This past year, I was introduced to the Silicon Prairie when I hosted Big Omaha and spoke at Thinc Iowa. What’s the Silicon Prairie you ask? It’s just the hottest area in the country for tech startups that you never heard of.
SOLID Design Principles Explained: The Single Responsibility Principle
SOLID is one of the most popular sets of design principles in object-oriented software development. It’s a mnemonic acronym for the following five design principles: Single Responsibility Principle Open/Closed Principle Liskov Substitution Principle Interface Segregation Principle Dependency Inversion All of them are broadly used and worth knowing. But in this first post of my series about the SOLID principles, I …
What Is a Requirement Traceability Matrix?
When developing software applications, we want to make sure the application does what the software requirements say it’s supposed to do, and testing proves that it does. In this article, I’ll explore how to link requirements to test cases, and I’ll explain what a requirement traceability matrix is and how to build a simple one. What Is a Requirement Traceability …
Display All PHP Errors: Basic & Advanced Usage
A PHP application might produce many different levels of earning and errors during its execution. Being able to see these errors is essential for developers trying to troubleshoot a misbehaving application. However, developers often have trouble when trying to display errors from their PHP applications. Instead, their apps just fail silently. If you are having problems with your PHP web …
A Practical Guide to JavaScript Debugging
Being a UI developer, I’ve learned one thing: It doesn’t matter how carefully you write your code. Suppose you’ve double-checked that you defined and called all functions the right way or followed all the best practices. Even then you’ll see that a tiny variable can sneak behind and create an error. Now, suppose you find out that for some unknown …
What Is Test Driven Development?
When I’m writing new software, one of the most important thoughts in my mind is how I’ll test to make sure it works. There are lots of ways to test software, and when you’re at your best, you should be using all of them. Sure, you should make sure that your QA team is able to verify that your code …
JavaScript Tracing: How to Find Slow Code
Finding slow JavaScript code can be a tricky problem to solve. Small code changes can have a big impact on the performance of your code. Fortunately, many different approaches can help you nail down the exact source of the problem. In this post, you’ll learn about three methods that’ll bring you the results you’re seeking. You can trust manual code …
.NET Developer Finds Latent Bugs with Prefix
Rostyslav Kosmirak is a .NET developer from Ivano-Frankivsk, Ukraine using Rider and Visual Studio IDE. Kosmirak was not looking for a Dynamic Code Profiler when he came across Prefix. Kosmirak explains that initially he was searching through Google for a log management system when he stumbled on Prefix.
A Guide to Streams in Java 8: In-Depth Tutorial With Examples
Overview The addition of the Stream was one of the major features added to Java 8. This in-depth tutorial is an introduction to the many functionalities supported by streams, with a focus on simple, practical examples. To understand this material, you need to have a basic, working knowledge of Java 8 (lambda expressions, Optional, method references). Introduction First of all, …
COVID-19 Update: Our Promise
Our mission has always been to help software teams to continuously improve their applications. As COVID-19 is impacting the world, we want to assure you that we’re staying true to our promise.
Monitoring Microservices: A 5-Step Guide
Why is monitoring microservices so important? It’s because we work in a time where systems are complex, distributed across multiple microservices. For example, even a simple e-commerce app may have Ordering, Product Catalog, and Shipping services. Our tooling and practices sometimes struggle to keep up with such complexity. It reminds me of music and video games. In the early days …
Stackify Concentrates on Kansas City
Stackify shifts outreach strategy to concentrate its focus on local network expansion and prioritize Kansas City development teams. Stackify had centralized on inbound and outbound efforts without any geographic emphasis and will continue to serve development teams globally.
What Is End User Monitoring?
For any business to succeed, it’s important for it to reach users effectively. Almost every business today is online and therefore reaches users through applications. If you run an online business, or if you are a part of such a business, it’s important for you to know what impact your application has on your users. One of the best ways …
What Is NullReferenceException? Object reference not set to an instance of an object
“Object Reference Not Set to an instance of an object.” Cast the first stone those who never struggled with this error message when they were a beginner C#/.NET programmer. This infamous and dreaded error message happens when you get a NullReferenceException. This exception is thrown when you try to access a member—for instance, a method or a property—on a variable …
Load Testing vs. Performance Testing vs. Stress Testing
Just conducting one type of testing is generally not enough. For example, let’s say you decide to perform unit testing only. However, unit tests only verify business logic. Many other types of tests exist to verify the integration between components, such as integration tests. But what if you want to measure the maximum performance of your application? Or what if …
C# Exception Handling Best Practices
Welcome to Stackify’s guide to C# exception handling. In this article we cover the following topics: Basics about C# Exceptions, including examples Common .NET Exceptions How to Create Your Own Custom C# Exception Types How to Find Hidden .NET Exceptions C# Exception Logging Best Practices Why is this topic so important? In modern languages like C#, “problems” are typically modeled …
How to Check Website Logs
Have you ever looked at your website logs and realized they don’t make sense to you? Maybe your log levels have been abused, and now every log categorizes as “Error.” Or your logs fail to give clear information on what went wrong, or they reveal sensitive information that hackers may harvest. Fixing these problems is possible! Let’s explore how you …
Top 10 Future Programming Languages
Programming languages have made applications more efficient and easy to use, raising user experience to the next level. Let’s look at the top programming languages defining the future of code. 1. Python Python is widely accepted as the best programming language for beginner developers as it is simple and easy to use and deploy. It is widely used to build scalable …
Web Application Testing: A 6-Step Guide
Almost every business today runs online. The internet is one of the easiest avenues for businesses to reach users, and websites are a great way to impress your customers. So, when you’re building a web application for your business, it’s important that you make it the best version it can be. To make sure that your web application is good …
PHP vs Python: Is There a Clear Choice in 2020?
There are dozens of great languages to learn. Today we’ll be breaking down the differences between two of the best: PHP vs Python. Which one is best for your application? Which is going to give you the best return on your development time? We’ll pit these two head-to-head and find out which is the best choice for you. Ease of …
10 of the Most Popular Java Frameworks of 2020
There are plenty of reasons why Java, being one of the older software programming languages, is still widely used. For one, the immense power one wields when using Java is enough to make it their staple. Couple that with the possibilities that using good Java frameworks bring and you could lessen the turnaround time for big projects. This post will …