Learn Java proof at Hacker Rank in Tag Content Extractor

Hi, some time ago I started learn Java language. I ma trying to self-study learn of the Java. And I have to say that the language is very nice and with deep knowledge of C# my progress is fast. I want to show you today here one of nice code puzzle solution named Tag Content Extractor. It take me some time. I started learn Java from very easy puzzles and every next one is more and more Continue ReadingLearn Java proof at Hacker Rank in Tag Content Extractor

Tutorial of MS SQL Extended Events in 7 T-SQL Steps

Hi, today I would like to show you how you can use Extended Events Sessions on SQL Server 2008 or above. Extended Event Sessions are future of monitoring of the SQL Server. From many years solutions that used SQL Profiler Traces or DMV were not always accurate and fast. DMV queries could be very fast. However it is impossible to get statistics only per one sessions from DMV. And that is why I want to show you Continue ReadingTutorial of MS SQL Extended Events in 7 T-SQL Steps

PWM Fan on Cable Connector Controller

Hi, today I would like to share with you this weekend innovation for my Dream PC. It is a PWM controller for both 4-pin and 3-pin fans. I used cable connector that is very popular, the 30 centimeters long cable with 4-pin input and output connectors. And I decided to put between that cables a bit of analog electronic hardware. I prepared also for you simple HowTo Picture below, because it is very easy to build in Continue ReadingPWM Fan on Cable Connector Controller

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Simple Service Bus Training

Hi, today I prepared my first screencast trining on YouTube about the Simple Service Bus I made. It took me a lot of effort and it is just a start. If you like such content please share that information in comments. I would love to make more such videos in future. Here you can find ( downloads). Enjoy! p ;).

Performance Counter Logger

Hi, today I would like to share with you idea of the Performance Counter Logger. This tool is for logging performance counters values and it solves issues with built-in PerfMon in Windows that collect data only for some time window and cannot auto pause when process not working. So I wrote Performance Counter Logger to solve that issue. it is very small almost trivial tool which has 60 lines of C# code. Tool was created by me Continue ReadingPerformance Counter Logger

SQL Ninja uses ORDER BY with CASE

Hi, today I want to show you simple technique which can be used when you need parameterised ORDER BY cause in T-SQL. Sometimes you may want to have elegant query. Example is from my today’s code review that I gave to colleague. On the Internet is very difficult to find such solution. So, I decided to show it to you here. There are many possible scenarios for this example usage. For example you may want to have Continue ReadingSQL Ninja uses ORDER BY with CASE

Using of TextWriter by StringBuilder

Hi, today I want to share with you very simple idea of using correctly TextWriter class. You can imagine that TextWriter is created on the network stream solution in SOA (WCF), REST (WebAPI) or Web (ASP.NET) application. When you write to that stream very often you could have a lot of unnecessary round-trips between clients and server. But there is nice technique with StringBuilder I want to share with you in below tests. I think nothing more Continue ReadingUsing of TextWriter by StringBuilder

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Multi Service Bus Design FAQ

What communication objects MSB has? There are 5 object classes for communication only. There are 2 Requesters, 2 Receivers and 1 Responder. What communication model MSB has? There is 1-way communication between Requester and Receiver. There is 2-way communication between Requester and Receiver with no response guaranteed by communication model contract. There is 2-way communication between Requester and Responder with response guaranteed by communication model contract.   What types of communication MSB supports? MSB is the same Continue ReadingMulti Service Bus Design FAQ