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Inter bank transfer business is A typical distributed transaction scenario. Assuming that A needs inter-bank transfer to B, the data of two banks are involved. The ACID of transfer cannot be guaranteed through the local transaction of one database, but can only be solved through distributed transactions. Distributed transaction Distributed tr ...

background With the rapid development of business and the increasing complexity of business, microservice, as one of the best solutions, decouples services, reduces complexity and increases maintainability, but also brings some new problems. When we need to ensure data consistency across services, the original database transaction is unable t ...

This paper first introduces the use of the native log Library of Go language, then introduces the very popular open source zap log Library of Uber in detail, and introduces how to cut and archive logs with Lumberjack. Use of Zap log Library in Go language project In many Go language projects, we need a good logger that can provide the ...

preface Begin to learn Chapter 10 structure and method. This is the learning notes of the Go getting started guide. Structure definition type identifier struct { field1 type1 field2 type2 ... } package main import "fmt" type point struct { x float64 y float64 } func main() { var p1 point p1.x = 5 p1.y = 5 fmt.Println(p ...

The running of programs requires memory, such as variable creation, function call, data calculation and so on. So when you need memory, you need to apply for memory and allocate memory. In languages such as C/C + +, the memory is managed by the developers themselves and needs to be actively applied and released, while in Go language, it is mana ...

Ten problems about interface of deep decryption Go language (I) The relationship between Go language and duck type Let's look directly at the definition in Wikipedia: If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck. Translated as: If something looks like a duck, swims like a duck, ...

During development, there will be many conversions between strings and structures. Especially when calling the API, the JSON string returned by the API needs to be converted into a struct structure for easy operation. So how is a JSON string converted to a struct structure? This requires the knowledge of reflection. What is reflection? Like ...

introduction Go comes with more than 100 packages, which can provide the foundation for most applications. Go community is a thriving ecological environment that encourages package design, sharing, reuse and improvement. Many packages that have been released can be found in https://godoc.org Found. The purpose of package management system is ...

preface This paper mainly records: 1. Implementation principle of slice slice. 2. Whether the slice pointer is stored in the heap or stack. 3. Some pits in slicing. 1, Why slices? Because the array in go is of value type, it is of fixed size when used. For example, the length of the array cannot be changed after arr: = [3] int {1,2, ...

Advanced use of embedded C language (the most detailed in the whole network) 1, Macro Macro, in my opinion, is a major feature of C language. On this basis, some special functions can be used. 1.1 variable type parameter macro In some application scenarios, we often need to find the maximum and minimum values similar to the two. We often ...