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What is the facade design pattern?
...bsystem
easier to use.
Try to understand the scenario with and without Façade:
If you want to transfer the money from accout1 to account2 then the two subsystems to be invoked are, withdraw from account1 and deposit to account2.
...
Printf width specifier to maintain precision of floating-point value
... in:
#include <float.h>
int Digs = DECIMAL_DIG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
L...
What represents a double in sql server?
...ed Jul 30 '19 at 12:51
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Jul 30 '09 at 20:40
...
Histogram using gnuplot?
...n(x,width)=width*floor(x/width)
plot 'datafile' using (bin($1,binwidth)):(1.0) smooth freq with boxes
check out help smooth freq to see why the above makes a histogram
to deal with ranges just set the xrange variable.
sha...
What is the fastest way to get the value of π?
... loop_ a_n b_n t_n p_n (i - 1)
in
let a,b,t,p = loop_ (1.0) (1.0 /. (sqrt 2.0)) (1.0/.4.0) (1.0) iters in
(a +. b) *. (a +. b) /. (4.0 *. t)
Lastly, how about some pi golf (800 digits)? 160 characters!
int a=10000,b,c=2800,d,e,f[2801],g;main(){for(;b-c;)f[b++]=a/5;for(;d=0...
How can I run an external command asynchronously from Python?
... edited Jan 15 at 9:28
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Jul 6 '10 at 14:30
...
What's the correct way to convert bytes to a hex string in Python 3?
...ed Oct 24 '19 at 13:11
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Mar 22 '16 at 8:07
...
Android - How To Override the “Back” button so it doesn't Finish() my Activity?
...eral, though, I agree: avoid overriding.
– Matt Briançon
May 9 '11 at 7:17
4
...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...?\n"; //← you might end up here when x == y!!
}
}
int main()
{
foo(1.0, 1.0);
return 0;
}
See Why is cos(x) != cos(y) even though x == y? for more info.
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...
Determine on iPhone if user has enabled push notifications
...ted May 4 '19 at 13:51
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Mar 27 '12 at 22:28
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