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Copy array items into another array
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Tom Wadley
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answered Nov 11 '10 at 15:37
WiseGuyEhWiseGuyEh...
Difference between map and collect in Ruby?
...chmark code:
require 'benchmark'
h = { abc: 'hello', 'another_key' => 123, 4567 => 'third' }
a = 1..10
many = 500_000
Benchmark.bm do |b|
GC.start
b.report("hash keys collect") do
many.times do
h.keys.collect(&:to_s)
end
end
GC.start
b.report("hash keys map") ...
What is the proper way to format a multi-line dict in Python?
...ameters(
foo='hello world', # So I put one parameter per line
bar=123, # And yeah, this extra comma here is harmless too;
# I bet not many people knew/tried this.
# Oh did I just show you how to write
# multiple-line inline comment here?
...
Preloading images with jQuery
..., in my context, I'm using this as follows:
$.post('/submit_stuff', { id: 123 }, function(response) {
$([response.imgsrc1, response.imgsrc2]).preloadImages(function(){
// Update page with response data
});
});
Hopefully this helps someone who comes to this page from Google (as I did) look...
Bash script to receive and repass quoted parameters
...y to store it "as is" in a variable? Original $@ is not available inside a function (because it is overwritten by function arguments). I tried foovar="$@" and foovar=$@ + "$foovar"in the function and none worked :-/
– bitifet
Jan 31 '18 at 13:56
...
Mercurial for Beginners: The Definitive Practical Guide
...
This is the heavyweight way that git people always make fun of Mercurial people for recommending. A lighter, more familiar way to beginners would be hg branch my-branch
– Steve Losh
Jul 23 '09 at 12:01
...
Pure virtual function with implementation
... be provided (base's implementation).
– StackExchange123
Mar 7 at 12:09
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How do I check if a number evaluates to infinity?
...
You can use isFinite in window, isFinite(123):
You can write a function like:
function isInfinite(num) {
return !isFinite(num);
}
And use like:
isInfinite(null); //false
isInfinite(1); //false
isInfinite(0); //false
isInfinite(0.00); //false
isInfinite(NaN); /...
curl -GET and -X GET
...ein it is pointless to do curl -X POST -d data [URL]... But you can make a fun and somewhat rare request that sends a request-body in a GET request with something like curl -X GET -d data [URL].
Digging deeper
curl -GET (using a single dash) is just wrong for this purpose. That's the equivalent of...
Horizontal ListView in Android?
...
123
As per Android Documentation RecyclerView is the new way to organize the items in listview and...