Software Development Forum

Just a little fun with Python's named tuple, behaves like a class but is much leaner.

Applying the famous Gauss algorithm to determine the date of Easter for a given year.

Using the PySide GUI toolkit will make selecting, copying and pasting encrypted and decrypted text somewhat easier. Not ideal yet, but it will be a good start for those of you who are not very familiar with GUI programming.

Simple Encryption and Decryption Function using rijndael algorithm. Imports this: Imports System.Security Imports System.Security.Cryptography Imports System.IO Imports System.Runtime.InteropServices Imports System.Text.RegularExpressions Imports System.Text Source : [snipped]

This short snippet shows you how to preprocess a text to remove punctuation marks, then do a word frequency count using Counter() from the Python module collections. Finally, two sorts are applied to display words with matching frequency in alphabetical order.

Am developing a software for submission as project. As a part of it, am planning to create a Phonebook package. I created a database in access and i integrated it in VB.Net. Information: Database name : Contacts.accdb DataTable : Contacts Contents in table : First Name,Last Name, Phone, Address... Platform …

Hello to all, I'm have been porgramming console applicactions in C# to learn the language. Today I was curious in windows forms, and started a project. After searching in the web/youtube I see people putting all the code on the button code(when doubble click), BUT I saw there the same …

Uses the PySide GUI toolkit's QtMultimedia module to play a specified sound. You can change frequency/pitch and volume of the sine wave.

#I am not grasping this exercise; Please help with some explanations. Q: Write a method that accepts an array of numbers as a parameter. The method should multiply each number by five, and display the results. Call this method, passing to it an array of any three integers. THIS IS …

this is a very simple app the helps yous to keep track of time. It says the time very 15 minits, by the way you can change it. it uses pyttsx which can be dowloaded and install. copy this code and save it as sayTheTime.pyw and double click it. it …

Java SE JRE 7 update 21 is now available, with fixes for dozens of security-related issues. Immediate installation is highly recommended. Head on over to Oracle's Java download page and grab it now. There is also a version for Java 6 users, if any such animals still exist.

Hello. This code snippet is a basic calculator. The general concept is that the calculator accepts infix expressions as strings, converts them to reverse polish notation by way of the shunting-yard algorithm and then evaluates the resulting expression. I tried to encapsulate the functionality of each piece so that, in …

Can Anyone here can tell me How to create a Date Picker in MS EXCEL using MACRO. And Binding it with a Button onClick Event. Thank You

hi!guys i hope you all will be fine . Today i want to know from you about the Java Application? According to my views or my knowledge may be i am wrong.There are two types of application in java which is **1. Java Stand-alone Application 2. Java Applet Application** I …

Hi, I just started learning python a few days ago...and I'm already stuck on something easy TT.TT I have a Tab-Separated-Values data.tsv file that contains 3 columns (country name, area, and population). here's a snippet of my current tsv file country area population MACAU 28.2 578025 MONACO 2 30510 SINGAPORE …

Here's a simple thing that I can't find a simple solution for - so any suggestions will be very welcome... I have a `Map<String, MyClass>` and if it has more than 1 entry I let the user pick a MyClass instance by displaying the keys. No problem there. If it …

Scientists and deficit spenders like to use Python because it can handle very large numbers. I decided to give it a test with factorials. Factorials reach astronomical levels rather quickly. In case you can't quite remember, the factorial of 12 is !12 = 1*2*3*4*5*6*7*8*9*10*11*12 = 479001600, that is 479 million …

Upon resizing an anchored combobox - I noticed the text was always selected. This sparked the initiative to fix this problem. (Microsoft decided not to) So by extending the combobox class we can fix this. The following class can be dropped into a form for designer manipulation or as a …

I'm planning to develop a system that can connect through online sql database and a website connected on the same sql database.. Can anyone help me.. Please response..

According to new research from Kaspersky Lab, in the form of a report called [Evaluating the threat level of software vulnerabilities](http://media.kaspersky.com/documents/business/misc/Kaspersky_Lab_Report_Software_Vulnerabilities_final.pdf), 72% of Java users haven't switched to the latest, safest, version despite highly publicised vulnerabilities and resulting security exploits.  And it's not just Java, the report also …

This shows the code for one simple crypt of text by swapping two adjoining characters each. You can make that more complex if you like. Can also be used for one nice riddle.

I was proposed a project that sounds like this. Consider a set of logical gates like AND, OR, XOR or NOT. Allow for building any logical circuit by connecting such gates. Provide input (0/1) to a number of gates and collect the results at the output of some of the …

These are (I guess) the most basic printing instructions in C#, to let some printed paper coming out of a printer. Start a new Forms application, drop a ComboBox, a Label and a Button on the form. Implement a form Load and a Button Click event and fill in the …

One of the things I have been steadfastly avoiding is writing code to print stuff. Most of what I want to print is from withing apps like Outlook or Word that already provide that functionality. But I finally ended up having to bite the bullet. What I ended up with …

I am trying to use such a hexadecimal floating constant "0x0.DAB789B" in java but it gives me java.lang.NumberFormatException. How can I convert hexadecimal float constant to decimal? I know how to convert hexadecimal **int** constant but that does not work for float constant.

I've needed to write sample code using conio.h over the years, but my compilers don't support all of it (most notable being clrscr() and gotoxy()). So I wrote a conio simulator class to help me. Not all of the conio.h functions are present, such as cgets() and cscanf(), because I …

A function to take a text and extract the string between two given substrings. Allows you to find the nth occurence. Also safeguards against dead ends.

Notice that if you negate a boolean value with `not` in comparison with other boolean value or similar, you should put it inside a pair of parenthesis, otherwise you get syntax error: >>> 0 == not 1 SyntaxError: invalid syntax >>> 0 == (not 1) True >>>

C++ conversion of [this C snippet](http://www.daniweb.com/software-development/c/code/445012/simple-interactive-menu) for a simple interactive menuing system. The code shows three files: * menu.h: The header file for the menu class. * menu.cpp: Implementation of the menu class. * main.cpp: A sample driver that uses the library. The menu library is fairly generic in that …

If you draw shapes that are closely spaced and shifted, you can create interesting interference patterns, so called moire patterns. Here is an example using the Python module PyGame to do the drawing.

If you want a window with a menubar, toolbar, statusbar, dock and central widgets, you can use the PySide GUI toolkit's QMainWindow. To use the more traditional box and grid layouts, you simply add a QWidget instance as the central widget. Here is an example.

[B]Introduction[/B] Hello everyone. This little code snippet shows you how to read in scan codes from the keyboard. It is slightly different than reading in a regular character. When you use the [INLINECODE]getch()[/INLINECODE] function, it is normally returning an ASCII value. Some keyboards have extra keys though. These include the …

A Python code example to find an approximate value for x in f(x) = 0 using Newton's method.

Hello all. I'm currrently working on a GUI that needs to support dragging some application-specific objects from a selection area onto a work area (JPanel). It's currently working in a "click where to place the object, then click the Add button" mode, but that's not good enough. The obvious approach …

I'm trying to write a simple program that detects when files are changed in a folder (for another question here). It has a standard Windows with a TextBox and a couple buttons. Upon program start it calls .NET function FileSystemWatcher then sets up four event handlers for it. What I …

hi I'm trying to sort 3 numbers from lowest to highest that the user enters...ex ...2 , 4, 6. I have a problem with finding(calculating the middle) number. this is what i have [CODE]//create a Scanner Scanner scanner = new Scanner(System.in); //Prompt the user to enter three floating-point numbers System.out.println("Please …

This snippet is easy: it defines an immutable wrapper around a sequence type (list, deque, etc) which allows a class, function or module to expose a read only version of a sequence to the outer world. A constant wrapper around mapping types could also be defined in a similar manner.

How to connect a vb6 executable files to A website?

Generators are essentially dynamic sequences, making their official debut in Python 2.5. That got me to thinking: can we make a circular list with them? Why yes, we can...

An approach to create multiple GUI buttons (or other widgets) using list comprehension. In this case I used the Tkinter GUI toolkit that comes with the Python installation.

Well Guys! I was learning how to read and write class objects from & to file respectivily. And here is a small code that i made...... As far as the code goes its all well.... And i am getting what i want.... But what i want to know is, **where …

Just a small example showing how to draw circles with PySide (public PyQT). I used LightShot to capture the display, which gives you a link to the picture. http://prntscr.com/kw6b6

I thought i would share this with the community wrote most of it in school but the ai i wrote at home enjoy!

hi, I'm trying to calculate the percentage of an ammount of boxes in C. Ex: 4400. I have the next code: [CODE=c++]#include<iostream.h> #include<conio.h> main() { double a=2400; double b=8000; double per=0; per=2400*100/8000; cout<<per; getch(); } [/CODE] and return a negative value. I try to asign values at differents variables like: …

Hi, can anyone help me with my code? Im trying to reverse my string using stack... but when it compiles and put in a string and press enter... nothing happens... Any suggestions? [CODE]#include <iostream> #include<stack> #include<string> using namespace std; int main() { stack <string> s; string a; cout << "Enter: …

hi, this is the code: #include <stdio.h> main() { int m1, m2, m3, m4, m5, per; printf("Enter marks in five subjects\n"); scanf("%d%d%d%d%d",&m1,&m2,&m3,&m4,&m5); per=(m1+m2+m3+m4+m5)/5; if(per>=60) printf("first division\n"); if((per>=50) && (per<60)) printf("second division\n"); if((per>=40) && (per<50)) printf("third division\n"); if(per<40) printf("fail\n"); } this is the output for: [root@localhost lbin]# gcc -o division division.c …

This Python Tkinter GUI toolkit code draws a shape, and shows you when and where the mouse has been clicked within the shape.

This sets the textbox for only numbers