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Copy array items into another array
...
Tom Wadley
123k11 gold badge2121 silver badges2929 bronze badges
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...
Getting MAC Address
I need a cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing ...
How to list the size of each file and directory and sort by descending size in Bash?
... sort -h only works on GNU's version / Linux, no luck with BSD / OS X.
– djule5
Sep 4 '15 at 20:14
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How to stop/terminate a python script from running?
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Is it possible to resume the script after stopping it?
– Gathide
Sep 7 '18 at 12:09
8
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
...le names like unix and assumed that programmers would simply avoid using those names for their own purposes.
The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two unde...
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); /...