Jun 202020

ADM

Sending emails with Golang

  • 20 June 2020
  • ADM

To send an email directly from Golang you can use the package smtp which implements the Simple Mail Transfer Protocol (SMTP) as defined in RFC 5321. You also need a mail server, for this tutorial will use the Gmail mail server.

Apr 142020

ADM

Maps in Golang

  • 14 April 2020
  • ADM

Golang maps implements a hash table. Hash tables are one of the most used data structure. A hash table is an unordered collection of key-value pairs, where each key is unique.

Apr 102020

ADM

Interfaces in Golang

  • 10 April 2020
  • ADM

Interfaces are collections of method signatures. A interface type can hold any value that implements those methods. The empty interface is an interface type that specifies zero methods. A type assertion provides access to an interface underlying concrete value. Two interfaces are equal if they have equal concrete values and identical dynamic types, or if both are nil.

Mar 172020

ADM

How to check the JDK version of a class file

  • 17 March 2020
  • ADM

When running a Java application it is mandatory that the JRE version to match or to be higher that the JDK version used to compile the application.

You will get the "Unsupported major.minor version 52.0" error when trying to run an Java 1.8 application using a lower version of Java.

Mar 102020

ADM

Abstract keyword in Java

  • 10 March 2020
  • ADM

The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.

Feb 162020

George

XML and HTML sitemap file in SEO

The sitemap's a file place on your website that will enable Google and other search engines to crawl better and understand the structure of the site. Sitemaps also tell search engines which pages on your site are most important. It's a binder of your website's content.