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How to pass a function as a parameter in Java? [duplicate]
...ble, for example, then you pass in a Callable:
public T myMethod(Callable<T> func) {
return func.call();
}
This pattern is known as the Command Pattern.
Keep in mind you would be best off creating an interface for your particular usage. If you chose to go with callable, then you'd repl...
Capture Image from Camera and Display in Activity
...MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);
}
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults)
{...
How can I remove the decimal part from JavaScript number?
I have the results of a division and I wish to discard the decimal portion of the resultant number.
14 Answers
...
How to make vim paste from (and copy to) system's clipboard?
...to something more convenient for you. For example, you could put vnoremap <C-c> "*y in your ~/.vimrc so that you can visually select and press Ctrl+c to yank to your system's clipboard.
Be aware that copying/pasting from the system clipboard will not work if :echo has('clipboard') returns 0. ...
How to slice an array in Bash
...hen, why would it be in the Array section? *sarc
– deltaray
May 1 '14 at 2:54
1
@AquariusPower: C...
How do you perform a CROSS JOIN with LINQ to SQL?
...
A Tuple is a good type for Cartesian product:
public static IEnumerable<Tuple<T1, T2>> CrossJoin<T1, T2>(IEnumerable<T1> sequence1, IEnumerable<T2> sequence2)
{
return sequence1.SelectMany(t1 => sequence2.Select(t2 => Tuple.Create(t1, t2)));
}
...
LINQ OrderBy versus ThenBy
...
You should definitely use ThenBy rather than multiple OrderBy calls.
I would suggest this:
tmp = invoices.InvoiceCollection
.OrderBy(o => o.InvoiceOwner.LastName)
.ThenBy(o => o.InvoiceOwner.FirstName)
.ThenBy(o => o.In...
Is a RelativeLayout more expensive than a LinearLayout?
...
You can try
<LinearLayout>
<ViewPager/><!--Loading images from net, it is very good as a testing case.-->
<ViewPagerIndicator/>
<TextView/> <!--Show some info about page-->
</Lin...
How do I get the current time only in JavaScript
...T
function timeNow(i) {
var d = new Date(),
h = (d.getHours()<10?'0':'') + d.getHours(),
m = (d.getMinutes()<10?'0':'') + d.getMinutes();
i.value = h + ':' + m;
}
<a onclick="timeNow(test1)" href="#">SET TIME</a>
<input id="test1" type="time" value="10:40...
With Mercurial, how can I “compress” a series of changesets into one before pushing?
...i on the rebase command. Since this question is the 3rd overall search result and the first on stackoverflow I thought that info might be useful.
– a.peganz
Oct 2 '15 at 13:33
1
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