Text Literals 文本 Use the text literal notation to specify values whenever string appears in the syntax of expressions, conditions, SQL functions, and SQL statements in other parts of this reference. This reference uses the terms text literal, charact
欢迎收看本期的<老周吹牛>节目,由于剧组严重缺钱,故本节目无视频无声音.好,先看下面一个类声明. [DataContract] public class DemoObject { [DataMember] public double Part1 { get; set; } [DataMember] public int Part2 { get; set; } [DataMember] public byte Part3 { get; set; } [DataMember] public str
关于Scrapy如何安装部署的文章已经相当多了,但是网上实战的例子还不是很多,近来正好在学习该爬虫框架,就简单写了个Spider Demo来实践.作为硬件数码控,我选择了经常光顾的中关村在线的手机页面进行爬取,大体思路如下图所示. # coding:utf-8 import scrapy import re import os import sqlite3 from myspider.items import SpiderItem class ZolSpider(scrapy.Spider):