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Why does 2 mod 4 = 2?

...| edited Aug 29 '09 at 17:33 Joe Phillips 43k2424 gold badges8989 silver badges147147 bronze badges answ...
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Format output string, right alignment

... 232 Try this approach using the newer str.format syntax: line_new = '{:>12} {:>12} {:>1...
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

...lowed by a single Newton-Raphson step) that gives nearly full precision (~23 bits of accuracy, if I remember properly), and is still somewhat faster than sqrtss. edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of thes...
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Is it possible to declare two variables of different types in a for loop?

...ith the std::string, if you want to name a type. For example: auto [vec, i32] = std::tuple{std::vector<int>{3, 4, 5}, std::int32_t{12}} A specific application of this is iterating over a map, getting the key and value, std::unordered_map<K, V> m = { /*...*/ }; for (auto& [key, va...
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Scala constructor overload?

... Jon McAuliffeJon McAuliffe 3,03611 gold badge1616 silver badges99 bronze badges ...
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Flatten an irregular list of lists

... 390 Using generator functions can make your example a little easier to read and probably boost the...
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How does the const constructor actually work?

...s with different canonicalized values (because signatures differ): var foo3 = const Foo(1, 2); // $Foo$int$1$int$2 var foo4 = const Foo(1, 3); // $Foo$int$1$int$3 var baz1 = const Baz(const Foo(1, 1), "hello"); // $Baz$Foo$int$1$int$1$String$hello var baz2 = const Baz(const Foo(1, 1), "hello"); //...
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What are 'get' and 'set' in Swift?

... 38 That's actually explained right before the code: In addition to simple properties that are sto...
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Creating a comma separated list from IList or IEnumerable

... 23 Answers 23 Active ...
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Accessing last x characters of a string in Bash

I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters? ...