Programmer Think

Function construction and sorting 1. Import jar package 2. Add file parser 3. Successfully set up the login success interface 4. Jump to the add interface through the "add Avatar" function of the interface 5 add the necessary Ajax file upload JS component 6. Realize the upload function and deploy the local gallery to the Tom ...

1. Cause of the problemI use vite2 + vanillajs template to create CesiumJS project, where, main JS is like this:import { Viewer } from 'cesium' import './style.css' import 'cesium/Source/Widgets/widgets.css' let viewer const main = () => { const dom = document.getElementById('app') viewer = new Viewer(dom) } document.addEventListener(' ...

In a business scenario, processing a task queue may need to follow a certain priority order. At this time, the priority queue in Java can be used. The principle of priority queue is closely related to heap sorting. Please refer to my previous blog:Summary and implementation of heap sortingprincipleA Queue [] array is maintained in PriorityQueue ...

Standard library os package learning in GoLang 1.io.EOF error io.EOF is triggered when there is no readable content. For example, if a file Reader object is empty, or the file pointer points to the end after reading several times, calling Read will trigger EOF 2.perm parameter permission 3.os. O_ Constants such as rdonly const ( ...

1. Grail layout Main: floating + margin left + relative positioning Write a large container containing middle,left and right. Put the middle in frontThe three containers below the container float and write the height of 200pxWrite 100% for the middle width. At this time, left and right are squeezed into the second line. Set the width of left ...

1, What is a form label The form is used to collect the user's input data, and then submit the data to the server 2, Form composition A form has three basic components: ① Form tag: This contains the URL of the program used to process the form data and the method to submit the data to the server. ② Form field: contains text box, password ...

In the face of more and more high concurrency scenarios, the display of current limit is particularly important. Of course, there are many ways to implement current limiting. Redis has very powerful functions. I have practiced three ways with redis, which can be implemented in a relatively simple way. Redis can not only limit current, but also ...

⭐ ♪ previous words ⭐ ️ This article introduces you to Java syntax - generics and wildcards. Generics and wildcards are very abstract concepts. In short, both can pass types as "parameters". However, generics are used when you know what type to pass in, while wildcards are used when you are not sure what type to pass in, This articl ...

1. Preface Here we mainly record the problem that WiFi cannot connect to AP, analysis and solutions 2. Problem record 2.1 problem origin and description Problem origin: the trial production test of the factory production line found that the AP signal was strong but could not be connected without welding the antenna. Platform information: a ...

directory structure├── benchmarks Performance and benchmarking ├── dist Build packaged output directory ├── examples Case catalogue ├── flow flow Syntax type declaration ├── packages Some additional packages, such as those responsible for server ...