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Why can I use auto on a private type?
...cts of private types to template functions:
template <typename T>
void fun(T t) {}
int main() {
Foo f;
fun(f.Baz()); // ok
}
And why can we pass objects of private types to template functions, you ask? Because only the name of the type is inaccessible. The type itself is st...
Can't connect to localhost on SQL Server Express 2012 / 2016
...en
It sounds like you didn't get everything installed. Launch the install file and chose the option "New installation or add features to an existing installation". From there you should be able to make sure the database engine service gets installed.
...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...
perfect, thanks. any idea where I can get a reference for these like the ascii lookup tables?
– nc.
Apr 3 '09 at 0:35
1
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Why is DarkGray lighter than Gray?
...han plain "Gray", because "Dark Gray"
was descended from X11 – for it did not exist in HTML nor CSS level
1 – while "Gray" was descended from HTML. Even in the current draft
for CSS 4.0, dark gray continues to be a lighter shade than gray.
W3C color keywords:
DimGray '#696969' (105,...
Are default enum values in C the same for all compilers?
...
and, this identical behavior is required by both C and C++. In C++, it's [dcl.enum]: "If the first enumerator has no initializer, the value of the corresponding constant is zero. An enumerator-definition without an initializer gives...
What is the “realm” in basic authentication
...
Some servers don't provide a realm in their authentication challenges.
– orkoden
Jun 28 '13 at 17:20
5
...
position: fixed doesn't work on iPad and iPhone
...);
$("#fixedDiv").css("display", "block");
}
}
// in the CSS file should stand:
#fixedDiv {position: fixed; bottom: 0; height: 45px; whatever else}
Hope it helps.
share
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improve th...
Difference between \A \z and ^ $ in Ruby regular expressions
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If you're depending on the regular expression for validation, you always want to use \A and \z. ^ and $ will only match up until a newline character, which means they could use an email like me@example.com\n<script>dangerous_stuff();</script> and still have it valid...
How can I access a JavaScript object which has spaces in the object's key?
...
Use ECMAscripts "bracket notation":
myTextOptions[ 'character names' ].kid;
You can use that notation either way, reading & writting.
For more information read out here:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects
...
Why Collections.sort uses merge sort instead of quicksort?
...
Highly likely from Josh Bloch §:
I did write these methods, so I suppose I'm qualified to answer. It is
true that there is no single best sorting algorithm. QuickSort has
two major deficiencies when compared to mergesort:
It's not stable (as parsif...