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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...
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...
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 commit a change with both “message” and “description” from the command line? [duplicate]
...w I can push commits to GitHub via git (on the command line, not the Mac app).
4 Answers
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Django DB Settings 'Improperly Configured' Error
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Apps aren't loaded yet.
– Daniil Mashkin
May 31 '18 at 12:53
add a comment
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Check for current Node Version
...{
"check-version" : "node checkVersion.js",
"start-server" : "node app.js"
"start" : "npm run check-version && npm run start-server",
"test": "npm run check-version && echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"dep...
Showing line numbers in IPython/Jupyter Notebooks
...'base/js/events'
],
function(IPython, events) {
events.on("app_initialized.NotebookApp",
function () {
IPython.Cell.options_default.cm_config.lineNumbers = true;
}
);
}
);
...
java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]
I am trying to build an application, but it gives some error. My JDK version is given below:
7 Answers
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