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What is the “Execute Around” idiom?

... Basically it's the pattern where you write a method to do things which are always required, e.g. resource allocation and clean-up, and make the caller pass in "what we want to do with the resource". For example: public interface ...
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How to force LINQ Sum() to return 0 while source collection is empty

Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown. Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
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Play audio from a stream using C#

... on my blog explaining how to play back an MP3 stream using NAudio. Essentially you have one thread downloading MP3 frames, decompressing them and storing them in a BufferedWaveProvider. Another thread then plays back using the BufferedWaveProvider as an input. ...
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jQuery checkbox event handling

... Just a small tip. You will get a performance boost by using input:checkbox in your selector instead of just :checkbox since the latter is translated to the universal selector *:checkbox. – jimmystormig ...
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Why do we need boxing and unboxing in C#?

... Why To have a unified type system and allow value types to have a completely different representation of their underlying data from the way that reference types represent their underlying data (e.g., an int is just a bucket of thirty-two bits which is completely ...
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Can unit testing be successfully added into an existing production project? If so, how and is it wor

...oject that is in production. It was started 18 months ago before I could really see any benefit of TDD (face palm) , so now it's a rather large solution with a number of projects and I haven't the foggiest idea where to start in adding unit tests. What's making me consider this is that occasionally...
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@import vs #import - iOS 7

... It's a new feature called Modules or "semantic import". There's more info in the WWDC 2013 videos for Session 205 and 404. It's kind of a better implementation of the pre-compiled headers. You can use modules with any of the system frameworks in...
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How to delete an app from iTunesConnect / App Store Connect

... Edit December 2018: Apple seem to have finally added a button for removing the app in certain situations, including apps that never went on sale (thanks to @iwill for pointing that out), basically making the below answer irrelevant. Edit: turns out the deleted apps ...
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Get Specific Columns Using “With()” Function in Laravel Eloquent

...n this case) needs to be the first param in the $query->select() to actually retrieve the necessary results.* share | improve this answer | follow | ...
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Can constructors be async?

...her “fire and forget” void, or Task. If the constructor of type T actually returned Task<T>, that would be very confusing, I think. If the async constructor behaved the same way as an async void method, that kind of breaks what constructor is meant to be. After constructor returns, you s...