Programmer Group

1. Implement the annotation classes that skip authentication (PassToken) and require authentication (UserLoginToken) @Target({ElementType.METHOD, ElementType.TYPE}) @Retention(RetentionPolicy.RUNTIME) public @interface PassToken { boolean required() default true; } @Target({ElementType.METHOD ...

Get through the network source code series seven worker group registration NioSocketChannel worker group registration NioSocketChannel Read message doReadBytes writeBytes setBytes internalNioBuffer _internalNioBuffer allocHandle.lastBytesRead(doReadBytes(byteBuf)) pipeline.fireChannelRead(byte ...

Density classification network Population density estimation based on MSCNN: Overview and generation of population density map Data set making and data generator Density classification network Training and prediction of MSCNN Classification target The purpose of density classification network is ...

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 ...

Write at the front For various reasons, Xi mentioned the longest winter vacation in history. I have nothing to do at home. At the same time, because the project needs to use Python related content (in fact, it's keras, there's no ready-made code, so I'm going to start learning python. This series is n ...

Turtlebot2-kinetics environment configuration Operational steps for environment configuration Installation preparation Create three workspaces, rocon, kobuki, turtlebot, download and compile the source code Create a rocon directory, download and compile it, and rocon has a corresponding kinetic s v ...

The project of generating DataMatrix based on qt and libdmtx, DataMatrix open source coding and identification Library: github of libdmtx: https://github.com/dmtx/libdmtx； The complete project I wrote in qt is: https://github.com/abcvincent/dmtxMaker； GitHub - > doc contains DataMatrix intern ...

std::async in C++11 is a template function. std::async calls the function asynchronously. At some time, it calls Fn with Args as a parameter (variable length parameter). It can return without waiting for Fn to complete execution. The returned result is an std::future object. The value returned by Fn ...

brief introduction Fresco is Facebook's latest powerful image library for displaying pictures in Android applications, which can load pictures from network, local storage and local resources. Compared with image loader, it has many advantages, such as faster image download speed and can load and displ ...