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How efficient is locking an unlocked mutex? What is the cost of a mutex?
...ens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that the mutex...
What are the differences between a UIView and a CALayer?
...oth have most of the same attributes, both support different kind of animations, both represent different data.
What are the differences between a UIView and a CALayer?
...
Does Dispose still get called when exception is thrown inside of a using statement?
In the example below, is the connection going to close and disposed when an exception is thrown if it is within a using statement?
...
Virtual functions and performance - C++
In my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects the performance. Is this true? But I think this performance difference is not noticeable and looks like I am doing premature optimization. Right?
...
Read logcat programmatically within application
I want to read and react to logcat logs within my application.
6 Answers
6
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How to “set a breakpoint in malloc_error_break to debug”
I'm getting lots of console outputs like this without my application crashing:
5 Answers
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How do I vertically center UITextField Text?
...s has potentially got several complicating factors, some alluded to in previous answers:
What you're trying to align (just numbers, just letters, just uppercase letters or a mix)
Placeholders
Clear button
What you're trying to align is important because of which point in the font should be verti...
Eclipse Android and gitignore
What files/folders can I safely ignore for inclusion with git?
6 Answers
6
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Get city name using geolocation
... managed to get the user's latitude and longitude using HTML-based geolocation.
11 Answers
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Code Golf: Collatz Conjecture
... involved:
; >> $ ./collatz
; >> Usage: ./collatz NUMBER
;
section .text
global main
extern printf
extern atoi
main:
cmp dword [esp+0x04], 2
jne .usage
mov ebx, [esp+0x08]
push dword [ebx+0x04]
call atoi
add esp, 4
cmp eax, 0
je .usage
mov ebx, eax
push eax
pus...