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What's the difference between the atomic and nonatomic attributes?
...erty NSArray* astronomicalEvents; that lists data I want to display in the UI. When the application launches the pointer points to an empty array, then the app pulls data from the web. When the web request completes (in a different thread) the app builds a new array then atomically sets the property...
Microsoft Roslyn vs. CodeDom
...and vbc.exe that ship today are written in native code). The advantage of building them in managed code is that users can reference the real compilers as libraries from .NET applications (no wrappers needed).
While building each component of the compiler pipeline, we've exposed public APIs on top:
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Learn C first before learning Objective-C [closed]
...low level tasks are just the strong points of C.
Another example was some UI code that drew a lot of graphs. For storing the data necessary to paint the graphs, we used NSArray's. Actually NSMutableArray's, since the graph was animated. Result: Very slow graph animation. We replaced all NSArray's w...
Scheduling recurring task in Android
...n updating when your application is turned off, once every ten minutes is quite frequent, and thus possibly a bit too power consuming.
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What are best practices that you use when writing Objective-C and Cocoa? [closed]
I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch).
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Weak and strong property setter attributes in Objective-C
...r __strong
__weak
for variables (defaults to __strong). Strong is the equivalent to retain, however ARC will manage the release for you.
The only time you would want to use weak, is if you wanted to avoid retain cycles (e.g. the parent retains the child and the child retains the parent so neithe...
Difference between Observer, Pub/Sub, and Data Binding
... when you want to listen for any data change on an object and update other UI views correspondingly.
But the Cons are Observables only maintain one array for keeping observers
(in the example, the array is observersList).
It does NOT differentiate how the update is triggered because it only has one ...
Line-breaking widget layout for Android
...data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal space on the display, I would like to wrap these 'sentences' as you would a normal piece of text.
...
What are the differences between git remote prune, git prune, git fetch --prune, etc
...on number 2 above. For example, if you deleted a branch using the git web GUI and don't want it to show up in your local branch list anymore (git branch -r), then this is the command you should use.
To remove a local branch, you should use git branch -d (or -D if it's not merged anywhere). FWIW, t...
Mercurial move changes to a new branch
...ine it with the succeeding one (e.g. by using the fold command of the now built-in histedit extension).
– Oben Sonne
Nov 28 '12 at 12:19
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