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How does zip(*[iter(s)]*n) work in Python?
... ^
And since you ask for a more verbose code sample:
chunk_size = 3
L = [1,2,3,4,5,6,7,8,9]
# iterate over L in steps of 3
for start in range(0,len(L),chunk_size): # xrange() in 2.x; range() in 3.x
end = start + chunk_size
print L[start:end] # three-item chunks
Following ...
How do you move a commit to the staging area in git?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to grey out a button?
I have a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that?
...
PHP Function with Optional Parameters
...onal optional args.
//My function with tons of optional params
function my_func($req_a, $req_b, $opt_a = NULL, $opt_b = NULL, $opt_c = NULL)
{
//Do stuff
}
my_func('Hi', 'World', null, null, 'Red');
However, I usually find that when I start writing a function/method with that many arguments - m...
How to make a copy of a file in android?
...or me with the exception java.io.FileNotFoundException: /sdcard/AppProj/IMG_20150626_214946.jpg: open failed: ENOENT (No such file or directory) at the FileOutputStream outStream = new FileOutputStream(dst); step. According to the text I realize, that the file doesn't exist, so I check it and call d...
TypeScript type signatures for functions with variable argument counts
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Why are Perl 5's function prototypes bad?
...nce. (As an aside, this is why I don't initialize arrays/lists to 0- or 1-based numeric sequences in throw-away, demonstrative code. Confusion between indices, counts, and elements in contexts has bitten me more than once. Silly but true.)
– pilcrow
May 9 '1...
How to access parent Iframe from JavaScript
...d Oct 10 '10 at 16:13
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Using Pairs or 2-tuples in Java [duplicate]
...uple)){
return false;
}
Tuple<X,Y> other_ = (Tuple<X,Y>) other;
// this may cause NPE if nulls are valid values for x or y. The logic may be improved to handle nulls properly, if needed.
return other_.x.equals(this.x) && other_.y.equa...
Command to remove all npm modules globally?
...version, see Ollie Bennett's Answer.
npm ls -gp --depth=0 | awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm
Here is how it works:
npm ls -gp --depth=0 lists all global top level modules (see the cli documentation for ls)
awk -F/ '/node_modules/ && !/\/npm$/ ...