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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?
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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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Moving UITabBarItem Image down?
...bBar you have a small image and a title naming the tab. The image is positioned/centred towards the top of the tab to accommodate the title underneath. My question is: if you want to have a tabBar with just an image and no title is there a way to move the image down so it centers better within the...
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...
Xcode 4.4 error - Timed out waiting for app to launch
...
I had a similar issue when trying to debug an App with Ad-Hoc provisioning...
Check which provisioning you're using, it seems ad-hoc provisioning cannot be used for debugging.
EDIT In fact, it seems only development provisioning profiles are Ok for debugging
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How to force NSLocalizedString to use a specific language
...tem Preferences)
You can override the global setting for your own application if you wish by using the setObject:forKey: method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization. The...