Two dimensional vector data to Mars coordinates

In this paper, based on the Supermap platform, the two-dimensional vector data of 84 to Mars is realized. Steps: Converting data into the geographic coordinate system of wgs84 in iDesktop In iDesktop, convert the data to geojson. Note that the format should be utf-8, otherwise the Chinese field will be garbled. Under nodejs, we use projzh ...

Added by jesbin on Wed, 15 Apr 2020 17:26:28 +0300

JS Component Series - JsPlumb Production Flowchart and Detailed Relevant Effects

Top Foreword: The previous project used JsPlumb, a drag-and-drop flowchart technology from the Web, which is not really difficult, but it feels good to share some flash-like effects made with HTML in the project. Jsplumb website: https://jsplumbtoolkit.com GitHub: https://github.com/sporritt/jsplumb/ 1. Effect Diagram Display ...

Added by RTT on Wed, 15 Apr 2020 03:55:48 +0300

The 44th blog post of Xiao Liu

Today, I want to have an early rest. There are so many things at home. I really don't want to study hard these days. However, there are so many things waiting to be done by myself. I still can't study at home. Maybe I drink too little chicken soup. <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> & ...

Added by Chalks on Tue, 14 Apr 2020 19:10:47 +0300

From the beginning to the end of the separation [Vue 2.0 +. Net core 2.1] 15 ║ Vue Foundation: JS object-oriented & literal & this word

origin Book to front< From the beginning of the front and back end separation [VUE 2.0 +. Net core 2.1] 14 ║ VUE plan & a brief history of my front and back end development >, yesterday we talked about several stages of web development experience explained by my experience, and also the knowledge points that Vue series need to tal ...

Added by classic on Sun, 12 Apr 2020 08:42:59 +0300

Vue asynchronous request

vue initially uses vue resource to implement asynchronous request (ajax), and vue 2.0 began to recommend using axios instead of vue resource.   Preparation 1. Download axios using npm npm install axios   2. Introducing axios.js <script src="js/axios.js"></script> Change to min.js when online         The front-end vue uses axios ...

Added by RiBlanced on Fri, 10 Apr 2020 17:44:55 +0300

An exploration on the failure of script in the loaded page when using the load method of jquery

Notice in advance: This article is written by beginners. For a process of exploration, there may be some imprecise and accurate places. I hope readers will understand and correct it actively! Scenario Description: In a front-end development process, I used a web page template, which contains a home page and four sub pages, as shown in the follo ...

Added by sureshmaharana on Thu, 09 Apr 2020 16:52:07 +0300

Python 3.x install HTMLTestRunner and use

Author: Wind complains about Jiangnan origin: https://www.cnblogs.com/mengjinxiang The author is original, the article is welcome to reprint, if you like, please comment + attention, thank you for your support!   Foreword: Recently I have been writing Python related technical blogs on other blog Forums - > https://blog.csdn.net/JackMengJin P ...

Added by DarkArchon on Tue, 07 Apr 2020 20:10:34 +0300

js cracking of crawler is very detailed

Preface When we write crawlers, we often encounter a variety of anti climbing measures. For example, more and more js loading on various large websites is a headache. The data of these websites is not directly accessible like a simple website. We often cannot find the data source. Can we only use selenium to simulate browser access? Of course n ...

Added by Cetanu on Mon, 06 Apr 2020 10:44:14 +0300

angularJs -- monitor whether the data of angularJs list has been rendered

When rendering data, the front-end often encounters some operations after the completion of data rendering. In recent days, the front-end has been encountering clicking and selecting operations after the completion of list and table rendering. For angularjs to deal with such problems, the best way is to direct the instruction. First, define th ...

Added by screative on Sun, 05 Apr 2020 10:08:51 +0300

Vue common instructions

Instruction is to drive DOM behavior with data and simplify DOM operation. Common instructions are as follows v-text innertext, cannot parse html tags in text v-html innerhtml, which can parse HTML tags in text v-show controls the display and hiding of elements v-if, v-else-if, v-else meet the conditions to display the corresponding eleme ...

Added by zeodragonzord on Sat, 04 Apr 2020 19:57:10 +0300