AbhimanyuRedis Keys Expire — Things you need to know.Whenever we create a key in Redis, this key is created without any timeout or expiration value. So they live forever in the Redis server…4 min read·Sep 15, 2020----
AbhimanyuLeetcode problem 1022: Sum of Root To Leaf Binary NumbersIn this problem, we need to find the sum of all binary numbers that are formed by traversing each root to leaf path in the tree. Please…2 min read·Sep 8, 2020----
AbhimanyuTomcat 9.0.16 throws 404 error in eclipseToday I installed a new eclipse version through eclipse installer and then configured tomcat 9.0.16 as server. But tomcat started throwing…2 min read·Mar 19, 2019----
AbhimanyuJava’s Metadata And Annotations, Part 1 : IntroductionJava Annotations provide a way to specify metadata about various java constructs like Classes, Methods, constructors or package.2 min read·Feb 20, 2019----
AbhimanyuHow java HashMap handles null keys and null values.When we put a null key to java hashmap hashcode() method is not called on the null, instead puts the key in bucket 0. Java uses linked…1 min read·Nov 17, 2018----
AbhimanyuFlink :- No JobSubmissionResult returned, please make sure you called…Last week I was working on one of my Apache Flink based project, in which I added several more sub-tasks to the stream. And while…2 min read·Nov 9, 2018----
AbhimanyuSprin MVC : Content Type is not being set correctlyProblem: content type always being set as “text/html”1 min read·Aug 25, 2017----