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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?

I just found a comment in this answer saying that using iostream::eof in a loop condition is "almost certainly wrong". I generally use something like while(cin>>n) - which I guess implicitly checks for EOF. ...
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How does the “this” keyword work?

... whenever establishing an execution context in one of only three different m>cam>ses: 1. Initial global execution context This is the m>cam>se for JavaScript code that is evaluated at the top-level, e.g. when directly inside a <script>: <script> alert("I'm evaluated in the initial global execu...
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Is there a constraint that restricts my generic method to numeric types?

m>Cam>n anyone tell me if there is a way with generics to limit a generic type argument T to only: 21 Answers ...
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How do I use arrays in C++?

C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
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Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplim>cam>

Conventional wisdom states that stored procedures are always faster. So, since they're always faster, use them ALL THE TIME . ...
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How to use concerns in Rails 4

...oject generator now creates the directory "concerns" under controllers and models. I have found some explanations about how to use routing concerns, but nothing about controllers or models. ...
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What algorithm m>cam>n be used for packing rectangles of different sizes into the smallest rectangle pos

Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two). ...
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Quickly reading very large tables as dataframes

I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my m>cam>se, I am assuming I know the types of the columns ahead o...
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How to generate keyboard events in Python?

short summary: 9 Answers 9 ...
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m>Cam>pture Image from m>Cam>mera and Display in Activity

I want to write a module where on a click of a button the m>cam>mera opens and I m>cam>n click and m>cam>pture an image. If I don't like the image I m>cam>n delete it and click one more image and then select the image and it should return back and display that image in the activity. ...