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Java “params” in method signature?
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In Java it's called varargs, and the syntax looks like a regular parameter, but with an ellipsis ("...") after the type:
public void foo(Object... bar) {
for (Object baz : bar) {
System.out.println(baz.toString());
}
}
The vararg param...
Finding row index containing maximum value using R
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@bartektartanus And how do you suppose which.max figures out the max? :p
– Nick Ulle
Nov 29 '14 at 23:30
10
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Passing a single item as IEnumerable
...ss in a list or an array, then an unscrupulous piece of code could cast it and change the contents, leading to odd behaviour in some situations. You could use a read-only collection, but that's likely to involve even more wrapping. I think your solution is as neat as it gets.
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What can I do with a moved-from object?
Does the standard define precisely what I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient.
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Regex Last occurrence?
...is only for the Regexr test needed. It changes the meaning of the the $. Standard is end of the string, with Multiline its end of the row. Because the test text in Regexr has multiple rows I need this option there.
– stema
Dec 4 '11 at 12:20
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Android - Set fragment id
...nsaction's add(int containerViewId, Fragment fragment, String tag) method and FragmentManager's findFragmentByTag(String) method.
In one of my apps, I was forced to generate strings dynamically. But it's not that expensive relative to the actual FragmentTransaction, anyway.
Another advantage to ...
How to paste over without overwriting register
...d be fine as long as you don't use a plugin that has a non-nore vmap to p, and that expects a register to be overwritten.
This code is available as a script there. Ingo Karkat also defined a plugin solving the same issue.
s...
how to delete all cookies of my website in php
...ferent domain settings. One of them will make it into the $_COOKIE array, and the other won't. But they will both be visible in HTTP_COOKIE. If you want to clean this situation up, this is the way to do it.
– dlo
Jun 10 '15 at 13:08
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Is it possible to have nested templates in Go using the standard library?
.../django-templates does. Is it possible using just html/template in the standard library.
5 Answers
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Elegant way to invert a map in Scala
Learning Scala currently and needed to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but came up with only:
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