Vue.js framework handle tutorial

Vue 1, Introduction Vue.js (read /vju ː/, Similar to view), it is a set of progressive framework for building "user interface". Vue only focuses on layers and adopts the design of bottom-up incremental development. Vue is a view component that implements data binding and composition of responses through the simplest possible A ...

Posted by MikeL on Wed, 03 Aug 2022 22:14:25 +0300

MySQL - slow query log analysis

Article catalogue MySQL - slow query log analysis 1. Start and set slow query log2. Data preparation3. Slow query log analysis tool: mysqldumpslow4. Delete slow query log5,show profile MySQL - slow query log analysis MySQL's slow query log is a kind of log record provided by mysql. It is used to record the statements whose response ...

Posted by razvypp on Tue, 02 Aug 2022 21:39:47 +0300

Echarts dynamically generates charts, switches chart types, and displays long data areas

Don't say much, let's start with the renderings! The frame rate is adjusted a little high, and the picture jumps as if it were reincarnated 😂😂, Please forgive me If I happen to achieve something you need, please go inside - > First of all, the whole content starts with the chart creation instance after the introduction of E ...

Posted by disconne on Tue, 02 Aug 2022 21:35:34 +0300

LRU and LFU algorithm (page replacement algorithm)

Differences between LRU and LFU Both LRU and LFU are page replacement algorithms for memory management. LRU: Least Recently Used (longest time) elimination algorithm. LRU is the page that has not been used for the longest time. LFU: Least Frequently Used. LFU is the least used page in a period of time. example Assume that th ...

Posted by latinofever on Mon, 01 Aug 2022 21:07:12 +0300

SpringBoot integration springcloud Alibaba Seata details

SpringCloud Alibab-Seata Introduction: Seata is an open source distributed transaction solution, which is committed to providing high-performance and easy-to-use distributed transaction services under the microservice architecture. Seata will provide users with AT, TCC, SAGA and XA transaction modes to create a one-stop distributed soluti ...

Posted by kporter.porter on Sun, 31 Jul 2022 21:07:19 +0300

Quickly master MyBatis framework

Article catalogue 1, Foreword 1.1 database and table1.2 entity class1.3 MyBatisX plug-in1.4 SQL log view configuration 2, Multi table query 2.1 one to one2.2 one to many 3, Dynamic SQL usage 3.1 < if > label3.2 < trim > label3.3 < where > label3.4 < set > label3.5 < foreach > label 1, Forewor ...

Posted by mithras on Sat, 30 Jul 2022 21:38:10 +0300

Springboot Alipay sandbox payment - complete and detailed steps

1. Enter Alipay development platform sandbox environment Sandbox environment - Alipay Document Center 1.1. Enter personal sandbox environment Click to enter the sandbox environment and log in with Alipay Sandbox management interface is shown in the figure appid, Alipay gateway, custom key, etc Here is the account number and password of ...

Posted by Mike-2003 on Sat, 30 Jul 2022 21:14:49 +0300

Basic syntax of MySQL DDL and DML and DQL

preface SQL statement, namely structured query language, is a programming language for special purposes. It is a database query and programming language, which is used to access data, query, update and manage relational database systems. It is also an extension of database files. The SQL statements specified in the SQL standard are divided in ...

Posted by Noctagon on Sat, 30 Jul 2022 09:58:45 +0300

Building a Node.js Enterprise Web Server from Scratch: Middleware

About middleware In a broad sense, middleware refers to software that can provide functions for applications other than the operating system, ranging from various services of cloud computing vendors to detection modules in a certain field. Express middleware refers specifically to software modules that provide functions based on the Express mi ...

Posted by bbreslauer on Fri, 01 Jul 2022 21:34:39 +0300

Start at the entrance

Start at the entrance We mentioned Vue before JS construction process. Under the web application, let's analyze the Vue built by Runtime + Compiler JS, whose entry is Src / platforms / Web / entry runtime with compiler js: /* @flow */ import config from 'core/config' import { warn, cached } from 'core/util/index' import { mark, measure } from ...

Posted by swathin2 on Wed, 25 May 2022 20:51:42 +0300