During the execution of a PHP application, it is possible for it to generate a wide range of warnings and errors. For developers seeking to troubleshoot a misbehaving application, being able to observe these errors is critical. Developers, on the other hand, frequently encounter difficulties when attempting to display errors from their PHP applications. Instead, their applications simply stop working.
For the newest instalment in our series of interviews asking leading technology specialists about their achievements in their field, we’ve welcomed Mark Kerzner, software developer and thought leader in cybersecurity training who is also the VP at training solutions company, Elephant Scale. His company has taught tens of thousands of students at dozens of leading companies. Elephant Scale started by publishing a book called ‘Hadoop Illuminated‘.
The Java Persistence API (JPA) is used in most Java applications to interact with a relational database. One of its most popular implementations is the Hibernate ORM, because it uses object-relational mapping to abstract database interactions and makes implementing simple CRUD operations very simple. But this abstraction also has its downsides. Hibernate uses a lot of internal optimizations and hides all database interactions behind its API.
The mobile app customer experience is more than simple UX design. It encompasses the experience that users get across all of the brand’s channels and includes all the interactions as a user identifies, evaluates, purchases, uses, re-engages, and leaves the product. A recent report noted that users downloaded 204 billion mobile apps globally in 2019; and customer churn is easier than ever.
Today’s organizations face rising customer expectations in a fragmented marketplace amidst stiff competition. This landscape is one that presents opportunities for a modern data-driven organization to thrive. At the nucleus of such an organization is the practice of accelerating time to insights, using data to make better business decisions at all levels and roles.
“The most difficult thing is finding out why your job is failing, which parameters to change. Most of the time, it’s OOM errors…” Jagat Singh, Quora Spark has become one of the most important tools for processing data – especially non-relational data – and deriving value from it. And Spark serves as a platform for the creation and delivery of analytics, AI, and machine learning applications, among others.
In software testing, the term test coverage refers to how much of an application’s functionality is covered by test cases. In practice, the term also often refers to the effectiveness of that testing. QA teams use test coverage as a benchmark because it tends to correlate closely with the quality of the end product. Better test coverage typically means fewer bugs get shipped to production.
