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iOS - Calling App Delegate method from ViewController
...at I am trying to do is click a button (that was created in code) and have it call up a different view controller then have it run a function in the new view controller.
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What is the 'override' keyword in C++ used for? [duplicate]
...that I am working on. May I know, what is real use of override , perhaps with an example would be easy to understand.
4 An...
What is the difference between :focus and :active?
...ave a <button>. The <button> will not have any state to begin with. It just exists. If we use Tab to give "focus" to the <button>, it now enters its :focus state. If you then click (or press space), you then make the button enter its (:active) state.
On that note, when you click o...
ViewPager and fragments — what's the right way to store fragment's state?
...m to be very nice for separation of UI logic into some modules. But along with ViewPager its lifecycle is still misty to me. So Guru thoughts are badly needed!
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Run javascript function when user finishes typing instead of on key up?
...ajax request when the user has finished typing in a text box. I don't want it to run the function on every time the user types a letter because that would result in A LOT of ajax requests, however I don't want them to have to hit the enter button either.
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Prevent any form of page refresh using jQuery/Javascript
...on() {
return "Dude, are you sure you want to leave? Think of the kittens!";
}
</script>
The user will be prompted with the message, and given an option to stay on the page or continue on their way. This is becoming more common. Stack Overflow does this if you try to navigate awa...
Why should you use an ORM? [closed]
...cess more abstract and portable. ORM implementation classes know how to write vendor-specific SQL, so you don't have to.
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Delete an element from a dictionary
Is there a way to delete an item from a dictionary in Python?
15 Answers
15
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What does the CSS rule “clear: both” do?
..., and will explain to you graphically why clear: both; is required or what it does...
Generally designers float the elements, left or to the right, which creates an empty space on the other side which allows other elements to take up the remaining space.
Why do they float elements?
Elements are f...
Catch Ctrl-C in C
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With a signal handler.
Here is a simple example flipping a bool used in main():
#include <signal.h>
static volatile int keepRunning = 1;
void intHandler(int dummy) {
keepRunning = 0;
}
// ...
int main(void) {
...