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When to use PNG or JPG in iPhone development?
I have an app that will display a bunch of images in a slideshow. Those images will be part of the bundle, thus distributed with the app.
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What are the lesser known but useful data structures?
...some data structures around that are really useful but are unknown to most programmers. Which ones are they?
83 Answers
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Hidden features of Perl?
What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work?
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Changing my CALayer's anchorPoint moves the view
I want to alter the anchorPoint , but keep the view in the same place.
I've tried NSLog -ing self.layer.position and self.center and they both stay the same regardless of changes to the anchorPoint. Yet my view moves!
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How to print the ld(linker) search path
What is the way to print the search paths that in looked by ld in the order it searches.
6 Answers
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What are the use(s) for tags in Go?
In the Go Language Specification , it mentions a brief overview of tags:
3 Answers
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What is the difference between Trap and Interrupt?
What is the difference between Trap and Interrupt?
9 Answers
9
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What is the advantage of using abstract classes instead of traits?
What is the advantage of using an abstract class instead of a trait (apart from performance)? It seems like abstract classes can be replaced by traits in most cases.
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java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has
...f a forward(), sendRedirect(), or sendError() would magically exit and "jump" out of the method block, hereby ignoring the remnant of the code. For example:
protected void doXxx() {
if (someCondition) {
sendRedirect();
}
forward(); // This is STILL invoked when someCondition is t...
Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
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