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Assigning code to a variable

...assign it to an Action like this: var ButtonClicked = new Action(() => MessageBox.Show("hi")); Then call it: ButtonClicked(); For completeness (in regards to the various comments)... As Erik stated, you could execute multiple lines of code: var ButtonClicked = new Action(() => { Me...
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How do I find the duplicates in a list and create another list with them?

... To remove duplicates use set(a). To print duplicates, something like: a = [1,2,3,2,1,5,6,5,5,5] import collections print([item for item, count in collections.Counter(a).items() if count > 1]) ## [1, 2, 5] Note that Counter is not particularly efficient (timings) and probab...
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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?

jQuery's Deferred has two functions which can be used to implement asynchronous chaining of functions: 3 Answers ...
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Differences between socket.io and websockets

...id using WebSockets directly unless you are very familiar with what environments they don't work and you are capable of working around those limitations. This is a good read on both WebSockets and Socket.IO. http://davidwalsh.name/websocket ...
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Best practice: AsyncTask during orientation change

...urationInstance() either. This is less modular and not well-suited for Fragment-based applications. You can read my article describing how to handle configuration changes using retained Fragments. It solves the problem of retaining an AsyncTask across a rotation change nicely. You basically need to...
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?

..." property of assembly references in Visual Studio 2010. After a few experiments with unexpected results I set out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the question: ...
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How can I get a web site's favicon?

...y system tray so that I can open often-used sites/folders/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get the favicon from a website. (SO has the grey->orange stack icon in the address bar for instance) ...
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Entity Framework and Connection Pooling

I've recently started to use the Entity Framework 4.0 in my .NET 4.0 application and am curious about a few things relating to pooling. ...
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Using emit vs calling a signal as if it's a regular function in Qt

...cting the C++ code generated by moc. For example a foo signal with no parameters generates this member function: void W::foo() { QMetaObject::activate(this, &staticMetaObject, 0, 0); } And the code emit foo(); is pre-processed to simply foo(); emit is defined in Qt/qobjectdefs.h (in the...
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Why is String.chars() a stream of ints in Java 8?

In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way? ...