Useful tips for everyday
What is watchdog in embedded system? A watchdog timer is a piece of hardware that can be used to automatically detect software anomalies and reset…
Why does my touchpad work but not my keyboard? Try holding down the Fn key and press the F1 key to see if the touchpad…
How reliable is the Jaguar I-pace? The Jaguar brand finished a disappointing 21st out of the 31 manufacturers surveyed in the 2020 What Car? Reliability…
How do you make a shape go behind another shape? Click on the shape and try CTRL-SHIFT-] to “Bring to Front”. CTRL-] will “Bring it…
What do colors mean in a map? Physical maps use color most dramatically to show changes in elevation. On physical maps, blues are used for…
Where are ceramics found? Ceramics can be found in products like watches (quartz tuning forks-the time keeping devices in watches), snow skies (piezoelectric-ceramics that stress…
How do I overlay one picture on top of another? Right-click anywhere on the image and choose “Paste” from the context menu. The previous image…
Why is composition important in music? Musical composition can be a deeply personal form of expression, helping to build confidence and self-respect, increase musical skills…
How to deal with concurrent updates in databases? Table can be modified as below, introduce new field version to handle optimistic locking. This is more…
How do you describe a binary tree? In computer science, a binary tree is a tree data structure in which each node has at most…