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Converting String to “Character” array in Java
...=
str.chars().mapToObj(c -> (char)c).toArray(Character[]::new);
What it does is:
get an IntStream of the characters (you may want to also look at codePoints())
map each 'character' value to Character (you need to cast to actually say that its really a char, and then Java will box it aut...
Why are quaternions used for rotations?
...sely defined meaning, but in some rather technical ways that go far beyond what's taught in normal intro classes, so I won't go into any detail). It turns out that quaternions don't have this nice behavior, and so they aren't useful, and vectors/matrices do, so we use them.
Well, I am a physicist,...
How can I concatenate two arrays in Java?
...
@djBo: what about:ByteBuffer buffer = ByteBuffer.allocate(array1.length + array2.length); buffer.put(array1); buffer.put(array2); return buffer.array();
– Sam Goldberg
Dec 2 '11 at 15:29
...
How can I prevent the textarea from stretching beyond his parent DIV element? (google-chrome issue o
...idth: 1px;
}
Sorry for the sloppy code block here, but I had to show you what's important and I don't know how to insert quoted CSS code on this website. In any case, to ensure you see what I'm talking about, the important CSS is less indented here...
What I then did (as shown here) is very speci...
Android: how to handle button click
...{
// TODO Auto-generated method stub
***Do what you want with the click here***
}
});
This is my favorite as it has the onClick method right next to where the button variable was set with the findViewById. It seems very neat and tidy that everythi...
How to read a large file - line by line?
...
what would be the best strategy if a file is a huge text file but with one line and the idea is to process words?
– mfcabrera
Dec 18 '13 at 14:48
...
static files with express.js
...ve this setup
/app
/public/index.html
/media
Then this should get what you wanted
var express = require('express');
//var server = express.createServer();
// express.createServer() is deprecated.
var server = express(); // better instead
server.configure(function(){
server.use('/media'...
Iterate an iterator by chunks (of n) in Python? [duplicate]
...rouper() recipe from the itertools documentation's recipes comes close to what you want:
def grouper(n, iterable, fillvalue=None):
"grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
args = [iter(iterable)] * n
return izip_longest(fillvalue=fillvalue, *args)
It will fill up the last chun...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f14870819%2fwhat-is-the-difference-between-collections-emptylist-and-collections-empty-lis%23new-answer', 'question_page');
}
);
Post as a guest
...
What is the use of the pipe symbol in YAML?
...he array item (specified by -) and the literal is indented 4 from it. Somewhat surprisingly the final: | mapping is not considered a block element even though its value is multi-lined. It sort of makes sense if you think about it -- it's still just a 'one-liner' "key: value" mapping. The value ju...