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how to check if object already exists in a list
...epends on the needs of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The list is quite large (otherwise the overhead of the dictionary is pointless)....
How do we use runOnUiThread in Android?
...I think I've misunderstood something, because on clicking the button - the app does not respond anymore
12 Answers
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How set background drawable programmatically in Android
...le(context, R.drawable.ready)
You will need to add the following in your app build.gradle
compile 'com.android.support:support-v4:23.0.0' # or any version above
Or using ResourceCompat, in any API like below:
import android.support.v4.content.res.ResourcesCompat;
ResourcesCompat.getDrawable(...
Remove ':hover' CSS behavior from element
...e the :not pseudo-class to exclude the classes you don't want the hover to apply to:
FIDDLE
<div class="test"> blah </div>
<div class="test"> blah </div>
<div class="test nohover"> blah </div>
.test:not(.nohover):hover {
border: 1px solid red;
}
This d...
How to scroll to top of long ScrollView layout?
For part of my app, the user is presented with a list of names and is asked to group them as they see fit.
15 Answers
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Sending Arguments To Background Worker?
...to start a New backgroundworker each run to avoid repeats. (at least in my app). See my comment below related to this problem. Also stackoverflow.com/a/12231431/503621 & stackoverflow.com/questions/12507602/…
– bshea
Dec 28 '16 at 3:42
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Get child node index
...
this approach requires the same number of iterations to determine the child index, so i can't see how it would be much faster.
– Michael
May 10 '13 at 21:04
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Regular expressions in an Objective-C Cocoa application
... there's no built-in way to do regular expressions in an Objective-C Cocoa application.
10 Answers
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Why does UITableViewCell remain highlighted?
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I prefer calling the deselectRowAtIndexPath in my viewDidAppear, if select the row brings up a new view.
– notnoop
Dec 3 '09 at 15:59
5
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Vibrate and Sound defaults on notification
...ce use Color(RGB) for a ARGB param and you will get the wrong color. This Happened with me.
– Beto Caldas
Oct 24 '14 at 19:47
55
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