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Convert generic List/Enumerable to DataTable?

... Here's a nice 2013 update using FastMember from NuGet: IEnumerable<SomeType> data = ... DataTable table = new DataTable(); using(var reader = ObjectReader.Create(data)) { table.Load(reader); } This uses FastMember's meta-programming API for m...
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Best way to hide a window from the Alt-Tab program switcher?

...en a .NET developer for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hidden fro...
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How do I add a Maven dependency in Eclipse?

I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following: ...
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Why does Eclipse Java Package Explorer show question mark on some classes?

In the Eclipse Helios Java Package Explorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation. ...
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Rounding float in Ruby

I'm having problems rounding. I have a float, which I want to round to the hundredth of a decimal. However, I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35 ...
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Java RegEx meta character (.) and ordinary dot?

In Java RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...) ...
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In STL maps, is it better to use map::insert than []?

A while ago, I had a discussion with a colleague about how to insert values in STL maps . I preferred map[key] = value; because it feels natural and is clear to read whereas he preferred map.insert(std::make_pair(key, value)) . ...
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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js

I'm trying to build a web server in node.js that will support cross-domain scripting, while still providing static files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ). ...
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Why do we need entity objects? [closed]

... I think it comes down to how complicated the "logic" of the application is, and where you have implemented it. If all your logic is in stored procedures, and all your application does is call those procedures and display the res...
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How to store standard error in a variable

Let's say I have a script like the following: 18 Answers 18 ...