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How do I kill all the processes in Mysql “show processlist”?
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that is a good idea. Lemme try converting that to a shell script on a cron...!
– M. Faraz
Sep 13 '13 at 7:07
5
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Oracle SQL Query for listing all Schemas in a DB
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Using sqlplus
sqlplus / as sysdba
run:
SELECT *
FROM dba_users
Should you only want the usernames do the following:
SELECT username
FROM dba_users
share
|
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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...
How to compare Unicode characters that “look alike”?
...tion to the former, so you can normalize the string to FormKC or FormKD to convert the micro signs to mus.
However, there are lots of sets of characters that look alike but aren't equivalent under any Unicode normalization form. For example, A (Latin), Α (Greek), and А (Cyrillic). The Unicode w...
Sending files using POST with HttpURLConnection
...s.attachmentFileName + "\"" + this.crlf);
request.writeBytes(this.crlf);
Convert Bitmap to ByteBuffer:
//I want to send only 8 bit black & white bitmaps
byte[] pixels = new byte[bitmap.getWidth() * bitmap.getHeight()];
for (int i = 0; i < bitmap.getWidth(); ++i) {
for (int j = 0; j <...
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...
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...
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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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...