Java crawler encounters data asynchronous loading, try these two methods!

This is the third in the Java Crawler series, in the last one What should Java crawlers do when they encounter websites that need to be logged in? In this article, we will talk about the problem of asynchronous loading of data when crawling, which is also a common problem in crawling. Now many of them are front-end and back-end separation proje ...

Posted by dellvostro on Sat, 12 Oct 2019 08:40:53 +0200

Knowledge Points in Peacetime Work and Study

13. Use of meta tags <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <!-- Use the latest browser by default --> <meta http-equiv="Cache-Control" content="no-siteapp"> <!-- Not being webpage(accelerate)transcoding --> <meta name="robots" content="index,follow"> <!-- Search Engine Grab --> <me ...

Posted by webrajesh on Fri, 11 Oct 2019 17:26:44 +0200

Echarts - Map Extension - Standard GeJson Format Extension Map - Example

Links to the original text: http://www.cnblogs.com/coprince/p/5590135.html I'm a rookie. I've been working on echarts maps recently. Seeing the official example of the "standard geoJson format extended map - the major cities of the ...

Posted by FredAt on Thu, 10 Oct 2019 23:15:12 +0200

pandas Common Functions

Links to the original text: http://blog.sina.com.cn/s/blog_77f476ef0102xid5.html Reference link: http://blog.sina.com.cn/s/blog_77f476ef0102xid5.html1 import statement2 File Reading3 Data Preprocessing4 Data Screening5 Data Operation and Sor ...

Posted by notepad on Thu, 10 Oct 2019 22:27:53 +0200

Getting coordinates and street details from Google Maps API development

Links to the original text: http://www.cnblogs.com/qiudongxu/p/8328291.html Getting coordinates and street details from Google Maps API development My own project has the need to get the coordinate latitude and longi ...

Posted by kippy on Thu, 10 Oct 2019 20:51:59 +0200

Page process of device crop momentum analysis

Requirement: The ultimate effect: Code: <style> html{ touch-action:none; } button, .aui-btn { background-color: #06a7e2; color: white; } .weui-cells{ margin-top: 40px; } .obj{ padding-left: 10px; line-height: 30px; word ...

Posted by manalnor on Thu, 10 Oct 2019 11:28:45 +0200

Industrialized 3D Electronic Fence Based on HTML5 WebGL

Preface The advancement of modern industrialization has greatly accelerated the modernization process and brought about corresponding security risks. In the traditional field of visual monitoring, the front-end technology based on Web SCADA is generally used to realize 2D visual monitoring. This system uses Hightopo's HT for Web products to co ...

Posted by ssppllaatt on Thu, 10 Oct 2019 08:57:59 +0200

controller Log Aspect Processing Based on Sprboot

controller Log Aspect Processing Based on Sprboot Problem Requirements: In the project, we need to record the input value of the interface in the log, call ip of the interface, call time of the interface, and store it in the library. Processing Method: Adding Cut Face Processing in controller Laye ...

Posted by Nightslyr on Wed, 09 Oct 2019 22:59:25 +0200

HttpClient first post s login, in get data

I use httpclient-4.5.1.jar. If the version of httpclient is too low, this method may not be used. It needs to set cookie manually. That method, not discussed for the moment, is mainly to get the returned cookie when landing, and then to fill the value of coolie in the new request header. However, this m ...

Posted by paulmo on Wed, 09 Oct 2019 21:27:04 +0200

js processing data

Handling of web address `https://www.awiizarii.com/index.php?ctl=Goods_Goods&met=goods&type=goods&gid=43558` Get the value of the parameters in the web site function getUrlParam(name){ var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); var r = window.location.search.substr(1).match(reg); if (r!=null) retu ...

Posted by rockinaway on Wed, 09 Oct 2019 17:19:22 +0200