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When would you call java's thread.run() instead of thread.start()?
... the thread.run() code is invoked.
Executing thread.start() creates a new OS level thread wherein the run() method gets called.
In essence:
Single Threaded programming → Directly calling the run() method
Multi Threaded programming → Calling the start() method
Moreover, as other's ...
What are metaclasses in Python?
...ass is an instance of a metaclass.
While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
Usage of __slots__?
What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not?
11 A...
How to get a list of current open windows/process with Java?
... System.out.println(line); //<-- Parse data here.
}
input.close();
} catch (Exception err) {
err.printStackTrace();
}
If you are using Windows, then you should change the line: "Process p = Runtime.getRun..." etc... (3rd line), for one that looks like this:
Process p = Runtime....
Git on Bitbucket: Always asked for password, even after uploading my public SSH key
...
You are right, thanks! I had most probably clone with the wrong URL. I replaced the URL in .git/config with git@bitbucket.org:Nicolas_Raoul/therepo.git and now it works!
– Nicolas Raoul
Dec 22 '11 at 7:55
...
How many threads is too many?
...: measure, don't guess. One suggestion is to make it configurable and initially set it to 100, then release your software to the wild and monitor what happens.
If your thread usage peaks at 3, then 100 is too much. If it remains at 100 for most of the day, bump it up to 200 and see what happens.
Y...
Should I use a class or dictionary?
...ould your __init__ code go?
Classes are for bundling related data (and usually code).
Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
How to enumerate an object's properties in Python?
...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir().
–...
Differences between Oracle JDK and OpenJDK
...a commercial license. You should now pay attention to which JDK you're installing as Oracle JDK without subscription could stop working. source
Ref: List of Java virtual machines
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Difference between exit(0) and exit(1) in Python
... code means a successful exit.
This is useful for other programs, shell, caller etc. to know what happened with your program and proceed accordingly.
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