Programmer Group

preface  we introduced the data generation methods through three articles, mainly including Installation of matplotlib,Application of random walk as well as Use pygal to simulate rolling dice . Next, this paper introduces the data - download data. As we all know, in data analysis and data visualization, data is the most fundamental. Analy ...

Links to the full series of "java version gRPC actual combat"Generate code with protoService publishing and invocationServer streamClient streamBidirectional flowThe client dynamically obtains the server addressRegistration discovery based on eurekaAbout eurekaWhen we develop the client application, the required server address is set ...

Code in Open source warehouse 3 xxxhttps://github.com/3xxx/engineercmshttps://github.com/3xxx/engineercmsThe general idea is to install es and tika services with docker, upload word and other documents in cms, parse them with tika, get plain text, and submit them to es for storage. Front end retrieval, query in ES, return the highlighted text a ...

After working for many years, I found that there are many tool class libraries that can greatly simplify the amount of code and improve development efficiency, but junior developers don't know. These class libraries have long become the industry standard class libraries, and they are also used in large companies. If someone told me to use these ...

HMR hot module replacement / module hot replacement Function: when a module changes, it will only update the module (not package all) to improve the speed Style file: you can use the HRM function because the style loader is implemented internally js file: no HRM by default html file: there is no HRM by defau lt, and the html file cannot be ...

day04_Flink advanced APIToday's goalFlink's four cornerstonesFlink Window operationFlink Time - TimeFlink Watermark watermark mechanismState management of Flink - keyed state and operator stateFlink's four cornerstonesCheckpoint - checkpoint, distributed consistency, data loss resolution, fault recovery, data storage is the global state, persis ...