Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
Most Valuable Bug(?) ~インシデント未遂から得た学び~
Search
tatsumiakahori
December 26, 2022
Programming
270
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Most Valuable Bug(?) ~インシデント未遂から得た学び~
間一髪のところでインシデント発生を免れた事象を元に、なぜそのような状況になってしまったのか?どうすればそのような事態を避けられるのか?と言った学びを共有しました。
tatsumiakahori
December 26, 2022
More Decks by tatsumiakahori
See All by tatsumiakahori
TSデザイン改修で得たCSS設計の学び
tatsumiakahori
0
390
clip-path使ってみた
tatsumiakahori
0
290
リッチでいい感じなWebサイトをお金も労力もかけずに作る方法
tatsumiakahori
0
210
self introduction 2
tatsumiakahori
0
68
Self introduction-Tatsumi Akahori
tatsumiakahori
0
540
Other Decks in Programming
See All in Programming
The Good Stuff, Not the Slop: Engineering High-Quality Android Apps with Modern AI Tooling
danybony
1
230
AI に Inclusive UI を書かせよう — Design Rules Skill で Compose UI を作り直す
theoriatec2024
1
470
LLMは4年分のCompose移行を再現できるのか?実プロダクト279件のXMLで探る自動化の境界線
makun
0
520
Claude Codeを組織的に動かして月400PRを実現した話
happy_ryo
0
270
{ Android | Kotlin } Gradle Plugin in 2026
ryunen344
1
300
Family mrubyの進捗
kishima
1
110
XHTMLが残したもの
yosuke_furukawa
PRO
2
640
MIZARU@SPAJAM2026 第二回予選
1901drama
0
110
RSSとCodexを使ってX投稿自動化してみた
ochtum
0
110
スマート反転とウェブアクセシビリティ
camiha
0
180
Omarchy Tokyo やると聞いて UMPC 買ってセットアップしてきた
mtsmfm
0
130
初心者DevRelとして参加者だった私が、DevRel Talks!#2に登壇するまでにしてきたこと
sokohirai
0
360
Featured
See All Featured
Accessibility Awareness
sabderemane
1
210
Tell your own story through comics
letsgokoyo
1
1.1k
State of Search Keynote: SEO is Dead Long Live SEO
ryanjones
0
270
More Than Pixels: Becoming A User Experience Designer
marktimemedia
3
520
For a Future-Friendly Web
brad_frost
183
10k
What’s in a name? Adding method to the madness
productmarketing
PRO
24
4.2k
The AI Revolution Will Not Be Monopolized: How open-source beats economies of scale, even for LLMs
inesmontani
PRO
3
3.7k
Optimizing for Happiness
mojombo
378
71k
End of SEO as We Know It (SMX Advanced Version)
ipullrank
3
4.4k
Java REST API Framework Comparison - PWX 2021
mraible
34
9.7k
The State of eCommerce SEO: How to Win in Today's Products SERPs - #SEOweek
aleyda
2
11k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
1.3k
Transcript
GSJ UBLBIPSJ .PTU7BMVBCMF#VH Πϯγσϯτະ͔Βಘֶͨͼ
ࣗݾհ w λΧϗϦͰ͢ɻ w /VYUKTͰͷϙʔτϑΥϦΦ੍࡞͕ӬԕʹऴΘΓ·ͤΜɻ ࠷ૣ͜͜ϲ݄৮͍ͬͯͳ͍ w
ݹண͖͕ߴͯ͡ɺ࠷ۙݿʹજೖ࢝͠Ί·ͨ͠ɻ ࢥ͍ͷ֎͍͍҆ͯ͘ͷ۷Γग़ָ͍ͤͯ͠ɻ ͨͩɺεϖγϟϧͳΞΠςϜ΄ͱΜͲͳ͍ͷͰɺ վΊ͍͍ͯΞΠςϜἧ͑ͯΔݹண͛͐ͬͯ͢ͳͬͯΔɻ
ઌΧϥϜͷϦϑΝΫλΛߦ͍·ͨ͠ɻ OBNF UZQF OVMM मਖ਼લ EJSFDU@BUUBDL@EJTBCMFE@BU EBUF@UJNF ڐ༰ मਖ਼ޙ
NBJTPLV@CSPXTF@qBH UJOZJOU ෆՄ ˞ςʔϒϧFTUBUFTςʔϒϧ
मਖ਼ͷखॱ ᶃ৽͍͠ΧϥϜΛՃ͢ΔNJHSBUJPO࣮ߦ ᶄσʔλΛ߹ΘͤΔ4FFEFS࣮ߦ ᶅաڈͷΧϥϜ EJSFDU@BUUBDL@EJTBCMFE@BU Λআ
ຊ൪σϓϩΠແࣄऴΘΓɺ ͳ͘Γͬͨͱࢥͬͨཌͷேʜ
ͳΜ͔Τϥʔग़ͱΔʜ
ௐࠪͯ͠ΈΔͱɺ Ͳ͏Β݅ಉظόονͷΤϥʔͬΆ͍ɻ
Division by zero ͱ͋ΔͷͰͰׂΓࢉ͠Α͏ͱͯ͠Τϥʔు͍ͯΔ༷ɻ
֘Օॴ $tsuboUnitPrice = (!$rent || !$area) ? 0 : not_round_display($rent
/ $area); ΉΉɺBSFB ໘ੵ ͰొͰ͖ͳ͍ͣͰʜ
Τϥʔͷର͕݅ɺ͍ͣͿΜੲʹొ ͞ΕͨҠߦ݅Ͱ͋Δ͜ͱ͕໌ɻ ͳͥɺࠓࠒಉظ͞ΕΑ͏ͱ͍ͯͨ͠ͷ͔ʜʁ ͜ͷลΓ͔Βң͕௧͘ͳͬͯ͘Δ
͞ΒʹௐࠪΛਐΊΔͱɺFTUBUFTςʔϒϧͷ ΄ͱΜͲͷϨίʔυͷVQEBUFE@BU͕ࡢͷ σϓϩΠͨ࣌͠ࠁʹͳ͍ͬͯΔ͜ͱ͕໌ɻ
ͳΔ΄Ͳɺͬͨͧɻ
ࡢྲྀͨ͠4FFEFSͷରʹͳͬ ͨ݅શͯͷVQEBUFE@BU͕ߋ৽ ͞Εͯ͠·ͬͯΔͳ͍͔ͱɻ ܭ ݅
ͭ·Γɺ΄΅શͯͷ͕݅ϝʔϧ ৴γεςϜʹಉظ͞Εɺϝʔϧ ৴͞Εͯ͠·͏ڪΕ͕͋Δɻ
ඇৗʹ·͍ͣɻ ʢ࣮͠ࡍʹૹ৴͞ΕͨΒɺԬଜ͞Μ͕ՙ·ͱΊͯಀ͛ग़͢Ϩϕϧʣ
ͨ·ͨ·Τϥʔ͕ى͖͓͔ͨ͛Ͱɺ ݅ಉظόον͕͚ͯ͘͜Εͨͷ Ͱɺϝʔϧ৴͞ΕͣʹࡁΜͩɻ
ରԠͱͯ͠ɺ ᶃ·ͣϝʔϧ৴γεςϜΛҰ࣌ఀࢭͯ͠Β͏ ᶄμϯϓϑΝΠϧΛݩʹVQEBUFE@BUͷΛࡢ ɹͷσϓϩΠલͷʹ͢ ᶅϝʔϧ৴γεςϜͷ࠶։
ͱͳͬͨ4FFEFS &MPRVFOUͰVQEBUFΛ͔͚Δͱɺ֘Ϩί ʔυͷVQEBUFE@BU͕ߋ৽͞Εͯ͠·͏ɻ
ڭ܇ &MPRVFOUͰVQEBUFΛ͔͚Δͱɺ֘Ϩίʔυͷ VQEBUFE@BU͕ߋ৽͞ΕΔ͜ͱΛ಄ʹೖΕ͓ͯ͘͜ͱɻ ߋ৽ͤͨ͘͞ͳ͍߹ɺ ɾVQEBUFE@BUΛऔಘͯ͠ɺ͏ҰೖΕͯ͋͛Δ ɾ%#ϑΝαʔυΛ༻͍ͯɺ42-Λॻ͖ࠐΉ ͳͲͷରԠ͕ඞཁͱͳΔɻ
ͪͳΈʹʜ
͓Θ͔Γ͍͚ͨͩΔͩΖ͏͔ʜʁ
࣮ࡍʹൃߦ͞ΕͨΫΤϦ .JHSBUJPO࣮ߦ࣌ʹɺσϑΥϧτͰ͕ೖ͍ͬͯͨͷͰɺೋͭ ͷΫΤϦ͕ಈ࡞͠ͳͯ݁͘Ռͱͯ͠ʹͳΒͳ͔ͬͨɻ ͦΜͳϨίʔυଘࡏ͠ͳ͍
͜͏ॻ͖ͩͬͨ͘
N @@ N