LAMP and LEMP are two popular software stacks that are used for web development. They both offer a set of tools that are required for hosting dynamic websites and applications. The primary difference between the two is the web server they use. LAMP uses Apache while LEMP uses Nginx. Apache is known for its robustness and widespread use, while Nginx is known for handling high traffic. LAMP and LEMP Stacks: How Do They Work?Before understanding the main differences between these two stacks, let's first understand how both these stacks work.As both the LAMP (Linux, Apache, MySQL, PHP (or Perl/Python)) and LEMP (Linux, Nginx ... Read More

What is a Decision Table? Decision Tables provide a structured, tabular format that clearly lists all possible conditions and corresponding actions, making them ideal for scenarios where multiple factors need to be considered simultaneously. This format is particularly useful in rule-based systems where clarity and precision are paramount. Decision Tables are often favored for their ability to handle complex logic efficiently, offering a compact overview of decisions in a concise, easy-to-update format. Example of a Decision TableLet's take the scenario of Online Order Discount Eligibility. An e-commerce company uses a decision table to determine whether customers are ... Read More

A project has many senior roles which can be confusing because of their roles and responsibilities. These roles are very crucial and they have to handle the team as well as stakeholders and partners. In this article, we will discuss the difference between Project Analyst and Project Manager. What is a Project Analyst? A project analyst is a member of a project management team whose responsibility is to handle the data related to a project. He has to deal with resource allocations and progress reports, etc. The information that is analyzed by the project analysts helps in making decisions. Stakeholders ... Read More

Distributed and parallel computing consists of multiple processors or autonomous computers where either memory is shared or a computer is used as a single system. In this article, we will discuss the difference between distributed and parallel computing. What is Parallel Computing? Parallel computing is a system in which multiple processors are used to perform different types of tasks. This is a system in which memory can be shared or distributed between the processors. Parallel computing is a system which can be used to save money and time. Parallel computing is also known as parallel processing in which each processor ... Read More

There are situations in a database in which if one transaction has to access data, other transactions should not be allowed to access the same data. In such a case, the lock is important to prevent other transactions from using the data that is being used by a transaction. Locks are of two types which include shared locks and exclusive locks. In this article, we will see the difference between shared lock and exclusive lock. What is a Shared Lock? Shared lock is a lock that does not permit to work on data by a transaction if it is being ... Read More

Gradle is a tool which is used in Java development. One of its main jobs is to create automation tools. Maven is used as an alternative to Gradle but it is older and helps in building the tools which are best for a project. Developers can make a choice between them on the basis of their requirements for a project. In this article, we will discuss the difference between Gradle and Maven. What is Gradle? Gradle is an open-source automation system which uses domain-specific language called Groovy. This is a programming language that uses XML for the configuration of a ... Read More

SQL is a language which consists of different types of clauses in the Select statement like Where Group by Having Order by These clauses are used to retrieve values, sort them, group them, and do a lot of other things. In this article, we will discuss the difference between having clause and group by clause. What is Having Clause? The Having clause is used to filter groups of rows based on a condition, which often includes the aggregate functions. It comes after the GROUP BY clause in a SQL query. Unlike the WHERE clause, which filters rows before ... Read More

Logical reasoning is one of the main subjects of computer science and mathematics. This reasoning helps in making the decisions of whether different types of mathematical arguments are correct or not. It can be divided into propositional logic and predicate logic. Both of these topics are required for different subjects like mathematics, philosophy, computer science, etc. These concepts are very complex and are used in creating various types of arguments. Let us discuss the difference between propositional logic and predicate logic. What is Propositional Logic? A proposition consists of a truth value which should not be ambiguous to the two ... Read More

Vector and List are present in many programming languages like C++, R, etc. and they are used to add and remove elements. These elements can be accessed randomly in a vector but not in a list. In this article, we will discuss the difference between vector and list in C++. What is Vector in C++? A vector is a container which works as a dynamic array. It can be used to store elements whose datatype is same. Vectors also have a characteristic of growing or shrinking at runtime. Vectors belong to the Standard Template Library (STL) and header file ... Read More

Stream was introduced in Java 8 and it was included as java.util.stream package. It is a sequence of objects which acts as an array or a collection. Different types of methods are supported by stream. Besides this, stream also supports different kinds of aggregate operations which include − Filter Map Reduce Limit Match Find The source is not affected when any of these operations are performed on a stream. Instead of this, a new stream is created to apply these operations. There are two types of streams which are sequential and parallel. In this article, we will discuss ... Read More