Programmer Help

golang provides an out of the box RPC service, which is simple but not simple. RPC introduction Remote Procedure Call (RPC) is a kind of computer communication protocol. It allows programs running on another computer to call subroutines in another address space (generally a computer in an open network), while programmers are just like calling l ...

Protocol resolution is essential in daily network development. Although length-based, delimiter-based codecs are built into Netty, in most scenarios we use custom protocols, so Netty provides MessageToByteEncoder<I> and ByteToMessageDecoder Two abstract classes that encode and decode private protocols by inheriting overrides of their enco ...

abstract ELK log collection system advanced use, this article mainly explains how to build a real and available online environment log collection system. With it, you can say goodbye to go to the server to search for logs! ELK environment installation ELK refers to the log collection system built ...

1, Common encryption methods in Java Base64 encryption algorithm (encoding method) MD5 encryption (message digest algorithm, verifying information integrity) Symmetric encryption algorithm Asymmetric encryption algorithm Digital signature algorithm digital certificate 2, Classification According to w ...

Recommended reading Flutter (2) Android integrates Flutter projects and jumps to the Flutter interface Flutter (1) Installation, deployment and understanding of Dart language Catalog Preface 1. Platform Channel 2. MethodChannel 3. Flutter returns to the previous page Preface In the previous article, you learned about Android's nativ ...

LeetCode297.Serialization and Deserialization of Binary Trees Title Description Solving problems source code LC format Title Description Serialization is the operation of converting a data structure or object into consecutive bits, so that the converted data can be stored in a file or in memory, ...

1. Background Recently, there is an urgent need for a set of distributed locks in the project to solve the concurrency problem of some interfaces, and various data are collected on the Internet. Combined with its own project scenario, it relies on Redis to implement a set of distributed locks, which ...

introduction In recent years, the main work is to develop a remote control function of mobile phones. The part of audio and video transmission is carried out by WebRTC technology, while our mobile phones are managed by the Agent server directly connected to them. The Agent service is written in Java ...

Previous articles“ Observability: using Elastic Stack to analyze geospatial data (1) ”, I detailed how to import data from OpenSky Network API interface to Elasticsearch and analyze the data visually. Maybe it's enough for the right situation, because it can help us extract a lot of usefu ...

2020CVPR -- Deep Unfolding Network for Image Super-Resolution [paper] : Deep Unfolding Network for Image Super-Resolution [github] : https://github.com/cszn/USRNet               Abstract Learning-based single image super-resolution (SISR) methods are continuously showing superior effectiveness and efficiency over traditional mod ...