I have stuck at this field for a long time. Today it suddenly becomes clear to me: LINQ and lambda expressions are to very different things (though they complements each other on many occasions). Lambda expression Lambda expression, to sum…
Extraction from “C# programming language 4th edition” When not captured, there is no way to observe exactly how often a local variable is instan-tiated: Because the lifetimes of the instantiations are disjoint, it is possible for each instantiation to simply…
Most of the post on the internet about interoperability is the other way around (Calling C++ from C#) since C# is apparently the superior language in terms of developer friendliness. But a part of research work is to make weird…
I run a simple web server to serve as a storage medium for my mobile devices (I don’t like using dropbox or other online storage solutions because they don’t offer much space and they hogs up bandwidth unnecessarily). Before I go…
From time to time, when you have some errors in your controls, Visual may just stop responding altogether and forces you to restart without any indicator on what happened and how to fix it. To overcome this, there is two…
I don’t know why the top results from Google always involve more than 10 lines of code and loads of comments when actually you can just do this: byte[] Data = new WebClient().DownloadData(FrameURL); You can try DownloadString and DownloadFile based…
I was searching for a quick way to recognize license plates and stumbled upon EmguCV’s sample code. But this code requires Tesseract OCR (An open source OCR engine currently sponsored by Google) and its .NET wrapper. Unfortunately, this code was…
I was working on a C# project that required interaction between unmanaged and managed code. It’s nothing complex, just calling various functions in a DLL through a wrapper class, then I hit this exception: Strange thing is, this “stack unbalanced”…
This will remove empty lines and lines with blank characters (space, tab, …) only
Usually when working on windows form, I use this to do the work DropDownList1.DataSource = new ApplicationTableAdapter().GetDataBySystemID(1); DropDownList1.DataTextField = “Name”; DropDownList1.DataValueField = “ID”; But surprisingly, when switched to ASP.NET, the above code no longer works, at first I thought it…
