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You can download the matplotlib free from: http://matplotlib.sourceforge.net/
It has, amongst many other things, the module pylab that allows for high quality plotting of data. All you have to do is to feed it a list of x values and the corresponding list of y values calculated from the x data... (View Snippet)
Python uses C syntax to perform bitwise operations. Take a look at code that introduces you to bitwise operations at the binary level. (View Snippet)
Yes, you can let your computer read text to you. The task is relatively easy, if you have Windows on your machine. All you need is Microsoft's speech-API SAPI, the Python Text to Speech module pyTTS, and an updated version of win32com, all free downloads. Here are some experiments with the pyTTS... (View Snippet)
The set is an unordered collection of unique hashable elements. All the elements/items in a set are treated as keys. There are several functions that compare two sets. Right now, I will just give you a taste ... (View Snippet)
Crypting with xor allows one to write one function that can encrypt and decrypt a file. In this example a text file is used, but it could be an image file as well. Once you have created the encrypted file you simply send it through the same function again to decrypt it. The password is looped... (View Snippet)
The Fibonacci series of numbers was used by Leonardo of Pisa, a.k.a. Fibonacci (around the year 1200), to describe the growth of a rabbit population. The series has been noted to appear in biological settings, such as the branching patterns of leaves in grasses and flowers. We take a look at two... (View Snippet)
One more application of the Python Image Library (PIL). This short code creates thumbnails from all JPEG files in the current folder. The thumbnail image file is prefixed with a T_ and saved to the same directory. The program checks for existing files with this prefix, so we don't create T_T_... (View Snippet)
Using wxPython and the Boa Constructor, a VB/Delphi like IDE and Visual Builder, this little calculator was a breeze to make. Boa did 90% of the code generation, and I simply added code to each button click event to make the calculations work. I wish every project would go that easy. Take a look... (View Snippet)
A permutation is the arrangement of a set of items in different order. One interesting application is the rearrangement of characters in a word to create other words. If all the n characters are unique, you should get n! unique permutations. You can make a list of words unique by converting it... (View Snippet)
Jumping through a few extra hoops allows you to display the common image format jpeg on a panel of the wxPython GUI window. All you need to do is to read in the image file as a binary, convert to a byte stream image and then to a bitmap. Now you can display the bitmap. An updated simpler way... (View Snippet)
