Using lazy delete and timed delete to realize the local storage cache that can expire

Introduction to localStorage Use localStorage to store data for key value pairs in the browser. sessionStorage is often mentioned together with localStorage, which can store the data of key value pairs in the browser. But the difference between them is: the data stored in localStorage can be kept for a long time; when the page session ends (tha ...

Posted on Sun, 31 May 2020 21:56:24 -0400 by systemtek

ASP.NET How to upload files and handle large file upload in core MVC

Binding interface with file model: IFormFile (small file upload) When you use the IFormFile interface to upload files, be sure to note that IFormFile will read all files in an Http request to the server memory before triggering ASP.NET The Action method in the Controller of the core MVC. In this case, it's OK to upload some small files, but ...

Posted on Sun, 31 May 2020 10:10:23 -0400 by BeastRider

Properties and methods of dom objects -- lebyte java

DOM object < font color = "red" > DOM < / font >: Document Object Model In order to achieve the dynamic interaction effect of the page, bom operation is far from enough, and html operation is the core. How to operate HTMs is dom. Simply put, DOM provides a program to dynamically control the html interface. DOM (document o ...

Posted on Sat, 30 May 2020 18:17:56 -0400 by md_grnahid

Code Kata: four operations of big integer -- javascript implementation of division method

Division can't be calculated by manual algorithm. Its basic idea is to do subtraction repeatedly to see how many divisors can be subtracted from the dividend, and the quotient is how much. Division function: If the former absolute value is less than the latter, it will return to zero directly In subtraction, you don't need to subtract one by o ...

Posted on Fri, 29 May 2020 12:14:22 -0400 by behrk2

jQ effect part -- jQuery Color animation color animation extension

jQuery's animation method supports the transition of various attributes, but it does not support the transition of colors by default. This plug-in is just to supplement this! PS: the plug-in supports RGBA color transition, but please note that the version below IE8 does not support RGBA color. The following properties are supported: c ...

Posted on Fri, 29 May 2020 11:30:37 -0400 by Adam_28

Introduction to zero knowledge proof contract and application development of Ethereum

In this tutorial, we will learn how to develop a zero knowledge identification DApp based on Ethereum, how to develop a zero knowledge circuit of circle, how to generate and verify a solid zero knowledge smart contract, and how to generate zero knowledge evidence under the chain using Javascript, and provide a complete source code download at t ...

Posted on Fri, 29 May 2020 06:04:06 -0400 by Toonster

Introduction to CSS pseudo selector focus-within

Original: Introduction to CSS pseudo selector focus-within In CSS: the focus-within pseudo selector can be a bit "unusual", although its name looks simple and intuitive.But its explanation is to select an element that contains any child elements with: focus.It's a little confused, but it should be understood by careful reading. H ...

Posted on Thu, 28 May 2020 19:54:54 -0400 by jworisek

js converts string to double to avoid the loss of multi bit number and calculation precision.

Tidy up, when we write js code, we often have a headache because of the decimal operation. Because it will produce many bits and loss of calculation accuracy. In Java code, we can transform in the following three ways parseFloat("123.2") parseInt("121"); parseDouble() But we found the methods in JavaScript. We foun ...

Posted on Thu, 28 May 2020 10:39:50 -0400 by Trevors

[recommended] a large number of Blazor learning resources

Introduction What is Blazor? Blazor allows you to build an interactive Web UI using C rather than JavaScript. The Blazor application consists of reusable Web UI components implemented with C, HTML, and CSS. Both client and server code are written in C, allowing you to share code and libraries. This article mainly brings you some great le ...

Posted on Wed, 27 May 2020 00:53:49 -0400 by optimiss

The use of jump address in thmeleaf

Recently, when using thmeleaf, I encountered a problem, such as the address to jump to is localhost:8080/pro/a/b , jump and find out localhost:8080/pro/path/a/b , so there is more path in the address, which is obviously wrong. In fact, it's different to add / or not add / before the jump address. Before the page jump address, add /, which means ...

Posted on Tue, 26 May 2020 10:13:04 -0400 by retoknaak