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
Git の内部データ構造
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
Shuhei Kagawa
August 20, 2015
Programming
2
2.1k
Git の内部データ構造
Git がどのようにデータを保持しているかについて解説します。
Shuhei Kagawa
August 20, 2015
Tweet
Share
More Decks by Shuhei Kagawa
See All by Shuhei Kagawa
Profiling Node.js apps on production
shuhei
0
930
Building a Pixel Art Editor with Elm
shuhei
1
840
Redux Middleware Wars (Japanese)
shuhei
8
1.9k
Redux Middleware Wars (English)
shuhei
0
190
Draw Animated Chart on React Native
shuhei
0
8.9k
Angular 2 Offline Compiler
shuhei
0
5.4k
Weird Attractors
shuhei
0
910
Angular 2 @ JS Ojisan #6-3
shuhei
1
3.1k
Introduction to Angular 2
shuhei
2
170
Other Decks in Programming
See All in Programming
HTTPプロトコル正しく理解していますか? 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ニャ〜
hekuchan
2
690
コマンドとリード間の連携に対する脅威分析フレームワーク
pandayumi
1
460
AIフル活用時代だからこそ学んでおきたい働き方の心得
shinoyu
0
140
そのAIレビュー、レビューしてますか? / Are you reviewing those AI reviews?
rkaga
6
4.6k
AI & Enginnering
codelynx
0
120
Grafana:建立系統全知視角的捷徑
blueswen
0
330
CSC307 Lecture 06
javiergs
PRO
0
690
AIで開発はどれくらい加速したのか?AIエージェントによるコード生成を、現場の評価と研究開発の評価の両面からdeep diveしてみる
daisuketakeda
1
2.5k
360° Signals in Angular: Signal Forms with SignalStore & Resources @ngLondon 01/2026
manfredsteyer
PRO
0
130
AIと一緒にレガシーに向き合ってみた
nyafunta9858
0
250
24時間止められないシステムを守る-医療ITにおけるランサムウェア対策の実際
koukimiura
1
110
AIによるイベントストーミング図からのコード生成 / AI-powered code generation from Event Storming diagrams
nrslib
2
1.9k
Featured
See All Featured
What’s in a name? Adding method to the madness
productmarketing
PRO
24
3.9k
Skip the Path - Find Your Career Trail
mkilby
0
57
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
287
14k
The AI Search Optimization Roadmap by Aleyda Solis
aleyda
1
5.2k
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
mfonobong
2
280
Paper Plane (Part 1)
katiecoart
PRO
0
4.3k
Bioeconomy Workshop: Dr. Julius Ecuru, Opportunities for a Bioeconomy in West Africa
akademiya2063
PRO
1
55
Making Projects Easy
brettharned
120
6.6k
Building a Scalable Design System with Sketch
lauravandoore
463
34k
GraphQLとの向き合い方2022年版
quramy
50
14k
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
sarafernandez
0
120
Accessibility Awareness
sabderemane
0
54
Transcript
(JUͷ෦σʔλߏ 4IVIFJ,BHBXB .5FDI5BML
MTHJU '&5$)@)&"% )&"% DPOpH EFTDSJQUJPO IPPLT JOEFY JOGP MPHT PCKFDUT
QBDLFESFGT SFGT
USFFHJUPCKFDUT HJUPCKFDUT ᵓᴷᴷ ᴹᵋᴷᴷDGBFCCFG⒎DGFCGC ᵓᴷᴷ ᴹᵋᴷᴷCECBFDBFFFD⒎FG ᴹᵋᴷᴷEECCFBFECFDEB ᵓᴷᴷF ᴹᵋᴷᴷFFBFBEGGFCDFGD ᵓᴷᴷFC
ᴹᵋᴷᴷGGGFGEGECBBCBBGCFBCF ᵓᴷᴷJOGP ᵋᴷᴷQBDL
HJUPCKFDUT w ϑΝΠϧγεςϜΛར༻ͨ͠,FZ7BMVF4UPSFɻ w Ωʔͷ4)"ϋογϡɻ্ܻʢCZUFʣ͕ σΟϨΫτϦ໊ɺΓ͕ϑΝΠϧ໊ɻ DGBFCCFG⒎DGFCGC σΟϨΫτϦ໊ CZUF
ϑΝΠϧ໊ CZUF
PCKFDUͷछྨ CMPC USFF DPNNJU ϑΝΠϧͷத σΟϨΫτϦ ͷΑ͏ͳͷ ͍ΘΏΔίϛοτ
PCKFDUͷߏ CMPC a QVUT)FMMP 8PSMEaO PCKFDUͷ छྨ ۭന αΠζ
ψϧ จࣈ σʔλ 4)"ϋογϡ ϑΝΠϧ໊ ϑΝΠϧͷத [MJCѹॖ ϔομ
HJUDBUpMFQTIBIBTI
CMPC QVUT)FMMP 8PSMEaO w ϑΝΠϧͷதʮ͚ͩʯ͍࣋ͬͯΔɻ w ϑΝΠϧͷ໊લ͍࣋ͬͯͳ͍ɻ
USFF IFMMPKTa4)"ϋογϡʢόΠφϦʣ IFMMPSCa4)"ϋογϡʢόΠφϦʣ w USFFͱCMPCͷҰཡɻ w ֤ߦ໊લϞʔυʢύʔϛογϣϯʣΛ͍࣋ͬͯΔɻ w ຊվߦͳ͠ɻ
DPNNJU USFFFBGD⒎FBBDFDDGEF BVUIPS4IVIFJ,BHBXBTIVIFJLBHBXB!HNBJMDPN DPNNJUUFS4IVIFJ,BHBXBTIVIFJLBHBXB!HNBJMDPN )FMMP 8PSME w USFFͷࢀরΛҰ͍ͭ࣋ͬͯΔɻ
w ͋ͱॻ͍ͨਓͱίϛοτͨ͠ਓɺίϛοτϝοηʔδɻ
֤PCKFDUͷؔ CMPC USFF DPNNJU CMPC IFMMPSC (FNpMF *OJUJBMDPNNJU
֤PCKFDUͷؔ CMPC USFF DPNNJU DPNNJU USFF CMPC IFMMPSC
(FNpMF USFF MJC IFMMPSC (FNpMF *OJUJBMDPNNJU IFMMPSCΛMJC ʹೖΕͨ
֤PCKFDUͷؔ CMPC USFF DPNNJU DPNNJU DPNNJU USFF
USFF CMPC IFMMPSC (FNpMF USFF CMPC MJC MJC IFMMPSC (FNpMF (FNpMF *OJUJBMDPNNJU IFMMPSCΛMJC ʹೖΕͨ ར༻ϥΠϒϥϦ Λߋ৽
Θ͔Δ͜ͱ w DPNNJU͚ͩͰͳ͘CMPC USFF4)"ϋογϡ Λ͍࣋ͬͯΔɻ w มΘΒͳ͍CMPC USFFUSFF DPNNJUؒͰڞ༗͞Ε Δɻ
w ϑΝΠϧɾσΟϨΫτϦ໊CMPC USFFࣗͰͳ ͘ͷUSFF͕͍࣋ͬͯΔɻ
HJUSFGT w HJUSFGTIFBETNBTUFSͱ͔HJUSFGTUBHTWͱ͔ɻ w DPNNJUͷ4)"ϋογϡ͕ॻ͍ͯ͋Δ͚ͩɻ
HJUJOEFY w ࣍ͷDPNNJUʢͷUSFFʣΛ࡞ΔͨΊͷใ͕Ωϟογϡ͞Ε͍ͯΔɻ w มߋ͞ΕͨϑΝΠϧ͚ͩͰͳ͘શϑΝΠϧ͕ೖ͍ͬͯΔɻ w HJUMTpMFTͰݟ͑ͳ͍͕ɺ࠷ऴߋ৽࣌ͳͲೖ͍ͬͯΔɻ HJUMTpMFTTUBHF DDGEFECGCDBFDBECDCIFMMPKT D⒎BBFGDEEBGCE
IFMMPSC
ͦ͏͍͑ɾɾɾ w େ͖ͳϑΝΠϧʹҰߦͨ͠ΒɺผͷCMPC͕Ͱ͖ Δɻ w ͋Εɺ(JUͬͯϑΝΠϧΛࠩͰ࣋ͬͯͳ͍ͷʁ
HJUHD
CFGPSF HJUPCKFDUT ᵓᴷᴷ ᴹᵋᴷᴷDGBFCCFG⒎DGFCGC ᵓᴷᴷ ᴹᵋᴷᴷDEBGEBFGDE ᵓᴷᴷ ᴹᵋᴷᴷCECBFDBFFFD⒎FG ᵓᴷᴷC ᴹᵋᴷᴷGFGFCECBFFGBFC
ᵓᴷᴷDD ᴹᵋᴷᴷGEFECGCDBFDBECDC ᵓᴷᴷE ᴹᵋᴷᴷGCDDEDEGDGFG ᵓᴷᴷEC ᴹᵋᴷᴷEECCFBFECFDEB ᵓᴷᴷF ᴹᵋᴷᴷFFBFBEGGFCDFGD ᵓᴷᴷFB ᴹᵋᴷᴷGD⒎FBBDFDDGEF ᵓᴷᴷFC ᴹᵋᴷᴷGGGFGEGECBBCBBGCFBCF ᵓᴷᴷJOGP ᵋᴷᴷQBDL HJUPCKFDUT ᵓᴷᴷJOGP ᴹᵋᴷᴷQBDLT ᵋᴷᴷQBDL ᵓᴷᴷQBDLFDGDGBFBBGBCFECFGGJEY ᵋᴷᴷQBDLFDGDGBFBBGBCFECFGGQBDL BGUFS
1BDLpMF w JEYͱQBDLͷϖΞɻQBDL͕ຊମͰJEY͕ΠϯσοΫ εɻ w ෳͷPCKFDU͕٧Ίࠐ·Ε͍ͯΔɻ w ඞཁʹԠͯ͡CMPCΛࠩͰอ࣋ɻ w HJUWFSJGZQBDLWHJUPCKFDUTQBDLQBDLYYYJEYͰϦε
τ͕ݟΕΔɻ
QMVNCJOHDPNNBOET w HJUDBUpMF w HJUMTUSFF HJUNLUSFF HJUDPNNJUUSFF w HJUSFBEJOEFY HJUXSJUFJOEFY
HJUDPNNJUJOEFY
ࢀߟ w 1SP(JU(JU*OUFSOBMT IUUQTHJUTDNDPNCPPLFOW w (JU$PNNVOJUZ#PPL*OUFSOBMTBOE1MVNCJOH IUUQTTDIBDPOHJUIVCJPHJUCPPLJOEFYIUNM w HJU%PDVNFOUBUJPOUFDIOJDBM IUUQTHJUIVCDPNHJUHJUUSFFNBTUFS%PDVNFOUBUJPOUFDIOJDBM