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How are virtual functions and vtable implemented?
...a vtable
Foo z = arg; // copy constructor Foo::Foo(const Foo&) will convert to Foo
z.a(); // non-virtual Foo::a, since z is a Foo, even if arg was not
}
The steps the hardware has to take are essentially the same, no matter whether the function is overwritten or not. The address of...
Accessing an SQLite Database in Swift
...nts. Declare Swift enums for discrete data types. Define your own database-convertible types.
Database Migrations
Speed: https://github.com/groue/GRDB.swift/wiki/Performance
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Find nearest latitude/longitude with an SQL query
...All the abs should be removed. There is no need to take the abs value when converting from degrees to radians, and, even if you did, you are doing it to just one of the latitudes. Please edit it so it fixes the bug.
– Chango
Jan 12 '16 at 21:59
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What's the difference between std::move and std::forward
...orward, but one can add cv-qualifiers. Y can not be a type that is merely convertible from X, except via an accessible Base conversion.
If Y is an lvalue reference, the result will be an lvalue expression. If Y is not an lvalue reference, the result will be an rvalue (xvalue to be precise) expre...
Split string into array of character strings
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How would you convert cArray back to String?
– Bitmap
Jun 27 '11 at 8:19
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
...ver, if you supply a RoundingMode and a precision, then it will be able to convert (eg. 1.333333333-to-infinity to something like 1.3333 ... but you as the programmer need to tell it what precision you're 'happy with'.
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What is dynamic programming? [closed]
...elf, usually with a smaller dataset. Since most recursive functions can be converted to similar iterative functions, this doesn't make a difference for algorithmic complexity either.
Dynamic programming is the process of solving easier-to-solve sub-problems and building up the answer from that. Mos...
Hidden features of WPF and XAML?
...into words just how much I love that feature. I hated having tons of value converters laying around.
– Rob
Jul 14 '09 at 13:53
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Decompressing GZip Stream from HTTPClient Response
...d JSON
response = client.GetAsync(url).Result;
//converts JSON to string
string responseJSONContent = response.Content.ReadAsStringAsync().Result;
//deserializes string to list
var jsonList = DeSerializeJsonString(responseJSONContent);
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Python how to write to a binary file?
... With Python 2 on Windows, I found that writing a bytearray still converts \n to \r\n, making it unsatisfactory for binary data, if the "b" flag is not passed when opening the file.
– feersum
Dec 11 '14 at 13:03
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