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Objective-C: Where to remove observer for NSNotification?
...his is obviously not a satisfying answer.
I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against ...
Android studio logcat nothing to show
I installed Android Studio yesterday, and I tried to use the LogCat to see the logs. But there is nothing to show in the logcat. I used the terminal to run ./adb logcat and it works.
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What do the terms “CPU bound” and “I/O bound” mean?
...U (doing calculations). A program that computes new digits of π will typically be CPU-bound, it's just crunching numbers.
A program is I/O bound if it would go faster if the I/O subsystem was faster. Which exact I/O system is meant can vary; I typically associate it with disk, but of course networ...
Git: How to rebase to a specific commit?
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For me, this doesn't actually do what's intended. As far as I can tell, it tries to rebase onto the "last common ancestor" of topic and commitB.
– Dan Lenski
Jan 26 '15 at 18:20
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What's the best/easiest GUI Library for Ruby? [closed]
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Ruby Shoes (by why) is intended to be a really simple GUI framework. I don't know how fully featured it is, though.
Some good code samples can be found in the tutorials.
Also, I think shoes powers hackety hack, a compelling programming learning environment for youn...
What is a “slug” in Django?
When I read Django code I often see in models what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used?
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What are the lesser known but useful data structures?
There are some data structures around that are really useful but are unknown to most programmers. Which ones are they?
83 A...
Kill detached screen session [closed]
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@kapad actually quit works if you write it inline -X -S pid/sockname quit
– Eduard
Jul 4 '14 at 15:24
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Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
...ious to see what it does without infecting myself. I know that you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger?
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How to generate a random int in C?
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Note: Don't use rand() for security. If you need a cryptographically secure number, see this answer instead.
#include <time.h>
#include <stdlib.h>
srand(time(NULL)); // Initialization, should only be called once.
int r = rand(); // Returns a pseudo-random integer bet...