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What is polymorphism, what is it for, and how is it used?
... a center and radius. A square or rectangle needs two co-ordinates for the top left and bottom right corners and (possibly) a rotation. An irregular polygon needs a series of lines.
By making the class responsible for its code as well as its data, you can achieve polymorphism. In this example, ever...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...ote that for is reserved in IE so elm['for'] is probably a better idea to stop IE from raising an exception.
Base JavaScript language:
Access characters in strings: 'string'[0] isn’t supported in IE as it’s not in the original JavaScript specifications. Use 'string'.charAt(0) or 'string'.s...
Log all requests from the python-requests module
...equest, and I want to verify whether the library that I am using (rauth on top of requests) is sending that token with the request. I was expecting to see that as a query parameter, but maybe it is in the request headers? How can I force the urllib3 to show the headers too? And the request body? Jus...
Efficiency of Java “Double Brace Initialization”?
In Hidden Features of Java the top answer mentions Double Brace Initialization , with a very enticing syntax:
15 Answe...
Does static constexpr variable inside a function make sense?
... showLowRepImageUploadWarning: true,
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How to avoid using Select in Excel VBA
...wit a range you don't need to know its actual size as long as you know the top left ... e.g. rng1(12, 12) will work even though rng1 was set to [A1:A10] only.
– MikeD
Jan 12 '15 at 18:07
...
Algorithm to generate a crossword
... sorted by descending usage to date (so that lesser-used words were at the top of the file). A template, basically a bit-mask representing the black and free squares, was chosen randomly from a pool that was provided by the client.
Then, for each non-complete word in the puzzle (basically find the ...
How do I find where an exception was thrown in C++?
...ted that an unhandled exception would unwind the stack until it got to the top level (main) and then it would call terminate(). But your example shows that no unwinding is done at all, which is very cool.
– Dan
Mar 15 '10 at 18:59
...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
... Client is pretty cool too. Also, I know that poor GUI performance for desktop Java apps is supposed to be a thing of the past but I keep finding slow ones. Then again, I could say the same for WPF. GTK# is plenty fast though so there is no reason they have to be slow.
Issue: Java has a larger ecos...
var functionName = function() {} vs function functionName() {}
...have block scope, which is also new in ES2015), and they're hoisted to the top of the block. So:
"use strict";
if (someCondition) {
foo(); // Works just fine
function foo() {
}
}
console.log(typeof foo); // "undefined" (`foo` is not in scope here
/...