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Performance is a subset of Optimization: performance is the goal when you want the execution time of your program or routine to be optimal.

10 votes
3 answers
21k views

Find a bitmap within another bitmap

I have a function that will try to find a bitmap within another bitmap. If it successfully finds it, then it will return the center point of bitmap #1. I've only seen negativity towards goto which i …
Owen's user avatar
  • 1,494
2 votes
1 answer
14k views

Check OpenVPN's connection status

I wrote a method that will start OpenVPN on a config file, and then wait to be connected. It relies on OpenVPN using Local Area Connection 2, which hurts code reusability, but I'm not sure how to do …
Owen's user avatar
  • 1,494
10 votes
5 answers
33k views

Order a list of points by closest distance

I wrote a function that will take a list of points and then order them so they sort of... "chain together". The function will start with point #1 in the list. It will add point #1 to the list of ord …
Owen's user avatar
  • 1,494
2 votes
1 answer
3k views

Pixelate image with average cell color

I wrote a function that will pixelate an image using the average color of each 4x4 cell. The function will "split" the image into 4x4 cells, and find the average color of each pixel in the 4x4 cell, …
Owen's user avatar
  • 1,494
5 votes
4 answers
5k views

Join a collection of strings until character limit is reached

Question I wrote a function which will take a collection of strings — and return a comma-separated string which doesn't exceed the specified character limit. It essentially works by joining the coll …
Owen's user avatar
  • 1,494
2 votes
1 answer
149 views

Cross-thread label countdown

Short and sweet... I wrote a cross-thread method that displays the countdown [in seconds] of a delay on a label. I'm fairly confident it's far from optimal, so I'm in need of that glorious optimizat …
Owen's user avatar
  • 1,494
12 votes
1 answer
16k views

Human-like mouse movement

The code will move the mouse from a start point (xs, ys) to finish point (xe, ye) like a human would. I'd like some help possibly shortening the code (by optimizing it) and making it more readable. …
Owen's user avatar
  • 1,494
2 votes
2 answers
1k views

Processing lots of JSON objects

I want to process a ton of JSON objects as quickly as possible. I've done my best to make the processing as concise and efficient as I can. How can I make it more efficient? private void processBut …
Owen's user avatar
  • 1,494
16 votes
6 answers
17k views

Determine if an image is opaque or transparent

bitmap.UnlockBits(bitmapData); return false; } } } bitmap.UnlockBits(bitmapData); return true; } Concerns: Can performance … Is it possible to improve readability and reusability without affecting performance? …
Owen's user avatar
  • 1,494
15 votes
2 answers
10k views

Guitar Hero III Bot

I'd like some help optimizing my code so that my bot can match the performance of other bots. …
Owen's user avatar
  • 1,494
5 votes
1 answer
7k views

Generate video thumbnail

I wrote a simple, yet disgusting video thumbnail image generator method—which uses the MediaToolkit .NET library. The code is not self-explanatory whatsoever, and it's extremely inefficient. It acce …
Owen's user avatar
  • 1,494
0 votes
1 answer
5k views

Retry cancelled tasks

I wrote an extension method for retrying tasks when cancelled. Can speed, versatility, readability, or elegance be improved at all? public static async Task<T> Try<T>(this Task<T> task, int retries) …
Owen's user avatar
  • 1,494
5 votes
4 answers
13k views

Get the brightest rectangle within an image

(subsequently improving performance tremendously) Method: public static Rectangle GetBrightestRectangle(this Bitmap bitmap, int width, int height) { // Each rectangle's value is its average …
Owen's user avatar
  • 1,494