Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Rediscovery of fun ruby
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
makicamel
July 06, 2019
Programming
4
2.7k
Rediscovery of fun ruby
makicamel
July 06, 2019
Tweet
Share
More Decks by makicamel
See All by makicamel
First step to PicoRuby
makicamel
2
420
PicoRuby on Rails
makicamel
4
250
Take a small step beyond the api
makicamel
2
180
Road to RubyKaigi: Making Tinny Chiptunes with Ruby
makicamel
4
1.7k
Road to RubyKaigi
makicamel
3
620
Rails アプリ地図考 Flush Cut
makicamel
1
220
ErdMap: Thinking about a map for Rails applications
makicamel
2
4k
dRuby 入門者によるあなたの身近にあるdRuby 入門
makicamel
4
1.6k
BulletmarkRepairer: auto corrector for N+1 queries
makicamel
10
8.2k
Other Decks in Programming
See All in Programming
go directiveを最新にしすぎないで欲しい話──あるいは、Go 1.26からgo mod initで作られるgo directiveの値が変わる話 / Go 1.26 リリースパーティ
arthur1
2
570
へんな働き方
yusukebe
5
2.7k
20260228_JAWS_Beginner_Kansai
takuyay0ne
5
590
AI時代の脳疲弊と向き合う ~言語学としてのPHP~
sakuraikotone
1
440
ふつうの Rubyist、ちいさなデバイス、大きな一年
bash0c7
0
1.1k
Go 1.26でのsliceのメモリアロケーション最適化 / Go 1.26 リリースパーティ #go126party
mazrean
1
420
AIに任せる範囲を安全に広げるためにやっていること
fukucheee
0
150
S3ストレージクラスの「見える」「ある」「使える」は全部違う ─ 体験から見た、仕様の深淵を覗く
ya_ma23
0
760
CSC307 Lecture 14
javiergs
PRO
0
480
SourceGeneratorのマーカー属性問題について
htkym
0
200
Docコメントで始める簡単ガードレール
keisukeikeda
1
130
Angular-Apps smarter machen mit Gen AI: Lokal und offlinefähig - Hands-on Workshop!
christianliebel
PRO
0
120
Featured
See All Featured
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
133
19k
Agile that works and the tools we love
rasmusluckow
331
21k
DBのスキルで生き残る技術 - AI時代におけるテーブル設計の勘所
soudai
PRO
64
52k
Practical Orchestrator
shlominoach
191
11k
Leveraging LLMs for student feedback in introductory data science courses - posit::conf(2025)
minecr
1
200
Navigating Weather and Climate Data
rabernat
0
140
Stewardship and Sustainability of Urban and Community Forests
pwiseman
0
150
Test your architecture with Archunit
thirion
1
2.2k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
34
2.7k
Marketing Yourself as an Engineer | Alaka | Gurzu
gurzu
0
150
How to Ace a Technical Interview
jacobian
281
24k
Bash Introduction
62gerente
615
210k
Transcript
%BSUʹුؾͨ͠Β 3VCZ࠷ߴͩͱ࠶ೝࣝͨ͠ 5BNB3VCZձٞ !NBLJDBNFM
ሱ࠭ℚࢺ c!NBLJDBNFMԫჰຣ࠱ cᇩൔ߶ഠ(BJBYƋŧũƋŶưƊ⣈ŧƉŧơż c3VCZ3BJMT㠥୍ŲƬŧ c'MVUUFS%BSU㠥ȌᄅŲƬŧ
'MVUUFSĤ c(PPHMFῘ㻂ƑDžȃǏǭǿǙǞǫƿ✣ǶῘ㻂4%,c'8 c୍ᄅƎWFS㻂і c୍ᄅƎ'MVUUFSGPS8FC㻂і
%BSUĤ c(PPHMFῘ㻂Ƒ'MVUUFSƊƲƯƮ∽ c୍Ǝ֨ṳƃů࠻Ǝޅ߭ƥඵƶƊƮ c୍ᄅƎ%BSUů㻂іŸƯƉఏඵ߭ള
%BSUĤ
ťƮರ ರڱůࣂರŮƌũŮźƂŧƶƃŴƌa ǷǓǙǟളūƉƍŧŮƍĤ ````` ťƮƊźƪʙ ƍŧbbbbb `````ŶƶƍۋŻƊℼŲźŮƍŧƊżƐʙ
ťƮರ
ರڱҠቔů҂ь c%BUF5JNFDžǿǏƑƢƊa%BUFDžǿǏůƍŧ cwCFHJOOJOH0G%BZxƋŮƍŧ ࢸ⡘ƋźƉℭhƫŲũ cw NPOUIxƋŮƊŰƍŧ %VSBUJPODžǿǏƒťƮŴƌaǴƺDžȃ૰ƑίෘƑƢ
ေຬƒťƮ ]EBSUMBOHTEL IUUQTHJUIVCDPNEBSUMBOHTELJTTVFT
ေຬƒťƮ ]EBSUMBOHTEL IUUQTHJUIVCDPNEBSUMBOHTELJTTVFT
ေຬƒťƮ ]EBSUMBOHTEL IUUQTHJUIVCDPNEBSUMBOHTELJTTVFT
ƥźŮźƉğ 044ቔӮƑὨ≓
044ቔӮƑὨ≓ cሱٳůƆƉŧƮŶƋƒⅅŮƥƆƉŧƮ ¹*TTVFƊ㥽Ƣ
044ቔӮƑὨ≓ cdždžƮƑƒξůቋᗥƊŧŧ !PLVSBNBTBGVNJ
c⇀ṳƑࣂťƮⅳƵ ŰƄƶƋǀ✣ǭȉƍlj✣ǟƊࢳ㢯żƮ 044ቔӮƑὨ≓ !B@NBUTVEB ;0;0ǜDžǤȃǎ✣ǐƑℿἪ↜ρԫ൦aโ൦a.BU[൦Ǝ↙ŲƾȉǎǡƸದളb ʙƋƎŮŲℼŲaℼŲŶƋƵ㛀źƣʙ IUUQTUFDICMPH[P[PDPNFOUSZ@JOUFSWJFX
ƇŲƆƂ
ȌᄅᗥƋƒŧƇƍƑŮ c3BJMT
ȌᄅᗥƋƒŧƇƍƑŮ
ȌᄅᗥƋƒŧƇƍƑŮ c3VCZ
ȌᄅᗥƋƒŧƇƍƑŮ DMBTT%BUF]ǀǬǎƽDžǞᆷཟǏDžȀǭǞ∽3VCZȀǫƷȂȉǏǴǡǻƸȁ IUUQTEPDTSVCZMBOHPSHKBMBUFTUDMBTT%BUFIUNM
lj✣ǟƵ䪎ƣ
lj✣ǟƵ䪎ƣ
EBUF@DPSFD
EBUF@DPSFD
EBUF@DPSFD t = year * 12 + month + other
EBUF@DPSFD y = t / 12 m = t %
12 + 1 t = year * 12 + month + other d = dat.day(self.day)
EBUF@DPSFD y = t / 12 m = t %
12 + 1 t = year * 12 + month + other d = dat.day(self.day)
EBUF@DPSFD
EBUF@DPSFD
EBUF@DPSFD
EBUF@DPSFD
EBUF@DPSFD y = t / 12 m = t %
12 + 1 t = year * 12 + month + other d = dat.day(self.day)
EBUF@DPSFD y = t / 12 m = t %
12 + 1 t = year * 12 + month + other d = dat.day(self.day)
EBUF@DPSFD
EBUF@DPSFD y = t / 12 m = t %
12 + 1 t = year * 12 + month + other d = dat.day(self.day)
EBUF@DPSFD y = t / 12 m = t %
12 + 1 t = year * 12 + month + other d = dat.day(self.day)
żŷŲᾏ߄żƮƋ c%BUFOFX źƂƋźƉ
ƍƶƊŶƶƍŶƋźƉƮƑĤ c㔂ሱุƑₒźŸ DMBTT%BUF]ǀǬǎƽDžǞᆷཟǏDžȀǭǞ∽3VCZȀǫƷȂȉǏǴǡǻƸȁ IUUQTEPDTSVCZMBOHPSHKBMBUFTUDMBTT%BUFIUNM ݓƎƫƆƉ ڿ㔂ರƥũƫĆ
EBUF@DPSFD
EBUF@DPSFD
EBUF@DPSFD
EBUF@DPSFD
ƍƶƊŶƶƍŶƋźƉƮƑĤ c㔂ሱุƑₒźŸ ƵၩℰžŽƎℼŴƮƫũƎ cƲƂźƂƄƒw௹րżƮটᄅƑࣂರxůƞźŧƃŴ
wƂƑźŧ3VCZx Ƶ⻎⇀żƮƂƤ
ƄƍƢƎ cEBUF@DPSFDƒ୍ᄅƎቔӮ
ƄƍƢƎ cEBUF@DPSFDƑభƒEBUFSCƊ⻎ል ƀƑℭEBUFSCƒ ྛŲƬŧ
ƄƍƢƎ c¹EBUF@DPSFD c¹EBUFSC c ¹EBUFSC
cEBUFSC *OJUJBM
ơƋƤ c3VCZůቋۚƍƑƒa ቋۚƎƍƮƫũƎDPNNJUůὩơƯƉŰƂŮƬ cwźƂŧƫũƎℼŴƮxƑů3VCZƑᷠ৯ƑƕƋƇ cቋԚŮƬປᡋƍƥƑƍƶƉƍŧ cሱٳƑ֡ऎƑ㠥ൎƵᆩƮƋദ࣍ƎۋŻƬƯƉ ƥƆƋݺŰƎƍƮƑƊӑŭżżƤ
`)BQQZ$PEJOH
ŷౢ䒙ťƭůƋũŷŹŧơźƂ