Python crawler ajax crawls the content of Ma Yun's father's Micro blog

ajax crawling Sometimes when we use Requests to grab the page, the result may be different from what we see in the browser. We can see the normal page data in the browser, but we don't get the result using Requests. The reason is that Requests gets the original HTML document, while the page in the browser is the page passing by again The result ...

Posted on Sat, 22 Feb 2020 12:37:06 -0500 by fifin04

Uncaught TypeError: Cannot set property 'onclick' of null solution

If the js content is placed directly within the head tag, the button button cannot click to change the background color of the body normally. The error prompt is demo6.html:16 Uncaught TypeError: Cannot set property 'onclick' of null. The analysis solution is as follows: 1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 ...

Posted on Sat, 22 Feb 2020 10:28:20 -0500 by ashley526

Solution to the problem that the toolbar button fails after the table of layui is reload ed

After the table in layui uses the toolbar, the buttons on the toolbar will fail when the table is refreshed. The reason is that after the table is reloaded, there is no trigger event for binding toolbar buttons. Therefore, you only need to rebind the binding events of all buttons after the initialization of the table and after the refresh of ...

Posted on Fri, 21 Feb 2020 10:46:17 -0500 by pmjm1

Solution to the problem that the toolbar button fails after the table of layui is reload ed

After the table in layui uses the toolbar, the buttons on the toolbar will fail when the table is refreshed. The reason is that after the table is reloaded, there is no trigger event for binding toolbar buttons. Therefore, you only need to rebind the binding events of all buttons after the initialization of the table and after the refresh of ...

Posted on Fri, 21 Feb 2020 10:47:29 -0500 by SuisydeKing

HTML+JS+CSS to realize student information management system

HTML+JS+CSS to realize student information management system Effect page increase Delete change check Page turning Code difficulty Difficulty 1 Difficulty 2 Difficulty 3 Difficulty 4 epilogue Effect If you don't speak much, you can directly see the effect. This code is complex. I hope you ca ...

Posted on Fri, 21 Feb 2020 10:23:27 -0500 by Copernicus

Introduction to ECharts

ECharts introduction notes 1. Configuration mode Independent version We can download echarts.min.js directly and use 2.First Demo Step 1: create an HTML page Create an HTML page and introduce echarts.min.js: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> & ...

Posted on Fri, 21 Feb 2020 05:55:40 -0500 by Misery_Kitty

Hand in hand to teach you to write a Python version of K-line synthesis function

When writing and using policies, we often use some uncommon K-line cycle data. However, exchanges and data sources did not provide data for these cycles. You can only synthesize by using data from an existing cycle. There is already a JavaScript version of the composition algorithm( link )In fact, it's easy to migrate a piece of JavaScript code ...

Posted on Fri, 21 Feb 2020 02:53:33 -0500 by suigion

ECharts mapping - (national epidemic simulation example)

National epidemic simulation example Before drawing, we need to know some basic components of Echarts: 1.geo geo is the geographic coordinate system component of the ECharts chart. The geographic coordinate system component in ECharts can be used for map drawing. It supports the drawing of scatter map ...

Posted on Fri, 21 Feb 2020 01:00:00 -0500 by Tonisius

[important notes on data analysis and mining 2]

Article directory Software to install - Anaconda Detailed installation steps and methods of Anaconda Anaconda quick download address Choose your version That's it Detailed installation steps of Anacon ...

Posted on Thu, 20 Feb 2020 05:33:04 -0500 by FireyIce01

jQuery-JQuery event registration - jQuery event object - copy object - Multi library Coexistence - plug-in - with practice cases - Recommended collection

jQuery Learning objectives: Be able to name four common registration events The advantages of being able to say on binding events Be able to say the advantages and ways of jQuery event delegation Be able to say binding events and unbinding events Be able to say the copy method of jQuery object Two way ...

Posted on Thu, 20 Feb 2020 04:16:17 -0500 by scnjl