Introduction to D3js: making histogram

D3js official website: https://d3js.org/ Recently, I was studying D3js. I simply summarized some documents to summarize my learning experience in the past week. The official website of D3js is all in English. Compared with the detailed documents on the official website of Echarts, students with poor ...

Posted on Tue, 14 Jan 2020 23:46:45 -0800 by ojav

List Rendering for Learning Vue Together

In the development of Vue, list data binding is very simple and easy to use. In this paper, through some simple small examples, the use of v-for is described, which is only for learning to share. If there are any deficiencies, please also correct them. Correspond an array to a set of elements using v-for We can use the v-for directive to render ...

Posted on Tue, 14 Jan 2020 08:22:39 -0800 by robbyc

How do I get the current date / time in the appropriate format on the Windows command line to use in the file / folder name?

Update: it's 2016, and unless there's a really compelling reason for backward compatibility, I'll use PowerShell, especially because of the locale issues with date. See @ npocmaka's https://stackoverflow.com/a/19799236/8479 What is a Windows command line statement that I can use to get the current date and time in a format that can be put ...

Posted on Tue, 14 Jan 2020 02:42:32 -0800 by chris9902

Background data of echarts map and its introduction

1. Refer to the official introduction for the introduction method Because of the improvement of map accuracy in echart 3, no more built-in map data increases the code volume. You can download the required map file in the map download interface and import it into echart. Two formats of map data are pro ...

Posted on Mon, 13 Jan 2020 18:24:19 -0800 by Stevis2002

The first way to learn TypeScript: installation, basic type, variable declaration, operator and conditional statement

1: Install TypeScript There are two main ways to get TypeScript tools: Through npm (Node.js package manager) Install TypeScript plug-in for Visual Studio For users using npm: > npm install -g typescript For Visual Studio users 1, Download Visual Studio Code. 2: click the code file edite ...

Posted on Mon, 13 Jan 2020 02:46:11 -0800 by musicdirector

The difference between Python iteratable object, iterator and generator

This article briefly discusses the relationship between iteratable objects, iterators, and generators. Brief relationship among the three Iteratable objects and iterators At first, I thought that the two were the same, but ...

Posted on Sat, 11 Jan 2020 21:47:06 -0800 by peeps

Douyu expansion - remove ad optimization page (5)

The code can be https://pan.baidu.com/s/1uN120-18hvAzELpJCQfbXA Download   Next, remove the advertising elements. In the JS directory, create a removeAds.js to remove the advertising elements in the web page Modify manifest.json 1 "content_scripts":[{ 2 "js": [ 3 "js/BaseJs/jquery.min.js", 4 "js/BaseJs/RoomO ...

Posted on Thu, 09 Jan 2020 11:58:25 -0800 by JohnResig

The way of Asp.Net Mvc to upload files asynchronously

Today, I tried the Ajax provided by mvc, and found that the backend action could not receive the file when uploading the file, neither Request.Files nor HttpPostedFileBase could receive the file..... Later, I found that the Ajax provided by mvc does not support file upload, but I can only use other methods The first way: through jQuery's ajaxSu ...

Posted on Wed, 08 Jan 2020 09:23:32 -0800 by loftystew

Loop of different data in vue, the array object in it

Description with product attribute data The display effect in the page is: to display the product attributes on the page, the product attributes are the attributes of the product uploaded independently in the background. The product attributes are different, so the attributes and attribute values need to be displayed on the page       Product ...

Posted on Tue, 07 Jan 2020 08:05:11 -0800 by sd9sd

How to encapsulate many parameters into objects in the foreground and send them to the background for analysis

When there are too many incoming background parameters and these parameters belong to a certain class, these parameters can be encapsulated into an object to form an object array. In this way, the parameters of the object itself can be mapped one by one, and the encapsulated object array can be assigned to a parameter. Through ...

Posted on Tue, 07 Jan 2020 00:19:22 -0800 by blintas