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How to identify CAAnimation within the animationDidStop delegate?
I had a problem where I had a series of overlapping CATransition / CAAnimation sequences, all of which I needed to perform custom operations when the animations stopped, but I only wanted one delegate handler for animationDidStop.
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Can you add new statements to Python's syntax?
Can you add new statements (like print , raise , with ) to Python's syntax?
13 Answers
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Get type of a generic parameter in Java with reflection
Is it possible to get the type of a generic parameter?
18 Answers
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How to detect which one of the defined font was used in a web page?
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I've seen it done in a kind of iffy, but pretty reliable way. Basically, an element is set to use a specific font and a string is set to that element. If the font set for the element does not exist, it takes the font of the parent ele...
What is the motivation for bringing Symbols to ES6?
As you may know they are planning to include new Symbol primitive type in ECMAScript 6 (not to mention some other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate thi...
Mercurial: how to amend the last commit?
I'm looking for a counter-part of git commit --amend in Mercurial, i.e. a way to modify the commit which my working copy is linked to. I'm only interested in the last commit, not an arbitrary earlier commit.
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Difference between setTimeout with and without quotes and parentheses
... note that I set "variable in a function" separately from "function name". It's not apparent that variables and function names occupy the same namespace and can clobber each other.
Passing arguments
To call a function and pass parameters, you can call the function inside the callback assigned to ...
Wait 5 seconds before executing next line
This function below doesn’t work like I want it to; being a JS novice I can’t figure out why.
14 Answers
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Significant new inventions in computing since 1980
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The Internet itself pre-dates 1980, but the World Wide Web ("distributed hypertext via simple mechanisms") as proposed and implemented by Tim Berners-Lee started in 1989/90.
While the idea of hypertext had existed before (Nelson’s Xan...
What is the purpose of XORing a register with itself? [duplicate]
...x will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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