Rick Nagy rickcnagy

Comprehensive Introduction to @ngrx/store

Update: Non-middleware examples have been updated to ngrx/store v2. More coming soon!

Table of Contents

	import time

	def RateLimited(maxPerSecond):
	minInterval = 1.0 / float(maxPerSecond)
	def decorate(func):
	lastTimeCalled = [0.0]
	def rateLimitedFunction(args,*kargs):
	elapsed = time.clock() - lastTimeCalled[0]
	leftToWait = minInterval - elapsed
	if leftToWait>0:

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

	@import WatchKit;
	#import <ReactiveCocoa/ReactiveCocoa.h>

	@interface WKInterfaceController (Reactive)

	@property (nonatomic, readonly) RACSignal *activatedSignal;
	@property (nonatomic, readonly) RACSignal *deactivatedSignal;
	@property (nonatomic, readonly) RACSignal *didPresentControllerSignal;
	@property (nonatomic, readonly) RACSignal *didPushControllerSignal;