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Signed to unsigned conversion in C - is it always safe?
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If both operands have the same type, then no further conversion is needed.
Otherwise, if both operands have signed integer types or both have unsigned integer types, the operand with the type of lesser integer conversion rank is converted to the type of the operand with greater rank.
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C++ SFINAE examples?
...late meta-programming. I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE?
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Why does Enumerable.All return true for an empty sequence? [duplicate]
...ce sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.
Now you can argue about whether or not it should work that way (it seems fine to me; every element of the sequence conforms to the predicate) but the very first thing to check before you ask whet...
Why does printf not flush after the call unless a newline is in the format string?
Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time?
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What are the differences between LDAP and Active Directory?
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Active Directory is a database based system that provides authentication, directory, policy, and other services in a Windows environment
LDAP (Lightweight Directory Access Protocol) is an application protocol for querying and modifying items...
Do you need to dispose of objects and set them to null?
Do you need to dispose of objects and set them to null, or will the garbage collector clean them up when they go out of scope?
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How does JavaScript .prototype work?
...tten my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works?
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What exactly is LLVM?
...l, then it's in Haskell, then someone uses it in some other language? What is it?
6 Answers
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Circle line-segment collision detection algorithm?
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Taking
E is the starting point of the ray,
L is the end point of the ray,
C is the center of sphere you're testing against
r is the radius of that sphere
Compute:
d = L - E ( Direction vector of ray, from start to end )
f = E ...
How is the 'use strict' statement interpreted in Node.js? [duplicate]
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"use strict";
Basically it enables the strict mode.
Strict Mode is a feature that allows you to place a program, or a function, in a "strict" operating context. In strict operating context, the method form binds this to the objects as before. The function form binds this to undefined, not...