On a Mac, there is a Grapher.app which has many functions like: ordinary graphing, polar graphing, lin-log and log-log graphing, 3d graphing, derivatives,...

psql -U postgres -h 127.0.0.1 postgres I am using the above command to connect to the postgres running on my system. It asks for password Whereas I have s...

I am sure a directory file has much less information than 4096 bytes. I know the sector size is 4096 bytes. But normal files smaller than that do exist. W...

I'm trying to create something that looks like a large touch screen, which I intend to angle at 45° to the floor. I.e. imagine how you might arrange ...

I'm using the following egrep invocation as a filter for an ant build: egrep '\[.*\]|BUILD|time\:' The build.xml file has a huge number of ...

I'm trying to install Arial fonts on CentOs 7 or a fonts pack containing such fonts, preferably using a yum command. I haven't found any guides ...

Ok, I know the loop part is invalid, but hopefully helps give an idea of what I want to do. Ultimately, I want to get prompted for the 3 values (commented...

Say I was using Chrome Remote Desktop and remotely killed the host process on accident, causing me to get kicked off. However I still have SSH/terminal/co...

My brand new Windows 8.1 computer is dead and only shows a cursor on black screen when booting. So I need to boot into safe mode. I thought pressing F8 wo...

How do you generally proceed for your package installations on Linux, for packages that are not part of your distrib's repos? On my side I am used to...