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How do I get the difference between two Dates in JavaScript?
...);
console.log(a + 10);
So if you have risk of adding a number and Date, convert Date to number directly.
console.log(a.getTime() - 10);
console.log(a.getTime() + 10);
My fist example demonstrates the power of Date object but it actually appears to be a time bomb
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console.log timestamps in Chrome?
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I convert arguments to Array using Array.prototype.slice so that I can concat with another Array of what I want to add, then pass it into console.log.apply(console, /*here*/);
var log = function () {
return console.log.app...
Check if one IEnumerable contains all elements of another IEnumerable
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There is no "fast way" to do this unless you track and maintain some state that determines whether all values in one collection are contained in another. If you only have IEnumerable<T> to work against, I would use Intersect.
var allOfList1IsInList2 = list1.Intersect(list2)....
How to generate a random string in Ruby
...ts you want: (36**(length-1) + rand(36**length)).to_s(36). 36**(length-1) converted to base 36 is 10**(length-1), which is the smallest value that has the digit length you want.
– Eric Hu
Oct 7 '11 at 22:01
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iOS - forward all touches through a view
... (UIView* subview in self.subviews ) {
if ( [subview hitTest:[self convertPoint:point toView:subview] withEvent:event] != nil ) {
return YES;
}
}
return NO;
}
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AngularJs event to call after content is loaded
...w. The other issue was that I was calling it funky.... ... what I get for converting coffeescript from memory to JS.
– jusopi
Jun 9 '15 at 18:53
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Save An Image To Application Documents Folder From UIView On IOS
... I followed your suggestion & code. but it is not appearing into the photos sections. How did this happen?
– NovusMobile
Jan 7 '17 at 8:54
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Fragment onResume() & onPause() is not called on backstack
...he fragment should actually be moved to the stopped state when swapped out into the backstack. But not only are onPause and onResume not getting called, neither are onStop and onStart -- or for that matter, any other lifecycle methods. So the guide is definitely misleading.
–...
System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
...do a lot of this, using Joda Time is probably a good idea, for the cleaner interface and better performance.
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Numbering rows within groups in a data frame
... It might be worth mentioning that ave gives a float instead of an int here. Alternately, could change df$val to seq_len(nrow(df)). I just ran into this over here: stackoverflow.com/questions/42796857/…
– Frank
Mar 14 '17 at 22:07
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