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What does “S3 methods” mean in R?
... the eye of the beholder, and particularly, the user of your newly created funky model fitting package, it is much more convenient to be able to type predict(myfit, type="class") than predict.mykindoffit(myfit, type="class").
There is quite a bit more to it, but this should get you started. There a...
Explicitly calling return in a function or not
...ve) for recommending a user to explicitly calling return at the end of a function (his comment was deleted though):
9 Ans...
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
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I use following code which replicate adapter functionality with ViewGroup and TabLayout. Good thing about this is that if you change your list and bind again, it will only affect changed items:
Usage:
val list = mutableListOf<Person>()
layout.bindChildren(list, ...
What's your favorite “programmer” cartoon?
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Oh! There can be only one:
It's sooo funny, because it's true :)
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edited Feb 8 '17 at 14:08
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Ruby ampersand colon shortcut [duplicate]
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Fun to see the [*3..7] syntax. I didn't realize you could splat like that!
– Ben Coppock
Jul 11 '19 at 4:54
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How do I find the maximum of 2 numbers?
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Use the builtin function max.
Example:
max(2, 4) returns 4.
Just for giggles, there's a min as well...should you need it. :P
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imp...
Ruby array to string conversion
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I'll join the fun with:
['12','34','35','231'].join(', ')
EDIT:
"'#{['12','34','35','231'].join("', '")}'"
Some string interpolation to add the first and last single quote :P
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Good beginners tutorial to socket.io? [closed]
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A 'fun' way to learn socket.io is to play BrowserQuest by mozilla and look at its source code :-)
http://browserquest.mozilla.org/
https://github.com/mozilla/BrowserQuest
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How to sort ArrayList in decreasing order?
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Java 8
well doing this in java 8 is so much fun and easier
Collections.sort(variants,(a,b)->a.compareTo(b));
Collections.reverse(variants);
Lambda expressions rock here!!!
in case you needed a more than one line logic for comparing a and b you could write it li...
JUnit Testing Exceptions [duplicate]
...xample == null) {
throw new NullPointerException();
}
//do fun things with valid example here
}
Then, when you run this JUnit test you will get a green bar:
@Test(expected = NullPointerException.class)
public void constructorShouldThrowNullPointerException() {
Example example ...