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plot a circle with pyplot
...nates are, you could use the scatter() method. http://matplotlib.org/1.3.1/api/pyplot_api.html#matplotlib.pyplot.scatter
import matplotlib.pyplot as plt
x = [1, 2, 3, 4, 5]
y = [10, 20, 30, 40, 50]
r = [100, 80, 60, 40, 20] # in points, not data units
fig, ax = plt.subplots(1, 1)
ax.scatter(x, ...
How can I check file size in Python?
... StringIO's, in my limited testing. (Python 2.7.3.) The "file-like object" API isn't really a rigorous interface, of course, but the API documentation suggests that file-like objects should support seek() and tell().
Edit
Another difference between this and os.stat() is that you can stat() a file ...
How to force an entire layout View refresh?
...wer the question: Use invalidate():
public void invalidate ()
Since: API Level 1
Invalidate the whole view. If the view is visible, onDraw(Canvas) will be called at some point in the future. This must be called from a UI thread. To call from a non-UI thread, call postInvalidate().
ViewG...
How can I check if a single character appears in a string?
...Barfoon asked. B wishes to avoid doing the loop in B's code. Naturally the API needs to do a loop after all a String is an array of characters wrapped up in a nice class with lots of useful methods.
– mP.
Feb 5 '09 at 2:55
...
Convert timestamp in milliseconds to string formatted time in Java
...al long timestamp = new Date().getTime();
// with java.util.Date/Calendar api
final Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(timestamp);
// here's how to get the minutes
final int minutes = cal.get(Calendar.MINUTE);
// and here's how to get the String representation
final String t...
How to get the previous URL in JavaScript?
...o the previous page without knowing the url, you could use the new History api.
history.back(); //Go to the previous page
history.forward(); //Go to the next page in the stack
history.go(index); //Where index could be 1, -1, 56, etc.
But you can't manipulate the content of the history stack on br...
How to pass payload via JSON file for curl?
...to specify the correct content type header:
$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: application/json"
But that will only work if the server accepts json input. The .json at the end of the url may only indicate that the output is json, it doesn...
Implicit “Submit” after hitting Done on the keyboard at the last EditText
... handled = true;
}
return handled;
}
});
Official API doc: https://developer.android.com/guide/topics/ui/controls/text.html#ActionEvent
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Explaining Apache ZooKeeper
...present, but can be written above the ZooKeeper primitives.
If the C/Java API is too unwieldy for your purposes, you should rely on libraries built on ZooKeeper such as cages and especially curator.
Where to read more
Official documentation apart, which is pretty good, I suggest to read Chapter 1...
Commands out of sync; you can't run this command now
... your application.
After running my query and dealing with the results [C API: mysql_store_result()], I iterate over any further potentially pending results that occurs via multiple SQL statement execution such as two or more select statements (back to back without dealing with the results).
The f...