Hoʻopaʻa ʻia ʻo Chained ma Python Bytecode
\u003ch2\u003e Hoʻonohonoho ʻia ma Python Bytecode\u003c/h2\u003e \u003cp\u003e Hāʻawi kēia ʻatikala i nā ʻike koʻikoʻi a me ka ʻike e pili ana i kāna kumuhana, e kōkua ana i ka kaʻana like ʻana a me ka ʻike.\u003c/p\u003e \u003ch3\u003eKuhi Lawelawe\u003c/h3\u003e \u003cp\u003eR...
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He aha ka hana i hoʻopaʻa ʻia ma Python?
E hiki iā ʻoe ke hāʻawi i ka waiwai hoʻokahi i nā mea hoʻololi he nui i ka ʻōlelo hoʻokahi, e like me a = b = c = 10. Ma ka pae bytecode, loiloi ʻo Python i ka ʻōlelo lima ʻākau i hoʻokahi manawa, a laila hoʻopālua i ka hopena ma ka waihona me ka DUP_TOP a mālama iā ia i loko o kēlā me kēia pahu mai ka hema a i ka ʻākau. ʻO kēia ka mea e maʻalahi a maikaʻi hoʻi ka hana i hoʻopaʻa ʻia ma ke kākau ʻana i nā ʻōlelo hoʻokaʻawale.
Pehea ʻo Python bytecode e mālama ai i nā hana i hoʻopaʻa ʻia mai nā haʻawina he nui?
Me ka hāʻawi kaulahao, loiloi ʻia ka ʻōlelo hoʻokahi wale nō a hoʻopālua ʻia ka waiwai i loaʻa ma ka waihona no kēlā me kēia ʻano hoʻololi. ʻO ka ʻokoʻa, kākau i nā haʻawina kaʻawale e like me a = 10; b = 10 loiloi kūʻokoʻa i ka literal no kēlā me kēia laina. Hiki iā ʻoe ke nānā i kēia ʻano me ka hoʻohana ʻana i ka module dis a Python, nāna e hoʻokaʻawale i nā hana i loko o kā lākou mau kuhikuhi bytecode, e hōʻike ana i nā hana DUP_TOP a me STORE_NAME e pili ana.
Aia nā lua me ka hoʻopaʻa kaulahao no nā mea hiki ke hoʻololi?
ʻAe — he kuhi hewa maʻamau ke kākau ʻana i a = b = [], kahi e hoʻopaʻa ai i nā mea hoʻololi ʻelua i ka like mea papa inoa ma mua o ka hana ʻana i ʻelua papa inoa kūʻokoʻa. ʻO ka hoʻololi ʻana i kekahi e pili ana i kekahi. Hana ʻia kēia ma muli o ke kope ʻana o ka bytecode i ka kuhikuhi, ʻaʻole ka mea ponoʻī. ʻO ka hoʻomaopopo ʻana i kēia ʻano bytecode-level e kōkua i nā mea hoʻomohala e pale i nā pōpoki maʻalahi. Hoʻopili ʻo Mewayz i nā semantics hiki ʻole ke hoʻololi ʻia ma waena o kāna mau modula Python 207, loaʻa no $19/mo.
Ma hea e hiki ai iaʻu ke aʻo hou aku e pili ana i ka Python bytecode a me nā mechanics kūloko?
He kumu hoʻomaka maikaʻi ka palapala dis no ka ʻimi ʻana i nā ʻōlelo kuhikuhi bytecode. No kahi ala hoʻonaʻauao lima lima e uhi ana i ka Python internals me nā mākau hoʻolālā kūpono, hāʻawi ʻo Mewayz i 207 mau modula akamai i hana ʻia ma $19/mo. Ke holomua nei kēia mau modula mai nā manaʻo kumu e like me ka hoʻololi ʻana a hiki i nā kumuhana kiʻekiʻe e like me ka nānā ʻana i ka bytecode, hoʻokele hoʻomanaʻo, a me ka ʻano unuhi.
Kau Mea Paahana Pāʻoihana a pau ma kahi hoʻokahi
Hooki i ka hoʻopololei ʻana i nā polokalamu he nui. Hoʻohui ʻo Mewayz i nā mea hana 207 no $ 19 / mahina wale nō - mai ka waihona a hiki i ka HR, ka hoʻopaʻa ʻana i ka analytics. ʻAʻohe kāleka ʻaiʻē pono e hoʻomaka.
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