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Best practices for circular shift (rotate) operations in C++
...ed it to rotate by the width of the type (using fixed-width types like uint32_t).
#include <stdint.h> // for uint32_t
#include <limits.h> // for CHAR_BIT
// #define NDEBUG
#include <assert.h>
static inline uint32_t rotl32 (uint32_t n, unsigned int c)
{
const unsigned int ma...
Circle line-segment collision detection algorithm?
...'ve simplified the problem to 2D here, the solution we get applies also in 3D
to get:
Expand
x2 - 2xh + h2 + y2 - 2yk + k2 - r2 = 0
Plug
x = ex + tdx
y = ey + tdy
( ex + tdx )2 - 2( ex + tdx )h + h2 +
( ey + tdy )2 - 2( ey + tdy )k + k2 - r2 = 0
Explode
ex2 + 2extdx + t2dx2 - 2exh - 2tdxh + h2 ...
MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...;
DockPane(&m_Panes[1]);// BOTTOM
DockPane(&m_Panes[0]);// LEFT
（3）第三种情况
if (!m_Panes[0].Create(_T("Pane 0"), this, CRect(0, 0, 200, 100), TRUE, 1000,
WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | CBRS_LEFT | CBRS_FLOAT_MULTI))
{return FALS...
LINQ Select Distinct with Anonymous Types
...
Matt HamiltonMatt Hamilton
183k5959 gold badges376376 silver badges317317 bronze badges
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Check if a class has a member function of a given signature
...
Oktalist
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answered Sep 17 '08 at 21:27
yrpyrp
4,319...
Average of 3 long integers
I have 3 very large signed integers.
12 Answers
12
...
How can you encode a string to Base64 in JavaScript?
...
answered Oct 29 '08 at 15:31
Shog9Shog9
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...
Fixed size queue which automatically dequeues old values upon new enques
...
Sawan
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answered May 2 '11 at 2:10
Richard SchneiderRic...
How do you detect where two line segments intersect? [closed]
...ntersect.
Credit: this method is the 2-dimensional specialization of the 3D line intersection algorithm from the article "Intersection of two lines in three-space" by Ronald Goldman, published in Graphics Gems, page 304. In three dimensions, the usual case is that the lines are skew (neither paral...
Why is `std::move` named `std::move`?
... int& j)
{
i = j;
}
Compiled with clang++ -std=c++14 test.cpp -O3 -S, this produces this object code:
__Z4testRiS_: ## @_Z4testRiS_
.cfi_startproc
## BB#0:
pushq %rbp
Ltmp0:
.cfi_def_cfa_offset 16
Ltmp1:
.cfi_offset %rbp, -16
movq %rsp, ...