Miscellaneous

What is steady state heat equation? Definition: We say that u(x,t) is a steady state solution if ut ≡ 0 (i.e. u is time-independent). If…

How do display servers work? A display server is a program which is responsible for the input and output coordination of its clients, to and…

Why are some pics sideways? The reason your photo would appear this way is because the photo was taken vertically and the image file itself…

How do I select different layers in Inkscape? Ctrl+A: Select All: Selects all objects in current Layer. Ctrl+Alt+A: Select All in All Layers: Selects all…

How do serial ports work? Serial ports lower cable costs and make cables smaller. Before each byte of data, a serial port sends a start…

What happens when you merge a branch into master? This will change the active branch to the new branch. At this point, commits can be…

What direction does current flow in a transistor? Current freely flows from collector to emitter. Cut-off — The transistor acts like an open circuit. No…

How do I mirror my iPhone 7 to my projector? Get connected Plug your Digital AV or VGA adapter into the charging port on the…

How do you focus a window in Windows? Quick Windows Tip for Switching Focus with Your Keyboard Press Windows+M to minimize all the open windows…

Should you mock in unit tests? Mocking is a very popular approach for handling dependencies while unit testing, but it comes at a cost. It…