coding

Object: *Real time entity. *physical entity. *combination of state and behaviour. Class: *logical entity. *blueprint for creating object *group of similar objects. *without class we cannot create objects. *class can be present without Object. Source link lol

已经有第三方库了，但是更新速度较慢，不是很成熟 库名：scrapy-ja3 使用方式1：直接在settings.py配置文件中加入一行 # ja3伪造 DOWNLOAD_HANDLERS = { 'http': 'scrapy_ja3.download_handler.JA3DownloadHandler', 'https': 'scrapy_ja3.download_handler.JA3DownloadHandler' } Enter fullscreen mode Exit fullscreen mode 使用方式2：在爬虫文件中实现（settings.py文件中不配置） from scrapy import Request, Spider class Ja3TestSpider(Spider): name="ja3_test" custom_settings = { 'DOWNLOAD_HANDLERS': { 'http': 'scrapy_ja3.download_handler.JA3DownloadHandler', 'https': 'scrapy_ja3.download_handler.JA3DownloadHandler', } } def start_requests(self): start_urls = [ 'https://tls.browserleaks.com/json', ] for url in start_urls: yield Request(url=url, callback=self.parse_ja3) def parse_ja3(self, response): self.logger.info(response.text) self.logger.info("ja3_hash: " + response.json()['ja3_hash']) Enter fullscreen mode Exit fullscreen mode 由于scrapy-ja3不支持最新版的scrapy前两个依赖一定要指定版本，否则一定会出现各种依赖问题 pip install Twisted==22.10.0 pip install Scrapy==2.9.0 pip install scrapy-ja3 Enter fullscreen mode Exit fullscreen mode Source link lol

Last year witnessed the explosive rise of large models, generating global enthusiasm and making AI seem like a solution to all problems. This year, as the hype subsides, large models have entered a deeper phase, aiming to reshape the foundational logic of various industries. In the realm of big data processing, the collision between large models and traditional ETL (Extract, Transform, Load) processes has sparked new debates. Large models feature “Transformers,” while ETL relies on “Transform” processes—similar names representing vastly different paradigms. Some voices boldly predict: "ETL will be completely replaced in the future, as large models can handle all…

Managing search parameters in Next.js with nuqs Megan Lee for LogRocket ・ Dec 2 #webdev #nextjs Source link lol