#LSPPDay42 Today I learned to handle error using mongoose and created a custom error handler using Express.Js. Leapfrog Technology #LearningWithLeapfrog

#LSPPDay43 Today I learned to create migration file using node-pg-migrate and pg package in node and ExpressJs. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #learningwithleapfrog

#LSPPDay44 I learning different ways for securing nodejs application. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #learningwithleapfrog

#LSPPDay45 Today I learned about joi package in nodeJS with ExpressJs. Joi package provides minimal way for validating the schema for the data that are passed from req body by client site. Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay46 I learned about RTK Query in reactJs. It is a data fetching tool that uses redux store to store the cached data and extends primitive http requests. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #learningwithleapfrog

#LSPPDay47 I learned about Tanstack table. It provides a headless UI i.e. a user interface component that provides the logic and functionality for UI elements (like buttons) but without pre-defined styling. docs.google.com/document/d/1gi… #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay48 I learned to use JWT to authenticate. After login, the server creates a token, stores it in the db with its expiry, and sends it to client. Client sends the token in header. Server verifies it on each request. Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay49 Today I learned to connect UDP Server and Client using java .net package. UDP provides fast means of data transfer as it doesn't require a prior handshake to establish connection before sending data. Leapfrog Technology #60DaysOfLearning2025 #learningwithleapfrog

#LSPPDay50 I learned about URL and URI in java .net pkg. The Uniform Resource Identifier(URI) which uniquely identifies resource in internet. While Uniform Resource Locator(URL) identifies where the resource is located. Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#lsppday51 Today I learned about creating proxy in java using .net.proxy package. Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog docs.google.com/document/d/1gi…

#LSPPDay52 Today I learned about InetAddress class and checking for email spans using inetAddress factory methods in Java. Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay53 Today I learned to create a register method for RMI in java using registry class in java. RMI allows to invoke methods remotely from any client . docs.google.com/document/d/1gi… #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay54 Today I learned to create a multithread server using thread using java.net class in java. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay55 Today I learned about active, passive, contact and non-contact sensors. I also learned about Edge analytics in IOT. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#lsppday56 Today I learned about the advance queries such as SUM, AVG, GROUP BY, JOIN and its types in SQL. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #learningwithleapfrog

#LSPPDay57 Today I learned more advance topic on sql such as subqueries with from, in, where and exists. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay58 Today I continued learning concepts of SQL such as UNION, EXCEPT, INTERSECT etc. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay59 Today I learned to store image files using multer and fetched it in frontend for usage. Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

#LSPPDay60 Today I researched on different types of filtration. I focused on content based filter. docs.google.com/document/d/1gi… Leapfrog Technology #60DaysOfLearning2025 #LearningWithLeapfrog

I have been researching for a restaurant recommendation: Today I learned about TF-IDF Vectorization which is used to analyse importance of any word within the document and in all other documents. docs.google.com/document/d/1gi…