alfredreynold
/ gist:2f9a00cbede9241440b296e66bac263a
Created
September 5, 2019 16:20
— forked from floriankugler/gist:6870499
Mapping of NSURLConnection to NSURLSession delegate methods. Created by Mattt Thompson.
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| NSURLConnection | NSURLSession | |
| ------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------- | |
| NSURLConnectionDelegate connectionShouldUseCredentialStorage: | | |
| ------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------- | |
| NSURLConnectionDelegate connection:willSendRequestForAuthenticationChallenge: | NSURLSessionDelegate URLSession:didReceiveChallenge:completionHandler: | |
| | N |
alfredreynold
/ gist:2ae0271697286d08a9f9
Created
July 5, 2015 15:49
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| cos 4x = 8(cos x)^4 - 8(cos x)^2 + 2 - 2 + 1 | |
| cos 4x = [ 8(cos x)^4 - 8(cos x)^2 + 2 ] - 1 | |
| Sectioned off part of the right side, then factored it | |
| cos 4x = [2 ( cos x )^2 - 1] [4 (cos x)^2 - 2] - 1 | |
| cos 4x = [2 ( cos x )^2 - 1] 2*[2 (cos x)^2 - 1] - 1 |