ThinkinG outside The box - =

Transcription

1 ThinkinG outside The box - =

2 Hello, I'm Armin! I do Computers - with Python. Currently at Fireteam / Splash Damage. We do Internet for Pointy Shooty Games. c w

3 j t q t j d

4 X the box is comfortable

5 l the comfort is dangerous

6 5 0 the 9 dots puzzle (and things of similar nature) j

7 connect the dots h < - W h using exactly 4 straight lines, without retracing å U or removing one's pen from the paper j

8 connect the dots h < - W h using exactly 4 straight lines, without retracing å U or removing one's pen from the paper j

9 g i know it's cliché Ç

10 the six thinking hats J

11 the six thinking hats This guy J

12 z the majority is always wrong: congratulations; you're now a cynical asshole 7

13 m 1 a change of environment z

14 c computer games

15 4 Online infrastructure h Game Code * this graph is not very scientific

16 4 python!!!11 Online infrastructure h Game Code * this graph is not very scientific

17 Î community influences your thinking. - a

18 C++ good; Scripting Languages Bad u

19 E... if it takes you 30 minutes to do a one line change then you obviously would not want to have runtime type checks...

20 it's too easy to dismiss something on fringe or outdated experience alone

21 never underestimate how much your environment/community influences you 1

22 never underestimate how much your environment/community influences you (unfortunately that also includes things like the GIL is not a problem") 1

23 5 2 asking the right questions j

24 4 - the wrong questions are easy to spot on othersa

25 <redacted> how do I do something after return render_template(...) if I don't want to register teardown_request for all requests. J

26 he was looking for celery / message queue

27 first expectation was that the user wanted to change the HTTP response 0

28 teardown_request would not have worked anyways O

29 better: I don't want my user to wait while I do some processing on his data v

30 j t the box was Flask

31 B how to ask the right questions 2-5

32 assume you already started out wrong describe the actual problem =

33 How do I use Websockets with Flask? z

34 better: How do I notify my user about changes with low latency. 6

35 5 question leaves room for the answer

36 (a) Server-sent events via WSGI (b) application <-> redis <-> persistent connection server bit.ly/pypush Ô

37 < > Jump on IRC help out other people

38 m 3 questioning the right things z

39 the worst parts in my libraries are the ones where I took the design from elsewhere O

40 Ò it's not because I know better...

41 most things have some design behind as people copy it, the original design gets obscured and forgotten the original design might no longer apply 1

42 starting something new? question everything!

43 not with the intention of proving existing design wrong; with the intention of understanding it. 9

44 9 4 paradigm shifts F

45 Many times we don't even realize that things were an example of thinking outside the box. (a) "echo" -> Request/Response objects (b) Interactive Interpreters 9

46 That's also what makes it hard to find examples now... 9

47 every idea is a rehash don't get too excited when you feel all "obviously..." sometimes all that's necessary is transposing a concept from one industry to the other. 9

48 9 5 interesting examples F

49 Mill Processor: Basic Block: One entry, one exit. Break instruction bundles in half Two decoders, one moves left from EBB entry point, one moves to the right =

50 Mill Processor: Basic Block: One entry, one exit. Break instruction bundles in half Two decoders, one moves left from EBB entry point, one moves to the right two independent units, two separate caches =

51 High-level Queues for Request Handling Stateful Frontend Servers Stateless Workers =a

52 Sending around signed data Cookies Access/Refresh Tokens Activation Links Offers ˆ

53 The Rust Programming Language Memory ownership tracking (and otherwise just steal from C++, C, Python, Ruby, Haskell and Scheme) 1

54 Spotify's Native/Web Bridge spawns HTTP server on localhost:xxxxx provides OAuth bridge JavaScript authenticates with local server, sends commands and retrieves updates. c

55 y That's it; Now ask lucumr.pocoo.org/talks gittip.com/mitsuhiko y d? y

56 calibration slide 2 2 c