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How to get a random number in Ruby
...you need to guess 10 numbers, you can initialize them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, ...
Why does find -exec mv {} ./target/ + not work?
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answered Apr 9 '11 at 20:26
LekensteynLekensteyn
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How do I change the font size of a UILabel in Swift?
...can do it like this:
label.font = UIFont(name: label.font.fontName, size: 20)
Or like this:
label.font = label.font.withSize(20)
This will use the same font. 20 can be whatever size you want of course.
Note: The latter option will overwrite the current font weight to regular so if you want to...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... B log x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20, 50, 79])
>>> y = numpy.array([10, 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of both ...
What is a regular expression which will match a valid domain name without a subdomain?
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What is android:weightSum in android, and how does it work?
... android:layout_width="500dp"
android:layout_height="20dp" >
<TextView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="3"
android:backgr...
Create table with jQuery - append
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answered Jan 5 '12 at 20:30
sransarasransara
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Positioning MKMapView to show multiple annotations at once
...afaMustafa
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Sort hash by key, return hash in Ruby
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answered Dec 2 '10 at 20:36
PeterPeter
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