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Number of lines in a file in Java
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240
This is the fastest version I have found so far, about 6 times faster than readLines. On a 150MB...
How do I represent a hextile/hex grid in memory?
...ex grids also)
– amitp
Jun 7 '13 at 0:58
I find the blog super confusing, using x,y,z and q,r,s then the implementatio...
How to create UILabel programmatically using Swift?
...wDidLoad()
{
super.viewDidLoad()
var label = UILabel(frame: CGRectMake(0, 0, 200, 21))
label.center = CGPointMake(160, 284)
label.textAlignment = NSTextAlignment.Center
label.text = "I'm a test label"
self.view.addSubview(label)
}
Swift 3.0+ Update:
let label = UILabel(frame: CGRect...
ItemsControl with horizontal orientation
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470
Simply change the panel used to host the items:
<ItemsControl ...>
<ItemsControl.I...
When should I use Struct vs. OpenStruct?
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180
With an OpenStruct, you can arbitrarily create attributes. A Struct, on the other hand, must ha...
'printf' vs. 'cout' in C++
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360
I'm surprised that everyone in this question claims that std::cout is way better than printf, ev...
Calculating frames per second in a game
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100
You need a smoothed average, the easiest way is to take the current answer (the time to draw th...
Get exit code of a background process
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130
1: In bash, $! holds the PID of the last background process that was executed. That will tell y...
Count number of matches of a regex in Javascript
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edited Apr 10 '18 at 20:52
Trevor
11.4k1111 gold badges6767 silver badges9090 bronze badges
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Difference between Big-O and Little-O Notation
... O(g) says, essentially
For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a.
Note that O(g) is the set of all functions for which this condition holds.
f ∈ o(g) says, essentially
For every c...