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UICollectionView current visible cell index
I am using UICollectionView first time in my iPad application.
I have set UICollectionView such that its size and cell size is same, means only once cell is displayed at a time.
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How to add a right button to a UINavigationController?
...uite a while before it displays, no point in doing work early and tying up memory.
- (void)viewDidLoad {
[super viewDidLoad];
UIBarButtonItem *anotherButton = [[UIBarButtonItem alloc] initWithTitle:@"Show" style:UIBarButtonItemStylePlain target:self action:@selector(refreshPropertyList:)]; ...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
How do I ignore the following error message on Git pull?
34 Answers
34
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How to detect when an Android app goes to the background and come back to the foreground
I am trying to write an app that does something specific when it is brought back to the foreground after some amount of time. Is there a way to detect when an app is sent to the background or brought to the foreground?
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System.MissingMethodException: Method not found?
...em which can occur when there is an old version of a DLL still lingering somewhere around. Make sure that the latest assemblies are deployed and no duplicated older assemblies are hiding in certain folders. Your best bet would be to delete every built item and rebuild/redeploy the entire solution.
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How to show multiline text in a table cell
...nt. By default web browsers use their user-agent stylesheet to apply the same white-space:pre rule to this element.
The PRE element tells visual user agents that the enclosed text is "preformatted". When handling preformatted text, visual user agents:
May leave white space intact.
May ...
Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
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I have run into the same error entries in LogCat. In my case it's caused by the 3rd party keyboard I am using. When I change it back to Android keyboard, the error entry does not show up any more.
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How to generate a Dockerfile from an image?
...will pull the target docker image automaticlaly and export Dockerfile. Parameter -sV=1.36 is not always required.
Reference: https://hub.docker.com/repository/docker/alpine/dfimage
below is the old answer, it doesn't work any more.
$ docker pull centurylink/dockerfile-from-image
$ alias dfimage="doc...
Select + copy text in a TextView?
... a way to allow the user to select / copy text in a TextView? I need the same functionality of EditText where you can long-press the control and get the popup options of select all / copy, but I need the control to look like a TextView.
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Dependent DLL is not getting copied to the build output folder in Visual Studio
...he types from abc.dll anywhere in ProjectX, then put a dummy declaration somewhere in one of the files in ProjectX.
AbcDll.AnyClass dummy006; // this will be enough to cause the DLL to be copied
You don't need to do this for every class -- just once will be enough to make the DLL copy and everyth...