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Difference between == and ===
... You can also override isEqual: in Swift: override func isEqual(_ object: Any?) -> Bool {}
– Thomas Elliot
Sep 16 '17 at 1:33
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Detecting taps on attributed text in a UITextView in iOS
...UITapGestureRecognizer(target: self, action: #selector(myMethodToHandleTap(_:)))
tap.delegate = self
textView.addGestureRecognizer(tap)
}
@objc func myMethodToHandleTap(_ sender: UITapGestureRecognizer) {
let myTextView = sender.view as! UITextView
let layou...
#include in .h or .c / .cpp?
...
True, but doesn't the #ifndef _CALLBACK_H_, on the top of it, prevent the compiler in processing it more than once?
– hytromo
Feb 8 '14 at 12:25
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Spring get current ApplicationContext
...n test) that caused a lot of tricky bugs.
– Oleksandr_DJ
Jun 26 '18 at 19:54
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Git push/clone to new server
... For a closer effect as a "push cloning" rather than just pushinh a _branch_: git push -u --all we can omit origin as it's the default assumed name for pushing and -u will also track the remote branches.
– cregox
Dec 2 '11 at 18:34
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How to use QueryPerformanceCounter?
...
#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryP...
Purpose of Django setting ‘SECRET_KEY’
What exactly is the point of the SECRET_KEY in django? I did a few google searches and checked out the docs ( https://docs.djangoproject.com/en/dev/ref/settings/#secret-key ), but I was looking for a more in-depth explanation of this, and why it is required.
...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
... directly use delegates to sum or subtract. Instead your field
MyHandler _myEvent;
Should be instead declared as an event as well. This will solve the problem without risking your solution and still have the benefit of event usage.
event MyHandler _myEvent;
Usage of delegate sum or subtract i...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...er correct entries).
So, instead of:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex]
};
it should be:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex].value
};
Note: check Jason Kulatunga's answer, it quotes JQuery doc to explain wh...
ASP.NET MVC: Is Controller created for every request?
...ntext, Type controllerType)
{
try
{
return (IController)(_resolverThunk().GetService(controllerType) ?? Activator.CreateInstance(controllerType));
}
The longer version is this (Here's the code from the source from the MvcHandler):
protected internal virtual void ProcessReque...