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
Shuhei Kagawa
August 20, 2015
Programming
2
2k
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
910
Building a Pixel Art Editor with Elm
shuhei
1
810
Redux Middleware Wars (Japanese)
shuhei
8
1.9k
Redux Middleware Wars (English)
shuhei
0
180
Draw Animated Chart on React Native
shuhei
0
8.9k
Angular 2 Offline Compiler
shuhei
0
5.4k
Weird Attractors
shuhei
0
890
Angular 2 @ JS Ojisan #6-3
shuhei
1
3k
Introduction to Angular 2
shuhei
2
160
Other Decks in Programming
See All in Programming
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
hollycummins
0
250
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
620
AIと人間の共創開発!OSSで試行錯誤した開発スタイル
mae616
2
800
Cursorハンズオン実践!
eltociear
2
1.2k
バッチ処理を「状態の記録」から「事実の記録」へ
panda728
PRO
0
190
テーブル定義書の構造化抽出して、生成AIでDWH分析を試してみた / devio2025tokyo
kasacchiful
0
290
Vueのバリデーション、結局どれを選べばいい? ― 自作バリデーションの限界と、脱却までの道のり ― / Which Vue Validation Library Should We Really Use? The Limits of Self-Made Validation and How I Finally Moved On
neginasu
2
1.5k
デミカツ切り抜きで面倒くさいことはPythonにやらせよう
aokswork3
0
260
PHPに関数型の魂を宿す〜PHP 8.5 で実現する堅牢なコードとは〜 #phpcon_hiroshima / phpcon-hiroshima-2025
shogogg
1
330
Range on Rails ―「多重範囲型」という新たな選択肢が、複雑ロジックを劇的にシンプルにしたワケ
rizap_tech
0
7.7k
Google Opalで使える37のライブラリ
mickey_kubo
3
140
Domain-centric? Why Hexagonal, Onion, and Clean Architecture Are Answers to the Wrong Question
olivergierke
3
970
Featured
See All Featured
Six Lessons from altMBA
skipperchong
29
4k
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.2k
For a Future-Friendly Web
brad_frost
180
10k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.5k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
359
30k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
990
Principles of Awesome APIs and How to Build Them.
keavy
127
17k
Typedesign – Prime Four
hannesfritz
42
2.8k
Building Better People: How to give real-time feedback that sticks.
wjessup
369
20k
How to Think Like a Performance Engineer
csswizardry
27
2.1k
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