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 | Test Driven Development (TDD) is the amalgam of two programming techniques: Test-First Development (TFD) and Refactoring. Looking at the first of these, TFD literally means that before you write some functional code (in whatever programming language you happen to favor) you first write a small piece of code to test … |
| | [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.  |
 | Below is a documented code example showing how to use the SQLite3 class to connect and query your database (and check for errors). IMHO using PDO is a better alternative, as this extension uses mixed technology in a non-standard way (objects, arrays and exceptions). If there are any questions let … |
| | Below is a documented code example showing how to use the SQLite functions to connect and query your database (and check for errors). Please note that using the SQLite extension is NOT RECOMMENDED. This extension is no longer available in PHP 5.4.0. If you want your scripts to be future … |
| | This demo will show a PHP script using a Smarty template. It assumes basic installation. In the folder where you copy the script, there should be a smarty folder containing the Smarty files. You should create a writable `cache` and `templates_c` folder, and a folder called `templates` where the `.tpl` … |
 | 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 |
 | According to the boffins at Kaspersky Lab, users of Android devices running Gingerbread (Android 2.3.6) and Ice Cream Sandwich (Android 4.0.4) are targeted the most by cybercriminals. Gingerbread accounted for 28% of all the attempts to install malware that were successfully blocked by Kaspersky, while Ice Cream Sandwich accounted for … |
| | 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. |
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 | IE9 is on the horizon, and there has been plenty said about it. But what about its web development aspects? In this article I look at its web developer tools, and decide whether I'll start using it in my own web development. Like most web developers, I abandoned IE several … |
| | This snippet defines a `dir()` function which extends python's builtin `dir()` function by adding options to filter the returned sequence of strings by the means of regular expressions. The main use case is live inspection of python objects and modules during an interactive session with the python interpreter. The idea …  |
| | I am exploring some of the PySide (PyQT public) widgets like the combo box, and how colors are applied ... |
| | Below is a documented code example showing how to use the [PDO](http://php.net/pdo) classes/objects to connect and query your database (and check for errors). If there are any questions, or you want to see different features, let me know. UPDATE: I've encountered a problem with PDO and bit fields (MySQL). If … |
 | Hi everyone, I'm sure there are people who are using highCharts framework. I'm having a trouble passing the values to jquery code from PHP json. Your help is so appreciated. This is my php section <?php header('Cache-Control: no-cache, must-revalidate'); header('Expires: Mon, 01 Jan 2013 00:00:00 GMT'); // The JSON standard … |
| | Hi I'm trying to figure out how to `<input> $radius` and `echo $pi` without using a **DB**. This is a simple example how this calculate `$pi` which you can run and see how it works: <?php $pi = "3.1415927"; $radius = 8; echo $pi * ($radius * $radius); ?> The … |
 | # This is a simple HTML String Sanitizing tool. # ## It allows a highly rich,- but safe - html content input to be published on your pages. ## **The script code is very light and to some degree customizable.** * This function takes care of blacklisted tags, which are … |
| | I need to figure out how to append an int to a string, so basically i need to convert the int to a string 1st, but I cant figure out how. :rolleyes: any help would be greatly appreciated. thank you, courtney |
| | Hi I been doing some research on **PHP Frameworks**. I want to know what other Daniweb members used as **PHP Frameworks**? I'm still new to understand how it works but would like to know which one will suit my skills, so I can built on ... to move forward to … |
 | How the following code can be rewritten in a better way? #!/usr/bin/env python """Simple program for finding popular names over last 100 years, in response to vegaseat's last post in Projects for Beginners(9/1/2012). It first lists the popular names and then search for entered name by user""" oldnames = """Mary,Helen,Margaret,Anna,Ruth … |
| | I am trying to write a code that is giving me a great deal of problems. **The program challenge is as follows:** Write a program that asks the user for the name of a file. The program shold display the contents of the file on the screen. If the file's … |
| | Just a simple text editor using the Tkinter expansion TIX. You are encouraged to improve this program with added functions. TIX is included with the latest Python distributions.  |
 | I recently applied for a PHP programming job and they required me to do a coding challenge. One of the challenges involved simulating the card game war which I found intriguing. I "over-engineered" it as they requested, but I still don't think it was good enough for them. Is there … |
 | If you are a non coder that wants the easiest book to start with, something very simple, easy to read and short , that can take you step by step in learning the basics of python in a few hours then you may like the book I have created for … |
| | Hi I want to find out is there a way to check syntax errors on PHP. I went to this site http://php.net/manual/en/function.php-check-syntax.php but I didn't quite understand the example in there. Is there a software that I can check the errors. I used EasyPHP, WAMPP. I appreciate any links or … |
| | The aim of this tutorial is to save burgeoning self taught developers some of the early pitfalls that lurk on the road to programming enlightenment. It will attempt to do this by distilling the last 50 years of software engineering philosophy into a relatively short single tutorial, applying the concepts … |
| | This code was inspired after several discussions on the forum, and I'm especially indebted to PyTony for all of his help with these aspects. The motivation behind this code is quite simple. I wanted a robust, light and general way of storing CSV data that could be used over and … |
 | Hello, I'm starting on Assembly and i want to know how i can clear the screen in Assembly, because of my OS. When i run it in Bochs, that boot messages are there and i want to clear they, for a better visual of my OS. Thanks, Nathan Paulino Campos |
| | You have to mildly trick Windows, but it is possible to put a bitmap image on your console. Uses a flock of WinApi calls. Works well with the free PellesC compiler and Dev-C++. This is a Windows Console Application. Drop me a comment, if you have luck with another compiler. |
 | I started using Python a few weeks ago, something finally clicked and I started writing tools for my personal use. I started writing something with a GUI using GTK and the code lines started multiplying rapidly, so I thought to myself "Am I commenting my source to death? How many … |
| | Hi, all. I am trying to clear the console window without using the "os" library. This seems like the only way to do it: from os import system import time print "I will clear the screen in 2 seconds" time.sleep(2) system("cls") print "*Cleared Screen*" SystemExit() But the problem is, this … |
 | While not terribly difficult, first timers may not know the functions to look up and use. Here is some basic code for reading a file one line at a time. The contents of the file are printed to the stdout. |
| | Hey everyone, I tried testing this code if it is true or not. But,apparently, it is indeed true. So, it is not like referencing an element in array and changing its value. Can someone explain it why this is exceptional with numbers, please? var a = 3.14; // Declare and … |
 | I have been looking over current frameworks available and I am looking to settle on CodeIgnitor. What framework and IDE do you use? What are the plus sides, limitations of your choice? |
| | This code snippet allows you to list the files in a folder sorted by "last modified date". The tuple returned by the os.stat() function contains amongst other things the last modified date, which is then converted by the time.localtime() function to a tuple that is ideal for sorting. You can … |
| | please answer the code for string to double and string to long in c bye  |
| | Hi I am trying to run a query where the user enters a number, and it searches the table for it and displays any results within 50 of that search. e.g. user searches for 500, anything from 450-550 would be shown. I have the code for showing an exact result … |
| | Actually im creatg a website as a project so how to create database ,and connect asp page to C# code, hw to change template plzz help |
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