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    影片分級

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    • C2 高級

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    parser

    US /'pɑ:sə/

    ・

    UK /'pɑ:sə/

    C1 高級
    n.名詞語法分析程序 ; 語法分析器
    Compilers must parse source code in order to translate it into object code

    影片字幕

    ArduinoJson 7 有什麼新功能?! (What's new in ArduinoJson 7)

    14:56ArduinoJson 7 有什麼新功能?! (What's new in ArduinoJson 7)
    • Before we go into the good stuff, I must warn you that Arduino JSON 7 is significantly bigger than version 6. For example, on an Arduino Uno R3, the parser example is 41% bigger and the generator example is 45% bigger. Previously, all my design decisions were aimed at keeping the code small. Indeed, when I designed Arduino JSON 6, most users ran their programs on 8-bit microcontrollers. And that's why I focused so much on code size.

      在進入精彩內容之前,我必須提醒您,Arduino JSON 7 比第 6 版大了很多。例如,在 Arduino Uno R3 上,解析器示例要大 41%,生成器示例要大 45%。以前,我所有的設計決定都是為了保持代碼的小巧。事實上,當我設計 Arduino JSON 6 時,大多數用戶都在 8 位微控制器上運行他們的程序。這也是我如此關注代碼大小的原因。

    • Fixed memory allocation is perfect when resources are scarce but requires more discipline from the programmer. During the past five years, we attended to the rise of 32-bit microcontrollers, first with the ESP8266, then with the ESP32 and all the ARM-based MCUs. 32-bit microcontrollers have much more memory but also a bigger runtime framework, so Arduino JSON now represents a small fraction of the executable. If we compare the parser example on the two versions of the Arduino Uno, we see that Arduino JSON 7 makes up about two-thirds of the executable on R3 but only 7% on R4. Because the proportion is much smaller, the difference between Arduino JSON 6 and 7 is neglectable on 32-bit microcontrollers. For example, on Arduino Uno R4 minima, the parser example only grew by 2.3% and the generator example by 1.7%. As you can see, the size of the library is not so important anymore. Arduino JSON 7 can run on 8-bit microcontrollers but if the memory is tight, it's probably better if you stick with version 6.

      在資源稀缺的情況下,固定內存分配非常完美,但對程序員的要求更高。在過去五年中,我們注意到 32 位微控制器的興起,首先是 ESP8266,然後是 ESP32 和所有基於 ARM 的 MCU。32 位微控制器內存更大,但運行時框架也更大,是以 Arduino JSON 現在只佔可執行文件的一小部分。如果我們比較 Arduino Uno 兩個版本上的解析器示例,就會發現 Arduino JSON 7 在 R3 上約佔可執行文件的三分之二,而在 R4 上僅佔 7%。由於比例要小得多,是以在 32 位微控制器上,

    B1 中級

    為什麼 Python 是 AI 的首選語言?Python之父Guido van Rossum 揭密! (Why Python is the language of AI: insights from Guido van Rossum (creator of Python))

    08:07為什麼 Python 是 AI 的首選語言?Python之父Guido van Rossum 揭密! (Why Python is the language of AI: insights from Guido van Rossum (creator of Python))
    • I wanted to redesign the parser completely using very different principles, a different sort of way of building parsers that was much more flexible for the syntax of the language.

      我們至少有一個完整的新複雜語句,使用了兩個新的上下文敏感軟關鍵字。

    • I wanted to redesign the, the parser completely using very different principles, a different sort of way of building parsers that was much more flexible for the syntax of the language.

      我想徹底重新設計解析器,使用非常不同的原則,一種更靈活地構建解析器的方式,來處理語言的語法。

    B1 中級

    機器學習:Google 的願景 - Google I/O 2016 (Machine Learning: Google's Vision - Google I/O 2016)

    44:45機器學習:Google 的願景 - Google I/O 2016 (Machine Learning: Google's Vision - Google I/O 2016)
    • We just launched open source the sentence parser, Parsey McParseface.

      我們剛發布了開源的句子解析器 Parsey McParseface。

    • I think the important thing about the open source release we did of the parser is it's using TensorFlow as well.

      我認為我們發布的解析器開源版本的重要之處在於它也使用了 TensorFlow。

    A2 初級

    Google I/O 2011:學會愛上 JavaScript! (Google I/O 2011: Learning to Love JavaScript !)

    03:26Google I/O 2011:學會愛上 JavaScript! (Google I/O 2011: Learning to Love JavaScript !)
    • It's a, you know, a new client-side compiler that we wrote, uh, hand-built parser, um, that sort of thing.

      這是一個,你知道,一個我們編寫的新客戶端編譯器,呃,手工構建的解析器,嗯,之類的。

    • hand-built parser, that sort of thing.
    B1 中級

    Google I/O 2014--完美執行錯誤的計劃 (Google I/O 2014 - Perfectly executing the wrong plan)

    47:51Google I/O 2014--完美執行錯誤的計劃 (Google I/O 2014 - Perfectly executing the wrong plan)
    • That's part of the [? parser, ?] where
    A2 初級