Useful tips for everyday
Does ASA support route based VPN? ASA supports route-based VPN with the use of Virtual Tunnel Interfaces (VTIs) in version 9.8 and later. How do…
How do you optimize a slow query? It’s vital you optimize your queries for minimum impact on database performance. Define business requirements first. SELECT fields…
What is gray level in digital image? The grey level or grey value indicates the brightness of a pixel. In a binary image a pixel…
How can I change the preview image when sharing a link on Facebook? Right-click inside the “Update Status” box at the top of your Facebook…
How would you automatically align to layers in Photoshop? Choose Edit > Auto-Align Layers, and choose an alignment option. For stitching together multiple images that…
Why are my certificates invalid? If the user has signed their certificate by an unknown trusted source or self-signed certificate, the browser will show an…
How do I fix my laptop screen rotation? How to use or assign hotkeys or shortcuts to rotate your screen For Windows 10 devices, you…
How to create a UDP connection with netcat? From my remote server, I start listening for UDP connections to UDP port 12345: I connect to…
What causes Microsoft Excel to say document cannot be saved? Have you ever prepared an Excel file and clicked ‘Save’ just to discover Microsoft Excel…
What do you do when you feel stuck at work? Here are some things to consider if you’re feeling stuck in your career. Figure out…