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Does adding a duplicate value to a HashSet/HashMap replace the previous value
...
ah I get it now. I understood that the key is the element of the Set, but just realized that put() will only override the value, not the key. In this case, it's the same value put alongside the key again, which may or may not be better t...
How do I get an element to scroll into view, using jQuery?
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Since you want to know how it works, I'll explain it step-by-step.
First you want to bind a function as the image's click handler:
$('#someImage').click(function () {
// Code to do scrolling happens here
});
That will apply the click ha...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...ks! Though, changing permissions on /usr/local doesn't seem to be required now. "Homebrew no longer needs to have ownership of /usr/local. If you wish you can return /usr/local to its default ownership with: sudo chown root:wheel /usr/local"
– Bert
Nov 1 '16...
AngularJS ui-router login authentication
...Params
= $rootScope.toStateParams;
// now, send them to the signin state
// so they can log in
$state.go('signin');
}
}
});
}
};
}
])
Now all you need to do is listen in on ui-route...
How to access the local Django webserver from outside world
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@S.Lott: Oh thank you. I know, it was in my mind as wrote it but somehow didn't make it to the keyboard ;)
– Felix Kling
Feb 14 '10 at 12:07
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Call Activity method from adapter
...ould not cast mContext to your Activity as you are avoiding reuse of code. Now this adapter can only be used inside the Activity which you have casted your mContext variable to, where if you have a listener defined then you can reuse the same Adapter in another Activity. Trust me i have spent enough...
How do the post increment (i++) and pre increment (++i) operators work in Java?
...ou have
a = 1;
and you do
System.out.println(a++); //You will see 1
//Now a is 2
System.out.println(++a); //You will see 3
codaddict explains your particular snippet.
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What is the difference between save and export in Docker?
...r a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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Correct way to delete cookies server-side
...he first sentence of your answer, after @DaveJarvis's rather bold edit, is now outright false for any major browser or any spec-compliant user agent. tools.ietf.org/search/rfc6265#section-5.3 dictates that "The user agent MUST evict all expired cookies from the cookie store if, at any time, an expir...
Error-Handling in Swift-Language
...ry? summonDefaultDragon() else { ... }
Finally, you can decide that you know that error will not actually occur (e.g. because you have already checked are prerequisites) and use try! keyword:
let dragon = try! summonDefaultDragon()
If the function actually throws an error, then you'll get a run...