MARCIN.com
Marcin Jamro, PhD, DSc
Useful, clear and short tips
from experienced expert & author
Welcome and thank you for visiting my website! Here you can find solutions that come from real development and experience obtained while 10+ years of work on complex international projects. The mentioned topics include C#, .NET, Algorithms, FFmpeg, HTML, ASP.NET, CSS, Infrastructure, JavaScript.
- How to get video thumbnail?
- How to limit the number of shown lines of text?
- How to set JPEG quality with SkiaSharp?
- How to set JPEG quality with System.Drawing?
- How to cache data with memory cache?
- How to calculate expression in Reverse Polish Notation (RPN)?
- How to calculate factorial?
- How to calculate Levenshtein distance?
- How to calculate number from Fibonacci series?
- How to call phone number after clicking on link?
- How to change FPS of video?
- How to compute MD5 or SHA-512 hash from string?
- How to convert array to string?
- How to convert MOV video to MP4 file?
- How to convert time from local to UTC and from UTC to local?
- How to crop video?
- How to cut fragments from video?
- How to decrease video size by changing its quality?
- How to download PostgreSQL database from DigitalOcean?
- How to draw fractal?
- How to efficiently copy entire array or its part?
- How to efficiently fill array with given value?
- How to encrypt and decrypt text with AES symmetric algorithm?
- How to encrypt and decrypt text with RSA asymmetric algorithm?
- How to execute code cleanup in Visual Studio IDE?
- How to find peaks in array?
- How to get alphanumeric key from string?
- How to get GUID as unique identifier?
- How to get image in grayscale?
- How to get number of days between dates?
- How to get number of days in current month?
- How to get random Boolean value?
- How to get random positive or negative number?
- How to implement background service executing actions every hour?
- How to implement circular queue?
- How to parse datetime value with specified format?
- How to process many videos one after the other?
- How to remove audio from video?
- How to remove duplicates from list?
- How to remove HTML tags from string?
- How to resize video?
- How to rotate image indefinately?
- How to shoot confetti on website?
- How to solve Sudoku?
- How to sort array with bubble sort?
- How to sort array with heap sort?
- How to sort array with insertion sort?
- How to sort array with merge sort?
- How to sort array with quicksort?
- How to sort array with selection sort?
- How to sort array with Shell sort?
- How to traverse binary tree in preorder, inorder and postorder?
Hello, I am Marcin
Reliable entrepreneur with 10+ years of companies operation, such as CEO at a few IT companies. I was an author of a few software & hardware products, still open to new ideas & cooperation.
Helpful expert with 10+ years of experience, together with PhD and DSc in Computer Science. I was an author of books and publications, as well as an expert in international projects.
Experienced developer with 10+ years of development and 100+ completed projects. I worked on various complex international projects, e.g. at Microsoft in USA and as CTO at a few companies. I have MCP, MCTS and MCPD certificates.
You can read more about me in my short bio. I am waiting for contact at [email protected], as well as at my Facebook and LinkedIn profiles.
Books
I am an author of a few books and numerous publications, also in high-quality international scientific journals.
If you want to learn data structures and algorithms in the context of C#, let's take a look at my newest book. It is the second edition of C# Data Structures and Algorithms. You can buy it here.
Projects
Do you like traveling? If so, discover an amazing world with local guides, right here and right now at: https://camaica.com
Do you follow your favorite creators? If so, check it out what products they recommend and buy them at: https://refspace.com
Travels
I love travels, learning new cultures and regions, meeting outstanding people, as well as taking pictures of beautiful places. Take a look at my travel diary.