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vue+tp separates and develops real-time epidemic dynamic map

Course Intermediate 15188

Course Introduction：This public welfare live broadcast uses Vue scaffolding to complete the single-page display of China's epidemic and global epidemic data~ The project structure is carried out using the current trend of completely separating the front and back ends. The way to display China's epidemic data is to make a China epidemic map, and the way to display global epidemic data is to make a column chart. The technical hot spots involved are as follows: 1. echarts map configuration, complex column chart configuration; 2. axios cross-domain request cache data interface; 3. tp redis caches third-party interface data and other contents;

Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17659

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

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python3.x - The fourth question of python and oanda's simulated trading api

I want to display the data obtained from the API as a real-time trend chart, as shown below. I have only used matplotlib.pyplot to make graphs. matplotlib.pyplot seems to be static. Is there any dynamic or real-time one? Thanks

2017-05-18 10:53:19

JQuery - On-the-fly calculations/conversions in dynamic tables

I do have a dynamic HTML table (rows can be added) and I "just" want to read the value in liters and convert it to USG when the user enters the value (get the value in liters, convert it Convert and put it in the USG input field). Dynamic HTML table I've created a function that executes after every insertion of an increment: _onFuelLiterInput(event){//ForallinputFieldswithname=fuelLiter$('#tankdaten.'+DEF

2024-04-03 12:38:26

java - Gaode map displays the obtained longitude and latitude in real time

I need to display a vehicle on the map in real time. The device will continuously upload the longitude and latitude information every few seconds, and then the server will return to the app. My current idea is to refresh it regularly, then jump to it with the maker click, and then add a line in the middle to show real-time dynamics. but...

2017-05-16 13:26:49

How to use Vue-Chartjs to dynamically update line charts efficiently?

I have this working code that updates a chart where onMount simulates some kind of update. But completely destructuring the array and rebuilding it with new values in the OnMounted hook doesn't seem very efficient? I have tried using reactive components for data_values and label_values but that results in a maximum call stack exceeded error when the update fires. So my question is, is there a better way to update the chart than the code below? <template><Line:data="chartData&quo

2024-01-29 13:35:31

javascript - How to delete the data dynamically added by jquery when clicking the cancel button, leaving the original one?

As shown in the picture, this is a pop-up box. The content in the red circle is suitable for things dynamically added by jquery. How can I delete the dynamically added things after saving or canceling, leaving the original ones to ensure that the next time I click on the pop-up box, it will still look like the original one?

2017-05-18 10:50:42

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Example code for dynamically generating line charts with PHP GD library

Course Introduction：Example code for dynamically generating line charts with PHP GD library

2016-07-25 comment 0 1542

How to dynamically load line charts through Ajax (graphic tutorial)

Course Introduction：This article mainly introduces the Echarts tutorial method of dynamically loading line charts through Ajax. Friends in need can refer to it.

2018-05-21 comment 0 2656

How to Create Real-time Dynamic Plots in Matplotlib?

Course Introduction：Dynamically Updating Plot in MatplotlibQuestion:How can I update a real-time plot in Python's Matplotlib library, adding data points as they...

2024-11-24 comment 0 362

How can I dynamically change CSS class rules in real time with jQuery?

Course Introduction：Change CSS Class Rules Dynamically with jQueryYour query involves two aspects:1. Modifying Class Rules in Real TimejQuery alone cannot alter CSS...

2024-11-03 comment 0 371

jQuery's method to dynamically modify image size when loading the page_jquery

Course Introduction：This article mainly introduces jQuery's method of dynamically modifying the image size when the page is loaded. It analyzes the techniques of jQuery to operate images with examples. It is of great practical value. Friends who need it can refer to it.

2016-05-16 comment 0 1407

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