Useful tips for everyday
What is PHPExcel library? PHPExcel is a library written in pure PHP and providing a set of classes that allow you to write to and…
How to get visually selected text in vimscript? Yes, this seems like a pretty glaring omission. You should be able to fake it by finding…
How do I allow only certain websites and block all in MikroTik? MikroTik Firewall Rule to Allow a Group of Websites Go to IP >…
How do you have multiple terminals on a Mac? To open another Terminal window in Mac OSX, simply hit cmd + T from the command…
How do I get out of crontab Edit mode? Setting Up a Cron Job press esc. press i (for “insert”) to begin editing the file.…
How can you set environment variables from the command line? Windows In Search, search for and then select: System (Control Panel) Click the Advanced system…
What is repeated sampling in statistics? In repeated samples, the same subjects are tested under different conditions. For example, the weight of 10 adults is…
How does a DC / DC boost converter work? The diode rectifier, D1, is reverse-biased during this time interval. When the switch turns OFF, the…
How do I fix NTFS permissions? Launch the command prompt as an Administrator and navigate through the tree of folders you need to fix. Then…
How do I fix my iPhone camera and flashlight? Try the below steps: Remove your iPhone from the case. Clean flash and lens. Tap the…