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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...
Django 1.7 - makemigrations not detecting changes
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If you're changing over from an existing app you made in django 1.6, then you need to do one pre-step (as I found out) listed in the documentation:
python manage.py makemigrations your_app_label
The documentation does not make it obvious that ...
Import SQL dump into PostgreSQL database
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@Dazz You have to do this command from your command prompt (Start -> Run -> cmd) , not from the postgres prompt.
– Jacob
Jul 27 '11 at 10:48
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What is unit testing and how do you do it? [duplicate]
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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
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Redirect from an HTML page
Is it possible to set up a basic HTML page to redirect to another page on load?
28 Answers
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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...
Is there a portable way to print a message from the C preprocessor?
I would like to be able to do something like
7 Answers
7
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Why does Python code run faster in a function?
...p to the current version (1.8 at the time of this writing.) The test code from the OP runs about four times slower in global scope compared to inside a function.
– GDorn
Jun 28 '12 at 17:17
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throwing an exception in objective-c/cocoa
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Be sure to read the important caveat from harms (stackoverflow.com/questions/324284/324805#324805)
– e.James
Sep 22 '10 at 2:11
26
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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...