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How is std::function implemented?
According to the sources I have found, a lambda expression is essentially implemented by the compiler creating a class with overloaded function call operator and the referenced variables as members. This suggests that the size of lambda expressions varies, and given enough references variables tha...
What do 'statically linked' and 'dynamically linked' mean?
...ten in C , C++ or C# . What are they, what exactly are they talking about, and what are they linking?
5 Answers
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...both bitonal (bitmap) and color images with millions of pixels. I have a number of questions:
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Why do access tokens expire?
I am just getting started working with Google API and OAuth2. When the client authorizes my app I am given a "refresh token" and a short lived "access token". Now every time the access token expires, I can POST my refresh token to Google and they will give me a new access token.
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JSON.net: how to deserialize without using the default constructor?
I have a class that has a default constructor and also an overloaded constructor that takes in a set of parameters. These parameters match to fields on the object and are assigned on construction. At this point i need the default constructor for other purposes so i would like to keep it if i can. ...
Why do I have to access template base class members through the this pointer?
If the classes below were not templates I could simply have x in the derived class. However, with the code below, I have to use this->x . Why?
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When should I mock?
I have a basic understanding of mock and fake objects, but I'm not sure I have a feeling about when/where to use mocking - especially as it would apply to this scenario here .
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Reduce, fold or scan (Left/Right)?
When should I use reduceLeft , reduceRight , foldLeft , foldRight , scanLeft or scanRight ?
3 Answers
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What's the magic of “-” (a dash) in command-line parameters?
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If you mean the naked - at the end of the tar command, that's common on many commands that want to use a file.
It allows you to specify standard input or output rather than an actual file name.
That's the case for your first and...
List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
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