Andriod Practical Project Development No. 14 – Tree Structure, How to Handle the Page Refresh Mechanism after Adding Nodes

Renderings public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); initData(); LinearLayoutManager manager = new LinearLayoutManager(mActivity); mTreeListRecy = view.findViewById(R.id.mTreeListRecy); if (mTreeListRecy != null) { mTreeListRecy.setLayoutManager(manager); mTreeListRecy.setAdapter(adapter); //Tree2HeaderView tree2HeaderView = new Tree2HeaderView(mActivity); treeHeaderView = new TreeHeaderView(mActivity,dataList); adapter.addHeaderView(treeHeaderView); //ArrayList<String> list = new ArrayList<>(); //for (int i = 0; i < 30; i + + ) […]

How does Node.js handle multiple requests?

Foreword In the field of computer science, the concepts of concurrency and parallelism are often mentioned. However, these two terms are often conflated, leading to a lot of confusion among many people about their understanding. The editor of this article will help readers better understand their different characteristics and application scenarios through an in-depth analysis […]

“Ideas of optimizing interface design” series: Part 5 – How to handle exceptions in the interface in a unified manner

Series article navigation Part 1 – Some twists and turns of interface parameters Part 2-Design and Implementation of Interface User Context Part 3 – Leaving traces of the user calling the interface Part 4-Permission Control of Interfaces Part 5 – How to handle exceptions in the interface in a unified manner Part 6 – Some […]

One Demo handles the front-end and back-end multi-part uploading of large files, resumed uploading at breakpoints, and instant uploading.

1Foreword File uploading is very common in project development. Most projects will involve the uploading of pictures, audios, videos, and files. Usually a simple Form can upload small files, but when encountering large files, such as more than 1GB, or When the user’s network is relatively slow, simple file upload is not applicable. The user […]

Github branch handles stash, rebase, merge, fastforward and branch code submission to the main branch

Directory 1 Three areas for git file storage 2 git simple submission format and query and modification of three location files 3 git rebase 4 git merge 5 Differences between merge and rebase 6 git stash 7 Applications under development 1 Three areas for git file storage Git’s file storage is divided into three areas, […]

The text at both ends of echarts dataZoom is not fully displayed. Set the label below the handle.

Problem: When the echarts dataZoom is as long as the chart, and when start=0 or end=100, the text at both ends is not fully displayed, as shown below Solution: You can put the text below and manually change the horizontal position when start90 <template> <div ref=”echartsBox” class=”echartsBox”></div> </template> <script lang=’ts’ setup> import * as echarts […]

How should Python handle key map values?

As a test after learning the basic knowledge of Python, Anxi can finally write scripts to handle any scenario like RDs, how to write the code elegantly, and then open the advanced version of Python. In this issue, I will briefly talk about the commonly used methods of key values in the collection module. Follow […]