Go

Chan used for communication between Goroutine 1, the base has a buffer channel and no buffer channel No buffer channel: make (chan int)Buffer channel: Make (chan int, 5) No buffer channel will cause goroutine synchronization of send and

Ethereum is the mainstream application of the 2.0 block chain, which extends the block chain from the electronic money (digital cash) as a distributed database, and becomes the foundation support in the consensus system. Ethereum introduces the

The go language is a door-strong type language and therefore causes a lot of problems, interface{} any type cannot be arbitrarily converted to another type To make type conversions, you need to make a type assertion Sample code: Convert

Turn from: 7661024Extended Properties (XATTRS) provides a mechanism for permanently associating a key/value pair to a file, allowing existing file systems to support functionality not provided in the original design. Extended properties are file

Use GOPC egg to build a dragon, need to search dsluntan.com, language write snake game then will use the object-oriented thinking to write, create a snake body object, and then write out,/go language writing when we need to call a C language to

Blockchain is a complex and complex discipline that combines cryptography, consensus algorithms, intelligent contracts, and super-ledgers. Yun Jong said that the quality of the teachers in the blockchain training institutions and their perceived

Tip1 Get the ID of the most recently run container this is an operation that we will often use, according to the official example, you can do this (environment Ubuntu): This is useful when scripting, such as when you want to get IDs in bulk in a

Golang linked List Brief introduction The Golang itself implements a doubly linked list Import import "container/list" Defined List elements Type element func (e *element) Next () *element func (e *element) Prev () *element//linked list Type----New (

Cluster mode The Nats cluster mode is not transparent to the client.So the cluster has an impact on both the publisher and the Subscriber.Both the Publisher and the Subscriber know that a clustered service is connected, not a single point of

In the first quarter of 2018, the demand for blockchain-related talent had reached 9.7 times times the same period in 2017, with a 4.6 times-fold increase in the number of companies publishing blockchain-related posts. Brother Lian Education go all-

Request Response Mode Neither the Nats nor the queue mode guarantees that the message must be sent to the Subscriber unless the Subscriber sends a response to the publisher.So the subscriber sends a receipt to the publisher, which is the

Golang's knowledge about nil 1. What is nil? As we all know, when you declare a variable but still have the value of the wood, the Golang will automatically give you a corresponding default value of 0 for the variable type. This is the corresponding

With the "Subversion storm" caused by the blockchain, a large number of blockchain training institutions emerged. But in a mixed-up training circle, it is bucket to find a truly standard course system and a dedicated professional lecturer in the

> Editor's note > ###### * Hello everyone, I am it, I opened a column on the Geek Time "[Go language core 36 speak] (https://time.geekbang.org/column/intro/112?utm_source=

1-Slice initialization 1Func Printslice (S []int) {2Fmt. Printf ("len=%d cap=%d underlying array:%p,%v\n", Len (s), Cap (s), S, s)3 }4 5 func sliceinit () {6 7 varS1 []int//declares S1, and does not initialize, at this time S1 is nil slice, no

Xdag First developer Meetup was held in Beijing on August 11, 2018. Meetup first introduced the Community enthusiasts and developers self-introduction, then the Community enthusiasts to share the "use Python to achieve the GPU miner mining logic",

My son and I did a very interesting thing last weekend, we developed a command-line game written with Go, and recently I was rewriting a game that I had developed in the youth, when I used the Kaypro II! []

First, installation instructions Https://studygolang.com/dl Second, environment variables Download the *.msi installation file, and some environment variables are configured by default. Other configurations are described below Iii. directory

Tuning of JVM Optimizations large Memory paging (largepage) This article will be from the principle of memory paging, how to adjust the paging size two sections, to explain to you how largepage to the performance of the JVM, and at the end of the

DEP Golang Package Management usage Records DEP is one of the Golang project dependency management, is an official experimental project, the current update is very frequent in the high-speed development period, so the choice of DEP as a Golang