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What does T&& (double ampersand) mean in C++11?
...ry on A1& and on A1 const&. That might be fine if factory takes 1 parameter type, but each additional parameter type would multiply the necessary overload set by 2. That's very quickly unmaintainable.
rvalue references fix this problem by allowing the standard library to define a std::for...
How do I check for a network connection?
...ed, as well as virtual network cards.
/// </summary>
/// <param name="minimumSpeed">The minimum speed required. Passing 0 will not filter connection using speed.</param>
/// <returns>
/// <c>true</c> if a network connection is available; otherw...
Add CSS or JavaScript files to layout head from views or partial views
... List<string>();
}
public Component Requires(params string[] libraryNames)
{
foreach (var lib in libraryNames)
{
if (!RequiredLibraries.Contains(lib))
{ RequiredLibraries.Add(lib); }...
What is q=0.5 in Accept* HTTP headers?
...
to @kolypto, parameter lists, whether in a URL or in a header doen't have an implicit order.
– JP Silvashy
Jan 24 '17 at 19:58
...
How to calculate the bounding box for a given lat/lng location?
...inate class in System.Device.Location that takes Latitude and Longitude as parameters.
– Lawyerson
Oct 16 '15 at 9:31
1
...
What are C++ functors and their uses?
...
SomeClass(const char* s) : state_(s) {}
void method( std::string param )
{
std::cout << state_ << param << std::endl;
}
};
SomeClass *inst = new SomeClass("Hi, i am ");
boost::function< void (std::string) > callback;
callback = boost::bind(&SomeC...
URL Encode a string in jQuery for an AJAX request
...
This solved my problem - when I was passing in a URL as a parameter to my AJAX request, the URL was losing everything after the & for any query strings in it. When I added this, that solved my problem. Thanks!
– theJerm
Aug 18 '14 at 19:00
...
Retrieve a Fragment from a ViewPager
...not relying on a private api / method, which is always dangerous.
/**
* @param containerViewId the ViewPager this adapter is being supplied to
* @param id pass in getItemId(position) as this is whats used internally in this class
* @return the tag used for this pages fragment
*/
public static S...
Proper way to declare custom exceptions in modern Python?
...elf, message, errors):
# Call the base class constructor with the parameters it needs
super(ValidationError, self).__init__(message)
# Now for your custom code...
self.errors = errors
That way you could pass dict of error messages to the second param, and get to i...
Resize image in PHP
...
I hope is will work for you.
/**
* Image re-size
* @param int $width
* @param int $height
*/
function ImageResize($width, $height, $img_name)
{
/* Get original file size */
list($w, $h) = getimagesize($_FILES['l...