Useful tips for everyday
What is the difference between impedance and capacitance? The capacitance is defined as the charge stored/displaced across a capacitor divided by the potential difference across…
Whats the difference between inbox and archive? Archive. If you archive an email, it will be removed from your inbox, but you will always have…
How do I make a PDF file Not downloadable? To use the feature, open the sharing dialogue from any Google Drive file and click on…
Do multiple joins slow down query? Joins: If your query joins two tables in a way that substantially increases the row count of the result…
How do I run a cron job when another cron job finishes? will pause for two seconds and then do an ls . Do the…
What is communication between client and server? The “client-server” characteristic describes the relationship of cooperating programs in an application. Client software can also communicate with…
Does Raspberry Pi have Alexa control? Control Raspberry Pi (Linux device) from Alexa Create an AWS SQS Queue. Create a Lambda function. Create the custom…
How do I remove socket IO client side? var socket = io. connect(‘http://localhost:3000/test’); socket. on(‘disconnect’, function () { console. log(‘disconnect client event….’); }); socket. What…
How does a self-tuning controller operate? Self-tuning (self-adapting) systems of automatic control are systems whereby adaptation to randomly changing conditions is performed by means of…
How do I get my social media to show up on Google? Add the name of your organization to the ”name” section of the script.…