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Use the yield statement to make an enumeration in C#

Posted by Rod Stephens at 6/26/2012 7:08 AM | Add Comment

Use the Sieve of Eratosthenes to find prime numbers in a range in C#

Posted by Rod Stephens at 6/25/2012 2:56 PM | Add Comment

Compare sorting algorithms in C#, article 5 of 5

Posted by Rod Stephens at 6/22/2012 6:20 AM | Add Comment

Compare sorting algorithms in C#, article 4 of 5

Posted by Rod Stephens at 6/21/2012 6:17 AM | Add Comment

Compare sorting algorithms in C#, article 3 of 5

Posted by Rod Stephens at 6/20/2012 6:16 AM | Add Comment

Compare sorting algorithms in C#, article 2 of 5

Posted by Rod Stephens at 6/19/2012 6:12 AM | Add Comment

Compare sorting algorithms in C#, article 1 of 5

Posted by Rod Stephens at 6/18/2012 6:02 AM | View Comments (6) | Add Comment

Draw a star with a given number of points in C#

Posted by Rod Stephens at 6/4/2012 7:56 AM | Add Comment

Parse file sizes in KB, MB, GB, and so forth in C#

Posted by Rod Stephens at 6/1/2012 7:22 AM | Add Comment

Pixellate parts of an image in C#

Posted by Rod Stephens at 5/23/2012 7:29 AM | Add Comment

Draw a phi spiral (or golden spiral) in C#

Posted by Rod Stephens at 5/17/2012 7:19 AM | View Comments (3) | Add Comment

Use image processing techniques to pixellate an image and create other effects in C#

Posted by Rod Stephens at 5/16/2012 6:46 AM | Add Comment

Make a hangman game in C#

Posted by Rod Stephens at 4/19/2012 8:53 AM | Add Comment

Use LINQ to select specific words from a file to build a dictionary in C#

Posted by Rod Stephens at 4/18/2012 9:41 AM | Add Comment

Draw a nested series of golden rectangles in C#

Posted by Rod Stephens at 4/17/2012 5:36 PM | View Comments (2) | Add Comment

Examine the relationship between the Fibonacci sequence and phi in C#

Posted by Rod Stephens at 4/16/2012 9:02 AM | Add Comment

Make extension methods that randomize arrays and lists in C#

Posted by Rod Stephens at 4/4/2012 8:34 AM | Add Comment

Platonic Solids Part 4: The dodecahedron and icosahedron

Posted by Rod Stephens at 3/29/2012 6:50 AM | Add Comment

Platonic Solids Part 3: The cube and octahedron

Posted by Rod Stephens at 3/28/2012 7:20 AM | Add Comment

Platonic Solids Part 2: The tetrahedron

Posted by Rod Stephens at 3/27/2012 7:27 AM | Add Comment

Platonic Solids Part 1: What are the Platonic solids?

Posted by Rod Stephens at 3/26/2012 8:21 AM | Add Comment

Use "banker's rounding" and "normal" rounding in C#

Posted by Rod Stephens at 3/22/2012 1:45 PM | Add Comment

Make a game where you control a cannon ball's angle and speed to try to hit a house in C#

Posted by Rod Stephens at 3/9/2012 5:06 PM | Add Comment

Extract text created by DrawString from a metafile in C#

Posted by Rod Stephens at 2/24/2012 11:02 AM | Add Comment

Enumerate the records in a metafile and skip some in C#

Posted by Rod Stephens at 2/23/2012 9:32 AM | Add Comment

Use BeginInvoke and a callback to perform tasks asynchronously in C#

Posted by Rod Stephens at 2/22/2012 8:58 AM | Add Comment

Use BeginInvoke and EndInvoke to perform tasks asynchronously in C#

Posted by Rod Stephens at 2/21/2012 9:08 AM | Add Comment

Recursively perform red-eye reduction on a picture in C#

Posted by Rod Stephens at 2/17/2012 9:39 AM | Add Comment

Perform red-eye reduction on a picture in C#

Posted by Rod Stephens at 2/15/2012 9:56 AM | View Comments (1) | Add Comment

Use a scroll bar to change the cutoff value for binary contrast enhancement in C#

Posted by Rod Stephens at 2/14/2012 1:05 PM | Add Comment

Perform binary contrast enhancement on an image in C#

Posted by Rod Stephens at 2/13/2012 9:10 AM | Add Comment

Loop over the entries in an array without knowing how many dimensions the array has in C#

Posted by Rod Stephens at 2/6/2012 2:33 PM | View Comments (1) | Add Comment

Add "extension properties" to classes in C#

Posted by Rod Stephens at 1/31/2012 6:07 AM | Add Comment

Make stable appointment assignments based on customer preferences in C#

Posted by Rod Stephens at 1/30/2012 7:23 AM | Add Comment

Graph an equation entered by the user in C#

Posted by Rod Stephens at 1/24/2012 1:17 PM | Add Comment

Graph an equation y = F(x) in C#

Posted by Rod Stephens at 1/23/2012 8:49 AM | Add Comment

Evaluate numeric expressions that are entered by the user in C#

Posted by Rod Stephens at 1/20/2012 12:30 PM | Add Comment

List the languages that you can compile with code in C#

Posted by Rod Stephens at 1/17/2012 7:57 AM | Add Comment

Compile code entered at run time, execute it, and get the return result in C#

Posted by Rod Stephens at 1/16/2012 2:54 PM | View Comments (5) | Add Comment

Find and display solutions to the "find the squares" puzzle in C#

Posted by Rod Stephens at 1/11/2012 10:58 AM | Add Comment

Draw a large circle that circumscribes three smaller tangent circles in C#

Posted by Rod Stephens at 12/29/2011 8:25 AM | Add Comment

Animate a series of images in C#

Posted by Rod Stephens at 12/23/2011 9:19 AM | Add Comment

Animate moving interlocked gears in C#

Posted by Rod Stephens at 12/22/2011 11:07 AM | Add Comment

Draw gears in C#

Posted by Rod Stephens at 12/21/2011 12:09 PM | Add Comment

Puzzle: find the squares in C#

Posted by Rod Stephens at 12/19/2011 9:41 AM | Add Comment

Let a thread call a form's methods in C#

Posted by Rod Stephens at 12/16/2011 4:07 PM | Add Comment

Run Threads with different priorities in C#

Posted by Rod Stephens at 12/15/2011 9:17 AM | Add Comment

Use LINQ to order a list of words by the number of distinct letters they contain in C#

Posted by Rod Stephens at 12/14/2011 7:22 PM | Add Comment

Draw four interlocking Heighway dragons in C#

Posted by Rod Stephens at 12/13/2011 9:44 AM | Add Comment

Center a fractal Heighway dragon curve in C#

Posted by Rod Stephens at 12/12/2011 2:53 PM | Add Comment

Use XOR to swap two numbers in C#

Posted by Rod Stephens at 12/9/2011 11:36 AM | Add Comment

Draw a fractal Heighway dragon curve in C#

Posted by Rod Stephens at 12/8/2011 5:51 PM | Add Comment

Count the black and white pixels in an image in C#

Posted by Rod Stephens at 12/6/2011 11:43 AM | View Comments (2) | Add Comment

Find and display solutions to the equilateral triangles puzzle in C#

Posted by Rod Stephens at 12/5/2011 8:03 AM | Add Comment

Make and use bitmasks in C#

Posted by Rod Stephens at 12/3/2011 2:17 PM | Add Comment

Understand how to use bit masks in C#

Posted by Rod Stephens at 12/2/2011 3:29 PM | Add Comment

Make an extension method that randomizes a two-dimensional array in C#

Posted by Rod Stephens at 11/28/2011 9:21 AM | Add Comment

Draw an Apollonian gasket with circles filled by random colors in C#

Posted by Rod Stephens at 11/23/2011 10:49 AM | Add Comment

Draw an Apollonian gasket (or Apollonian packing) in C#

Posted by Rod Stephens at 11/22/2011 8:32 AM | Add Comment

Clone lists and arrays of objects in C#

Posted by Rod Stephens at 11/21/2011 8:35 AM | View Comments (1) | Add Comment

Use serialization to make deep clones of a class in C#

Posted by Rod Stephens at 11/19/2011 7:48 AM | View Comments (4) | Add Comment

Puzzle: find the equilateral triangles in C#

Posted by Rod Stephens at 11/18/2011 11:00 AM | Add Comment

Use the MemberwiseClone method and implement the ICloneable interface in C#

Posted by Rod Stephens at 11/17/2011 8:45 AM | Add Comment

Make shallow and deep clones of objects in C#

Posted by Rod Stephens at 11/16/2011 10:19 AM | Add Comment

Convert latitudes and longitudes into distances on the globe in C#

Posted by Rod Stephens at 11/15/2011 9:20 AM | Add Comment

Draw three circles and find circles that are tangent to all three in C#

Posted by Rod Stephens at 11/14/2011 7:49 AM | Add Comment

Find circles that are tangent to three given circles (Apollonius' Problem) in C#

Posted by Rod Stephens at 11/11/2011 6:51 AM | Add Comment

Use steganography to hide one large picture inside another in C#

Posted by Rod Stephens at 11/10/2011 7:32 AM | Add Comment

Use steganography to hide one picture inside another in C#

Posted by Rod Stephens at 11/9/2011 11:06 PM | Add Comment

Draw a circle through three points in C#

Posted by Rod Stephens at 11/8/2011 9:38 AM | View Comments (2) | Add Comment

Write a method to make a Region representing the non-transparent pixels in an image in C#

Posted by Rod Stephens at 10/28/2011 9:12 AM | Add Comment

Shape PictureBoxes by setting their regions in C#

Posted by Rod Stephens at 10/27/2011 12:07 PM | Add Comment

Make a generic TreeNode class that can draw trees oriented vertically or horizontally in C#

Posted by Rod Stephens at 10/25/2011 6:45 AM | View Comments (3) | Add Comment

Get font metrics in C#

Posted by Rod Stephens at 10/13/2011 9:32 AM | Add Comment

Measure character positions in a drawn string in C#

Posted by Rod Stephens at 10/12/2011 11:46 AM | Add Comment

Use scrollbars to select a color in RGB or HLS format in C#

Posted by Rod Stephens at 10/11/2011 10:08 AM | Add Comment

Convert colors from the RGB model to the HLS model and vice versa in C#

Posted by Rod Stephens at 10/10/2011 12:59 PM | View Comments (1) | Add Comment

Map numeric values to and from colors in a color gradient in C#

Posted by Rod Stephens at 10/7/2011 2:46 PM | Add Comment

Examine different investment strategies with Dow Jones Industrial Average data in C#

Posted by Rod Stephens at 10/6/2011 1:35 PM | Add Comment

Compress all of the JPG files in a directory in C#

Posted by Rod Stephens at 10/4/2011 6:52 AM | Add Comment

Use a binary search to quickly pick a JPG compression level in C#

Posted by Rod Stephens at 10/3/2011 7:43 PM | Add Comment

Pick a JPG compression level to make a file no bigger than a certain size in C#

Posted by Rod Stephens at 10/1/2011 7:18 AM | Add Comment

Generate all possible letter combinations of a given length in C#

Posted by Rod Stephens at 9/30/2011 8:08 AM | View Comments (2) | Add Comment

Generate all possible three-letter words in C#

Posted by Rod Stephens at 9/29/2011 8:31 AM | Add Comment

Make extension methods that convert numbers between Arabic and Roman numerals in C#

Posted by Rod Stephens at 9/25/2011 8:53 AM | Add Comment

Make a map zooming program create hotspot code in C#

Posted by Rod Stephens at 9/21/2011 12:15 PM | Add Comment

Display a map at different scales with hotspots that the user can click in C#

Posted by Rod Stephens at 9/20/2011 12:33 PM | Add Comment

Measure distances on a map with a scale and display them with limited significant digits in C#

Posted by Rod Stephens at 9/15/2011 10:17 AM | Add Comment

Display a floating point number with a specific number of significant digits in C#

Posted by Rod Stephens at 9/14/2011 6:37 AM | Add Comment

Measure distances on a map with a scale in C#

Posted by Rod Stephens at 9/13/2011 7:30 AM | Add Comment

Sort partly numeric items in a ComboBox or ListBox in C#

Posted by Rod Stephens at 9/11/2011 5:12 PM | Add Comment

Sort items in a ComboBox or ListBox numerically in C#

Posted by Rod Stephens at 9/10/2011 9:49 AM | View Comments (2) | Add Comment

Reduce the number of colors in a Bitmap and remap them to make interesting effects in C#

Posted by Rod Stephens at 9/7/2011 6:37 AM | Add Comment

Draw an animation of a piston driving a wheel in C#

Posted by Rod Stephens at 9/6/2011 1:02 PM | Add Comment

Draw an animation of two rods connected to a rotating wheel in C#

Posted by Rod Stephens at 9/3/2011 1:44 PM | Add Comment

Draw a simple robot arm with a hand in C#

Posted by Rod Stephens at 8/26/2011 7:26 AM | Add Comment

Draw a simple robot arm in C#

Posted by Rod Stephens at 8/25/2011 7:06 AM | Add Comment

Calculate how long it will take to pay off a credit card by making minimum payments in C#

Posted by Rod Stephens at 8/22/2011 7:34 AM | Add Comment

Calculate the future value of a monthly investment with interest in C#

Posted by Rod Stephens at 8/21/2011 7:04 AM | Add Comment

Draw a colored Pickover popcorn fractal in C#

Posted by Rod Stephens at 8/17/2011 6:36 AM | Add Comment
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  1. Determine the number of trials needed to reach a certain probability of an event occurring in C#
    Friday, July 20, 2012
  2. Calculate the probability of an event occurring in a given number of trials in C#
    Thursday, July 19, 2012
  3. Link to list of options for making Access data available online
    Thursday, July 19, 2012
  4. Understand probabilities of unrelated events (and escaping zombies)
    Tuesday, July 17, 2012
  5. Display reusable dialog forms in C#
    Monday, July 16, 2012
  6. Compare the performance of the int, long, and byte data types in C#
    Thursday, July 12, 2012
  7. Compare the performance of the float, double, and decimal data types in C#
    Wednesday, July 11, 2012
  8. Load several images into an Access all at once database in C#
    Tuesday, July 10, 2012
  9. Load a saved image from an Access database in C#
    Monday, July 09, 2012
  10. Save an image in an Access database in C#
    Friday, July 06, 2012

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  1. Zeke on Find the shortest distance between a point and a line segment in C#
    7/20/2012
  2. E Anderson on Compare the performance of the float, double, and decimal data types in C#
    7/17/2012
  3. Rod Stephens on Compare the performance of the float, double, and decimal data types in C#
    7/16/2012
  4. CarlD on Compare the performance of the float, double, and decimal data types in C#
    7/12/2012
  5. Rod Stephens on Compare sorting algorithms in C#, article 1 of 5
    7/6/2012
  6. Harrington Newman on Display images with file names stored in a database without data binding in C#
    7/4/2012
  7. Ben on Compare sorting algorithms in C#, article 1 of 5
    7/2/2012
  8. uday on Perform red-eye reduction on a picture in C#
    7/2/2012
  9. balu on Remove characters that are not printable ASCII characters from a string in C#
    6/29/2012
  10. Rod Stephens on Compare sorting algorithms in C#, article 1 of 5
    6/24/2012
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