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What is the purpose of class methods?
...alling class methods of an object is "better", or "more idiomatic": obj.cls_mthd(...) or type(obj).cls_mthd(...)?
– Alexey
Feb 27 '18 at 12:43
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C++ Best way to get integer division and remainder
...timize, though, at least for g++. A simple experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”.
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What is a NullReferenceException, and how do I fix it?
...ic class Form1
{
private Customer customer;
private void Form1_Load(object sender, EventArgs e)
{
Customer customer = new Customer();
customer.Name = "John";
}
private void Button_Click(object sender, EventArgs e)
{
MessageBox.Show(customer....
Remove All Event Listeners of Specific Type
...d to window object, like i.e. on message event?
– van_folmert
Mar 12 '19 at 11:09
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How do I focus on one spec in jasmine.js?
...Jasmine's feature Focused Specs (2.2): http://jasmine.github.io/2.2/focused_specs.html
Focusing specs will make it so that they are the only specs that run. Any spec declared with fit is focused.
describe("Focused specs", function() {
fit("is focused and will run", function() {
expect(true)....
How to delete a character from a string using Python
...o), in version 3.X python you should use "//" instead. Also, the line from __future__ import division at the beginning of your script will make version 2.X python act like version 3.X
– Michael Dunn
Aug 24 '10 at 20:29
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Project structure for Google App Engine
... had trouble with packages. Just make sure each of your sub folders has an __init__.py file. It's ok if its empty.
Boilerplate files
These hardly vary between projects
app.yaml: direct all non-static requests to main.py
main.py: initialize app and send it all requests
Project lay-out
static...
How to get all subsets of a set? (powerset)
...3,) (1,2) (1,3) (2,3) (1,2,3)"
s = list(iterable)
return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
Output:
>>> list(powerset("abcd"))
[(), ('a',), ('b',), ('c',), ('d',), ('a', 'b'), ('a', 'c'), ('a', 'd'), ('b', 'c'), ('b', 'd'), ('c', 'd'), ('a', 'b', 'c'...
How to get one value at a time from a generator function in Python?
...en by subclassing. In Python 3, however, this function has been renamed to __next__(), to be consistent with other special functions.
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In Python, when should I use a function instead of a method?
... as cars. You mention a duck, so let's go with that.
class duck:
def __init__(self):pass
def eat(self, o): pass
def crap(self) : pass
def die(self)
....
In the context of the "objects are real things" analogy, it is "correct" to add a class method for anything which the obje...