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Will Dispose() be called in a using statement with a null object?

Is it safe to use the using statement on a (potentially) null object? Consider the following example: 5 Answers ...
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Running two projects at once in Visual Studio

I created a solution in Visual C# 2010 Express that contains two projects: one is the client, the other is the server. I would like to debug both at the same time, but I can only seem to run one of the projects during debugging. ...
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How to trace the path in a Breadth-First Search?

How do you trace the path of a Breadth-First Search, such that in the following example: 5 Answers ...
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What is the “Temporary ASP.NET Files” folder for?

I've discovered this folder in C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files and have a few questions. ...
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How do I use Linq to obtain a unique list of properties from a list of objects?

I'm trying to use Linq to return a list of ids given a list of objects where the id is a property. I'd like to be able to do this without looping through each object and pulling out the unique ids that I find. ...
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Partly JSON unmarshal into a map in Go

My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
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PostgreSQL, checking date relative to “today”

Was wondering if someone could assist with some Postgres. I have a table which has a column called mydate which is a postgres date type. I want to do something like: ...
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How to sort a Ruby Hash by number value?

I have a counter hash that I am trying to sort by count. The problem I am running into is that the default Hash.sort function sorts numbers like strings rather than by number size. ...
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How to get Top 5 records in SqLite?

I have tried this which did not work. 6 Answers 6 ...
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Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())

Erg, I'm trying to find these two methods in the BCL using Reflector, but can't locate them. What's the difference between these two snippets? ...