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How can I pair socks from a pile efficiently?
...ing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average.
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Function pointers, Closures, and Lambda
...us delegate there as a closure (it's syntax is a little clearer and closer to C than the lambda equivalent), which captured lessThan (a stack variable) into the closure. When the closure is evaluated, lessThan (whose stack frame may have been destroyed) will continue to be referenced. If I change le...
AutoLayout with hidden UIViews?
I feel like it's a fairly common paradigm to show/hide UIViews , most often UILabels , depending on business logic. My question is, what is the best way using AutoLayout to respond to hidden views as if their frame was 0x0. Here is an example of a dynamic list of 1-3 features.
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Simplest way to do a fire and forget method in C#?
...t(IsOneWay = true)] attribute. But WCF seems kind of slow and heavy just to do create a nonblocking function. Ideally there would be something like static void nonblocking MethodFoo(){} , but I don't think that exists.
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Java Constructor Inheritance
I was wondering why in java constructors are not inherited? You know when you have a class like this:
10 Answers
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How/when to use ng-click to call a route?
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Routes monitor the $location service and respond to changes in URL (typically through the hash). To "activate" a route, you simply change the URL. The easiest way to do that is with anchor tags.
<a href="#/home">Go Home</a>...
Convert string with comma to integer
Is there any neat method to convert "1,112" to integer 1112, instead of 1?
7 Answers
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Anatomy of a “Memory Leak”
...hus cannot be garbage collected. This occurs accidentally when you hold on to references beyond the intended scope.
You'll know that you have leaks when you start getting OutOfMemoryExceptions or your memory usage goes up beyond what you'd expect (PerfMon has nice memory counters).
Understanding ...
Is there a practical use for weak references? [duplicate]
Since weak references can be claimed by the garbage collector at any time, is there any practical reason for using them?
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Why is volatile needed in C?
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Volatile tells the compiler not to optimize anything that has to do with the volatile variable.
There are at least three common reasons to use it, all involving situations where the value of the variable can change without action from the visible code...