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Variable number of arguments in C++?
...int i = 2; i <= n_args; i++) {
int a = va_arg(ap, int);
if(a > max) max = a;
}
va_end(ap);
return max;
}
If you ask me, this is a mess. It looks bad, it's unsafe, and it's full of technical details that have nothing to do with what you're conceptually trying to a...
Extracting extension from filename in Python
... @klingt.net Well, in that case, .asd is really the extension!! If you think about it, foo.tar.gz is a gzip-compressed file (.gz) which happens to be a tar file (.tar). But it is a gzip file in first place. I wouldn't expect it to return the dual extension at all.
– ...
When do you need to explicitly call a superclass constructor?
...
You never need just
super();
That's what will be there if you don't specify anything else. You only need to specify the constructor to call if:
You want to call a superclass constructor which has parameters
You want to chain to another constructor in the same class instead of t...
How to get URL of current page in PHP [duplicate]
... info is available in the $_SERVER array, see the PHP manual page for it.
If you also need the query string (the bit after the ? in a URL), that part is in this variable:
$_SERVER['QUERY_STRING']
share
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Java ArrayList how to add elements at the beginning
...the element at the beginning of the array (so it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the highest index).
...
ASP.Net MVC Html.HiddenFor with wrong value
...e POST request and after that the value in the model. This means that even if you modify the value of the model in your controller action if there is the same variable in the POST request your modification will be ignored and the POSTed value will be used.
One possible workaround is to remove this ...
How to list the contents of a package using YUM?
...8.0, yum v3.2.29, and repoquery v0.0.11, repoquery -l rpm prints nothing.
If you are having this issue, try adding the --installed flag: repoquery --installed -l rpm.
DNF Update:
To use dnf instead of yum-utils, use the following command:
$ dnf repoquery -l time
/usr/bin/time
/usr/share/doc/ti...
jQuery set checkbox checked
...add to the conversation.
Here is the longhand code for a fullcalendar modification that says if the retrieved value "allDay" is true, then check the checkbox with ID "even_allday_yn":
if (allDay)
{
$( "#even_allday_yn").prop('checked', true);
}
else
{
$( "#even_allday_yn").prop('checked',...
Value of type 'T' cannot be converted to
...
Even though it's inside of an if block, the compiler doesn't know that T is string.
Therefore, it doesn't let you cast. (For the same reason that you cannot cast DateTime to string)
You need to cast to object, (which any T can cast to), and from there to...
Is it correct to use alt tag for an anchor link?
...
Such things are best answered by looking at the official specification:
go to the specification: https://www.w3.org/TR/html5/
search for "a element": https://www.w3.org/TR/html5/text-level-semantics.html#the-a-element
check "Content attributes", which lists all allowed attributes for...