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Is using 'var' to declare variables optional? [duplicate]

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Why can I access private variables in the copy constructor?

...t the copy constructor either - a great many operations can involve two or more instances of your class: if you're comparing, adding/multiplying/dividing, copy-constructing, cloning, assigning etc. then it's often the case that you either simply must have access to private and/or protected data in t...
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Data structure: insert, remove, contains, get random element, all at O(1)

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What is Haskell used for in the real world? [closed]

...ntagesOfFunctionalProgramming): Functional programs tend to be much more terse than their ImperativeLanguage counterparts. Often this leads to enhanced programmer productivity FP encourages quick prototyping. As such, I think it is the best software design paradigm for ExtremeProgrammers....
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Is it bad practice to use Reflection in Unit testing? [duplicate]

...in code which, apart from being harder to understand and maintain, is also more fragile. There are a whole set of errors which in the normal case would be detected by the compiler, but with Reflection they crop up as runtime exceptions only. Update: as @tackline noted, this concerns only using Refl...
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Interview questions: WPF Developer [closed]

...No questions, just see what their code is like after a couple of hours (or more if the task is longer). I have had a zero failure rate on making a hiring descision based on the results of an actual real life programming test. The task doesn't have to be too difficult. I've used a simple message of...
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How do I force make/GCC to show me the commands?

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How do I set a cookie on HttpClient's HttpRequestMessage

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Saving image from PHP URL

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How do I get the full path of the current file's directory?

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