Some time while performing any operation on user like updating user, dropping user or granting or revoking access, we face error like user not found for particular db. Few thing…
dropdb destroys an existing PostgreSQL database. The user who executes this command must be a database superuser or the owner of the database. dropdb is a wrapper around the SQL command DROP DATABASE. There is no effective…
In the Postgres command line, it always prompts a password if the password is not set. We can avoid this in the following way. Before running any Postgres command-line command…
The btoa() function takes a JavaScript string as a parameter. In JavaScript strings are represented using the UTF-16 character encoding: in this encoding, strings are represented as a sequence of 16-bit (2…
You get such error while building you angular project like WARNING in budgets: Exceeded maximum budget for initial. Budget 2 MB was not met by 714 kB with a total…
Objects in JavaScript can be thought of as maps between keys and values. We can remove these keys, more commonly known as object properties. In this tutorial, we will learn…
There may be a requirement to merge or flatten the array of array for better representation or readability. There are various ways to achieve this in javascript. We will try…
We can generated all possible combination of alphabets or number using python with only few lines of code. We can use these combination to give unique identity to any one.…
