the only thing that worked for me. ...
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C++ multiline string literal

... Perfect for me, adding a huge multi-line float-list string from a collada file for unit testing. I didn't fancy putting quotes everywhere, I needed a copy&paste solution. – Soylent Graham Aug 1 '12 at 11:39 ...
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Add object to ArrayList at specified index

... System.out.println(i+": "+a.get(i)); } } yields this result from the console: 0: zero 1: one 2: two 3: null 4: null 5: five share | improve this answer | ...