Below you'll find a list of all posts that have been tagged as “Prefix”
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 …
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 …
“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 …
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 …
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 …
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 …
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 …
CAI stands for Continuous Application Improvement. It is a software improvement process that is implemented at each step of the SDLC, ensuring immediate feedback at each step rather than waiting until risk levels and impact has gone up. When you implement CAI you shift your improvement process as far left as possible and catch software bugs and performance problems where …
Well, my developer friends, 2020 is your year. Businesses in practically every industry have a fever to grow their IT operations and automate just anything possible. I know, I know. The demand for developers is nothing new. But 2020 is different. 2020 is the year where we see some of this decade’s most exciting technologies become commercially viable, and others …
Ruby on Rails Gems is a package manager containing libraries, software packages, and utilities for standard format distribution of Ruby programs and libraries. RoR Gems have functionality with related files to help save time in web development. Debugging Byebug: Byebug is an effective solution for debugging. This gem takes time between tasks and implementing code by changing variables to perform …
RoR (Ruby on Rails) is a server-side web application framework. To make it more secure, use HTTPS instead of HTTP. Step One: Buy an SSL certificate: First step is purchasing an SSL certificate. There are various types of SSL certificates, based on your requirements including: Extended Validation Certificates (EV SSL) Organization Validated Certificates (OV SSL) Domain Validated Certificates (DV SSL) …
It’s Friday afternoon, the majority of the development staff has already packed up and headed home for the weekend, but you remain to see the latest hotfix through to production. To your dismay, immediately after deployment, queues start backing up and you begin to get alerts from your monitoring system. Something has been broken and all evidence points to an …
Have you heard the saying “you can’t manage what you can’t measure?” The phrase is often attributed to management thinker Peter Drucker, and less often to other authors as well. It can also slightly vary in its wording, depending on the source. At the end of the day, the exact wording of the sayer and who said it first doesn’t …
Debugging performance issues in production can be a pain and, in some cases, impossible without the right tools. Java profilers have been around forever, but the profilers most developers think about are only one type: standard JVM profilers. However, using one type of profiler is not enough. Suppose you’re analyzing your application’s performance. There are multiple profiling activities which you …
Software is a complex thing. As soon as you deploy an application to production—especially when you don’t have any control over the environment it’s running on—anything could happen. You’ve created this “monster” and set if free. It’s now free from your control. How do you tame this beast before it creates havoc? The first step is to trace its steps …
Let’s begin with a little thought experiment. Imagine you’re responsible for the next release of your company’s flagship product, and today is the big day: you’re about to give a demo presentation for all the big shots in the company. The CTO is obviously there, since she’s your boss. The CEO is there as well, along with the VP of …
Picture this: you’re standing in the largest meeting room in your company. Behind you, a huge LED monitor. In front of you, all members of the C-suite. The CTO, your direct boss, is visibly nervous. The CEO looks interested and somewhat excited. The CFO looks happier than usual, though it probably has more to do with his very successful golf round …
Matt and Jason discuss the free developer tool Prefix. Launched 18 months ago, it has now been downloaded by 20,000 developers in 140 countries. Prefix helps developers find and fix bugs in their code while they are writing it. Prefix is based on the same technology that Retrace uses to monitor servers in production or QA. It tracks key methods in …
After months of hard work, we’re thrilled to release the latest version of Prefix, Prefix v3.0. In this new version, we fixed a number of bugs and added a few major enhancements including: A major .NET profiler update Better remote tracing New feature: the ability to disable suggestions Improved Remote Tracing with Prefix v3.0 One of Prefix’s key features has …
Microsoft and the .NET community have made asynchronous programming very easy with their implementation of async await in C#. The latest versions of ASP.NET heavily utilize it to improve performance. Many performance monitoring and profiling tools struggle to support and visualize the performance of asynchronous C# code. Stackify’s Prefix & Retrace products both have excellent support for applications using C# async await. …
