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What’s the best way to reload / refresh an iframe?
...to reload an <iframe> using JavaScript. The best way I found until now was set the iframe’s src attribute to itself, but this isn’t very clean. Any ideas?
...
What is Node.js? [closed]
...vent loops with first class function objects and closures. People already know how to use it this way having used it in the browser to respond to user initiated events.
A lot of people already know JavaScript, even people who do not claim to be programmers. It is arguably the most popular programmin...
What is “rvalue reference for *this”?
...n"; }
};
int main(){
test t;
t.f(); // OK
test().f(); // OK too
}
Now, onto why @Nicol's answer is atleast partly wrong. He says:
Note that this declaration changes the type of *this.
That is wrong, *this is always an lvalue:
§5.3.1 [expr.unary.op] p1
The unary * operator performs indir...
How to limit setAccessible to only “legitimate” uses?
...-so-ever. The singleton pattern (putting doubts about its merits aside) is now impossible to enforce.
If that worries you, then I suppose you need to worry. But really you should not be trying to force other programmers to respect your design decisions. If people are stupid enough to use reflect...
What does 'super' do in Python?
... to super and the correct method arguments right can be difficult. If you know you're using super correctly with single inheritance, that makes debugging less difficult going forward.
Dependency Injection
Other people can use your code and inject parents into the method resolution:
class SomeBase...
Passing Data between View Controllers
...elf didFinishEnteringItem:itemToPassBack];
That's it for ViewControllerB. Now in ViewControllerA.h, tell ViewControllerA to import ViewControllerB and conform to its protocol.
#import "ViewControllerB.h"
@interface ViewControllerA : UIViewController <ViewControllerBDelegate>
In ViewControl...
Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...or += will only update (reassign) an existing variable, but for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at module load time and decides (correctly so) that the global scope's Var1 should not be used inside the local s...
Difference between sh and bash
...we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
12 Answ...
Set value to NULL in MySQL
...emname')");
So the $quantity is outside of the main string.
My sql table now accepted to record null quantity instead of 0
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?
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I'd like to know more about that spam limit... I do have to send several emails, should I split them in groups? wait for a specified amount of time? Anybody knows the details of google mails limitations?
– opensas
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