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How do I Convert DateTime.now to UTC in Ruby?
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156
d = DateTime.now.utc
Oops!
That seems to work in Rails, but not vanilla Ruby (and of course t...
jQuery map vs. each
...ems = $.map(items, function(i) {
return i + 1;
});
// newItems is [2,3,4,5]
You can also use the map function to remove an item from an array. For example:
var items = [0,1,2,3,4,5,6,7,8,9];
var itemsLessThanEqualFive = $.map(items, function(i) {
// removes all items > 5
if (i > 5) ...
How to work around the stricter Java 8 Javadoc when using Maven
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5 Answers
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Code Golf: Collatz Conjecture
...mand line:
;
; >> $ ./collatz 123
; >> 123 --> 370 --> 185 --> 556 --> 278 --> 139 --> 418 --> 209 --> 628 --> 314
; >> --> 157 --> 472 --> 236 --> 118 --> 59 --> 178 --> 89 --> 268 --> 134 --> 67
; >> --> 202 -->...
JavaScript get window X/Y position for scroll
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answered Aug 12 '10 at 5:09
thomasrutterthomasrutter
101k2424 gold badges133133 silver badges156156 bronze badges
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Analyze audio using Fast Fourier Transform
...frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately)
The first coefficient in your array will be the 0 frequency coefficient. That is basically the average power level for all frequencies. The rest of your coef...
Set scroll position
... Martijn
14.1k33 gold badges2727 silver badges5959 bronze badges
answered Nov 16 '10 at 9:52
Nick Craver♦Nick Craver
580k1...
Resolve Type from Class Name in a Different Assembly
...tem.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089");
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Flexbox and Internet Explorer 11 (display:flex in ?)
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