UUzmainuzma.hashnode.dev·Jan 3 · 2 min readGit and githubgithub Fix GitHub Push Error using SSH If git push fails with Repository not found, switch from HTTPS to SSH. Steps: Check for an existing SSH key: ls ~/.ssh → if id_ed25519 exists, reuse it. Generate a key (if needed): ssh-keygen -t ed25519 -C "sh...00
UUzmainuzma.hashnode.dev·Jul 10, 2025 · 14 min readGetting started with Gitman man will open the manual, which contains all the man git -<op> = manual to understand the operation. Git commands are divided into high level (porcelin) and low level (plumbing) repo: commit: A point in time representing the project in its entire...00
UUzmainuzma.hashnode.dev·Mar 18, 2025 · 1 min readObject Oriented ProgrammingClass: a class is a blueprint or template for creating objects. It defines the structure and behavior (attributes and methods) that the objects created from the class will have.classes are basically user defined data types. // static allocation : Mem...00
UUzmainuzma.hashnode.dev·Dec 30, 2024 · 1 min readpostgreSQLpsql -h localhost -d postgres CREATE TABLE subjects(id int GENERATED ALWAYS AS IDENTITY PRIMARY KEY,name varchar(20) NOT NULL); Alter table ALTER TABLE subjectsADD COLUMN credits varchar(10) NOT NULL; ALTER TABLE subjectsADD COLUMN credits INT; Drop ...00
UUzmaincppconcepts.hashnode.dev·Dec 24, 2024 · 2 min readcpp conceptsVariables: int, long, long long, float, double, long double (storage size and range), string, pointers pointers are variables which store the address of other variables. If we want to use the variable again in our code, the system wont know the exact...00