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How to run code when a class is subclassed? [duplicate]
...etaclass.
A metaclass is to its class as a class is to its instance.
In Python2 you would define the metaclass of a class with
class SuperClass:
__metaclass__ = Watcher
where Watcher is a subclass of type.
In Python3 the syntax has been changed to
class SuperClass(metaclass=Watcher)
...
How can I enable the Windows Server Task Scheduler History recording?
...ask I created, "Sync E to N", renaming the exported file name, editing the XML contents, and then importing the new task. Windows Explorer happily let me rename the task, for example, to "Sync C to N & T", and Task Scheduler happily let me import it. However, with that pesky "&" in the nam...
Multiline strings in JSON
...ke to have some really long string values split over multiple lines. Using python's JSON module I get a whole lot of errors, whether I use \ or \n as an escape.
...
Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
...
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
...
Pro tip: if you have Python installed, simply type python -m SimpleHTTPServer in the root directory of your site, and find it hosted at localhost:8000.
– Thomas
Sep 4 '11 at 17:00
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What does the Ellipsis object do?
...le make up the full number of dimensions in the array).
Interestingly, in python3, the Ellipsis literal (...) is usable outside the slice syntax, so you can actually write:
>>> ...
Ellipsis
Other than the various numeric types, no, I don't think it's used. As far as I'm aware, it was ...
Generate Java class from JSON?
...ere is no such tool. Yet.
The main reason is, I suspect, that unlike with XML (which has XML Schema, and then tools like 'xjc' to do what you ask, between XML and POJO definitions), there is no fully features schema language. There is JSON Schema, but it has very little support for actual type defi...
Fragment over another fragment issue
...ond fragment's view is a layout, this would be the code:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clickable="true" />
...
How to migrate/convert from SVN to Mercurial (hg) on windows
... I tried using svn:// instead of file:// but it keeps asking for Python bindings
– fglez
May 27 '09 at 14:30
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AttributeError: 'module' object has no attribute 'tests'
...working.
To validate your test case just try import the test case file in python console.
Example:
from project.apps.app1.tests import *
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