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How to do a GitHub pull request
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238
(In addition of the official "GitHub Help 'Using pull requests' page",
see also "Forking vs. B...
When should one use RxJava Observable and when simple Callback on Android?
...e the userPhoto, but you have an Instagram-clone, and you want to retrieve 2 JSONs:
1. getUserDetails()
2. getUserPhotos()
You want to load these two JSONs in parallel, and when both are loaded, the page should be displayed.
The callback variant will become a bit more difficult: you have to create ...
What languages are Windows, Mac OS X and Linux written in?
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275
Windows: C++, kernel is in C
Mac: Objective C, kernel is in C (IO PnP subsystem is Embedded C...
Forward declaration of nested types/classes in C++
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229
You can't do it, it's a hole in the C++ language. You'll have to un-nest at least one of the ...
How to convert byte array to string and vice versa?
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22 Answers
22
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How to pass data from 2nd activity to 1st activity when pressed back? - android
I've 2 activities, Activity1 and Activity2 .
9 Answers
9
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How to update a git clone --mirror?
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219
This is the command that you need to execute on the mirror:
git remote update
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Deleting a resource using http DELETE
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answered Jun 22 '11 at 13:07
Darrel MillerDarrel Miller
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How to center the content inside a linear layout?
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edited Apr 28 '17 at 7:54
answered Aug 5 '13 at 6:04
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throwing an exception in objective-c/cocoa
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529
I use [NSException raise:format:] as follows:
[NSException raise:@"Invalid foo value" format:@...