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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 {
...
How to print formatted BigDecimal values?
...
public static String currencyFormat(BigDecimal n) {
return NumberFormat.getCurrencyInstance().format(n);
}
It will use your JVM’s current default Locale to choose your currency symbol. Or you can specify a Locale.
NumberFormat.get...
How to add text to a WPF Label in code?
...inForms, value of Label object is changed by,
myLabel.Text= "Your desired string";
But in WPF Label control, you have to use .content property of Label control
for example,
myLabel.Content= "Your desired string";
share
...
Twitter Bootstrap: Text in navbar
...ording to the twitter bootstrap documentation , I should be able to "Wrap strings of text in a <p> tag for proper leading and color." When I do this, at any level under navbar it simply doesn't inherit any of the navbar classes. Wrapping the string in <a> tags renders it but it ...
How to properly ignore exceptions
...hy? Say you (somehow) accidently pass the function an integer instead of a string, like:
shutil.rmtree(2)
It will give the error "TypeError: coercing to Unicode: need string or buffer, int found" - you probably don't want to ignore that, which can be difficult to debug.
If you definitely want to...
How to create a new file together with missing parent directories?
...
This only works if the file was created with a path string which contains a parent directory, i.e. new File("file.txt").getParentFile() returns null, new File("dir/file.txt").getParentFile() returns the same as new File("dir")
– Zoltán
N...
How do you manage databases in development, test, and production?
...the old db version or external data source
do not use hardcode connection strings in the code ( even not in the config files ) - use in the config files connection string templates , which you do populate dynamically , each reconfiguration of the application_layer which does need recompile is BAD
d...