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Simplest way to read json from a URL in java
...LConnection request = url.openConnection();
request.connect();
// Convert to a JSON object to print data
JsonParser jp = new JsonParser(); //from gson
JsonElement root = jp.parse(new InputStreamReader((InputStream) request.getContent())); //Convert the input stream to a json element...
Analyze audio using Fast Fourier Transform
...Ed.. It was very helpful for me.
So that is what those numbers represent. Converting to a percentage of height could be done by scaling each frequency component magnitude by the sum of all component magnitudes. Although, that would only give you a representation of the relative frequency distributi...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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The MOC (meta object compiler) converts the Q_OBJECT macro included header files in to C++ equivalent source code.
It basically controls the signal-slot mechanism, and makes it understandable to the C++ compiler
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Hash String via SHA-256 in Java
... Calling ´toString´ on a byte array is producing a different result than converting the content of the byte array to String, Brendan Longs answer is more appropriate
– max.mustermann
Feb 4 '15 at 10:15
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Hidden Features of MySQL
...SET=latin1 AUTO_INCREMENT=1
TIMESTAMPS:
Values for TIMESTAMP columns are converted from the current time zone to UTC for storage,
and from UTC to the current time zone for retrieval.
http://dev.mysql.com/doc/refman/5.1/en/timestamp.html
For one TIMESTAMP column in a table, you can assign the cur...
Positioning MKMapView to show multiple annotations at once
...es. in fact, you can simplify this even further because there's no need to convert to MKCoordinateRegion – just call setVisibleMapRect: on your MKMapView with the MKMapRect that you create here.
– lensovet
Jan 26 '13 at 9:51
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Python set to list
How can I convert a set to a list in Python? Using
7 Answers
7
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Is it possible to set a number to NaN or infinity?
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The numpy functions also work for numpy arrays and everything that can be converted to one (like lists, tuple, etc.)
There are also functions that explicitly check for positive and negative infinity in NumPy: numpy.isposinf and numpy.isneginf.
Pandas offers two additional functions to check for NaN...
How do I save a stream to a file in C#?
...r-complicate things with StreamReader if you already have a stream you can convert to bytes directly with .ToArray()!
Only potential downsides I can see in doing it this way is if there's a large file you have, having it as a stream and using .CopyTo() or equivalent allows FileStream to stream it...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...ck;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private DataAdapter dataAdapter;
private List<Datum> dataArrayList;
@Override
protected vo...