learn golang hard way

possible to process multiple channels in a goroutine. It is impossible for us to block the two channels. In this case, we should select the field. Similar to the SELECT statement in C language that can monitor multiple FD, select statements in go language can wait for multiple channels. C1: = make (Chan string) C2: = make (Chan string) Go func (){ Time. Sleep (time. Second * 1) C1 }() Go func (){ Time. Sleep (time. Second * 2) C2 }() For I: = 0; I Select { Case msg1: = FM

([] INT) returns a pointer to the newly allocated, zero-placed slice struct, that is, the pointer to the nil-valued slice. VaR p * [] Int = new ([] INT) // allocates slice structure; * P = nil; rarely useful VaR V [] Int = make ([] int, 100) // The Slice V now refers to a new array of 100 ints // Unnecessarily complex VaR p * [] Int = new ([] INT) * P = make ([] int, 100,100) // Idiomatic: a habit V: = make ([] int, 100) Remember that make is only used for map, slice, and channel,

most computer stores will be for a variety of reasons to persuade you to change the new hard drive. Or you can choose to repair, but the price is certainly not cheap, at least 100 +, the conscience of the boss, will charge you a cheaper point. In fact, I would like to tell you that your hard drive, you may not be able to do it, even if the physical bad, you can also let the

, C-learning "thorough"Junior: Hey Yo! Started to learn Java again. I do not know who is the author of the course, really think of us as "talent"---complex talent, decathlon. This year's two training is to do the animation; I did not find someone to team up, a person to complete the animation production. Really really very hard to do, but also learned a lot of things. are going to start looking for a compan

Why are you always hard to learn about Linux? This is my answer. Why should we learn about Linux? Linux has developed rapidly in recent years, especially in the server field. It has brought many new technologies, such as cloud computing, virtualization, and big data, there have also been great security development, but it has also brought more requirements and c

. It is the first Linux system I know, and the interface is also quite beautiful. Besides, all three disks are engraved, however, Hard Drive cannot be found for a day, and it cannot be emotional. Then I went to learn about the various releases of Linux. I was surprised to know what kind of Fedora Core was. I just changed my name to a red hat. That's right. I just installed it. Plug in a section. I also inst

What Seo is hard to learn Nov 22 nd, 2007 Seo is both studious and hard to learn. It is easy to learn because you can learn 95% of the content online, as long as you are willing to spend time. This time is not as long as I ha

This is a technical tutorial, sincerely will use very simple words to express their meaning, as long as you can read and understand, you can learn knowledge. The purpose of this tutorial is to let every friend who has read these words remember a word: if love can make things easier, then let it be easy! The way to see this tutorial is slow! Slowly, as a product of a woman, a cup of tea, you will find many b

Disk media in the storage area is the most critical device, and all data and information is stored on disk media. The reading speed of the data is determined by the connection interface of the disk media. We used to do data storage through SCSI or SATA interfaces and hard drives. But in recent years a new technology has increasingly been favored by small and medium-sized enterprises and even large enterprises. Is the SAS technology and its correspondi

The legendary WCF (1): Is this hard to learn?The legendary WCF (2): What about service agreements?Legendary WCF (3): multiple protocolsLegendary WCF (4): send and receive SOAP HeadersLegendary WCF (5): data protocols ()Legendary WCF (6): data protocols (B)Legendary WCF (7): "one-way" "two-way"Legendary WCF (8): Play w

1 What does learning vimscript do?A) can help us to use vim to write programs more quickly.b) can help us understand the meaning of some of the configuration in ~/.VIMRC and why it needs to be configured like this.c) After learning, you can write some vim plug-ins yourself to improve your reading and writing code speed and efficiency.What is 2 Vimscript?Vimscript is a script programming language. Mainly used in Vim. It has its own way of defining vari

How hard it is to use and learn PHP PHPis not a sophisticated technology, but at the same time, you do not expect to be able to5become an expert within minutes. For beginners, the biggest non-adaptation may bePHPis more tolerant than the browserHTMLa much lower degree of fault tolerance. In theHTMLIf an end tag is omitted, most browsers will still display the page. In thePHP, If you omit an end Quote, se

module is not obvious, not reflected in the GIF.650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/72/85/wKiom1XlW4HiCrmQAAKA0gi_VpY079.gif "title=" 2015083001q.gif "alt=" Wkiom1xlw4hicrmqaaka0gi_vpy079.gif "/>Special Effect Source: http://www.itlanbao.com/code/20150831/10000/100490.htmlMore android Effects free download Source address: http://www.itlanbao.com/This article from the "Blue Leopard Sharing" blog, reproduced please contact the author!Android developers must

I have been reading a UML book recently. I feel like I have finished reading it. After reading it, I know that modeling is required first.ProgramIt turns out that those programs are only in the stage of tufang, and the days to learn will be long, and their English is not very good. Every time I make up my mind to learn English well, I still cannot stick to it. I am a sophomore, always sitting in front of a

only way to learn is to pull yourself out of your comfort zone. "In addition, at all skill levels, make sure that the JavaScript category has a large list of tutorials on nettuts+." (Nettuts is a Web site dedicated to providing tutorials on web development.) ) Task 7: Start learning how to use the JavaScript library If you learn this, you'll realize that