Find if the word exists in the grid (Java)
Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cells, where "adjacent" cells are…
Find the largest rectangle in Matrix (Java)
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. Java Solution public int maximalRectangle(char[][] matrix) { int m…
Find the largest square in Matrix (Java)
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following matrix: 1101 1101 1111…
How to Add a Filter in Spring Boot
1. Overview In this quick tutorial, we'll explore how to define custom filters and specify their invocation order with the help of Spring Boot. Filters as the name suggest used…
@Order annotation in Spring
In this post, we will discuss the @Order annotation. We are covering various features of this annotation. Introduction @Order annotation defines the sort order for an annotated component. This annotation is available…
Spring Cloud Hoxton.M3 Released
Spring has announced that Milestone 3 (M3) of the Spring Cloud Hoxton (Hoxton.M3) Release is available. The release can be found in the Spring repository. Significant changes in the Hoxton Release This latest…
Configuring a Main Class in Spring Boot
SpringApplication.run(Classname.class, args) bootstraps a spring application as a stand-alone application from the main method. It creates an appropriate ApplicationContext instance and load beans. By default, if the main class isn't…
Customize Whitelabel Error Page in Spring Boot
In this article, we will cover the famous Spring Boot Whitelabel error page. We are covering how to disable the default error page and how we can customize the Whitelabel error page in your Spring Boot application.…
Rust vs. Go: How to choose
Do you want execution speed or developer speed? Memory safety or easy concurrency? How to decide between Rust and Go In less than a decade, two new programming languages have…
JDK 14: The new features in Java 14
Switch expressions and NVM-supporting file mapping byte buffers are slated for the next version of standard Java due in 2020 Java 13 only just shipped September 17, but work has already…