Useful tips for everyday
Why does my iPhone compass not work? Disable ‘True North’ setting. If the compass on your iPhone is set to show the geographical North it…
How do I reactivate my USB ports? Enable USB Ports via Device Manager Click the Start button and type “device manager” or “devmgmt. Click “Universal…
How do I rename a hidden file? To hide a file, rename it with a “.” at the beginning of its name. For example, to…
How do I install Linux on a new hard drive? How to Install Linux from USB Insert a bootable Linux USB drive. Click the start…
Can we download Web apps from Play Store? Google Play Store now open for Progressive Web Apps 😱 Chrome 72 for Android shipped the long-awaited…
How do you prove partial correctness of an algorithm? Partial Correctness: If inputs satisfy the precondition P, and algorithm or program S is executed, then…
How to deal with slopes in platformer physics? Tile number two is empty, so we need to check the tile below it and see if…
How do I add a Strict Transport Security header? Procedure Add the Header directive for Strict-Transport-Security. The following example Header specifies useful options for defining…
How do you store user sensitive data? Five Ways to Protect Sensitive Data and Keep Your Database… Use certified encryption solutions to protect cardholder data.…
What is OCL notation? The Object Constraint Language (OCL) started as a complement of the UML notation with the goal to overcome the limitations of…