Tag: python

The Scatter Plot is often used to show vivid relations between two variables. Plotting is made very simple and easy in Python using numpy and matplotlib.pylab package. To demonstrate, …

*.so files under Linux are similar to *.dll on windows. They are both shared library, which contain commonly-used functions/classes. The shared library can be loaded into memory whenever needed …

If we want to know whether a given string has repeated characters, the simplest way is to use the existing method of finding first occurrence from the end of …

Polish notation/expression is also known as ‘prefix notation’ where the numbers are preceded by its operator (placed in the front). For example, “3 * 5” transformed to polish notation …

Python programming language provides a neat syntax to reverse a string, tuple (a read-only list, immutable) or a list (array).  The syntax is var which returns a reverse copy of the var. …