Comparison of different types of Golang
In the daily development process, we will inevitably encounter the comparison and operation of various types of variables. Here we have made some simple summaries, hoping to help students in the development.
Here we start with the last wave of relational operators==,!=,<,<=,> and>=.
float floating point comparison
Goang supports two ...
Posted by BMorganVA on Wed, 31 Jul 2019 05:10:04 +0200
Go Language for an article (typesetting)
Introduction:
Google language is the most popular programming language in recent years. It is a static, compiled, concurrent programming language developed by Google with garbage collection function. GoLanguage has two characteristics: high development efficiency and high execution efficiency. It is known as C language in the era of cloud compu ...
Posted by Nabster on Mon, 29 Jul 2019 07:08:26 +0200
Basic usage of casbin access control framework in GO
My understanding of casbin
This paper takes the iris framework as an example, and the native or other framework is basically the same.
according to Official Documents First of all, introduce several important parts.(Installation method skip)
There are two places to configure using casbin, one is the model and the other is the policy
RBAC (Role- ...
Posted by Pigmaster on Sat, 27 Jul 2019 05:11:25 +0200
(16) Our form solution el-form-renderer
Preface
This article will introduce our form solution. @femessage/el-form-renderer Show us how we deal with the following issues under the Vue technology stack:
Dynamic display or hiding of form items
Form Data Linkage
Format Input/Output Data Formatting
Processing of Unconventional Form Items
Complex form validation
programme
Dynamic Display ...
Posted by paul088 on Fri, 26 Jul 2019 10:57:02 +0200
Go Micro Server Source Code Analysis
Summary
In the Go Micro framework, Server is an encapsulation of services such as Broker, Register, Codec, Transort, as you can see in the figure below.Look again at the interface defined by Server
Init: Initialization
Handler: Register rpchandler
NewHandler: Encapsulated rpchandler
NewSubscriber: Encapsulating Subscriber to Subscribe Method
S ...
Posted by Hexxx on Sun, 21 Jul 2019 16:07:51 +0200
What is the execution of defer in golang?
In the same goroutine:
What is the call stack principle for multiple defer s?How is the defer function called?
To explore the mystery, I've prepared the following code:
package main
import "fmt"
func main() {
xx()
}
func xx() {
defer aaa(100, "hello aaa")
defer bbb("hello bbb")
return
}
func aaa(x int, arg string) {
fmt.Pr ...
Posted by Frozenlight777 on Thu, 18 Jul 2019 21:19:43 +0200
Implementation of a protocol pool in fasthttp
Implementation of a protocol pool in fasthttp
The protocol pool can control parallelism and reuse the protocol.An important reason why fasthttp is many times more efficient than net/http is the use of a coprocess pool.The implementation is not complicated, we can refer to his design to write high-performance applications.
Entrance
// server.go
...
Posted by simonj on Sun, 07 Jul 2019 18:39:57 +0200
Golang Learning Path 7: Object-Oriented Method
Golang Learning: Object-Oriented Method
Definition of Method
Struct is more flexible than function. It encapsulates properties and operations. The former is the field in the structure type, while the latter is the method owned by the structure type.
The parenthesis between the key word func and the name Grow and its contents are the recipie ...
Posted by Jewbilee on Tue, 02 Jul 2019 23:58:08 +0200
Interface of go language defragmentation
Interface
interface defines the behavior specification of an object, only defines the specification but not implements it. Specific objects are used to implement the details of the specification.
Interface type
In Go language, interface is a kind of type and an abstract type.Interface is a set of methods, which is an embodiment of duck-type pr ...
Posted by Rohlan on Wed, 26 Jun 2019 21:08:45 +0200
Go Language Learning Notes (3) Array & Slice & map
Add Golang Learning QQ Group to Learn Progress, Start a Family and Start a Business Job ^-^ Group Number: 96933959
Arrays
Arrays are fixed-length sequences of the same data type.
The array is a value type, so changing the value of the copy does not change its own value.
When an incoming reference is introduced as a method, an array is copie ...
Posted by calabiyau on Wed, 12 Jun 2019 19:21:10 +0200