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How to get the Full file path from URI
....content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import java.net.URISyntaxException;
/**
* Crea...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...s been asked in various ways, but I haven't been able to gather a solution based on the answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android Dev Alexander Lucas' advice , I'd prefer to do it using intents and not using the Facebook...
Using Java 8's Optional with Stream::flatMap
...
I'm adding this second answer based on a proposed edit by user srborlongan to my other answer. I think the technique proposed was interesting, but it wasn't really suitable as an edit to my answer. Others agreed and the proposed edit was voted down. (I wa...
What is the best way to deal with the NSDateFormatter locale “feechur”?
...dt = DateFormatter.getDateFromString(string: "2001-05-05 12:34:56")
print("base date = \(dt)")
dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
let dateString = dateFormatter.string(from: Date())
print("dateString = " + dateString)
let date1 = dateFormatter.date(from: "2001-05-05 12:34:56")
print("d...
Is module __file__ attribute absolute or relative?
...hon-2.*, the second call incorrectly determines the path.abspath(__file__) based on the current directory:
cwd: C:\codes\py
__file__:cwd_mayhem.py
abspath: C:\codes\py\cwd_mayhem.py
cwd: C:\codes
__file__:cwd_mayhem.py
abspath: C:\codes\cwd_mayhem.py
As noted by @techtonik, in Python 3.4+...
Simple explanation of clojure protocols
...ion is hard, because you need to add it either to all leaf classes or to a base class, thus modifying existing code.
Several languages have several constructs for solving the Expression Problem: Haskell has typeclasses, Scala has implicit arguments, Racket has Units, Go has Interfaces, CLOS and Clo...
What is Hindley-Milner?
...nsion called the value restriction.)
Many other minor languages and tools based on typed functional languages use Hindley-Milner.
Hindley-Milner is a restriction of System F, which allows more types but which requires annotations by the programmer.
...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
...Model#getRowData() without passing anything around (JSF determines the row based on the request parameter name of the clicked command link/button).
public void insert() {
Item item = model.getRowData();
Long id = item.getId();
// ...
}
This also requires that the datamodel is prese...
How to get existing fragments when using FragmentPagerAdapter
...
I have found answer on my question based on following post: reusing fragments in a fragmentpageradapter
Few things I have learned:
getItem(int position) in the FragmentPagerAdapter is rather misleading name of what this method actually does. It creates new ...
How do you know when to use fold-left and when to use fold-right?
...oldr proceeds:
1 + (2 + (3 + 4))
where you can see the traversal to the base case 4 and building up the result from there.
So I posit a rule of thumb: if it looks like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go.
But really this will be pro...