Useful tips for everyday
How does a static body move in Box2D? A static body does not move under simulation and behaves as if it has infinite mass. Internally,…
What is TTL 40? IP packets Under the Internet Protocol, TTL is an 8-bit field. In the IPv4 header, TTL is the 9th octet of…
Can I use Tails on hard drive? Can I install Tails permanently onto my hard disk? This is not possible using the recommended installation methods.…
How do you open all pictures on a Mac? How to Open All Images Into One Window in Preview for Mac Open the Preview app…
What is the difference between df and du? df vs. du. The (very complicated) answer can be best summarized like this: The df command provides…
Who invented the z-transform? This transform method may be traced back to A. De Moivre [a5] around the year 1730 when he introduced the concept…
What are the assumptions for repeated measures Anova? Assumptions for Repeated Measures ANOVA Independent and identically distributed variables (“independent observations”). Normality: the test variables follow…
Does a VPN protect you on a public network? Generally, a VPN is an important security measure to have in place. But there is a…
How does light relate to time? Light travels at a constant, finite speed of 299,792,458 metres per second and is an universal physical constant. Space…
Can you query multiple databases? In summary, if all your databases are on one server instance, then multiple database querying is as easy as prefixing…