How to Plot Scatter in Numpy 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, …
How to Extract Multiple Columns from NumPy 2D Matrix?
The numpy package is a powerful toolkit for Python. With numpy you can easily do matrix (like Matlab), plot and do other data/numbers/statistics. Suppose you have a two dimensional …
How to Compare Version Number String in C#?
In software engineering, the version number usually comprises of 4 integers separated by dots. For example, 1.0.0.2. Version comparison is usually carried out from left most to the right …
Using AT keyboard on modern PC using AT-PS2-USB connector
Some pretty old keyboards are connected to AT port, which looks a bit bigger than PS/2. The 8-bit famicom clone SB2000 has a very nice keyboard, but it is …
How to Convert JPEG to BMP and BMP to JPEG in Object Pascal / Delphi ?
The BMP is uncompressed image file type, which is major supported in most devices (especially legacy devices). It contains almost raw image pixel data (e.g. 24-bit, RGB). The JPEG …
How to Get File Size in Bytes using Delphi / Object Pascal ?
If you want to get the file size in bytes for a file, you can use the following function in Delphi/Object Pascal. // maxium supports 2G function getFileSizeInBytes(const fn: …