Programmer Group

Preface: Before, I shared the solution of using Retrofit to refresh token invalidation in Android. Now the Flutter project also has the requirement of "token verification is overdue". So I will briefly summarize how to implement the interceptor function of automatically refreshing token and resending request in the Flutter project, h ...

Based on ElasticSearch multi instance architecture, realize reasonable resource allocation and separation of hot and cold data Author: "the wolf of hair", welcome to reprint and contribute Catalog Application Framework ▪ 192.168.1.51 elastic search data deployment dual instance ▪ 192.168.1.52 elastic search data deployment dual inst ...

To implement JWT certification with php, let's first understand what JWT is.What is JWTJWT(json web token) is an open JSON-based standard implemented to pass declarations between network applications.JWT's declarations are typically used to transfer authenticated user identity information between identity providers and service providers in orde ...

Server configuration: Operating system: ubuntu 16.04 CPU: 4U Memory: 16G ා generally speaking, 4G is enough, but if you want to check the history, you need to load the complete transaction index table tindex, which results in 8G + memory Hard disk: 500G bitcoin has been running since 2008, with a large amount of data accumulated, and ...

Next, I use Python to shut Down the Down hosts in Zabbix through py Zabbix API. The basic idea is 1. Obtain the IP of the previous group 2. Verify whether the host is Down through telnet 3. Shut down the host Warning: the python script relies heavily on telnet connectivity results. If the network is unstable, the results will be directly affe ...

The front-end deployment is actually a part of front-end engineering. This blog is my attempt to summarize the front-end deployment based on my practical work experience and amateur exploration. On the one hand, I have some records, on the other hand, I can give you some inspiration. Deploy to qiniu cloud Deploy to Alibaba cloud OSS and Tence ...

Writing a k8s operator defaultvm in kubebuilder mainly strings up the creation of ovn network and virtual machine to provide default available virtual machine for users. Kubebuilder is a framework for building the Kubernetes API based on CRD, which can be used to build APIs, Controller s, and Admission Webhook s. The code calls virtualmachine d ...

os.getcwd() Return the absolute path to the current working directory Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32 Type "copyright", "credits" or "license()" for more information. >>> import os >>> print(os.getcwd()) C:\Users\28914\AppData\Local\Programs\Python\Python37 os.chdir( ...

In JSP, the method to get the IP address of the client is: request.getRemoteAddr(), which is effective in most cases. However, after passing Apache, Squid, nginx and other reverse proxy software, the real IP address of the client cannot be obtained. After the proxy, because the middle layer is added between the client and the s ...

I. Introduction to Elastic Stack ElasticStack currently consists of four parts: Elastic search: core storage and retrieval engine Kibana: Data Visualization Logstash: high throughput data processing engine Beats: collect data ElasticSearch: Based on Java, it is an open-source distributed search engine, featuring: distributed, zero ...