We can execute external command or any process from the node js. With the help of child_process module we can achieve it. 1. var spawn = require('child_process').spawn, ls = spawn('cmd.exe',…
The maintainers of popular Java logging library Apache Log4j have rushed out a patch for a critical vulnerability that could lead to remote code execution (RCE) in numerous applications. The…
While working on any project where we may have a requirement to check the size of an array or to get an element whose size is greater or less than…
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…
