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