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- DictionaryI·tem/ˈīdəm/
noun
- 1. an individual article or unit, especially one that is part of a list, collection, or set: "the items on the agenda"
adverb
- 1. used to introduce each item in a list: archaic "item two statute books … item two drums"
17 hours ago · The timeline of historic inventions is a chronological list of particularly important or significant technological inventions and their inventors, where known. [a] History of technology By technological eras Premodern Prehistoric Stone Age (lithic) Neolithic Revolution Copper Age Bronze Age Iron Age Ancient Modern Proto-industrialization First Industrial Revolution Standardization Second ...
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17 hours ago · Baruch (de) Spinoza (24 November 1632 – 21 February 1677), also known under his Latinized pen name Benedictus de Spinoza, was a philosopher of Portuguese-Jewish origin. As a forerunner of the Age of Reason, Spinoza significantly influenced modern biblical criticism, 17th-century rationalism, and contemporary conceptions of the self and the universe, establishing himself as one of the most ...
- Benedictus de Spinoza
17 hours ago · Item 22: When using the Pimpl Idiom, define special member functions in the implementation file. 如果你曾经与过多的编译次数斗争过,你会对Pimpl(pointer to implementation)惯用法很熟悉。 凭借这样一种技巧,你可以将类数据成员替换成一个指向包含具体实现的类(或结构体)的指针 ...
17 hours ago · item=BaiduimgsPipeItem() item[“image_urls”]=image_urls. yield item. 2.编写items.py文件:(注意:使用媒体管道类的话,这个字段名必须是image_urls,因为源码中默认的字段名就是这个!!!)-- coding: utf-8 --Define here the models for your scraped items See documentation in: