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sql
Constraints in SQL
Hello. In this tutorial, we will learn different constraints in SQL and will use the postgresql database running on Docker.…
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sql
Where, Group by, Having, and Order by clause in SQL
Hello. In this tutorial, we will learn WHERE, GROUP BY, HAVING, and ORDER BY clauses in SQL and will use…
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Core Java
Bit Masking in Java
1. Introduction Bit masking is visualizing a number or other data in binary representation. Some bits are set and others are unset where set means true or 1 and unset means false or 0. It…
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Core Java
Sliding Window Algorithm in Java
1. Introduction This is an in-depth article related to the Sliding Window Algorithm. This algorithm cuts down the necessity of…
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Linux
Shebang #! in Linux Scripts
1. Introduction When you write scripts in Linux you have to know the meaning of the first line from a…
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sql
SQL Case Statement
Hello. In this tutorial, we will learn the SQL Case statements and will use the postgresql database running on Docker.…
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sql
SQL Like Statement vs iLike
Hello. In this tutorial, we will learn about the SQL like statement vs the ilike and we will use the…
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Core Java
-Xms and -Xmx parameter
Hello. In this tutorial, we will understand Xms and Xmx parameters in the java programming language. 1. Introduction Heap space…
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Git
Git Squash
1. Introduction While developing a new feature you will have multiple stages until that feature is completed. Git offers different…
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sql
SQL Subquery
Hello. In this tutorial, we will learn subqueries in sql and will use the postgresql database. 1. Introduction SQL stands…
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