NDK development series one -- image brightness and saturation processing

github code gate: https://github.com/18380438200/NdkUse First, the effect picture: Preview The implementation method of java is as follows: public class JavaFilter { public static final float brightness = 0.2f; //brightness public static final float contrainst = 0.2f; //Contrast, color deepening public static Bitmap getImag ...

Posted by gerrydewar on Tue, 30 Jun 2020 18:28:03 +0200

Learning and using fdbus

1: fdbus address https://github.com/jeremyczhen/fdbus 2: build fdbus (ubuntu environment) cd ~/workspace git clone https://github.com/jeremyczhen/fdbus.git #get fdbus source code cd fdbus;mkdir -p build/install;cd build #create directory for out-of-source build cmake -DCMAKE_INSTALL_PREFIX=install ...

Posted by Scriptor on Tue, 30 Jun 2020 06:48:29 +0200

Sharing meta model of PHP design pattern

The word "Xiang Yuan" has no special meaning in Chinese, so we should divide it into two parts. "Sharing" means sharing, and "Yuan" is elements. In this way, it seems easy to understand that sharing certain elements. Gof class diagram and its explanation GoF definition: u ...

Posted by ludachris on Tue, 30 Jun 2020 04:12:16 +0200

Java business verification tool implementation (sequel)

1, Background In the previous article, I shared my own implementation of Java business verification tool Java business verification tool implementation , in line with the principle of "don't build wheels repeatedly", there are really like-minded friends who have achieved the same functional framework in online search fluent-validator. ...

Posted by freejellyfish on Sun, 28 Jun 2020 06:05:12 +0200

An hour to develop a Demo with Hyperledger Fabric

First understand what it is, then understand how to do it, then understand why As the beginning of the series, this paper tries to make you have a general understanding of fabric through a simple process of fabric application development. preface Put three pictures first:     The first is Gar ...

Posted by nats on Sun, 28 Jun 2020 04:01:28 +0200

The responsibility chain pattern of PHP design pattern

The model of responsibility chain belongs to the design model of object behavior. Gof class diagram and explanation GoF definition: allows multiple objects to process requests, thus avoiding the coupling between the sender and receiver of the request. Link these objects into a chain and pass the reque ...

Posted by asa_carter on Sun, 28 Jun 2020 03:57:15 +0200

cron of Go daily

brief introduction cron A library for managing timing tasks, using Go to achieve the effect of crontab command in Linux. We introduced a similar Go library before—— gron . gron code is small, which is better for learning. But its function is relatively simple, and it is no longer maintained. If there is a need for timed tasks, cron ...

Posted by vchris on Sat, 27 Jun 2020 09:10:13 +0200

docker distributed warehouse harbor

Article catalog docker distributed warehouse harbor 1. Official introduction to harbor function 2. Install Harbor 2.1 solving dependent environment 1. Install docker 2. Install docker compose 2.2 and configure harbor startup 2.3. Harbor later modification configuration 3. Use harbor and upload i ...

Posted by schilly on Sat, 27 Jun 2020 08:24:42 +0200

Pandas of Python data analysis: time series

CSDN Course recommendation: towards data scientist: take you to play Python data analysis, lecturer Qi Wei, CTO of Suzhou Yantu Education Technology Co., Ltd., member of the master's Steering Committee of applied statistics major of Suzhou University; published "learn python with the old: easy introduction", "learn python wit ...

Posted by thegman on Sat, 27 Jun 2020 06:52:12 +0200

[SpringCloud Learning Notes 6] Getting Started and Using Config

Getting started with Config and using it 1. Introduction and Introduction to Config SpringCloud Config provides centralized external configuration support for microservices in the microservice architecture, and Configuration Server provides a centralized external configuration for all environments o ...

Posted by Cobby on Sat, 27 Jun 2020 02:42:32 +0200