Watch Out for Number Conversion Errors
Converting from floating point numbers (e.g. double, single) to integers can be tricky.
Why it is Hard to Give Good Estimates (in Software Development)?
A reasonably sized software project is rarely delivered in time and under budget. This is a known fact in the […]
Generating Unique Permutations Programmatically
Download UniquePermutation.zip The numbers of permutations on a set of n elements is n! (see definition).
Computer Languages – They Are More Similar Than You Think
If you are looking for a programming position, chances are that you will be required to have x years of […]
Implementing a Trie in C#
Download Trie.zip Trie is a tree like data structure that can be used for fast text search.
Weather Forecast, Software and Testing
We were supposed to have a winter storm last Thursday. But as it turned out, we just had some light […]
Three Ways to Reverse a String in C# – Update
In my post a week ago, I mentioned three ways to reverse a string. OK, I really meant three alternative […]
How to Tab Through Controls on a Form With Alternative Keys Using C# – Update
In my previous post “How to Tab Through Controls on a Form With Alternative Keys using C#” I talked about […]
Three Ways to Reverse a String in C#
OK, conceptually, it’s quite easy. A couple of my friends got asked this question when interviewing. Here are what my […]
Test Your Regular Expressions with RegexpBench
Download RegExpBench.zip I created this little utility a while ago. It is a work bench for creating/validating regular expressions.
How to Tab Through Controls on a Form With Alternative Keys Using C#
Download AltTab.zip We have taken it for granted that TAB and SHIFT + TAB move the focus from one control […]
iWay 350c – A Decent Portable GPS
I got an iWay 350c portable GPS a little more than a month ago.
MSNBot and Googlebot, Which One is Better?
Most of the people would definitely say Googlebot without hesitation, but my recent observations seem to suggest otherwise.
Color Picker Updated
Download ColorPicker.zip I put this ColorPicker up for download about a year ago. Recently, I have updated it (some minor […]
Happy Chinese New Year
In case you don’t know, today is the Chinese lunar New Year.