Programmer Think

My understanding of casbin This paper takes the iris framework as an example, and the native or other framework is basically the same. according to Official Documents First of all, introduce several important parts.(Installation method skip) There are two places to configure using casbin, one is the model and the other is the policy RBAC (Role- ...

Preface This article will introduce our form solution. @femessage/el-form-renderer Show us how we deal with the following issues under the Vue technology stack: Dynamic display or hiding of form items Form Data Linkage Format Input/Output Data Formatting Processing of Unconventional Form Items Complex form validation programme Dynamic Display ...

Webpack is a front-end project building tool. With the development of front-end ecology, webpack has become one of the necessary skills for front-end developers. When many developers start using react and vue, they will use the default single page should create instructions to create an engineering project. In fact, these engineers The projects ...

Articles Catalogue Drawing pictures UIImage class Drawing method Use Watermarking Use Classification.h Classification.m Use classification Code 1: Cut out circular pictures Clipping by drawing Other methods Screen capture Use Crash problem of error-reporting permission to save pictures: Code ...

Author: Chen Dayutou github: KRISACHAN If you don't want your career to end prematurely, continuous learning is essential for developers. Recently, the author of "The Way to Front-end Interview" has set up a learning warehouse to allow some people to record what they have learned in this area. The warehouse address is as follows: ...

Coding class MessageToByteEncoder   This time, we use ObjectEncoder as an example. When we need to write messages to the network channel, we need to encode the messages to determine whether the message type meets the requirements. Generally, we use type matching to configure the message in the gene ...

This paper mainly introduces the traffic gray level of Knative Serving, and demonstrates how to create different Revisions and how to scale the traffic gray level among different Revisions through a rest-api example. Deploy rest-api v1 Code Before testing, we need to write a rest-api code and be able to distinguish between different version ...

Write in front File operations in node are quite frequent, and there are many APIs that provide various operations on files and folders. The following is a case study of common APIs to understand their specific usage. A read file fs.readFile(), fs.readFileSync() fs file operation basically includes two ways of synchronization and asynchrony, wh ...

brief introduction MQ is a common middleware in development. This article describes how to configure multi-source RabbitMQ in a Spring Book project. There are not many knowledge points about RabbitMQ here. If you also have a need to send messages to multiple RabbitMQ, I hope this article can help you. Environmental Science rabbitmq 3.7.12 spri ...

https://www.cnblogs.com/sumingk/articles/9097996.html The last article introduced the construction of get node of private chain in Yitaifang. This article introduced the construction of enterprise application alliance chain, using parity wallet as service node to realize multi-node construction of alliance chain. I. parity consensus POA St ...