With this video we start a new tutorial series on Go programming. Today we talk about why you should learn Go and what its strengths are.
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SQL stands for Structured Query Language. SQL is a scripting language expected to store, control, and inquiry information put away in social databases. The main manifestation of SQL showed up in 1974, when a gathering in IBM built up the principal model of a social database. The primary business social database was discharged by Relational Software later turning out to be Oracle.
Models for SQL exist. In any case, the SQL that can be utilized on every last one of the major RDBMS today is in various flavors. This is because of two reasons:
1. The SQL order standard is genuinely intricate, and it isn’t handy to actualize the whole standard.
2. Every database seller needs an approach to separate its item from others.
Right now, contrasts are noted where fitting.
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Go announced Go 1.15 version on 11 Aug 2020. Highlighted updates and features include Substantial improvements to the Go linker, Improved allocation for small objects at high core counts, X.509 CommonName deprecation, GOPROXY supports skipping proxies that return errors, New embedded tzdata package, Several Core Library improvements and more.
As Go promise for maintaining backward compatibility. After upgrading to the latest Go 1.15 version, almost all existing Golang applications or programs continue to compile and run as older Golang version.
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httppackage to create and initialize HTTPS servers in Go.
In the “Simple Hello World Server” lesson, we learned about
net/http package, how to create routes and how
[ServeMux](https://golang.org/pkg/net/http/#ServeMux) works. In the “Running multiple HTTP servers” lesson, we learned about
[Server](https://golang.org/pkg/net/http/#Server) structure and how to run multiple HTTP servers concurrently.
In this lesson, we are going to create an HTTPS server using both Go’s standard server configuration and custom configuration (using
[_Server_](https://golang.org/pkg/net/http/#Server) structure). But before this, we need to know what HTTPS really is?
HTTPS is a big topic of discussion in itself. Hence while writing this lesson, I published an article just on “How HTTPS works?”. I advise you to read this lesson first before continuing this article. In this article, I’ve also described the encryption paradigm and SSL certificates generation process.
If we recall the simplest HTTP server example from previous lessons, we only need
http.``[ListenAndServe](https://golang.org/pkg/net/http/#ListenAndServe) function to start an HTTP server and
http.``[HandleFunc](https://golang.org/pkg/net/http/#HandleFunc) to register a response handler for a particular endpoint.
In the example above, when we run the command
go run server.go , it will start an HTTP server on port
9000. By visiting
http://localhost:9000 URL in a browser, you will be able to see a
Hello World! message on the screen.
As we know, the
nil argument to
ListenAndServe() call invokes Go to use the
[DefaultServeMux](https://golang.org/pkg/net/http/#DefaultServeMux) response multiplexer, which is the default instance of
ServeMux structure provided globally by the Go. The
HandleFunc() call adds a response handler for a specific route on the multiplexer instance.
http.ListenAndServe() call uses the Go’s standard HTTP server configuration, however, in the previous lesson, how we can customize a server using
[Server](https://golang.org/pkg/net/http/#Server) structure type.
To start an HTTPS server, all we need do is to call
ServerAndListenTLS method with some configuration. Just like
ServeAndListen method, this method is available on both the
http package and the
http.``[ServeAndListenTLS](https://golang.org/pkg/net/http/#ListenAndServeTLS) method uses the Go’s standard server implementation, however, both
[Server](https://golang.org/pkg/net/http/#Server) instance and
Server.``[ServeAndListenTLS](https://golang.org/pkg/net/http/#Server.ListenAndServeTLS) method can be configured for our needs.
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We have already seen how to create and work with variables, pointers, and Constants. In this article, we are going to see the four important collection types built into the language.
We start with humble Arrays, from there we move on to Slice, an evolved version of Array. From Slice, we talk about the map a key-value pair collection. Let’s start with Arrays here.
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switch conditional statements for code execution based on certain conditions. To execute some code over and over again, we have the for
if-else if-else variants of if/else statement we are familiar with. It is used to check a condition, and execute some code when the condition is
Simple use of
if condition is demonstrated below. Unlike most of the programming languages, Go does not allow to wrap the
condition inside parenthesis
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