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What do all of Scala's symbolic operators mean?

...ook for them. Or, failing that, look at the index (presently broken on 2.9.1, but available on nightly). Every Scala code has three automatic imports: // Not necessarily in this order import _root_.java.lang._ // _root_ denotes an absolute path import _root_.scala._ import _root_.scala.Predef...
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How can I reverse a list in Python?

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Finding sum of elements in Swift array

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In Clojure, when should I use a vector over a list, and the other way around?

... 112 Once again, it seems I've answered my own question by getting impatient and asking it in #cloj...
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Bin size in Matplotlib (Histogram)

...undaries. They can be unequally distributed, too: plt.hist(data, bins=[0, 10, 20, 30, 40, 50, 100]) If you just want them equally distributed, you can simply use range: plt.hist(data, bins=range(min(data), max(data) + binwidth, binwidth)) Added to original answer The above line works for da...
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How can I split a text into sentences?

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How to count certain elements in array?

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MySQL IF NOT NULL, then display 1, else display 0

... 214 Instead of COALESCE(a.addressid,0) AS addressexists, use CASE: CASE WHEN a.addressid IS NOT NU...
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What is recursion and when should I use it?

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What's the difference between integer class and numeric class in R

... answered May 14 '14 at 17:07 Greg SnowGreg Snow 44.2k44 gold badges7070 silver badges9797 bronze badges ...