Useful tips for everyday
Does bash use fork? Generally, a Bash builtin does not fork a subprocess when it executes within a script. An external system command or filter…
How do I get Google to open an image in a new tab? Oh, and if you don’t mind a couple of extra mouse clicks,…
How does PostGIS support Simple Features for SQL? PostGIS supports all the objects and functions specified in the OGC “Simple Features for SQL” specification (SFS).…
What are the different types of ESD protection devices? An ESD protection device protects a circuit from an Electrostatic discharge (ESD), in order to prevent…
What is it called when something is in order by date? Chronology (from Latin chronologia, from Ancient Greek χρόνος, chrónos, “time”; and -λογία, -logia) is…
How do you scale a rectangle? The scale factor of rectangle LMNO to rectangle STUV is 3. That means that the second rectangle is 3…
What are some resources in the community? Table 1. Types of basic community resources Community or civic center Convenience store Daycare center Fire station Fitness…
How many transistors does a 555 IC have? 25 transistors Design. Depending on the manufacturer, the standard 555 package includes 25 transistors, 2 diodes and…
How do I move a folder backward? File & Directory Commands To navigate into the root directory, use “cd /” To navigate to your home…
How do you find the center of origin? The equation of a circle with center (h,k) and radius r is given by (x−h)2+(y−k)2=r2 . For…