Welcome to MSDN Blogs Sign in | Join | Help

Browse by Tags

All Tags » CSharp   (RSS)
Monday, September 28, 2009 7:40 PM

Its easy to create a graph of memory use in Excel

In this post Examine .Net Memory Leaks I showed how to find a .Net managed memory leak. Now let’s create a graph of memory and resource use over time. Start Visual Studio 2008, File->New->Visual Basic (or C#) Windows, WPF application. Dbl click
Posted by Calvin_Hsia | 0 Comments
Filed under: , ,
Tuesday, July 28, 2009 10:37 PM

Process Explorer and Process Monitor can help you understand a program

Process Explorer and Process Monitor are must-have free utilities that you can download from http://technet.microsoft.com/en-us/sysinternals/bb795533.aspx For example you can use ProcExp to examine a particular behavior of Visual Studio. Start Visual
Posted by Calvin_Hsia | 0 Comments
Thursday, May 28, 2009 5:15 PM

Stack overflow, expand your stack? Change your algorithm!

In the last post, Area fill algorithm: crayons and coloring book , I showed a program that emulates a kid drawing in a coloring book. However, the algorithm wasn’t very efficient, and would explode even if you had a simple drawing: it was using the stack
Posted by Calvin_Hsia | 1 Comments
Filed under: , ,
Thursday, April 30, 2009 10:40 AM

Area fill algorithm: crayons and coloring book

Kids know how to use crayons and a coloring book. How do you write such a program? In my last post ( Which pixels do you turn on when you draw a line? ) I showed how to draw a line. Now suppose you have some lines or shapes already drawn. How would you
Posted by Calvin_Hsia | 4 Comments
Filed under: , ,
Monday, March 30, 2009 11:46 AM

Which pixels do you turn on when you draw a line?

When I wrote my cartoon animation program almost 30 years ago (see Cartoon animation program ) I needed to know how to draw a line. Of course, nowadays, we just call a library function that will draw a line given two points. If you think about it, the
Posted by Calvin_Hsia | 3 Comments
Filed under: , ,
Friday, March 27, 2009 11:39 PM

Comment/Uncomment code to switch versions quickly without using macros

In a typical day, I write or debug programs in several languages: typically Foxpro, C#, VB, C++ and 32 bit assembly, with an occasional MSIL, IDL and 64 bit ASM thrown in. Sometimes, I like to switch between one version of code and another. This is useful
Posted by Calvin_Hsia | 7 Comments
Wednesday, December 03, 2008 2:55 PM

Write simple Debug helpers to help you debug and maintain your code

Much of my time is spent using the Visual Studio debugger examining code to figure out how it works and how to fix it. When stepping through a function, the values the function uses are very useful for code understanding. The debugger shows these values
Posted by Calvin_Hsia | 3 Comments
Thursday, August 21, 2008 11:15 AM

Magnify your pictures using a PictureBox so that you can zoom with the Mouse Wheel

Today’s digital cameras take pictures with much higher resolution than many computer screens. My Canon PowerShot SD800 IS camera takes pictures at 3072 x 2204 resolution. One of my laptops died recently, and I noticed that local laptop retailers have
Posted by Calvin_Hsia | 15 Comments
Filed under: , ,
Monday, July 28, 2008 2:34 PM

Make your code more maintainable: The evils of the Return statement

What does it mean to make code more maintainable? Certainly obfuscated code is hard to understand, by definition. A big part of maintainability is making it easier for others to read and understand what the code is doing. Your code may have been working
Posted by Calvin_Hsia | 9 Comments
Monday, July 14, 2008 11:57 AM

Cellular Automata: The Game of Life

I remember my dad getting a copy of Scientific American magazine every month when I was a kid. He kept back issues on a shelf in our living room. I remember being fascinated by the issue (Oct 1970) which described John Conway’s Game of Life . A few decades
Posted by Calvin_Hsia | 5 Comments
Filed under: ,
Friday, June 06, 2008 12:36 PM

Use a dictionary to help create a mnemonic

I was using a program that was yet another TLA and I wanted to create a mnemonic to help me remember what it was. One of the letters was “k”, so I wanted to find a word that starts with “k” Simple: load a dictionary, search for words starting with “k”
Posted by Calvin_Hsia | 2 Comments
 
Page view tracker