Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Find out potential dead codes from diff
Search
Shia
June 07, 2018
Technology
0
7.1k
Find out potential dead codes from diff
Shia
June 07, 2018
Tweet
Share
More Decks by Shia
See All by Shia
ひとつの開発環境
riseshia
0
20
Conquering Massive Traffic Spikes in Ruby Applications with Pitchfork
riseshia
0
220
スパイクアクセス対策としての pitchfork 導入
riseshia
0
740
NewEngineering 2024 - 繋がっていくサービスを支える開発環境作り
riseshia
0
1.5k
Hotspot on Coverage
riseshia
0
240
差分ベースで効率的にテストを実行してみる
riseshia
1
760
Cookpad internship 2020 summer - web
riseshia
0
7.6k
マイクロサービス化を支える継続的切り替え術
riseshia
0
660
Cleaning up a huge ruby application
riseshia
3
12k
Other Decks in Technology
See All in Technology
Reinforcement Fine-tuning 基礎〜実践まで
ch6noota
0
140
ML PM Talk #1 - ML PMの分類に関する考察
lycorptech_jp
PRO
1
700
プロダクトマネージャーが押さえておくべき、ソフトウェア資産とAIエージェント投資効果 / pmconf2025
i35_267
2
580
【CEDEC+KYUSHU2025】学生・若手必見!テクニカルアーティスト 大全 ~仕事・スキル・キャリアパス、TAの「わからない」を徹底解剖~
cygames
PRO
0
140
グレートファイアウォールを自宅に建てよう
ctes091x
0
140
品質のための共通認識
kakehashi
PRO
2
190
生成AIでテスト設計はどこまでできる? 「テスト粒度」を操るテーラリング術
shota_kusaba
0
440
プロダクトマネジメントの分業が生む「デリバリーの渋滞」を解消するTPMの越境
recruitengineers
PRO
3
710
21st ACRi Webinar - Univ of Tokyo Presentation Slide (Shinya Takamaeda)
nao_sumikawa
0
120
非CUDAの悲哀 〜Claude Code と挑んだ image to 3D “Hunyuan3D”を EVO-X2(Ryzen AI Max+395)で動作させるチャレンジ〜
hawkymisc
1
160
Edge AI Performance on Zephyr Pico vs. Pico 2
iotengineer22
0
110
Playwright x GitHub Actionsで実現する「レビューしやすい」E2Eテストレポート
kinosuke01
0
320
Featured
See All Featured
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
659
61k
Six Lessons from altMBA
skipperchong
29
4.1k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
508
140k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.1k
Designing for Performance
lara
610
69k
Mobile First: as difficult as doing things right
swwweet
225
10k
Measuring & Analyzing Core Web Vitals
bluesmoon
9
700
Speed Design
sergeychernyshev
33
1.4k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.2k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
Stop Working from a Prison Cell
hatefulcrawdad
273
21k
Transcript
'JOEPVUQPUFOUJBMEFBE DPEFTGSPNEJGG TIJB!DPPLQBE
QQTFMG w4BOHZPOH4JN !TIJB w&OHJOFFSBU$PPLQBE*OD w4XFFUTNBLFS
!DPPLQBE@IS IUUQTXXXJOTUBHSBNDPNQ#K&%*)MJ1;
*OUIJTQSFTFOUBUJPO w'PDVTPOTUBUJDDPEF BOBMZTJT wEFBEDPEFVODBMMFENFUIPET ‣ 4P UBSHFUJOHBQQMJDBUJPOQSPKFDUT OPUMJCSBSJFT
*UTIBSEUPpOEEFBE DPEFXSJUUFOJO3VCZ
1SFWJPVT"QQSPBDI %FCSJEF w"OBMZ[FDPEFGPSQPUFOUJBMMZ VODBMMFEEFBENFUIPET w IUUQTHJUIVCDPNTFBUUMFSCEFCSJEF
1SPCMFN w5PPNBOZGBMTFQPTJUJWFT w8IBUBCPVU%4-
1SPCMFN w5PPNBOZGBMTFQPTJUJWFT ‣ 'PDVTPOUIJT w8IBUBCPVU%4- ‣ (JWFVQ
1SPQPTBM 'PDVTPOUIFEJGGPGEFBE DPEFT w'JMUFSPVUGBMTFQPTJUJWFTCZ DPNQBSJOHEFBEDPEFT CFUXFFOUXPDPNNJUT
)PXUP w NFUIPE@B w NFUIPE@C w NFUIPE@D w NFUIPE@E Potential
unused list A
)PXUP w NFUIPE@B w NFUIPE@C w NFUIPE@D w NFUIPE@E Potential
unused list A Potential unused list B w NFUIPE@B w NFUIPE@C w NFUIPE@E w NFUIPE@F Apply difference
)PXUP Unused list introduced by commit B - A w
NFUIPE@F
"EWBOUBHF w-FTTOFFEXIJUFMJTU w&BTZUPKVEHFEFUFDUFEDPEFJT SFBMMZEFBEPSOPU w&BTZUPBEBQUUPQVMMSFRVFTU$* ‣ &YQFDUOPUUPJODSFBTFUIF OVNCFSPGEFBEDPEFT
%JTBEWBOUBHF w$BOOPUDIFDLXIPMFEFBE DPEFT
5SZ w5FTUFEPODPPLQBE SFQPTJUPSZ w$IFDLFECZEBJMZ$* wXJUIEFBUIOPUF IUUQTHJUIVCDPNSJTFTIJBEFBUIOPUF
6TF$BTF 6OVTFEGSPNVOVTFE w133FNPWFVOVTFEDPEFT ‣ 5IFSFXBTDPEFTVTFECZ SFNPWFEDPEFT
6TF$BTF 'JOEJOH3FGBDUPSJOH.JTUBLFT w133FOBNFNFUIPET ‣ TPNFNFUIPETXBTNJTTFEUPCF SFOBNFE ‣ 6OGPSUVOBUFMZ UIFSFXBTOP UFTUT
4VNNBSZ w4IPXIPXUPpMUFSPVUGBMTF QPTJUJWFTCZDPNQBSJOH EFBEDPEFT w*UNBZCFVTFGVM
5IBOLZPV