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Why is __init__() always called after __new__()?
...ou're
subclassing an immutable type like
str, int, unicode or tuple.
From April 2008 post: When to use __new__ vs. __init__? on mail.python.org.
You should consider that what you are trying to do is usually done with a Factory and that's the best way to do it. Using __new__ is not a good clea...
What is unit testing and how do you do it? [duplicate]
...
Agreed. In addition they protect from regressions, if you fix tests at the same time as bugs (as you should).
– MattJ
Mar 16 '09 at 23:16
...
throwing an exception in objective-c/cocoa
...
Be sure to read the important caveat from harms (stackoverflow.com/questions/324284/324805#324805)
– e.James
Sep 22 '10 at 2:11
26
...
How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
...
The answer from @unutbu shows how to call assertRaises (no lambda necessary)
– scharfmn
Apr 4 '18 at 17:45
add ...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
...vice drivers at that level, so they are privileged, but somewhat separated from the rest of the kernel code.
Rings 1 and 2 are in a way, "mostly" privileged. They can access supervisor pages, but if they attempt to use a privileged instruction, they still GPF like ring 3 would. So it is not a bad p...
Reading my own Jar's Manifest
...nd the URL for your class first. If it's a JAR, then you load the manifest from there. For example,
Class clazz = MyClass.class;
String className = clazz.getSimpleName() + ".class";
String classPath = clazz.getResource(className).toString();
if (!classPath.startsWith("jar")) {
// Class not from J...
Why doesn't the height of a container element increase if it contains floated elements?
...ar: both;"></div>
<!-- Now in order to prevent the next div from floating beside the top ones,
we use `clear: both;`. This is like a wall, so now none of the div's
will be floated after this point. The container height will now also include the
height of these ...
How to create our own Listener interface in android?
...
Coming from an iOS background, if i did this in iOS it would cause a memory leak because the MyButton's listener is a strong reference to the listener, and the listener has a strong reference to the MyButton... is java garbage colle...
How to ISO 8601 format a Date with Timezone Offset in JavaScript?
...
The sign indicates the offset of the local time from GMT
– Steven Moseley
Jul 2 '13 at 0:50
1
...
What is the difference between association, aggregation and composition?
...r bar = new Bar();
}
Aggregation - I have an object which I've borrowed from someone else. When Foo dies, Bar may live on.
public class Foo {
private Bar bar;
Foo(Bar bar) {
this.bar = bar;
}
}
s...