Useful tips for everyday
How much GB do I need for Time Machine? A general “rule of thumb” is, to keep a reasonable “depth” of backups, Time Machine needs…
How to write a message to both the console and the log file? to write a message to both the console and the log file…
What is LM2917? LM2917-N ACTIVE The LM2907 and LM2917 devices are monolithic frequency-to-voltage converters with a high gain op amp designed to operate a relay,…
What is a dynamic data source? A dynamic data source is a data source which uses one or more variables in its query instead of…
What are the options found in status toggle bar? The status bar displays the cursor location, drawing tools, and tools that affect your drawing environment.…
What happens when you mix old oil with new oil? When you mix new and old oil, the new oil becomes “watered down” with the…
Can you replace just AC condenser? Your Condenser Unit Could Solely Be to Blame for a Broken AC A common question we get is if…
How do I update Java on Raspberry Pi? Updating Java Login to your PI with Putty or your preferred CLI (command line interface) tool. Add…
How do I turn off my Mac keyboard? Simply press Ctrl + F1 to disable your keyboard controls. How do I turn off my MacBook…
What is the correct function to get the combined results of two queries? The Union operator combines the results of two or more queries into…