Introduction to PHP Introduction PHP stands for Hypertext Preprocessor. It is a general-purpose scripting language that is especially suited to web development. PHP tags, when PHP parses a file it looks for an opening and closing tags <?php and ?>. …

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Basic overview of trees in data structures Introduction A tree is a non-linear and hierarchical data structure consisting of a collection of nodes such that each node of the trees stores a value and a list of reference to other nodes. Data in a tree is stored in a hierarchical structure. …

Understanding big O notation in Data Structures and Algorithm Introduction There are several ways to solve a problem, to choose the best algorithm to use, we need to compare the performance of the different algorithms. Comparing the performance of an algorithm is achieved by measuring it’s space and time complexity. we…

Mocking your application in Java Introduction From the previous unit testing blog, we went through some basics of unit testing. Here is a link to my previous blog. We going to go over some more mockito methods: @InjectMocks creates mock implementation and additionally injects the dependent mocks that are marked with…

Mocking your application in Java Introduction Unit Testing is a methodology of testing source code to check the independent modules of a software app during the development phase. It is done by developers during the coding phase before integration testing. It can be a procedure or a function. Integration Testing is…

Using start.spring.io to create a spring-boot project Introduction Spring-boot framework is an open source java based framework used to create a micro-service that run on java virtual machine(JVM). It makes it easy to create stand-alone, production-grade Spring based Applications that you can “just run”. Micro-service is an architecture that allows…

Creating a model from a json response using jsonschema2pojo Introduction Model Class is used to ”model” the data in your application by defining attributes and operation for the objects of each class. You can use objects of this classes as vessel to send or receive data. Let’s take a simple example…

Learning bash scripting and linux command for easy navigation. Introduction Bash scripting is a nice skill to learn to make your interaction with Linux system faster and easy. Terminologies: Bash is a command language interpreter widely available on many operating systems and It comes installed by default on the majority of…