8년째 같은 제품을 만들고 있습니다

by RIDI

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8֙૩ э਷ ઁಿਸ ٜ݅Ҋ ੓णפ׮ թഅ਋

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਋ܻо ݽৈ੓ח ੉ਬ ਋ܻ\ӝദ੗¾ѐߊ੗¾٣੗੉ց^

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ൔೠ IT ӝস੄ ੄ࢎѾ੿ ҳઑ

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਋ܻח ৈӝ

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਋ܻח,  ഥࢎ੄ ޷࣌ਸ ׳ࢿೞҊ੗ ࢸ੿ػ ੹ۚী ࠗ೤ೞח  ઁಿਸ ٜ݅ӝ ਤ೧ ݽৈ੓णפ׮.

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ખ୊ۢ ߸ೞ૑ ঋח Ѫ दрҗ ജ҃ী ٮۄ  ࣻद۽ ߸ೞח Ѫ

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ખ୊ۢ ߸ೞ૑ ঋח Ѫ दрҗ ജ҃ী ٮۄ  ࣻद۽ ߸ೞח Ѫ ੹ۚ੉ ߄Շח ਗੋ: ةࢲ ੋҳ੄ ߸ച, بࢲ ੿оઁ, ӝࣿ੄ ߊ׳, ...

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ઁಿ ѐߊ੄ ౠ૚ ӝദ੗о ইޖܻ ৮߷೧ب ਃҳࢎ೦਷ ߄Ո׮. → ੹ۚ੉ ߸ೞӝ ٸޙী ੜ ٜ݅য ֬਷ ઁಿب ࢎۄ૓׮. → ੹ۚ੉ ߸ೞӝ ٸޙী

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ܻ٣࠘झ ѐߊ੄ ౠ૚ ܻ٣࠘झח ੉ઁ ҍ 9࢓ • cf. ݽ߄ੌ ѱ੐੄ ಣӐ ࣻݺ: 6ѐਘ • ਋ܻח ѱ੐ਸ ݅٘ח Ѫ੉ ইפ׮. খਵ۽ب ҅ࣘ יযт Ѫ੉׮. • ܻ٣࠘झ 2ח হ׮. • ૑ࣘغח ߸ചী ੜ ੸਽ೞח Ѫ੉ ઺ਃೞ׮.

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ܻ٣࠘झী ؀ೠ ҙबب

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গפ౿ী ؀ೠ ҙबب

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য়ט੄ ઱ઁ ޖ঺ਸ ٜ݅ө (x) যڌѱ ٜ݅ө (o)

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য়ېоח ઁಿ਷  যڌѱ ٜ݅ө?

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૞ӝ৬ ઑ݀ೞӝ

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૞׮1, ᭂ᪦ ޖ঺ਸ о۽ ࣁ۽۽ ৊য ୥୥൤ ٜ݅׮.

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ణप۽ झਝఠܳ ૞׮. ر੗ܻܳ ૞׮. ೐۽Ӓ۔ਸ ૞׮.

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ణप۽ झਝఠܳ ૞׮. ر੗ܻܳ ૞׮. ೐۽Ӓ۔ਸ ૞׮.

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ઑ݀ೞ׮1, ᪝ር ৈ۞ ࠗಿਸ ݽই ೞա੄ ޛѤਸ ٜ݅׮.

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ۨҊܳ ઑ݀ೞ׮. ஹೊఠܳ ઑ݀ೞ׮. ੉ாই оҳܳ ઑ݀ೞ׮.

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ࢻࣁೞ׮ ૞׮ ઑ݀ೞ׮ ೙ਃೠ ਃࣗܳ ૊द ؔ؂׮ ټࡎ੉ ਊ੉ೞ׮ (patch: Ӥ׮) ೧୓о য۵׮ ੤ࢎਊ੉ য۵׮ ࠽٬࠶۟ਸ ݢ੷ ݅ٚ׮ ټࡎ੉ য۵׮ ೧୓о औ׮ ੤ࢎਊ੉ औ׮ ై߅ೞ׮

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য়ېоח ઁಿ਷ ઑ݀غযঠ ೞ૑ ঋਸө?

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׮নೠ ࠙ঠ੄ ઑ݀ࢎ۹ Composition f ∘ g

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ೞ٘ਝয ٣੗ੋীࢲ 1. ઁಿ ٣੗ੋ ୭ઙ Ѿҗޛਸ ࢚࢚ೞӝ 2. ӝҳ ࢸ҅ Ѿҗޛਸ ઑ݀ؼ ࣻ ੓ח ਃٜࣗ۽ ࠙೧ೞӝ 3. ࠗಿ ѐࢶ п ਃٜࣗ੄ ৮ࢿبܳ ֫੉ӝ ߸҃ী ٮܲ ࠺ਊ੉ ݒ਋ ழࢲ ݽٕച੄ ೙ਃࢿ੉ ъઑؽ

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CPU ٣੗ੋীࢲ ੋభ: CISC (complex) • ೙ਃೠ ݺ۸যܳ ࢸ҅ী ݒߣ ୶оೞח ߑध cf. Ү଱য - ೞ׮, ೞ, ೧, ೮, ೧ࢲ, ೞחؘ, ೞפ, ೠ, ೡ, ... ARM: RISC (reduced) • ӝࠄ ݺ۸যܳ ઑ೤ೞৈ ো࢑ਸ ࣻ೯ೞח ߑध cf. Ҋ݀য - do, did, done, do+ing, to do, must do, … ߸ചೞח ߈ب୓, ஹ౵ੌ۞ ӝࣿী ਬোೠ ARM ߑध੄ थܻ

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೐۽Ӓ۔ ٣੗ੋীࢲ ё୓૑ೱ ਗ஗ (SOLID) • ױੌ ଼੐੄ ਗ஗ - ೠ ௿ېझח ೞա੄ ҙबࢎ݅ • ѐߑ-ತࣧ੄ ਗ஗ - ӝઓ ۽૒ ࣻ੿ হ੉ ഛ੢੉ оמ೧ঠ ೣ ೣࣻഋ ೐۽Ӓې߁ • ଵઑ ైݺࢿ - ё୓ী ૞ৈ૓ ࢚క(state)ܳ ܻ࠙ • ઑ݀ оמࢿ - HOC , Mixin ل ׮ ਬ૑ࠁࣻ৬ ഛ੢ਸ औѱ ೞӝ ਤೠ ݾ੸

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݃੉௼۽ࢲ࠺झ ইఃఫ୛ • ੹୓ܳ ੘਷ ࢲ࠺झٜ۽ ࠙೧ • ӒѪٜਸ וटೞѱ Ѿ೤ ਬץझ ୍೟ • ೐۽Ӓ۔਷ ೞա੄ ੌ݅ ੜ ೧ঠ ೣ • ೐۽Ӓ۔਷ োѾؼ ࣻ ੓যঠ ೣ दझమ ٣੗ੋীࢲ ݃ଲо૑۽ ਬ૑ࠁࣻ৬ ഛ੢ਸ औѱ ೞӝ ਤೠ ݾ੸

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ҕా੼: ࠂ੟ೠ അपীࢲ ࢓ইթӝ ਤ೧  ઑ݀ೞӝ ߑधਸ ࢶఖ ೞ٘ਝয ٣੗ੋ CPU ٣੗ੋ ೐۽Ӓ۔ ٣੗ੋ दझమ ٣੗ੋ

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ೞ٘ਝয ٣੗ੋ CPU ٣੗ੋ ೐۽Ӓ۔ ٣੗ੋ दझమ ٣੗ੋ ઁಿ ٣੗ੋ

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ઑӘ ؊ ୶࢚ച غ঻ਸ ࡺ,  ઁಿ ٣੗ੋب ׮ܰ૑ ঋਸ Ѫ੉׮.

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ઁಿ੄ ࠙೧৬ ઑ݀ Components & Composing

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਋ܻо ೞח ੌ: ਃҳࢎ೦ਸ ୓҅੸ਵ۽ ઁಿী ߈৔ೞח Ѫ

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਋ܻо ೞח ੌ: ਃҳࢎ೦ਸ ୓҅੸ਵ۽ ઁಿী ߈৔ೞח Ѫ ˝ ˞ ˟ ૞ৈઉ ੓য ࠙೧о оמೠ ਃٜࣗ

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1. ਃҳࢎ೦ਸ ࠙೧ ਃҳࢎ೦(ݺࣁ)ܳ ਃҳೞѱ ػ ޙઁٜਸ ଺ӝ • ֈযয়ח ਃ୒ী ޙઁо ࠙ݺೠ ҃਋ח ٘ޛ׮. • ӓ൤ ٘ޛ׮. • XY Problem੉ۄҊب ೠ׮. ޙઁ(X)ী ૞ৈ૓ ೧Ѿ଼(Y)ਸ ࠙೧ • Yо component

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যڃ ࣳೝށ੄ ࢎ۹ “Ҋёীѱ ഌఖਸ ઱੗!” (੤ߑޙਯਸ ֫੉ӝ ਤ೧)

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Aࢎ੄ ҃਋

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Aࢎ੄ ҃਋ Solutions

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Bࢎ੄ ҃਋

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Bࢎ੄ ҃਋ Solutions

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ઁಿ ѐߊ਷ x ↦ y ଺ӝ੄ োࣘ Solutions

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਋ܻ੄ ऀѹ૓ ޷࣌ যڌѱ ੹৉੸ਵ۽ ୭੸ചೡ Ѫੋо

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Σbenefit - Σcost = ? Solutions

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arg max(Σbenefit - Σcost) ࠗ࠙੸ੋ ޙઁٜী ୭ࢶਸ ׮ೞݶ Ѿҗ੸ੋ ബਊ੉ ղ۰оח ৉ࢸ • Costח ਬ૑ࠁࣻ۽ ੋೠ ઑ૒੄ ࣘب੷ೞب ನೣ ӓࠂ ߑউ: 1. ೧Ѿ଼੄ ബਯਸ ֫੉Ѣա (੗ݺೠ ߑߨ) 2. ޙઁ੄ о૙ࣻܳ ઴੉Ѣա 3. ೧Ѿ଼ਸ ੤ࢎਊೞѢա

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2. ೐۽ࣁझܳ ࠙೧ • ೐۽ࣁझח ࣽࢲ۽ ૞ৈ૓ ױਤ ੘সٜ ৘) ࣚש੉ ਺धਸ ઱ޙೞݶ ઱ߑীࢲ ਃܻܳ ೞৈ ղ઱Ҋ تਸ ߉ח׮. • Ѿ೤਷ ؀ӝৌ(Queue)۽ॄ ࠙೧ؼ ࣻ ੓׮. ৘) ध׼ ߑޙ → Q → ਺ध ઱ޙ → Q → ઱ߑ ਃܻ → Q → Ѿઁ • ױਤ ੘স੉ component

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ܻ٣நद  ߸҃ ղ ଼੢  ߸҃ ҳݒ ݫੌ ߊ࣠ ؘ੉ఠ੄ ൒ܴ ஹನք౟

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ܻ٣நद  ߸҃ ղ ଼੢  ߸҃ ҳݒ ੗ز୽੹ ؀ৈ ݅ܐ ݫੌ ߊ࣠

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ܻ٣நद  ߸҃ ղ ଼੢  ߸҃ ҳݒ ੗ز୽੹ ؀ৈ ݅ܐ नр ୹द CRM ݫੌ ߊ࣠ ಹद ߊ࣠

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ܻ٣நद  ߸҃ ղ ଼੢  ߸҃ ҳݒ ੗ز୽੹ ؀ৈ ݅ܐ नр ୹द CRM Ҋё ޙ੄ ੽ࣻ/਽؀ ݫੌ ߊ࣠ ಹद ߊ࣠

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3. ੘স੗ب ࠙೧ • ஹನք౟ী ૞ৈ૓ ־о(by whom)৬ ޖ঺(what)ਸ ࠙೧ • ੤ࢎਊ੉ оמೞ׮ח Ѫ = ־ҵо ੉޷ ٜ݅঻ਸ૑ب ݽܲ׮ח Ѫ • ߄௰ܳ ੤ߊݺೡ ݺ࠙ਸ ࠙ݺ൤ • ߄௰ܳ ਬ૑ࠁࣻೡ ݺ࠙ب ࠙ݺ൤

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ܻ٣நद  ߸҃ ҳݒ ੗ز୽੹ ؀ৈ ݅ܐ नр ୹द CRM Ҋё ޙ੄ ݫੌ ߊ࣠ ಹद ߊ࣠ ੽ࣻ/਽؀ Zendesk ղ ଼੢  ߸҃

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ܻ٣நद  ߸҃ ݫੌ ߊ࣠ ҳݒ ੗ز୽੹ ؀ৈ ݅ܐ नр ୹द CRM Ҋё ޙ੄ ੽ࣻ/਽؀ ಹद ߊ࣠ Zendesk Amazon SNS Mailchimp ղ ଼੢  ߸҃

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ܻ٣நद  ߸҃ ղ ଼੢  ߸҃ ݫੌ ߊ࣠ ҳݒ ੗ز୽੹ ؀ৈ ݅ܐ नр ୹द CRM Ҋё ޙ੄ ੽ࣻ/਽؀ ಹद ߊ࣠ ҅੿౱ Zendesk Amazon SNS Mailchimp

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ઑ݀਷ যڌѱ? ஹನք౟ ઑ݀ ߑध ৘द

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ઑ݀਷ যڌѱ? ஹನք౟ ઑ݀ ߑध ৘द ೞ٘ਝয ࠗಿ ӝ҅ध ݫழפ્ ߡౡ, ٘ۄ੉ߡ, ੽଱ઁ

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ઑ݀਷ যڌѱ? ஹನք౟ ઑ݀ ߑध ৘द ೞ٘ਝয ࠗಿ ӝ҅ध ݫழפ્ ߡౡ, ٘ۄ੉ߡ, ੽଱ઁ ࣗ೐౟ਝয ۄ੉࠳۞ܻ ஹ౵ੌ, ݂௼ node_modules, *.dll

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ઑ݀਷ যڌѱ? ஹನք౟ ઑ݀ ߑध ৘द ೞ٘ਝয ࠗಿ ӝ҅ध ݫழפ્ ߡౡ, ٘ۄ੉ߡ, ੽଱ઁ ࣗ೐౟ਝয ۄ੉࠳۞ܻ ஹ౵ੌ, ݂௼ node_modules, *.dll ઁಿ ೧Ѿ଼ / ױਤ੘স ؘ੉ఠ ੑ୹۱ ଼ ੿ࠁ, ҳݒ ੿ࠁ,  ܻ࠭ ੿ࠁ, ഋҟಗ ੿ࠁ

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Product Composition ޙઁী؀ೠ೧Ѿ଼ٜਸ ؘ੉ఠ੄൒ܴਵ۽ઑ݀ೞחѪ

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૞ח ೯ਤח ਋ߊ੸੉Ҋ ઑ݀ध ࢎҊח ײഃ੓׮

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1 Quick & Dirty

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Quick & Dirty • ૑੷࠙ೞ؊ۄب ੌױ ࡅܰѱ ݅ٚ׮. • Agile! • Lean! • MVP!

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⚠  ؊ۣഃب غח Ѫ੉ ੓Ҋ  উغח Ѫ੉ ੓਺

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ઑӘ ؊ۣഃب غח Ѫ • दп੸ੋ ੌҙࢿ • ࠛ஘੺ೠ UX • ௏٘ ಿ૕ • ࢿמ ߂ উ੿ࢿ i.e. ա઺ী ஖਋ӝ ए਍ Ѫ ೣࠗ۽ ؊ۣ൤ݶ উغח Ѫ ✨ • ޙઁ ৔৉ (Domain) ցޖ և਷ ޙઁܳ ಹח Ѫ਷ ইקө? • ੤ࢎਊࢿ (Composability) ঱ઃо ઑ݀ؼ ࣻ ੓ਸө? i.e. दр੉ ૑աب ࣻण੉ উغח Ѫ

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1. بݫੋਸ झ౵ѱ౭୊ۢ ٜ݅঻ਵݶ,  ަ ೧ب झ౵ѱ౭ ௏٘݅ աৡ׮. 2. ੤ࢎਊࢿਸ ҙܻೞ૑ ޅೞݶ,  ੢ӝ੸ਵ۽ ࡅܰѱ ਑૒ੌ ࣻ হ׮.

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"৵ ޙҳೞա ࣻ੿ೞחؘ 1઱ੌ੉ա Ѧ۰ਃ?" ੉۠ ࢚ടਸ ੄بೞח ࢎۈ਷ হ׮

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PS. ੤ࢎਊࢿ ҙ੼ীࢲ ਤ Ӓܿਸ ׮दࠁ੗

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2 Automation

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Automation ੗زചۆ? • ѐߊ੗ٜ੉ ޷؋੉ۄҊ ৈӝח Ѫ • ױࣽ ߈ࠂ ੘স ઴ৈ઱ח Ѫ • पࣻܳ ઴ৈ઱ח Ѫ ੗زചܳ ా೧ ੔ৈदрਸ ঳঻׮ݶ ޖ঺ਸ ੏঻ਸө?

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ޙઁܳ ੜ ಹח Ѫ੉ ইצ, ࡈܻ ಹח Ѫ • ೞ૑݅ ޙઁח ҅ࣘ ߸ೠ׮. (੹ۚ੉ ߸ೞפө) • ബਯ੸ != ബҗ੸ ࠙೧ػ ױਤ ੘সਸ Ѿ೤ೞৈ ೐۽ࣁझܳ ݅٘ח Ѫ • ஹನք౟о ૞ৈ૑Ҋ ੓૑ח ঋ਷૑? ੗زച੄ ੉ݶ

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ઑ૒੄ য়ߡೖ౴ ઑ૒੄ ࢎҊߑध੉ա दझమ੉ ૑աр ޙઁী ցޖ ୭੸ചغח Ѫ

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о஖ ઁউ য়ېب۾ ૓ചೞח ઁಿਸ ٜ݅੗ ೐۽Ӓ۔ਸ ૞૑ ݈Ҋ ઁಿب ૞૑ ݈੗ Ѥъೠ ஹನք౟ܳ ݆੉ ٜ݅Ҋ ੜ ҙܻೞ੗

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਋ܻ݅ ॳ૑ب ݈੗ ଼ API  ܻ࠭ API  Ѩ࢝ API  ةࢲ֢౟ API  ... ఃਕ٘ ౵ੋ؊  ੉޷૑ ݧ૑ѱ ҕਬೞӝ  ௑బஎ ࠭য  ଼ ୶ୌ ূ૓  ... ؘ੉ఠܳ ઁҕೞח ஹನք౟ ؘ੉ఠܳ ഝਊೞח ஹನք౟

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Always Be a Composer

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ଵҊ੗ܐ • The Pyramid of Clarity by Wavelength, Asana  https://wavelength.asana.com/pyramid-clarity-strategic-alignment/ • The Language of the System by Rich Hickey  https://www.youtube.com/watch?v=ROor6_NGIWU • Choose Boring Technology by Dan McKinley  http://boringtechnology.club/ • Unix Philosophy by Ken Thomson  https://en.wikipedia.org/wiki/Unix_philosophy • Simplicity Matters by Rich Hickey  https://www.youtube.com/watch?v=rI8tNMsozo0 • Worse is Better by Richard P. Gabriel  https://en.wikipedia.org/wiki/Worse_is_better • Images from: mojs, Composer, Docker Compose, React, LEGO®