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count vs length vs size in a collection

From using a number of programming languages and libraries I have noticed various terms used for the total number of elements in a collection. ...
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The imported project “C:\Microsoft.CSharp.targets” was not found

I got this error today when trying to open a Visual Studio 2008 project in Visual Studio 2005: 16 Answers ...
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How do I split a string by a multi-character delimiter in C#?

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What is a predicate in c#? [duplicate]

I am very new to using predicates and just learned how to write: 4 Answers 4 ...
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How do I get the key at a specific index from a Dictionary in Swift?

I have a Dictionary in Swift and I would like to get a key at a specific index. 10 Answers ...
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Two way/reverse map [duplicate]

I'm doing this switchboard thing in python where I need to keep track of who's talking to whom, so if Alice --> Bob, then that implies that Bob --> Alice. ...
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Create web service proxy in Visual Studio from a WSDL file

My application needs to talk to a web service that hasn't got an online WSDL definition. The developers however supplied me with a WSDL file. ...
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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]

Have we (as a community) had enough experience to determine when and/or whether auto is being abused? 6 Answers ...
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Why does the order of the loops affect performance when iterating over a 2D array?

Below are two programs that are almost identical except that I switched the i and j variables around. They both run in different amounts of time. Could someone explain why this happens? ...
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Count how many files in directory PHP

I'm working on a slightly new project. I wanted to know how many files are in a certain directory. 15 Answers ...