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Why doesn't 'ref' and 'out' support polymorphism?
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UPDATE: I used this answer as the basis for this blog entry:
Why do ref and out parameters not allow type variation?
See the blog page for more commentary on this issue. Thanks for the great question.
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Let's suppose you have classes Animal, ...
Any good boolean expression simplifiers out there? [closed]
... IF conditions that were way too complex and long and I'm certain they can be simplified. My guess is that those conditions grew so much because of later modifications.
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How to print instances of a class using print()?
I am learning the ropes in Python. When I try to print an object of class Foobar using the print() function, I get an output like this:
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Comparing two dictionaries and checking how many (key, value) pairs are equal
I have two dictionaries, but for simplification, I will take these two:
26 Answers
26
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Is there a function to make a copy of a PHP array to another?
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In PHP arrays are assigned by copy, while objects are assigned by reference. This means that:
$a = array();
$b = $a;
$b['foo'] = 42;
var_dump($a);
Will yield:
array(0) {
}
Whereas:
$a = new StdClass();
$b = $a;
$b->foo = 42;
var_dump($a);
Y...
Easiest way to toggle 2 classes in jQuery
If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works.
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...י צקלה", ensure_ascii=False).encode('utf8')
>>> json_string
b'"\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94"'
>>> print(json_string.decode())
"ברי צקלה"
If you are writing to a file, just use json.dump() and leave it to the file object to encode:
with op...
What is the most effective way for float and double comparison?
What would be the most efficient way to compare two double or two float values?
31 Answers
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
... it's in the man git-rev-parse documentation:
To exclude commits reachable from a commit, a prefix ^ notation is used. E.g. ^r1 r2 means commits reachable from r2 but exclude the ones reachable from r1.
This set operation appears so often
that there is a shorthand for it. When
you have ...
Remove accents/diacritics in a string in JavaScript
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With ES2015/ES6 String.prototype.normalize(),
const str = "Crème Brulée"
str.normalize("NFD").replace(/[\u0300-\u036f]/g, "")
> "Creme Brulee"
Two things are happening here:
normalize()ing to NFD Unicode normal form decomposes combined graphemes into the combination of simple ones. T...