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How do I find the .NET version?
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edited Apr 23 '17 at 11:25
Peter Mortensen
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What is the most efficient way to concatenate N arrays?
... can be used instead to add elements from one array to the end of another without producing a new array. With slice() it can also be used instead of concat() but there appears to be no performance advantage from doing this.
var a = [1, 2], b = ["x", "y"];
a.push.apply(a, b);
console.log(a); // [1, ...
Twitter image encoding challenge [closed]
If a picture's worth 1000 words, how much of a picture can you fit in 140 characters?
15 Answers
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defaultdict of defaultdict?
...alled when you try to access a key that doesn't exist. The return value of it will be set as the new value of this key, which means in our case the value of d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist]...
JavaScript % (modulo) gives a negative result for negative numbers
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edited Mar 13 '19 at 11:15
Martijn Pieters♦
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How do you get a string from a MemoryStream?
If I am given a MemoryStream that I know has been populated with a String , how do I get a String back out?
11 Answers...
Long press gesture on UICollectionViewCell
...izer to a (subclass of) UICollectionView. I read in the documentation that it is added by default, but I can't figure out how.
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Check whether an input string contains a number in javascript
My end goal is to validate an input field. The input may be either alphabetic or numeric.
12 Answers
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Link to reload current page
Is it possible to have a normal link pointing to the current location?
21 Answers
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How to log something in Rails in an independent log file?
...}/log/my.log")
end
def before_save
my_logger.info("Creating user with name #{self.name}")
end
end
Here I used a class attribute to memoize the logger. This way it won't be created for every single User object that gets created, but you aren't required to do that. Remember also that you ...