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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 application and need to display all the errors and warnings, you are in the right place.

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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 reason a form validation or submit button isn’t working.

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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 works before it goes live. You should make sure that the code passes acceptance tests, too.

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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 inspection, but that has its disadvantages.

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.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. Upon downloading, Kosmirak discovered hidden performance problems in his code before they manifested to actual performance problems.

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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.

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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 for you to know what impact your application has on the user is through end user monitoring.

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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 that currently holds a null reference. But what is a null reference?

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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 you want to know how the application behaves under extreme stress?

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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 can write meaningful log messages and use log levels correctly.