Programmer Think

The first question is to verify the binary search treeTopic informationProblem solving ideasAll left and right subtrees themselves must also be binary search trees. Obviously, this can be solved recursivelyWe only need to verify that the value of the root node is greater than the value of all left subtrees and less than the value of all right s ...

Concept: The length of the slice is not fixed and data can be added. It is similar to the concept of dynamic array in Java. The reason for the emergence of the slice is also that the operability of the array is not high. Dynamic initialization of array: Array dynamic initialization is to give only the length of the array and the defa ...

Basic part of golang: Go cannot download and install git plug-in because the ip address of go agent cannot be accessed. You can change the following address: Proxy is used by default golang. Org, not accessible at home  go>go get -u github.com/go-sql-driver/mysql  go>go env -w GOPROXY=https://goproxy.cn goweb part: Four link ...

wails2 github: github.com/wailsapp/wails file: wails.io/zh-Hans/docs/reference/op... Environmental requirements Go 1.16 npmIt must be one of Windows, MacOS and Linux operating systemsgcc install # Go 1.17 lower installation go install github.com/wailsapp/wails/cmd/wails@latest # Go 1.16 $ go get -u github.com/wailsapp/wails/cmd/wails Ent ...

Template method design pattern is a behavioral design pattern. This pattern is commonly used to define a template or algorithm model for a specific operation. Take OTP (One Time Password) as an example. There are two common one-time passwords: SMS password (SMS OTP) or email password (Email OTP). However, the processing steps of both SMS passw ...

Using Zap log Library in Go language project The use of the native log Library of Go language, and then introduces the very popular open source zap log Library of Uber in detail. At the same time, it introduces how to cooperate with Lumberjack to realize log cutting and archiving. 1, Using Zap log Library in Go language project introduce In man ...

Singleton pattern is probably the most well-known design pattern. It is also a kind of creative mode. We will use this design pattern when only one instance of a struct is allowed. The only instance of this struct is called a singleton object. Here are some scenarios where you need to create a singleton object: Database instance: generally, in ...

1, Design principle The timer of Go language has experienced many version iterations Before go version 1.9, globally unique quadheap maintenance was usedGo 1.10-1.13 uses 64 Quad heaps globally, and each processor (P) corresponds to one Quad heapAfter Go 1.14, each processor P directly manages a quad heap, which is triggered by the network po ...

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 ...

The article comes from WeChat official account: Go language circle.   1, Producer consumer model Producer consumer model: a module (function, etc.) is responsible for generating data, which is processed by another module (the module here is generalized and can be class, function, collaboration, thread, process, etc.). The module that generates ...