Useful tips for everyday
Why are my iPhone calendar invites not being received? If you’re not receiving notifications about events and shared calendars while signed in to iCloud.com or…
How do you delete all archive logs using RMAN? In order to delete them you can do: RMAN>crosscheck archivelog all; RMAN>delete noprompt expired archivelog all;…
What is an alpha channel showing? Alpha channels allow us to combine multiple images into a new single image. An alpha channel is essentially any…
Is Advanced SQL required for data science? There is an increasing need for data scientists and analysts to understand relational data stores. If you need…
Can Salesforce do drip campaigns? Through MassMailer and Salesforce Process Builder, you can create email drip campaign in Salesforce with ease. Drip emails are often…
What does NoIR camera mean? (NoIR = No Infrared.) This means that pictures you take by daylight will look decidedly curious, but it gives you…
What is the best way to compare two values? Comparison: Percent Difference The Percent Difference comparison calculates the percentage difference between two number values in…
How do you find the macOS version? Which macOS version is installed? From the Apple menu in the corner of your screen, choose About…
How do I fix my camera on Google Hangouts? How do I fix google hangouts camera not working? Make sure your hardware isn’t to blame.…
How does Nmap know a port is filtered? Nmap cannot determine whether the port is open because packet filtering prevents its probes from reaching the…