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Android. Fragment getActivity() sometimes returns null
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Ok, I know that this question is actually solved but I decided to share my solution for this. I've created abstract parent class for my Fragment:
public abstract class ABaseFragment extends Fragment{
protected IActivityEnable...
How to find out which processes are using swap space in Linux?
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Run top then press OpEnter. Now processes should be sorted by their swap usage.
Here is an update as my original answer does not provide an exact answer to the problem as pointed out in the comments. From the htop FAQ:
It is not possible to get the...
Prevent redirection of Xmlhttprequest
...aware that the requests made via this API are not cancelable yet. They are now.
As for XMLHttpRequest, you can HEAD the server and inspect whether the URL has changed:
var http = new XMLHttpRequest();
http.open('HEAD', '/the/url');
http.onreadystatechange = function() {
if (this.readyState ===...
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
... self.titleEdgeInsets = UIEdgeInsetsMake(0, spacing, 0, 0);
}
@end
So now all I have to do is:
[button centerButtonAndImageWithSpacing:10];
And I get what I need every time. No more messing with the edge insets manually.
EDIT: Swapping Image and Text
In response to @Javal in comments
Usi...
Using :after to clear floating elements
...ports just the (:) syntax, but IE 8 only supports the single-colon, so for now, it's recommended to just use the single-colon for best browser support. :: is the newer format indented to distinguish pseudo content from pseudo selectors. If you don't need IE 8 support, feel free to use the double-co...
How to align texts inside of an input?
...affecting every single input box.
.text-right{
text-align: right;
}
Now you can use this class exactly the same as the inputs above with class="text-right". I know it isn't saving that many key strokes but it makes your code cleaner.
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method
I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this?
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Which mime type should I use for mp3
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Chrome 26 knows better and uses audio/mp3... Go figure.
– Nux
Apr 5 '13 at 11:31
22
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Change the color of a bullet in a html list?
...e of being deprecated in favour of strong tag. But yes, you're correct, now a b tag would be more appropriate.
– Jonathan Arkell
Jan 27 '15 at 0:15
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How exactly does work?
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While it's useful to know what the spec says, it turns out that some browsers like IE<9 implement defer badly. If you use defer, you can't rely on the script files being executed in order in some browsers.
– Flimm
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