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I'm trying to solve automatically some capthas, but with no luck yet. Here are some examples:
There are always only 3 numbers in black and white colors.
Can anyone help me with some links or point to examples with a similar type of captchas?
Are there any good .net libraries for image processing that could be useful for me?
Thanks in advance.
UPDATE:
A lot of people already have asked why am I doing it. So I will answer here :)
My friend told that he would buy a case of beer to the person who will solve this task with a 25% accept rate.
I want to know if I have chances :D
Captcha was introduced to stop applications like yours :-). If this is something legitimate then contact the website and see if they can provide you with an API. It is practically impossible to solve all the captchas even if you a very good algorithm. Even if your application starts solving these captchas what is the guarantee that the website will not block you from making multiple requests in short interval?
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I want to apologize in advance, I think this may be a commonly asked question and I hate to repeat it, although I did search for a bit I couldn't come up with any results that answer my question, which is;
I've spend the last 8-9 months self teaching myself C# and I have come along pretty well, I can build my own small programs. I asked some people from various different places what my next step should be, they mostly said to learn ASP.NET, so thinking it was easy I didn't press for further information. A few days later I go to search for some tutorials/practice vids and information for ASP.NET to find out there's so many versions and different types that I had no idea where to begin. I've heard a lot about ASP.NET 3.5 I think it's called, but then lots of people are talking about something called ASP.NET MVC.
So finally to my question, for web related things, what version/type/name of ASP.NET do I need to learn? My guess is the ASP.NET 3.5, but I really want to be sure before I put months of learning into it.
You can start here: http://asp.net
asp.net
And google search.
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Do you know any C# based "puzzles and answers" like book? Article? Resource?
Why I am asking this is to enlarge my vision with some interesting quiz-like scenarios; to force myself think in a different way and which I can maybe have an advantage on unexpected interview questions.
Thanks!
stackoverflow.com, of course :) - just reading the q and a on this site makes me think a different way.
Learning C# with exercises, questions and puzzles
Although it's not specific to C#, Project Euler is a lot of fun.
you can find a lot of solutions in c# to project Euler challenges. This is one resource: http://archive.msdn.microsoft.com/projecteuler
Also the benchmarks on The Computer Language
Benchmarks Game have solutions in c# (mono). They encourage people to contribute faster solutions and by looking at them you can learn good performance-tuning tips.
Finally, if you're coming from another programming language and want to compare ways of solving common tasks, sites like Rosetta Code or langref are precious. They are also good to just learn how to do common things in a new language or as a reference (or indeed as preparation to common interview questions)
A StackExchange site: Programming Puzzles & Code Golf
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I am in need of some websites where I can buy C# WinForms networking libraries/components/dll's from. Can anybody please suggest any? They should be pretty cheap, but any and all links are welcome :)
I can only find one website, and I don't like the look of what they have.
Thank you
Windows Communication Foundation
I would suggest looking at these introductory videos on MSDN website, as they're more then you need to get you up and runnign quickly. Anything more advanced, there's plenty of resources/books available.
Price: £0.00 - Free
There are socket code examples from MS located here:
http://msdn.microsoft.com/en-us/library/w89fhyex(v=VS.71).aspx
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I had a bunch of bookmark to "www.asp.net/learn/", specially the one about data-access and security.
I was keeping them to send them to newbies.
The site seem to be wiped.
Someone found an archive???
Via forums.asp.net: Where did the Learn page go?
They probably just did some consolidation. The videos are still there. http://www.asp.net/learn/videos/ the same thing happened last time. give it a few days or so and they may provide links to the material.
Way Back Machine
From the link http://forums.asp.net/t/1535662.aspx posted by tadmason:
With the new site design most of the content that had been on the Learn page has moved to the new Web Forms section, or the updated MVC section. Below please find a chart to help you find what you might be looking for:
Or as Jaxidian suggested, you could use the Way Back Machine: http://web.archive.org/web/%2a/http://www.asp.net/learn/
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I am starting to make my own apps and publishing them. The problem I face is that my apps are mainly for my purposes. What are some problems that you face while in windows? I need some desktop application ideas that are simple but helpful.
Rather than giving you a fish, I will humbly try and teach you how to fish:
Take a blank sheet of paper and write out as clearly as you can the problem that you want to tackle. Clarity is key because clarity of purpose gets your mind focused on what you are really trying to accomplish.
Think of at least 20 ideas and write them down on that once blank paper. Let your mind really flow and give up worrying about whether your ideas are practical or what other people will think about them.
Read over your list and determine which ones actually are good ideas. You might want to put the list away for a while and then take it out the next day to see if you still think those ideas pass whatever test you have for your ideas.
Lather, rinse, repeat.
Note that I don't necessarily know that I have a problem until you show me that I have a problem, and then show me how to fix it. Personally I think computers are still too hard to use, and I'm a programmer. Because my work life is so complex I like software and gadgets that are simple and elegant. MP3 players existed long before the iPod came out, but the iPod was able to get the mix right.
http://hubpages.com/hub/How-to-Come-Up-with-Good-Ideas