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Why not inherit from List?

... What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles? Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank: A foot...
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Why does Razor _layout.cshtml have a leading underscore in file name?

...ith the underscore. And the Web Pages framework has been configured not to allow files with leading underscores in their names from being requested directly. Other .cshtml files within Web Pages generally need to be browsable. They are the equivalent of .asp or .php files. The ASP.NET team have sta...
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ie8 var w= window.open() - “Message: Invalid argument.”

...n you look at the official documentation page, you see that Microsoft only allows the following arguments, If using that argument at all: _blank _media _parent _search _self _top share | improve ...
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How can I use threading in Python?

...ticle/blog post that you should definitely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code: from multiprocessing.dummy import Pool as ThreadPool pool = ThreadPool(4) results = pool.m...
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What's the $unwind operator in MongoDB?

...hat it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations. That being said, in order to understand the concept behind the $unwind parameter, you first must understand what the use case that you ...
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Flatten nested dictionaries, compressing keys

... Basically the same way you would flatten a nested list, you just have to do the extra work for iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step. import collectio...
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How to serve an image using nodejs

... 2016 Update Examples with Express and without Express that actually work This question is over 5 years old but every answer has some problems. TL;DR Scroll down for examples to serve an image with: express.static express connect http net All of the examples are also on GitHub: htt...
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Unit testing that events are raised in C# (in order)

...ited May 12 '11 at 15:38 David Hall 30.2k1010 gold badges8484 silver badges119119 bronze badges answered Oct 30 '08 at 1:45 ...
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What's the _ underscore representative of in Swift References?

...ng, s2: String) -> String { return s1 + s2; } } When you call foo(), it is called like bar.foo("Hello", s2: "World"). But, you can override this behavior by using _ in front of s2 where it's declared. func foo(s1: String, _ s2: String) -> String{ return s1 + s2; } Then, w...
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What is the size of an enum in C?

...set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an e...