(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
Kevin Kazmierczak kazmiekr
staltz
/ introrx.md
Last active
December 1, 2025 11:31
The introduction to Reactive Programming you've been missing
appsandwich
/ gist:6007702
Created
July 16, 2013 10:50
iOS - Simulate on-device memory warnings using volume button press
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| #if DEBUG | |
| #import <MediaPlayer/MediaPlayer.h> | |
| #endif | |
| - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { | |
| #if DEBUG | |
| // Debug code that lets us simulate memory warnings by pressing the device's volume buttons. |
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| - (UIImage *) imageByTrimmingTransparentPixels { | |
| int rows = self.size.height; | |
| int cols = self.size.width; | |
| int bytesPerRow = cols*sizeof(uint8_t); | |
| if ( rows < 2 || cols < 2 ) { | |
| return self; | |
| } | |
| //allocate array to hold alpha channel |