Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Failure Teaches Success

8fea11f3454c94cb5a5599ff03021471?s=47 SHIOYA, Hiromu
July 17, 2014
Technology
0
2.7k

Failure Teaches Success

2014-07-17 System Lightning Talks Bar Vol.2
"Failure Teaches Success" by kwappa

8fea11f3454c94cb5a5599ff03021471?s=128

SHIOYA, Hiromu

July 17, 2014
Tweet

More Decks by SHIOYA, Hiromu

See All by SHIOYA, Hiromu
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
1
1.8k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
0
2.6k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
8
10k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
4
3.6k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
20
21k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
0
710
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
8
7.1k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
6
5.9k
8fea11f3454c94cb5a5599ff03021471?s=48 kwappa
2
200

Other Decks in Technology

See All in Technology
3009eedce0d0f7ae45987a7bd8f57b85?s=48 nkjzm
1
850
0d29d155ce5c5a93ed46363626da3ea7?s=48 ocise
1
1.3k
706ff501573a736401aa4de5adc88e05?s=48 nihonbuson
2
1.9k
23f4d5d797a91b6d17d627b90b5a42d9?s=48 kentaro
1
430
405fe9ab689473f267e2cfbd95f78c75?s=48 kyonmm
1
2.3k
19fc8f6113c5c3d86e6176362ff29479?s=48 kanaugust
PRO
0
180
4b7536b1ad854fa552a2cea0248bb5cc?s=48 hisaichi5518
0
160
95aaab3d693889550fd2e7ae02f2f789?s=48 takaking22
1
370
93c80c388fe9d8f9df7d030549a0ff0b?s=48 chaspy
1
160
D7f27502ce4dfef29afae545df767b27?s=48 hsano
0
130
D76231a2114896dfcc7b79ac69558b79?s=48 yosuke_furukawa
PRO
47
16k
03858bb7b6debdd69ea0531b0f57c612?s=48 con_mame
4
2k

Featured

See All Featured
Ba530e786553390f3fb271848485681c?s=48 3n
163
22k
C86443373fbfe92996aa882d0d7a59f8?s=48 imathis
478
150k
5f83ef806155b403c3393160ce51f955?s=48 jlugia
216
16k
465724d73fe3a92c0879fdfb43a3a6f3?s=48 philhawksworth
190
17k
F716e5f737fcfb03f2cf8d1a184f1dbe?s=48 nonsquared
81
3.3k
E190023b66e2b8aa73a842b106920c93?s=48 zenorocha
297
40k
6804f1775cb4babfcc3851298566fbce?s=48 tanoku
258
24k
2f5463832ccb768ccb4a1ca3607c27ef?s=48 jacobian
255
20k
C620790ae5bf5b50c245b2e0ef95f338?s=48 deanohume
295
27k
C9b18d9dff88a9dd2393364c2b3b21bd?s=48 colly
66
3k
20bfe76b3d6105641f879fe45cfc9272?s=48 bkeepers
408
57k
812e1705ff0f8bc1bcf18587bde687d5?s=48 62gerente
587
200k

Transcript

  1. Failure Teaches Success 2014-07-17! System Lightning Talks Bar Vol.2! SHIOYA,

    Hiromu (@kwappa)

  2. Hello, World!

  3. kwappa SHIOYA Hiromu

  4. None

  5. http://cookpad.com

  6. http://info.cookpad.com

  7. http://bit.ly/cookpadjobs

  8. Failure Teaches Success

  9. CASE 1 1998

  10. FLAG SHOULD NEVER COMPARE TO 1

  11. FOR EXAMPLE

  12. !!! BUG !!! item[42] # => 0

  13. !!! BUG !!! item[42] # => 1

  14. !!! BUG !!! item[42] # => 2

  15. !!! BUG !!! item[42] # => 3

  16. !!! BUG !!! item[42] # => 4

  17. !!! BUG !!! item[42] # => 5

  18. DEAD END

  19. BETTER ONE

  20. CASE 2 2008

  21. BOSS SHOULD NEVER DEPLOY

  22. NEW BOSS CAME AND TOLD US

  23. NEW BOSS CAME AND TOLD US I USED TO CODE,

    BUT I TOOK AN ARROW IN THE KNEE...

  24. OUR SYSTEM commit checkout rsync DEVELOPER SVN STAGING DEPLOY PRODUCTION

  25. HERE COMES THE BOSS rsync STAGING DEPLOY PRODUCTION

  26. HERE COMES THE BOSS login rsync STAGING DEPLOY PRODUCTION

  27. HERE COMES THE BOSS login rsync STAGING DEPLOY PRODUCTION $vi

    regist.php

  28. HERE COMES THE BOSS login rsync STAGING DEPLOY PRODUCTION $vi

    regist.php $rm regist.php

  29. HERE COMES THE BOSS login rsync STAGING DEPLOY PRODUCTION $vi

    regist.php $rm regist.php $svn hogehoge

  30. HERE COMES THE BOSS login rsync STAGING DEPLOY PRODUCTION $vi

    regist.php $rm regist.php $svn hogehoge $./deploy.sh

  31. CASE 3 2014

  32. ERRORS SHOULD NEVER PASS SILENTLY

  33. http://www.flickr.com/photos/chrisdonia/3460805358/

  34. http://www.flickr.com/photos/chrisdonia/3460805358/ ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ ʼ 500 ʻ ʼ INTERNAL SERVER ERROR ʻ

    ʉY^Y^Y^Y^Y^Y^Y^Y^Y^Y^Y^Y^Yʉ

  35. OAuth2::Response#parsed # => nil

  36. https://github.com/intridea/oauth2/commit/ 56f9758d961fc317a05b2f93fd039588967a84b1

  37. None
  38. None
  39. None
  40. None

  41. WHY DID IT WORK? multi_xml oauth2 requires

  42. WHY DID IT WORK? multi_xml httparty oauth2 requires depends

  43. WHY DID IT WORK? aws-sdk-ruby multi_xml httparty oauth2 requires depends

    depends

  44. WHY DID IT BRAKE?

  45. WHY DID IT BRAKE? Gemfile

  46. WHY DID IT BRAKE? Gemfile.lock Gemfile

  47. https://github.com/aws/aws-sdk-ruby/commit/ c25952ed50d568172de6eb1756525a35eeb2fa77

  48. WHY DID IT BREAK? aws-sdk-ruby multi_xml httparty oauth2 requires depends

    depends

  49. WHY DID IT BREAK? aws-sdk-ruby multi_xml httparty oauth2 requires depends

  50. WHY DID IT BREAK? aws-sdk-ruby multi_xml oauth2 requires

  51. WHY DID IT BREAK? aws-sdk-ruby oauth2 requires

  52. WHY DID IT BREAK? aws-sdk-ruby oauth2 requires ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ ʼ 500

    ʻ ʼ INTERNAL SERVER ERROR ʻ ʉY^Y^Y^Y^Y^Y^Y^Y^Y^Y^Y^Y^Yʉ

  53. CONCLUSION

  54. FLAG SHOULD NEVER COMPARE TO 1

  55. FLAG SHOULD NEVER COMPARE TO 1 BOSS SHOULD NEVER DEPLOY

  56. FLAG SHOULD NEVER COMPARE TO 1 BOSS SHOULD NEVER DEPLOY

    ERRORS SHOULD NEVER PASS SILENTLY

  57. Failure Teaches Success SHARE YOUR FAILURES!!! THANK YOU FOR LISTENING