Useful tips for everyday
What type of data a sensor reads? Sensor readings can be viewed as observations made by the system. Upon receiving an observation as the input,…
How do I assign a drive letter to a portable device? Right-click the USB drive to which you want to assign a persistent drive letter…
How to revert from Ctrl-Alt-F1 to F2? With 17.10 and newer, the login screen is on TTY1, and logged-in users’ GUI sessions on TTY2 and…
How do you create electrical isolation? The three commonly used methods for isolation are: Physical power supply isolation using a media such as insulation, a…
Can RS232 supply power? Standard Serial ports do not usually provide power to the peripherals. The PX-801 allows RS232 peripherals such as barcode scanners or…
How do I add a thread ID in Salesforce? Click on the gear icon. Click on Setup. In the quick find search box, enter Email-to-Case.…
What is a BGI in aviation? Ground Instructor is a certificate issued in the United States by the Federal Aviation Administration. Basic Ground Instructor (BGI)…
How to use OpenStreetMap in iOS? The most basic way to use OpenStreetMap on your iOS device is to open www.openstreetmap.org in a Web browser…
How to pass variable from Visualforce page to apex class? Based on the parameter I want to send pdf to the email address, but it…
Are URLs always ASCII? Modern clients (web browsers) are able to transform back and forth between percent encoding and Unicode, so the URL is transferred…