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5 takeaways from Matthew O'Riordan's chat on the Category Visionaries podcast

Category Visionaries is a podcast where founders and CEOs share their stories from the front line of business. It specializes in discussions with leaders who are disrupting and reimagining the business model of their industry. Our CEO Matthew O’Riordan recently sat down with the podcast’s host, Brett Stapper, to discuss his journey since founding Ably, the reasons he did so, and the decisions he’s made along the way. Here’s the full discussion.

Perforce Streams: Everything You Need to Know

This video provides an overview of the main types of streams in Helix Core, as well as the iconography and relationships between stream types in the Helix Visual Client (P4V). Perforce solutions engineer, Jase Lindgren, also provides some example use cases and workflows for each stream type (mainline, development, release, virtual, and task), so you can learn how to best leverage each type.

What are the Different Types of API Calls Developers Can Use?

API calls are requests made by one software application to another. There are various types of API calls. Different protocols and interfaces are available to designers who want applications to ‘talk’ to each other. In this guide, learn about the different types of API calls and how DreamFactory can improve API management in your organization. Here’s the key things to know about the different types of API Calls: Table of Contents.

How to use Google Charts with React for Dynamic Data

According to research from Matillon and IDG, data volumes increase by 63 percent per month on average in an organization. Examining such substantial volumes of data without the right tools makes it impossible to make informed decisions, even in small businesses. The key to deriving useful and profit-driving insights from data is data visualization - which turns complex raw figures into meaningful visual representations of the data. Google Charts is a free data visualization library provided by Google.

How to Fix the "Variable Might Not Have Been Initialized" Error in Java

Variables in Java should always be initialized and assigned a value before use, otherwise you’ll get the Variable Might Not Have Been Initialized error. Imagine walking into a coffee shop and ordering your favorite latte. The barista nods, grabs a cup, and then just stares at it.

How to Fix "IndexError: List Assignment Index Out of Range" in Python

The IndexError: List Assignment Index Out of Range error occurs when you assign a value to an index that is beyond the valid range of indices in the list. As Python uses zero-based indexing, when you try to access an element at an index less than 0 or greater than or equal to the list’s length, you trigger this error. It’s not as complicated as it sounds. Think of it this way: you have a row of ten mailboxes, numbered from 0 to 9. These mailboxes represent the list in Python.

An Introduction to RuboCop for Ruby on Rails

Good code has a lot to do with how readable it is. As developers, we more often read code than write it. As my Perl teacher told us many times: the flexibility of Perl's syntax was its best and worst trait at the same time. Ruby's syntax was influenced partly by Perl and is also quite flexible. Whatever language you pick, set some guidelines to avoid overusing a language's flexibility. Style guides for Ruby abound on the web, and it's not difficult to pick a style nowadays.