builds.rishabhrahul.comPostgresSQL Helper CommandList of command that might be useful CommandDescription \conninfoDisplays information about the current database connection. \l or \listLists all databases in the PostgreSQL server. \c [database_name]Connects to another database. \dtLists a...Dec 16, 2023·1 min read
builds.rishabhrahul.comFunction vs MethodIn most of the place you will find method and function are use interchangeably but they have a key difference. FunctionMethods Context and AssociationStandalone, can be called independently.Belongs to an object or a class, and is typically cal...Dec 1, 2023·1 min read
builds.rishabhrahul.comJackson AnnotationsAnnotationPurposeUsage @JsonAnyGetterEnables the flexibility of using a Map field as standard properties.Use when you want to serialize a Map's key-value pairs as JSON properties. @JsonGetterMarks a method as a getter for a specific property, alt...Nov 22, 2023·2 min read
builds.rishabhrahul.comAry-Data BaseI'm working on a simple Java database using a B+Tree structure. My goal is to make it lightweight and efficient. I will also use JNI (Java Native Interface) to link it with Nvidia-GPUDirect using CUDA/C++ for quick GPU-based data operations. Its a bi...Nov 16, 2023·2 min read
builds.rishabhrahul.comCreating your own map!GitHub Imagine we're setting out to create our very own map. Now, you might be wondering, "What's a map, really?" It's like your trusty guide on a piece of paper, showing you the way around towns and countries. So, there I was, super curious about ho...Nov 14, 2023·4 min read