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Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...e autoincrement PK, it forces you to truncate.
– François Breton
Oct 2 '13 at 15:33
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Order of items in classes: Fields, Properties, Constructors, Methods
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@FrançoisWahl Is the overhead associated with the compiler combining partial classes into a single type that large?
– dav_i
Sep 4 '12 at 9:14
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Android and setting alpha for (image) view alpha
...(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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Why doesn't C have unsigned floats?
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C99 supports complex numbers, and a type generic form of sqrt, so sqrt( 1.0 * I) will be negative.
The commentors highlighted a slight gloss above, in that I was referring to the type-generic sqrt macro rather than the function, and it will return a scalar floating point value by truncation of...
How to calculate cumulative normal distribution?
...ve distribution function for the standard normal distribution'
return (1.0 + erf(x / sqrt(2.0))) / 2.0
Ref:
https://docs.python.org/2/library/math.html
https://docs.python.org/3/library/math.html
How are the Error Function and Standard Normal distribution function related?
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How to define a two-dimensional array?
...h anonymous loop counter you're not using
– Jean-François Fabre♦
Nov 11 '18 at 20:38
Nice that you point out the pr...
In Java, what does NaN mean?
..._div_zero = 0.0f / 0.0f;
float sqrt_negative = (float)Math.sqrt(-1.0);
float log_negative = (float)Math.log(-1.0);
float inf_minus_inf = Float.POSITIVE_INFINITY - Float.POSITIVE_INFINITY;
float inf_times_zero = Float.POSITIVE_INFINITY * 0.0f;
float quiet_...
Get generic type of java.util.List
...ed Jan 31 '17 at 21:45
Jean-François Savard
19.1k55 gold badges4040 silver badges6666 bronze badges
answered Dec 21 '09 at 21:18
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Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
...are integers and you enumerate the ranges into arrays. Consider the range (1.0...3.5) - what is the value just before 3.5? Certainly not 2.5!
– Chris Heald
Jul 27 '15 at 23:32
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How to make a div fill a remaining horizontal space?
...edited May 10 at 22:35
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered May 10 '11 at 19:20
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