Programmer Group

1. Configuration related 1.1 AbstractChannelSecurityConfig Abstract class encapsulating authentication logic for Http pages ApplyPasswordAuthentication Config sets the default form login authorization authentication route for HttpSecurity, and imoocAuthentication SuccessHandler, imoocAuthentication ...

1, Scenario introduction JRBM has a demand for detecting the online situation of team Websocket: The existing concurrenthashmap < teamid, jrbmsession > map, jrbmsession includes session and lastlivetime. The front end sends heartbeat to the service end through ws connection every 3s. After re ...

Experimental environment planning Summary Use VMwork virtual machine to deploy small cluster with single master and double nodes, and install etcd on both master and node to implement etcd cluster. Software adopted version Software name Edition Linux system Linux version 4.8.5 Kubernetes 1.9 Docker Docker version 19.03.5 Etcd v3.3. ...

(1) : you must first open related services on alicloud OSS. For details, please refer to this link: https://help.aliyun.com/document_detail/31883.html?spm=5176.10695662.1996646101.searchclickresult.5ceb3ee82NzMq7&aly_as=WhUj5kPK Or for video address, please refer to this link: http://cloud.video.tao ...

Origin of note learning: Top 100 projects of Duyi education Web front end Interaction: do an operation on the page, etc., and then it returns a feedback Binding events Note: an event can only be bound to one processing function, which is basically equivalent to being written in html between lines Namely ...

Article directory 1. Understand multitask programming 2. Multi process programming 2.1 understanding process 2.2 create subprocess 2.2.1 method 1: fork creates a subprocess 2.2.2 method 2: Process creates a subprocess 2.2.3 method 3: Pool creates a subprocess 2.3 interprocess communication 3. Mul ...

Implement a simple blockchain with JavaScript development. Through this development process, you will understand what blockchain technology is: blockchain is a distributed database, and the storage structure is a growing linked list, which contains many orderly records. However, in general, when we talk about blockchain, we also talk about ...

What language does blockchain development use? Through this article, you will use go language to develop your own blockchain (or build blockchain with go language), understand how hash function keeps the integrity of blockchain, master how to create and add new blocks with go language programming, realize multiple nodes to generate blocks th ...

Can I use json.net to deserialize dynamic objects from json? I want to do something like this: dynamic jsonResponse = JsonConvert.Deserialize(json); Console.WriteLine(jsonResponse.message); #1 building Starting with Json.NET 4.0 Release 1, native dynamic support is provided: [Test] public void DynamicDeserialization() { dynamic j ...

1. Preface Seckill is essentially a short-term, sudden and high concurrent access problem. Its business features are as follows: Triggered by timing, the flow suddenly increases in an instant Only some of the requests for seckill are successful Seckill products are often limited in quantity, not over ...