Web Scraping with Go

Web scraping (Wikipedia entry) is a handy tool to have in your arsenal. It can be useful in a variety of situations, like when a website does not provide an API, or you need to parse and extract web content programmatically. This tutorial walks through using the standard library to perform a variety of tasks like making requests, changing headers, setting cookies, using regular expressions, and parsing URLs. It also covers the basics of the goquery package (a jQuery like tool) to scrape information from an HTML web page on the internet.

If you need to reverse engineering a web application based on the network traffic, it may also be helpful to learn how to do packet capture, injection, and analysis with Gopacket.

If you are downloading and storing content from a site you scrape, you may be interested in working with files in Go.

Taking Command Line Arguments in Java

Taking command line arguments is one of the first things you should learn how to do with a new language. In this tutorial we'll walk through a simple Java program that takes command line arguments. We'll look at how to check if any arguments were passed, access them directly by numerical index, and iterate through each argument provided.

Installing JDK 1.8 and 9 in Windows for Java Development

In this tutorial we will walk through the process of installing the Java 1.8 and Java 9 JDKs in Windows for Java development. When we're done, we'll have both JDKs installed, with one of them set up as our default leaving us with a Java development environment ready to compile and run applications.

How to setup gcc (MSYS2) for Eclipse in Windows for C++ development

Trying to get an open source toolchain configured in Windows for C++ can sometimes be a headache. In Windows, you can simply install Visual Studio and use the Microsoft C++ compiler, but you may want to use the free GNU compiler (g++) instead. This will outline the process for getting a simple C++ toolchain ready in Windows using Eclipse as an IDE. This guide focuses on the 64 bit version only.