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Concurrent vs serial queues in GCD
...A simple example: you have a block that takes a minute to execute. You add it to a queue from the main thread. Let's look at the four cases.
async - concurrent: the code runs on a background thread. Control returns immediately to the main thread (and UI). The block can't assume that it's the only ...
Why doesn't java.util.Set have get(int index)?
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edited Aug 5 '12 at 4:33
answered Apr 20 '09 at 19:20
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Algorithm for creating a school timetable
I've been wondering if there are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teacher...
typedef struct vs struct definitions [duplicate]
...ween using typedef when defining a structure versus not using typedef . It seems to me like there's really no difference, they accomplish the same goal.
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Targeting only Firefox with CSS
Using conditional comments it is easy to target Internet Explorer with browser-specific CSS rules:
11 Answers
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What is the coolest thing you can do in
...oolest thing you can do in a few lines of simple code. I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
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Cannot find executable for CFBundle CertUIFramework.axbundle
Just updated to Xcode 5 and this is the first error its throwing on the logger for all my apps. Can't seem to understand why this is happening.
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Xcode changes unmodified storyboard and XIB files
Storyboards are rather a royal pain from a git workflow perspective when multiple people are collaborating on them. For example, the XML in the .storyboard file has its starting <document> tag's toolsVersion and systemVersion attributes altered by whatever configuration the most recent f...
do { … } while (0) — what is it good for? [duplicate]
...eing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ception. I spent a good 30 minutes trying to isolate and minimize the culprit sample. Compile this using Visual Studio 2012 as a console app:
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