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Forward declaring an enum in C++
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The reason the enum can't be forward declared is that without knowing the values, the compiler can't know the storage required for the enum variable. C++ Compiler's are allowed to specify the actual storage space based on the size necessary to contain all the values specified. If all t...
Why does Azure deployment take so long?
...redis cache on Azure. My first service on azure - been waiting for 25 mins now and can't believe that this is normal / acceptable.
– Gravy
Jan 22 '18 at 17:09
1
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Have a div cling to top of screen if scrolled down past it [duplicate]
...ed;
top: 0;
}
EDIT- Modified code to cache jQuery objects, faster now.
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What methods of ‘clearfix’ can I use?
...z' of CSS Mojo has pointed out that when targeting modern browsers, we can now drop the zoom and ::before property/values and simply use:
.container::after {
content: "";
display: table;
clear: both;
}
This solution does not support for IE 6/7 …on purpose!
Thierry also offers: "A w...
How to set a Default Route (To an Area) in MVC
... {
return (ch == '/');
}
return true;
}
}
Now as stated, this isn't a concrete engine, so you have to create that as well. This part, fortunately, is much easier, all we need to do is set the default formats and actually create the views:
AreaAwareViewEngine.cs
publ...
How to remove convexity defects in a Sudoku square?
...a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images:
lY = ImageMultiply[MorphologicalBinarize[GaussianFilter[srcAdjusted, 3, {2, 0}], {0.02, 0.05}], mask];
lX = Image...
MySQL SELECT only not null values
...uld use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality operator but this is not sta...
static function in C
...e this:
#include "header.h"
int main(void) {
FunctionInHeader();
}
Now consider three cases:
Case 1:
Our header file ("header.h") looks like this:
#include <stdio.h>
static void FunctionInHeader();
void FunctionInHeader() {
printf("Calling function inside header\n");
}
Then ...
Why not use java.util.logging?
...u.l do so out of convenience because j.u.l is bundled with the JDK. To my knowledge there are no other objective arguments in favor of j.u.l.
your own preference for j.u.l is just that, a preference.
Thus, holding "hard facts" above public opinion, while seemingly brave, is a logical fallacy in th...
Check if an element is present in an array [duplicate]
The function I am using now to check this is the following:
9 Answers
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