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SQLite select where empty?
...e faster in some situation, as comparing numbers is simpler than comparing strings. If the performance for that is a concern, you should of course check what it does.
– Guffa
Apr 16 '12 at 11:16
...
Can Mockito capture arguments of a method called multiple times?
...reating a class that implements ArgumentMatcher<T>. Overriding the toString method in your implementation will provide any message you want in the mockito test output.
– Noah Solomon
Sep 26 '19 at 19:25
...
In Python, how do I read the exif data for an image?
...eric tags. If you want the dictionary indexed by the actual EXIF tag name strings, try something like:
import PIL.ExifTags
exif = {
PIL.ExifTags.TAGS[k]: v
for k, v in img._getexif().items()
if k in PIL.ExifTags.TAGS
}
...
Javascript/DOM: How to remove all events of a DOM object?
... that we cannot
// use node as Object keys, as they'd get coerced into a string
_eventHandlers[event].push({ node: node, handler: handler, capture: capture })
node.addEventListener(event, handler, capture)
}
const removeAllListeners = (targetNode, event) => {
// remove listeners from the...
Android 4.2: back stack behaviour with nested fragments
...ragmentManager() . When using getChildFragmentManager() and addToBackStack(String name), by pressing the back button the system does not run down the back stack to the previous fragment.
On the other hand, when using getFragmentManager() and addToBackStack(String name), by pressing the back butto...
How to check if a model has a certain column/attribute?
... a class
Use Class.column_names.include? attr_name where attr_name is the string name of your attribute.
In this case: Number.column_names.include? 'one'
For an instance
Use record.has_attribute?(:attr_name) or record.has_attribute?('attr_name') (Rails 3.2+) or record.attributes.has_key? attr_na...
BaseException.message deprecated in Python 2.6
...to the constructor. Suggested practice, though, is that only a
single string argument be passed to the constructor."""
__str__ and __repr__ are already implemented in a meaningful way,
especially for the case of only one arg (that can be used as message).
You do not need to repeat __str__ or _...
Relative imports in Python 3
...
If the __name__ is '__main__', __name__.rpartition('.')[0] returns empty string. This is why there's empty string literal in the error description:
SystemError: Parent module '' not loaded, cannot perform relative import
The relevant part of the CPython's PyImport_ImportModuleLevelObject functi...
How to do a scatter plot with empty circles in Python?
...rol the Collection properties; in particular:
edgecolors:
The string ‘none’ to plot faces with no outlines
facecolors:
The string ‘none’ to plot unfilled outlines
Try the following:
import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(60)
y =...
Streaming Audio from A URL in Android using MediaPlayer?
... on UI thread.
* @author piyush
*
*/
class Player extends AsyncTask<String, Void, Boolean> {
private ProgressDialog progress;
@Override
protected Boolean doInBackground(String... params) {
// TODO Auto-generated method stub
Boolean prepared;
try {
...