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Find() vs. Where().FirstOrDefault()

I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference. ...
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Extracting just Month and Year separately from Pandas Datetime column

I have a Dataframe, df, with the following column: 11 Answers 11 ...
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Why do objects of the same class have access to each other's private data?

... Because that's how it works in C++. In C++ access control works on per-class basis, not on per-object basis. Access control in C++ is implemented as a static, compile-time feature. I think it is rather obvious that it is not really possible to implemen...
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Git branching strategy integated with testing/QA process

Our development team has been using the GitFlow branching strategy and it has been great ! 6 Answers ...
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Why use non-member begin and end functions in C++11?

Every standard container has a begin and end method for returning iterators for that container. However, C++11 has apparently introduced free functions called std::begin and std::end which call the begin and end member functions. So, instead of writing ...
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Array initialization syntax when not in a declaration

...matical reason for the restriction. Note that some of the array creation / initialization constructs were not in Java 1.0, and (IIRC) were added in Java 1.1. But "why" is immaterial ... the restriction is there, and you have to live with it. I know how to work around it, but from time to time i...
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Is gcc 4.8 or earlier buggy about regular expressions?

I am trying to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example: 3 Answe...
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Should I always return IEnumerable instead of IList?

When I'm writing my DAL or other code that returns a set of items, should I always make my return statement: 14 Answers ...
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How to disable code formatting for some part of the code using comments?

I'd like to selectively disable the IntelliJ IDEA code formatter for a portion of code just like I can in Eclipse . Does IntelliJ support this feature, and if so, how do I use it? ...
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What is %2C in a URL?

I'm trying to understand the structure of a URL, and I'm seeing a lot of %2C . I'm guessing this is a result of some encoding. What does that stand for? ...