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A large proportion of Java database applications are using Hibernate/JPA to bridge the gap between Java and SQL. Until recently, we were forced to mix Java and JPQL or to use complex imperative criteria builders to create database queries. Both of these methods are inherently neither type-safe nor very intuitive. The newly launched open-source library JPAstreamer addresses these issues by allowing you ...

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Regression testing is crucial for every release as it puts a check on overall application quality. As we all know in the agile model things are fast, releases are quick and regression can become a bottleneck. While agile offers numerous advantages by reducing ‘ship to market time’, it comes with its own challenges. For test engineers, this is particularly challenging ...

Hello in this tutorial, we will understand the different ways to list the files in a directory using the python programming. 1. Introduction To list the files in a directory we will use the two approaches i.e. Using os module – We will use the walk method which will generate the file names in a directory tree by walking the ...

In this article, we will create several web applications using a single full-stack ActiveJ framework. 1. Why using ActiveJ? Most of the Java frameworks have common drawbacks: Excessive layers of abstractions that hide the legacy staffTo much overhead, and thus lack of performance and flexibilityFramework specifications are elevated over business logic  ActiveJ’s main concept is to overcome these drawbacks. For ...

The model, developed by Leonard Richardson, attempts to classify an API according to its adherence to the constraints imposed by REST. The more compliant your implementation, the better it fares. There are four levels. The bottom is level 0, which designates the less compliant implementation, and the top is level 3, which is the most compliant and therefore the most ...

Hello in this tutorial, we will explain the different ways to remove the occurrences of a character from a string in the python programming language. 1. Introduction To remove the occurrences of a character from a string in the python programming language we will use the two commonly used replace and translate methods. Using the string replace() method we can ...

Hello in this tutorial, we will understand the different ways to check if a key is in a dictionary data structure in the python programming language. 1. Introduction A dict is a valuable data structure in the python programming and it holds the key-value pair. To find the existing of a key in the dict data structure we will explore ...

Hello in this tutorial, we will explain the zip() function in the python programming language. 1. Introduction The zip() function in python takes multiple iterables and aggregates them into a python tuple (i.e. collection of objects) and returns it. The syntax of zip() function in python programming is – Syntax 1 2 # iterables are the built-in iterables (like list, ...