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Always pass weak reference of self into block in ARC?
I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, s...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...yId("mydiv");
mydiv.appendChild(document.createTextNode("bar"));
}
Edit: Bob's solution, from the comments. Post your answer, Bob! Get credit for it. :-)
function start() {
var myspan = document.getElementById("myspan");
myspan.onclick = function() { alert ("hi"); };
var mydiv =...
Interface defining a constructor signature?
It's weird that this is the first time I've bumped into this problem, but:
18 Answers
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Why .NET String is immutable? [duplicate]
... of immutable types are inherently thread-safe, since no thread can modify it, the risk of a thread modifying it in a way that interferes with another is removed (the reference itself is a different matter).
Similarly, the fact that aliasing can't produce changes (if x and y both refer to the same o...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...follow
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edited Apr 24 '14 at 22:11
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
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difference between width auto and width 100 percent
...h: auto was that the width is set to that of the contents. Now I see that it takes the full width of the parent.
8 Answers...
What's the difference between “STL” and “C++ Standard Library”?
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The "STL" was written by Alexander Stepanov in the days long before C++ was standardised. C++ existed through the 80s, but what we now call "C++" is the language standardised in ISO/IEC 14882:2014 (and earlier versions, such as ISO/IEC 14882...
cocoapods - 'pod install' takes forever
I was trying to update the existing pods with pod install command, but it takes forever to run.
19 Answers
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final keyword in method parameters [duplicate]
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It certainly makes a copy (there is an optimization where the compiler doesn't make a copy, when there is no difference with making a copy). However you have to keep in mind that in the case of an object. The object really on...
Switch statement fallthrough in C#?
Switch statement fallthrough is one of my personal major reasons for loving switch vs. if/else if constructs. An example is in order here:
...