Posts tagged ‘C Sharp (C#)’
One of my recent projects was to build a POV display device. There are already many microcontroller based POV devices out there, but most of those I have seen use around eight LEDs and have fixed font types. So I thought of developing something that is larger (e.g. using more LEDs) and more flexible (e.g. can display both text and images). Continue reading ‘POV And POV Image Encoder’ »
Sometimes a group of concurrently running threads may need to rendezvous at a certain point in time before they can further proceed. This situation commonly arises in areas like event simulation, where the events are synchronized via a clock event (see illustration below): Continue reading ‘A Simple Thread Barrier Implementation’ »
I am running Ubuntu 9.04 64bit. One thing I noticed is that the integrated debugger is behaving quite flaky for the included Monodevelop 2.0 package. After some research, it turned out that a lot of people are having similar issues. Continue reading ‘Monodevelop on Ubuntu 9.04’ »
Even though multi-core processors are almost ubiquitous nowadays, applications are slow to catch up. Of course, one could always re-write the applications in order to take the full advantages in a multi-core environment. But it is not an easy undertaking. Continue reading ‘Poor Man’s Parallel Task Dispatcher’ »
In my previous post, I discussed how to merge and split a two level tree. Before moving on to discuss its applications, let us take a look at the output of the sample program I gave before. Continue reading ‘Two Level Tree and Its Applications — II’ »
A two level tree is a simple tree data structure. Unlike in a typical tree where the tree depths could be arbitrary, a two level tree has only two levels as its name suggests. Two level tree is also equivalent to a star. Continue reading ‘Two Level Tree and Its Applications — I’ »
Today I encountered a rather obscure error while maintaining some old ASP.Net code (Framework 1.1). Continue reading ‘An Obscure System.Web.Mail Error Message’ »
Processes tend to benefit greatly from multi-core processors if they are CPU bound (i.e. computational intensive tasks). The actual speedup depends on the portion of the code that must remain sequential. Continue reading ‘Producer-Consumer: A Duplicate File Finder’ »
In the previous three posts(I, II, III), I showed you how to inherit from GridView control to create an extended control that can bind to a generic list of objects. In this final post of the series, I will show you a simple example to illustrate how to use the GridViewEx control. Continue reading ‘Extending the GridView — Part IV’ »
In Part II, I showed you how to extend the GridView control so that we can bind a generic list to it. Because GridViewEx inherits from GridView, it has all the functionalities GridView has (i.e. paging). Sometimes, it is desirable to change the number of items displayed on a page dynamically, to accommodate this, we will create a GridViewPager control (ascx). Continue reading ‘Extending the GridView — Part III’ »
In Part I, I talked about why we needed to extend the GridView and some of the benefit in doing that. In this post, I will discuss how to extend the standard GridView control to take advantage of binding to the type safe value objects mentioned previously. Continue reading ‘Extending the GridView — Part II’ »
Most business applications require presenting result sets to the end users in the form of some kind of grid views. Continue reading ‘Extending the GridView — Part I’ »