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How to use the PI constant in C++
...ath.h>
and the value of pi can be accessed via:
M_PI
In my math.h (2014) it is defined as:
# define M_PI 3.14159265358979323846 /* pi */
but check your math.h for more. An extract from the "old" math.h (in 2009):
/* Define _USE_MATH_DEFINES before including math.h to expose t...
What is the difference between print and puts?
...docs (since the example has only 1 argument).
– cdunn2001
Jul 29 '12 at 23:49
3
There is another ...
how do I use the grep --include option for multiple file types?
...his case.
– mklement0
May 22 '17 at 20:30
2
...
Stack Memory vs Heap Memory [duplicate]
...rocess.
– user2100815
Apr 29 '11 at 20:06
@unapersson: The RAM is the RAM, and the SP can be change and assigned of co...
How do Trigonometric functions work?
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answered Dec 5 '08 at 20:59
John D. CookJohn D. Cook
27.7k1010 gold badges6262 silver badges9393 bronze badges
...
How to add text inside the doughnut chart using Chart.js?
...n in function drawPieSegments
ctx.fillText(data[0].value + "%", width/2 - 20, width/2, 200);
See this pull: https://github.com/nnnick/Chart.js/pull/35
here is a fiddle http://jsfiddle.net/mayankcpdixit/6xV78/ implementing the same.
...
FB OpenGraph og:image not pulling images (possibly https?)
...ey have now acknowledged that they are "looking into this."
Update: As of 2020, the bug is no longer visible in Facebook's ticket system. They never responded and I don't believe this behavior has changed. However, specifying HTTPS URI in og:image:secure does seem to be working fine.
...
Position of least significant bit that is set
...MultiplyDeBruijnBitPosition[32] =
{
0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8,
31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9
};
r = MultiplyDeBruijnBitPosition[((uint32_t)((v & -v) * 0x077CB531U)) >> 27];
Helpful references:
"Using de Bruijn Sequences ...
PHP - find entry by object property from an array of objects
...
answered Jan 20 '11 at 2:27
PhilPhil
120k1818 gold badges187187 silver badges194194 bronze badges
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Java; String replace (using regular expressions)?
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answered Mar 10 '09 at 20:50
Can Berk GüderCan Berk Güder
94.3k2424 gold badges125125 silver badges133133 bronze badges
...