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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...
91
The order of evaluation of subexpressions, including
the arguments of a function call and
ope...
How to convert number to words in java
....convert(90));
System.out.println("*** " + FrenchNumberToWords.convert(91));
System.out.println("*** " + FrenchNumberToWords.convert(97));
System.out.println("*** " + FrenchNumberToWords.convert(100));
System.out.println("*** " + FrenchNumberToWords.convert(101));
System.out.prin...
What is a “cache-friendly” code?
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91
Optimizing cache usage largely comes down to two factors.
Locality of Reference
The first facto...
Controlling fps with requestAnimationFrame?
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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?
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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 ...
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?
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Tony DelroyTony Delroy
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