Software Development Forum

This is a test to get the Python snippets going! For those of you who are scared of snakes, the language is named after the TV program, not the snake. Python is an interpreted language, but programs to compile/combine the code to an exe file are available (Py2Exe). The latest …

Write a C program to Remove even numbers and fill it with zeros. Note: You can use only one loop for your logic. Two variables apart from the array. Input array 1,2,3,4,5,6 Output 1,3,5,0,0,0

Hello all, I have started an new project which needs a Fibonacci sequence (all Fibonacci numbers below 4,000,000) Here is my code for calculating Fibonacci numbers: numbers_list = [] number1 = 1 number2 = 2 total = 0 while (total < 4000000): total = number1 + number2 number1 = number2 …

**Modifications Required for VB6 Applications to Work on Vista/7** Thanks to Hassan Basri in VBForums **Application Changes** - Remove SendKeys calls and replace them with API code. - Use the HKEY_CURRENT_USER in the registry for the settings of your application. - Do not write to HKEY_LOCAL_MACHINE. - If you are …

I have joined the thousands who have done it before, and have compared a number of sorting routines. The sorting is done on the same random-integer arrays. No surprises, quicksort wins this simple comparison hands down. There are clever combinations of sorting routines that are faster, like the snippet by …

A few hundred years ago the glorious leader of a big country wanted to reward the creator of the chess game. The creator of the game simply wanted one grain of rice put on the first square of the chessboard, two grains on the second, then doubling it for every …

I needed a random color selector. I found one [here](http://peepspower.com/python-script-to-generate-random-css-colors). I rewrote it to make it more general purpose. "f_GenRandomColor" is the picker. The output is in list form, which should make it suitable for most general applications. "f_HTMLRandomColorChart" is just a way to create an HTML table to test …

Let's assume you would have to design a 500 ml (about 1.1 pint) food/beverage container like a can and use the least amount of material. Here is a Python program that explains the steps to achieve this.

So I was recently working on a string program where the strings were easily megabytes long, and I ran into problems with there being out of memory exceptions etc. So I said to myself, this would be a perfect problem which lazy execution solves. Here is a split function that …

This shows you how to create a flashcard like quiz game using a Python dictionary. It's up to you to explore the approach and make this a more meaningful game.

Addressing last weeks Securi-Tay conference hosted by the Abertay Ethical Hacking Society in Scotland, Stephen Tomkinson from the NCC Group detailed how Blu-ray players can do more than play videos; they can open up a new attack surface for the hacker. Tomkinson demonstrated a new tool that had been released …

A simple code example on how to play wave sound files with the Python module PyGame.

Using http://download.geonames.org/export/zip/ you can get postal information for most countries in the world. The raw data string can be transformed into a Python list of lists that can be searched for zip codes, locations, longitude and latitude coordinates.

Just a small mildly optimized function to check if an integer is a prime number. For very large numbers use the Miller-Rabin primality test. There have been questions why I used `not n & 1` to check for even integer n. The more tradional` n % 2 == 0` is …

If you draw a series of close spaced shapes your eyes get fooled to see Moire patterns. Here is one example of this.

hi guys , first of all merry Christmas and happy new year since there have been many discussions about favorite idle for python , al sweigart is trying to improve python's own idle and everyone is invited to help out and since this is the best python forum I thought …

This is a program I wrote for my x86 assembly class which is basically the Spade Invaders game in all its glory. It uses Irvine32.inc which came with the textbook.

An example how to use Tkinter's OptionMenu() as a combobox to allow one year to be selected from an option list of let's say the past 15 years.

Just the very basics on how to draw a rotated text using the Python GUI toolkit PySide (public PyQt). Please experiment and embellish.

I work with images...a *lot*. Often this involves image processing of various types such as resizing, resampling, and various cleanup operations. However, a common issue is that people like to conflate Adobe PDF with images. As such, any application that works with images should also work with PDF. However, since …

As usual, after learning new stuff, I write on it. Yesterday I finished learning on "Functions in C++" and found that functions are very easy to learn and useful. Hope this tutorial helps beginners. # What is function? # Sometimes when we want to execute a specific task wherever it's …

String input has changed from Python2's raw_input(prompt) to Python3's input(prompt). The old Python2 numeric input(prompt) has gone away with Python3, all input is now string input. The snippet shows a few lines you can add to your program such that you only need to use input(prompt). This makes your code …

The idea of this thread is to help the beginning wxPython GUI programmer with hints and helpful code. Please feel free to contribute! If you have any questions start your own thread! For info on wxPython modules see: http://www.wxpython.org/docs/api/wx-module.html

Hi Dw community I don't know whether it me or, but there is something a bit wrong that keep on happening so I think we should remember that we were all a students once and if we didn't work harder and put much effort in practicing code we wouldn't know …

The Pyside GUI toolkit (public PyQt) lets you bring up an interactive web page with its QWebView widget. Here is a simple example.

The portable version of Python (versions 2.7 and 3.2 are available) can be run from your hard drive or a flash drive. In many ways this makes your live easier, since a lot of libraries are included already. Also, you can take your code to a friend on a flash …

I want to connect my access database to my project in vb 6. What are the steps i should follow? Once i'm done with that, i want to know how to drag them and place them on a form (like the way we do it in VB.NET). Thank you

This program takes a text string and creates a list of words. Any attached punctuation marks are removed and the words are converted to lower case for sorting. Now you can generate a dictionary of the words and their frequencies. The result is displayed using a sorted list of dictionary …

Often times it is useful to instrument a program you do not have the source to in an attempt to learn more about it. This can be for debugging purposes, blackbox testing, or for providing alternate versions of common functions/libraries (to name a few). On Linux, there is a very …

Hi, You can simulate this by starting a new WinForm app. Add a datagridview and add some columns. Add a contextmenustrip, add a menuitem, doubleclick it to get a clickhandler. Attach the menustrip to the datagridview in the properties window of the DGV. Then refer to this code and the …

This small script named `sourcecode.py` is a command line tool to open a python module's source file with the default editor. For example the line $ python sourcecode.py xml.dom.minidom opens the file minidom.py from the python distribution with the default editor. The same works with user-defined modules having a python …

This snippet shows how to find the complex roots of a polynomial using python (tested with python 2.6). You need the scipy or numpy module.

Here is a simple Polynomial class. Its purpose is to show how one can [B]simply [/B]create a Polynomial class without using abstract datastructures such as linked lists etc. Each term is printed out in order of its power - from highest to lowest. Inspiration was taken from a Java source …

This handy little utility determines the size of a folder and it's subfolders in MBytes.

These programs are not perfect and very coarcenes but I think it understandable for who are new to learning Graph Theory. I will point directly each problem by using example code. Any questions or idea please post here. Thank you. Here are my programs, we will start with a basic …

Hello everyone! I am posting this code for anyone who may be having issues with connecting to a database. Feel free to use this code as you wish. This will be using the OLEDB library. [CODE] 'Imports Imports System.Data.OleDb Public Class Form1 'Declarations Dim con As OleDbConnection Dim cmd As …

Here's a small piece of code in python that may be helpful to those who like to play with substitution ciphers..... Say we have a text that is ciphered with simple [substitution cipher](http://en.wikipedia.org/wiki/Substitution_cipher), and say we know that the original text contained a certain phrase...but all we have now is …

I've been working on a Textbox that only accepts 0-9, Decimal Point, and the Backspace Keys. Also keeps it in the base form 0.00. Max value is 999999.99 can be set as needed. It works as expected, but I have to ask if I have remade the wheel. This sub …

Shows you how to play sound files with the pySFML module and Python.

Hey everybody, Lately I have written the game Hangman in many different languages (C, JavaScript, Java and PHP so far). Here is the code snippet for Java! It uses a words file, on the bottom of this post you will see a small example of a few words. The source …

I made this minesweeper game earlier this summer. It shows many things, including: array use, 1D array to 2D array, gridlayout, changing the way a JButton works depending on mouse button used, floodfill, loops, GUI. slightly long, 382 lines, can probably be condensed. There is one known bug that i …

Shows you how to create multiple Tkinter buttons in a loop, each with its own name, label and command response.

Just a simple image file slide show using PySide (PyQT).

Using Python module turtle to draw a Koch snow fractal.

Yes, I know Fibonacci(=sun of a good man) again. Most famous for his series, but who among you all, know that he was the man who introduced to the Western world, the Arabic numeral system(including zero) in 1202 A.D.? The Italian merchands of those days adored it. It was far …

Sir, I wanted to know the implementation code for krushkal algorithm in C++. Anyone can help me to give the code. ThnQ

A simple way to find duplicate words in a text. In this case the text is preprocessed to eliminate punctuation marks and set all words to lower case.

This program uses Python module re for splitting a text file into words and removing some common punctuation marks. The word:frequency dictionary is then formed using try/except. In honor of 4th of July the text analyzed is National Anthem of USA (found via Google).