Python Grabs Stock Data of Securities Star

Links to the original text: https://www.jianshu.com/p/85d52ecfb529 Data acquisition is an indispensable part of data analysis, and web crawler is one of the important channels for data acquisition. In view of this, I picked up Python as a sh ...

Posted on Mon, 19 Aug 2019 00:58:37 -0700 by Grunge

web crawler explanation-urllib library crawler-actual crawler search dog Wechat public number-package software installation Fiddler 4 explanation

Packaging module #!/usr/bin/env python # -*- coding: utf-8 -*- import urllib from urllib import request import json import random import re import urllib.error def hq_html(hq_url): """ hq_html()Encapsulated crawler functions that automatically enable user agents and ip agent //Receive a para ...

Posted on Mon, 12 Aug 2019 06:16:15 -0700 by stenk

From knowing Hash and Html5 History to simply implementing routing

Hash The hash attribute is a readable and writable string, which is the anchor part of the URL (starting with the #), and hash in the page has a variety of functional meanings: Anchor point url: http://www.example.com/index.html#jump dom: <a name="jump"></a> perhaps <div id="jump" > After reading hash, the browser automaticall ...

Posted on Tue, 06 Aug 2019 18:11:09 -0700 by keiran420

JS Learning Notes (Chapter 14) (Form Scripts)

The Knowledge Architecture of this Chapter var EventUtil = { //Adding event handlers addHandler: function(element, type, handler){ if (element.addEventListener){ element.addEventListener(type, handler, false); } else if (element.attachEvent){ element.attachEvent("on" + type, handler); } e ...

Posted on Fri, 26 Jul 2019 22:04:16 -0700 by forcom

Scrapy+Selenium Crawl Dynamic Rendering Website

Catalog 1. Introduction 2. Install Selenium 3. Install driver 3.1 Chrome 3.2 Firefox 3.3 Other browser-driven Downloads 4.Selenium Use 4.1 Chrome Configuration 4.2 Firefox Configuration 4.3 Do not display the browser-open interface 4.4 Disable browser pop-ups 4.5 driver properties and methods 1. Introduction Selenium is a tool for t ...

Posted on Thu, 18 Jul 2019 12:23:31 -0700 by ruben-

Promise Learning - Continue Updating

Explain A lot of Promise introductions were found on the Internet, and most of them ended up pointing to the official description of Promise. The official did not give the relevant case description for each sentence. I am dull in nature, unable to understand the meaning of the explanation, so I have to understand one sentence at a time, which ...

Posted on Wed, 10 Jul 2019 16:12:54 -0700 by gabrielserban

1 second crack js packer encryption (turn)

From: http://www.cnblogs.com/52cik/p/js-unpacker.html   Actually, it's a bit of a headline party, but that's probably what it means. Get to the point. eval(function(p,a,c,k,e,d){e=function(c){return(c<a?"":e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e ...

Posted on Sun, 07 Jul 2019 17:34:21 -0700 by phprocky

HTML5 Learning Form

The owner of the building now has a dog for postgraduate entrance examination in his junior year. Now he is jointly engaged in postgraduate entrance examination and learning technology. He writes something to record his growth. Every officer has many haihan. The contents of the book are posted: ValidityState object The Validity State obj ...

Posted on Thu, 04 Jul 2019 17:51:21 -0700 by john_6767

10.2 DOM Operational Technology [JavaScript Advanced Programming 3rd Edition]

Many times, DOM operations are more concise, so it is not cumbersome to generate content in JavaScript that would normally have been generated using HTML code.However, there are times when operating a DOM is not as simple as it might seem on the surface.Because browsers are full of hidden traps and incompatibilities, it is more complex to proce ...

Posted on Wed, 03 Jul 2019 10:30:10 -0700 by rd2010

CSS can also handle image effects yo

In everybody's impression, processing image effect is the work of UI. When I think of image processing, I think of photoshop (the beautiful camera flashed in the minds of my sisters, even when I wrote about it, I have a little flash in my mind). Software like this is completed. With the development of CSS browser, the front-end staff also upda ...

Posted on Thu, 27 Jun 2019 11:58:55 -0700 by David Wood