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Lean Software Development
Is that default namespace in XML bothering you?
15-Jan-08 01:25 PM
I had one of my dev team members walk up to me some days back with this really interesting requirement. He had these XML files that contained similar information except that the elements were in diffe...
Get XML Nodes that do not have a specific attribute
10-Jan-08 10:26 AM
Alright after those design patterns, this one might strike as a real lightweight entry. Recently, I needed a method to identify all XML nodes that did not have a specific atrribute. Well, the first ap...
Template Method Design Pattern
18-Jan-08 01:32 PM
Consider a business application where your application receives data in different representations – XML, Text file, SQL data table etc. You need to print this data in a tabular format with a common he...
Singleton Design Pattern
18-Jan-08 01:31 PM
For this example, we will design an application to remotely monitor the temperature and memory usage of the PC. Each monitoring function runs in a separate thread and monitors corresponding elements t...
Adapter Design Pattern
18-Jan-08 01:31 PM
Let us extend our simulation game example and introduce some animals in addition to the Human characters. For example, Trained elephants or Elephants for short. These trained elephants share a common...
Facade Design Pattern
18-Jan-08 01:31 PM
The Facade pattern is probably one of the most frequently used design patterns. When a class requires the functionality derived from different classes, it is often useful to use a façade class that en...
State Design Pattern
18-Jan-08 01:31 PM
For this example, let us assume that we would like to design an application that simulates the interaction in a single character game. The character, in this game, can be moving on the ground, swimmin...
Strategy Design Pattern
18-Jan-08 01:31 PM
Consider the following example – We need to develop the framework for a game design (Age of Empires is a good example) that requires simulation of individual characters. Let us start this design by co...
Application Launch Directory
17-Dec-07 11:16 PM
A lot of Windows based applications generally require one or more files that are consumed by the application to be placed in the same folder hierarchy as the application. For example, if I need a coup...
Dynamic ComboBox in a DataGridView
16-Dec-07 01:11 PM
And here is the second installment. It is generally convenient to bind the grid column to a single datasource such that all dropdowns have identical items. However, certain applications require that t...
ComboBox in a DataGridView
16-Dec-07 12:49 PM
It is often useful to add a dropdown box in a DataGridView column. I will list a couple of methods that can be used to achieve this. Of course, your real world applications will differ in certain area...
Scrollbar on a PictureBox, Nah!
15-Dec-07 11:53 AM
The quickest way to add a scrollbar to a PictureBox is not to add one to it. Instead drag a Panel on the Form. Set its AutoScroll property to True...
Basic XPath Query
15-Dec-07 02:00 AM
Consider the following the XML segmen...
Multi Colored ComboboxListItems
14-Dec-07 10:43 PM
Requirement
Consider this, a list of Students and their overall performance. For the sake of this example, I will simply rate the performance at two levels
80% and a...
Remove Duplicate Whitespaces using Regular Expressions
18-Dec-07 03:46 PM
A quick way to eliminate duplicate white spaces from a string using regular expressions using VB.Ne...
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