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Android ClassNotFoundException: Didn't find class on path
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I had the same issue for my project. It happened due to the conflict in android support library version between my project and the library project that I added in my project. Put the same version android support library in your project and library projects you inclu...
Most used parts of Boost [closed]
...smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have struggled.
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In Swift how to call method with parameters on GCD main thread?
In my app I have a function that makes an NSRURLSession and sends out an NSURLRequest using
9 Answers
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Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
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I have build such kind of application using approximatively the same approach except :
I cache the generated image on the disk and always generate two to three images in advance in a separate thread.
I don't overlay with a UIImage but instead draw t...
How to create a HTTP server in Android? [closed]
...thod. You also need to stop and resume this thread as needed. The simplest approach seems to kill the waiting thread by closing the ServerSocket.
If you only need a server while your activity is on the top, starting and stopping ServerSocket thread can be rather elegantly tied to the activity life c...
How do I save a UIImage to a file?
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Of course you can create subfolders in the documents folder of your app. You use NSFileManager to do that.
You use UIImagePNGRepresentation to convert your image to NSData and save that to disk.
// Create path.
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUser...
How to dismiss keyboard iOS programmatically when pressing return
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simply use this in swift to dismiss keyboard:
UIApplication.sharedApplication().sendAction("resignFirstResponder", to:nil, from:nil, forEvent:nil)
Swift 3
UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
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AsyncTask threads never die
...dition to CommonsWare's response:
Currently I'm using Android 2.2, and my application uses no more than one AsyncTask at any time, but I'm creating a new one every x minutes. At first new AsyncTask Threads start to appear (a new Thread for a new AsyncTask) but after 5 threads (as mentioned by Commo...
Calling pylab.savefig without display in ipython
...the situation that an intermediate file for external processing by another app is desired.
2 Answers
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How to design a product table for many kinds of product where each product has many parameters
...be easily queried within SQL; you have to fetch the whole blob back to the application and sort it out there.
Entity-Attribute-Value: One table for Products, and one table that pivots attributes to rows, instead of columns. EAV is not a valid design with respect to the relational paradigm, but man...