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Big O, how do you calculate/approximate it?
...ck and P. Flajolet.
As you say, premature optimisation is the root of all evil, and (if possible) profiling really should always be used when optimising code. It can even help you determine the complexity of your algorithms.
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What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...elp you either; SSL can't protect you when one of the two SSL endpoints is evil.
Here are some things that can actually reduce high score fraud:
Require a login to play the game, have the login produce a session cookie, and don't allow multiple outstanding game launches on the same session, or mu...
How do you parse and process HTML/XML in PHP?
...te real-world considerations down, just because it doesn't match the regex=evil meme. But let's also not vote this up too much. It's just a sidenote for this topic.
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How to modify a global variable within a function in bash?
...dangerous path, because this uses eval. If done improperly, you risk many evil things. But if done properly, this is perfectly safe, provided that there is no bug in bash.
_passback() { while [ 0 -lt $# ]; do printf '%q=%q;' "$1" "${!1}"; shift; done; }
d() { let x++; d=$(date +%Y%m%d-%H%M%S); _...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...ation into there!
* Technically you can use eval() as well, but eval() is evil for this purpose
How do I keep my caller waiting?
You might currently have some code similar to this;
function getWidthOfImage(src) {
var outerScopeVar;
var img = document.createElement('img');
img.onlo...
What is (functional) reactive programming?
...at 17:31
Gilles 'SO- stop being evil'
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answered May 25 '12 at 14:52
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How should a model be structured in MVC? [closed]
...would see here or here (please don't hate on them, they are misguided, not evil).
Showing user the state-change.
Ok, user has logged in (or failed). Now what? Said user is still unaware of it. So you need to actually produce a response and that is the responsibility of a view.
public function po...
Recommended way of making React component/div draggable
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@ryanj Nope, default values are evil, that's the problem. What's the proper action when props change? Should we reset state to the new default? Should we compare the new default value with an old default value to reset state to default only when default did...
C++ equivalent of java's instanceof
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Performance
The most interesting question which now arises is, if this evil stuff is more efficient than the usage of dynamic_cast. Therefore I've written a very basic performance measurement app.
InstanceOfPerformance.cpp
#include <chrono>
#include <iostream>
#include <string&g...
What are the differences between concepts and template constraints?
...y define an operator== that instead behaved like an operator<. You'd be evil to do that, but you could.
Another example is a Greater axiom. It's all well and good to say two objects of type T can be compared with > and < operators, but what do they mean? The Greater axiom says that iff x i...