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Self-Healing Scrapers: Let One Agent Write Another Agent's Instructions

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Self-correcting AI agents are a practical way of fetching data from various webpages. Instead of a scraper that breaks the moment a website changes, one AI agent researches the site, gets the data and corrects itself when the page changes. This article walks through building exactly that, end to end, with Claude Code. The business need Let's imagine a situation where parents have three kids in three different schools. None of the schools agree on how to publish a timetable. The formats are different: one puts up clean, per-class HTML pages. Another exports its entire grade level as a single PDF. What the parents want is one combined, printable schedule covering all three kids. Writing an HTML scraper for the first school and a PDF scraper for the second is an afternoon's work. What is more, the timetable structures may change in time. The process The solution I landed on with Claude Code was a self-correcting process based on LLM agents. There are two agents involved. T...
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ASP.NET 5 Beta 8

It's been a while since a wrote something on a blog. Today I would like to share with you a good starting point for ASP.NET 5 and switching to beta 8. Here is a nice article  Upgrading from ASP.NET 5 Beta 7 to Beta 8 And nice tutorial made by the same author  Building a Web App with ASP.NET 5, MVC 6, EF7 and AngularJS
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TCExecutor on NuGet

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TCExecutor is now awailable on NuGet.org Project page:  TCExecutor From Visual Studo:
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Thread safe rotate index.

Sometimes you may need a rotation thread safe index. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Collections.Concurrent; using System.Threading; namespace ConsoleApplication12 { class Program { static void Main(string[] args) { Console.WriteLine("Init value = Int32.MaxValue - 10"); RotatorIndex.Init = Int32.MaxValue - 10; Thread thread1 = new Thread(new ThreadStart(ThreadMethod)); Thread thread2 = new Thread(new ThreadStart(ThreadMethod)); thread1.Start(); thread2.Start(); thread1.Join(); thread2.Join(); Console.WriteLine("Init value = - 10"); RotatorIndex.Init = - 10; thread1 = new Thread(new ThreadStart(ThreadMethod)); thread2 = new Thread(new ThreadStart(ThreadMethod)); thread1.Start(); thread2.Start(); ...
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Localized type conversion

If you need a DateTime or double convertion depending on system localization here are some examples: Date to string DateTime dt = new DateTime(2012, 06, 13, 17, 50, 00); string date_US = dt.ToString(new CultureInfo("en-US").DateTimeFormat); string date_GB = dt.ToString(new CultureInfo("en-GB").DateTimeFormat); string date_PL = dt.ToString(new CultureInfo("pl-PL").DateTimeFormat); string date_RU = dt.ToString(new CultureInfo("ru-RU").DateTimeFormat); Console.WriteLine("date_US = {0}", date_US); Console.WriteLine("date_GB = {0}", date_GB); Console.WriteLine("date_PL = {0}", date_PL); Console.WriteLine("date_RU = {0}", date_RU); /* date_US = 6/13/2012 5:50:00 PM date_GB = 13/06/2012 17:50:00 date_PL = 2012-06-13 17:50:00 date_RU = 13.06.2012 17:50:00 */ String to date date_US = "6/13/2012 5:50:00 PM"; date_GB = "13/06/2012 17:50:00"; date_PL = "2012-06-13 17:50:00"; d...
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SSH

Recently I was thinking of SSH support in my TCExecutor application. I've found some 3rd party libraries which support SSH.... but... I think I'll try to implement it on my own... Here are some specs: The Secure Shell (SSH) Protocol Assigned Numbers - RFC 4250 The Secure Shell (SSH) Protocol Architecture - RFC 4251 The Secure Shell (SSH) Authentication Protocol - RFC 4252 The Secure Shell (SSH) Transport Layer Protocol - RFC 4253 The Secure Shell (SSH) Connection Protocol - RFC 4254
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TCExecutor v0.0.1 released

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TCExecutor - Telnet Command Executor C# open source project is released in version 0.0.1 Thanks to TCExecutor you can add communication/configuration layer to your application in just four steps: Create TCExecutor object Define commands Hook up your code to commands events (TCExecutor is multithread/multiconection application remeber that your code must be threadsafe) Start TCExecutor listener. Commands style: > command1  subcommand1 ... subcommandN param1=X1 ... paramN=XN  ARGV1...ARGVN Features: Adds network communication layer to your application Supports multiple connections. For each connection separate session is established. Commands can be defined at your application startup. Each command has separate event to which you can connect to. Each command has a short and long help string which helps end user to navigate through available options. Next releases features: Enable SSH connections to the TCExecutor. Add simple user autentication...
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