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How do I clone a subdirectory only of a Git repository?
...T 2.24.1 (throws tons of "unable to read sha1 file of.." + "Unlink of file xxx failed."). Worked as a charm with same version on Linux.
– Oyvind
Dec 16 '19 at 11:40
...
Controlling fps with requestAnimationFrame?
...
Hydroper
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answered Nov 4 '13 at 16:25
markEmarkE
...
Is MATLAB OOP slow or am I doing something wrong?
...operty: 0.12992 1.30
classdef property with getter: 1.39912 13.99
+pkg.nop() function: 0.87345 8.73
+pkg.nop() from inside +pkg: 0.80501 8.05
Java obj.nop(): 1.86378 18.64
Java nop(obj): 0.22645 2.26
Java feval(...
Fastest way to determine if an integer's square root is an integer
... long int int64;
int start[1024] =
{1,3,1769,5,1937,1741,7,1451,479,157,9,91,945,659,1817,11,
1983,707,1321,1211,1071,13,1479,405,415,1501,1609,741,15,339,1703,203,
129,1411,873,1669,17,1715,1145,1835,351,1251,887,1573,975,19,1127,395,
1855,1981,425,453,1105,653,327,21,287,93,713,1691,1935,301,551,...
What is referential transparency?
...
91
A referentially transparent function is one which only depends on its input.
...
Cartesian product of x and y array points into single array of 2D points
...d. dev. of 7 runs, 100 loops each)
cartesian_product_transpose:
7.87 ms ± 91.5 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
cartesian_product_itertools:
518 ms ± 5.5 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
In [6]: test_cartesian(*(x50 * 4))
cartesian_product:
169 ms ...
Repeat String - Javascript
...) s += x;
return s;
}
/* Example of output: stringFill1('x', 3) == 'xxx' */
The syntax is here is clear. As you can see, we've used local function variables already, before going on to more optimizations.
Be aware that there's one innocent reference to an object property s.length in the c...
What does multicore assembly language look like?
...or a particular condition.
The syscall name itself means "Fast Userspace XXX".
Here is a minimal useless C++ x86_64 / aarch64 example with inline assembly that illustrates basic usage of such instructions mostly for fun:
main.cpp
#include <atomic>
#include <cassert>
#include <ios...
Why is a round-trip conversion via a string not safe for a double?
...(0xba43b74000000000),
/*12*/ I64(0xe8d4a51000000000),
/*13*/ I64(0x9184e72a00000000),
/*14*/ I64(0xb5e620f480000000),
/*15*/ I64(0xe35fa931a0000000),
// powers of 0.1
/*1*/ I64(0xcccccccccccccccd),
/*2*/ I64(0xa3d70a3d70a3d70b),
/*3*/ I64(0x83126e978d4fdf3c),
/*4...
What is the copy-and-swap idiom?
...
Tony DelroyTony Delroy
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...