Programmer Think

1, Ashmem C language interface You can usually use ashmem in the libcutils library_ create_ The region function creates a shared memory area: #define ASHMEM_DEVICE "/dev/ashmem" /* * ashmem_create_region - creates a new ashmem region and returns the file * descriptor, or <0 on error * * `name' is an optional label to give the region (vi ...

Spring Boot JPA preface The full name of JPA is Java Persistence API, that is, Java Persistence API. It is a set of ORM based specifications launched by SUN company. It is internally composed of a series of interfaces and abstract classes. JPA describes the mapping relationship between object and relational table through JDK 5.0 annotation, a ...

catalogue brief introduction lombok pom dependency use principle Advantages and disadvantages brief introduction @The main function of the Data annotation is to improve the simplicity of the code. Using this annotation can save a large number of methods in the code, such as get(), set(), toString(). lombok pom dependency If you want ...

preface We will show you a go zero micro service example in detail through a series of articles. The whole series is divided into ten articles, and the directory structure is as follows: Environment constructionService splittingUser servicesProduct serviceOrder servicePayment servicesRPC service Auth authenticationService monitoring (this art ...

preface We will show you a go zero micro service example in detail through a series of articles. The whole series is divided into ten articles, and the directory structure is as follows: Environment constructionService splittingUser servicesProduct serviceOrder servicePayment services (this article)RPC service Auth authenticationService monit ...

preface We will show you a go zero micro service example in detail through a series of articles. The whole series is divided into ten articles, and the directory structure is as follows: Environment constructionService splittingUser servicesProducts and services (this article)Order servicePayment servicesRPC service Auth authenticationService ...

LeoECS - simple lightweight C# entity component system framework Performance, zero / small memory allocation / footprint, the main goal of this project - independent of any game engine. **Important** It is a "structure based" version, if you search for a "class based" version - check Class based branching! This fr ...

At the beginning of this article, we will publish a series of articles to show you a go zero micro service example in detail. The whole series is divided into ten articles, and the directory structure is as follows: Environment construction (this paper)Service splittingUser servicesProduct serviceOrder servicePayment servicesRPC service Auth a ...

summary The publish subscribe mode is used to decouple different architecture levels, and can also be used to isolate the interaction between businesses advantage: loose couplingcrosscutting concern Testabilityevent driven Publish subscribe mode The publisher sends the message to the subscriber through the dispatching center. The dispat ...

Introduction to MongoDB (article reprinted from Le byte) Mongo does not mean Mango, but comes from the word Humongous. MongoDB is a NoSQL database based on distributed file storage. Written in C + +. It aims to provide scalable high-performance data storage solutions for WEB applications. About what is NoSQL, you can read what is NoSQL aft ...