Useful tips for everyday
When to use command substitution instead of backticks? Most shells in use today are POSIX compliant and support this preferred form over the archaic backtick…
How is data stored on an NFC tag? The data is usually stored in a particular way called NDEF (NFC data exchange format) encoding. This…
Why do we assume errors are normally distributed? Due to the Central Limit Theorem, we may assume that there are lots of underlying facts affecting…
Where does design fit into Scrum? Another very important prerequisite is, that designers have to become real members of the Scrum team. This means they…
What if sqlplus command not found? Answer: This says that the OS cannot find the program named sqlplus in its PATH. First, the Oracle Shell…
Can you upgrade 10s to 10? If you make the switch, you won’t be able to go back to Windows 10 in S mode. There’s…
What are the ranks in a group? The notion of rank of a group is a group-theoretic analog of the notion of dimension of a…
How do I control RGB led with Arduino? Connect the cathode of the RGB led which is the longer pin of RGB led to the…
Can you cast a boolean to an int? A boolean cannot be cast to an int. Convert boolean, int. A Java boolean is true or…
Does a hyphen make it two words? Hyphens connect two words to make a single word. Hyphens are also used to attach a prefix to…