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Using IQueryable with Linq

...ing data from a table in two ways, one which returns IEnumerable<T>, and one which returns an IQueryable<T>. Say, for example, you have a Products table, and you want to get all of the products whose cost is >$25. If you do: IEnumerable<Product> products = myORM.GetProducts(...
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What are metaclasses in Python?

In Python, what are metaclasses and what do we use them for? 22 Answers 22 ...
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How do I clear this setInterval inside a function?

Normally, I’d set the interval to a variable and then clear it like var the_int = setInterval(); clearInterval(the_int); but for my code to work I put it in an anonymous function: ...
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Error: “Cannot modify the return value” c#

... you set the X property on it then you're setting the property on the copy and then discarding it, leaving the original value unchanged. This probably isn't what you intended, which is why the compiler is warning you about it. If you want to change just the X value, you need to do something like th...
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Why start an ArrayList with an initial capacity?

...t 8 elements. Insert one (cost: 1). Insert two -- double, copy one element and insert two (cost: 2). Insert three -- double, copy two elements, insert three (cost: 3). Insert four (cost: 1). Insert five -- double, copy four elements, insert five (cost: 5). Insert six, seven and eight (cost: 3). Tota...
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Rails 3 datatypes?

...ed in rails 3? (such as text, string, integer, float, date, etc.?) I keep randomly learning about new ones, but I'd love to have a list I could easily refer to. ...
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C#/Linq: Apply a mapping function to each element in an IEnumerable?

...Forest/Trees Visual Occlusion Problem", I guess :) – Andreas Baus Aug 25 '11 at 9:00 2 Be aware t...
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boost::flat_map and its performance compared to map and unordered_map

...haven't been able to find any performance comparisons. How does it compare and what are the best use cases for it? 2 Answer...
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close vs shutdown socket?

...nderstood that if we close a socket, it means the socket will be destroyed and can be re-used later. 9 Answers ...
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Where to place AutoMapper.CreateMaps?

...nterface of words" - can't enforce it, but you expect it, so you can code (and refactor) if necessary. EDIT: Just thought I'd mention that I now use AutoMapper profiles, so the above example becomes: public static class AutoMapperWebConfiguration { public static void Configure() { Map...