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Crawling zol wallpaper with java First find the wallpaper page Get ur: http://desk.zol.com.cn/showpic/1920x1080_4000_10.html Then check the source code to find the information of the picture <img src="https://desk-fd.zol-img.com.cn/t_s1920x1080c5/g5/M00/01/0E/ChMkJ1bKwfWIK7FbAAiTgt3qkBkAALGggICr ...

Preface We often use cache to improve data query speed. Due to the limited cache capacity, when the cache capacity reaches the upper limit, we need to delete some data and move out of space, so that new data can be added. Cache data cannot be deleted randomly. Generally, we need to delete cache data according to some algorithm. The commonly use ...

Catalog 1. Use scenario 2. Principle of multi thread Download 3. How to download the request in sections 3.1. How to segment the requested data. 3.2. How to assemble the data downloaded in sections into a complete data file. 4. Key code implementation 3. Achievements 4, summary 5. Reference ...

|--Requirement description   |--Realization ideas 1. According to the inheritance logic, it is determined that all mobile phones have a mobile phone parent class, which is defined as an abstract class, in which two abstract methods are defined to realize calling and sending information. 2. According to the logic of.... has....a.. Interfac ...

**The project has a function to monitor whether a service is online. * * *The service will send "heartbeat" to the back-end every 5 seconds (the heartbeat can be a string, a value, etc.). Once the service fails to send "heartbeat" to the back-end for more than 30 seconds, the back-en ...

What is vue.js vue.js is one of the main front-end frameworks and angular.js, React.js Can be used for mobile App development Is a framework for building user interface The difference between framework and Library The framework is a complete solution. Changing the framework needs to restructure the w ...

Implementation of Student Management System Version V1.0 (Storage String in Array) Array student management requires the management of the student name information stored in it. It can add, delete and query data. The functions are shown as follows: Student management system: 1. Adding trainee informati ...

I. Preface Code line count is mainly used to count the number of code lines of all files in the project, including blank lines, comment lines, code lines. You can specify filter extensions, such as files that only want to count. cpp, you can also specify files or directories for statistics. The first thing to do after writing this tool is to co ...

Small program project requirements, after touching the bottom, slide up to switch pages, slide down to cancel the switch. Use touch events to bind touch start, touch move, touch end events, respectively wxml code <view class="section" bindtouchstart="handletouchtart" bindtouchmove="handletouchmove" b ...

There are many movies on Douban. Sometimes it is very convenient to check the movie information and search it. But how to view Douban movies through the interface form is a very practical function for many websites and app s. Here I attach a code of Douban Movie Information Acquisition implemented by java. Interesting to see: package com.xiaoco ...