How do I undo ‘git add’ before commit?
You can undo the git add command before committing in Git by using the git reset command. The git reset command allows you to unstage changes that have been staged…
Why ‘X’ + Y = ‘XY’ in TypeScript ? Expect an error
In TypeScript, when a string is concatenated with a non-string value using the "+" operator, the non-string value is implicitly converted to a string before concatenation. This is known as…
let numInArray: number[ ] = [ ]; Gives this ERROR ” SyntaxError: Unexpected token ‘:’ “
The error "SyntaxError: Unexpected token ':'" is indicating that the JavaScript interpreter is encountering a colon (':') in a place where it is not expected. In this case, it appears…