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What is PFC in LED driver? PFC, which is the Power Factor Correction opening, means to regulate the power ratio. The electricity we use in…

How do I change screen share size? To change the scaling/resolution in Windows, just right-click anywhere on your desktop an choose Display Settings. The Scaling…

How use multiple if in Linux? To use multiple conditions in one if-else block, then elif keyword is used in shell. If expression1 is true…

How do I permanently write protect a flash drive? Write-protection hardware switch. Using DiskPart to change read-only settings….Change security permissions in flash drive properties Open…

How do I reduce the size of an image on a website? How to Resize Images for Web Pick the Right File Format. Before you…

How do you remove on behalf of on line of email? Sending email “As/On-Behalf” of another user Log into Office 365 via Outlook on the…

How would you save an attachment from an email you have received? To save the attachments, follow these general steps: Select the message or open…

How do I undo a Google app update? Fortunately, there is a way to downgrade an app if you need to. From the Home screen,…

What do you need to know about Database mirroring? For an introduction to database mirroring, see Database Mirroring (SQL Server). This section introduces a few…

How to run a Linux command every x seconds forever? How to Run or Repeat a Linux Command Every X Seconds Forever 1 Use watch…