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How to run a program without an operating system?

How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU? ...
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh

...ss. Change it like so: class B(object): and it will work. super() and all subclass/superclass stuff only works with new-style classes. I recommend you get in the habit of always typing that (object) on any class definition to make sure it is a new-style class. Old-style classes (also known as...
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Why are all fields in an interface implicitly static and final?

I am just trying to understand why all fields defined in an Interface are implicitly static and final . The idea of keeping fields static makes sense to me as you can't have objects of an interface but why they are final (implicitly)? ...
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Importing a CSV file into a sqlite3 database table using Python

...lumn headers in the csv file. And close the connection to the database by calling con.close() at the end. – Jonas Aug 8 '16 at 21:31 1 ...
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How can I color Python logging output?

...ication with colored output, presumably because of its log system (because all the messages were standardized). 30 Answers...
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Does reading an entire file leave the file handle open?

...hat on the particular Python implementation. To understand what this is all about, pay particular attention to the actual file object. In your code, that object is mentioned only once, in an expression, and becomes inaccessible immediately after the read() call returns. This means that the file...
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multiprocessing.Pool: When to use apply, apply_async or map?

... Back in the old days of Python, to call a function with arbitrary arguments, you would use apply: apply(f,args,kwargs) apply still exists in Python2.7 though not in Python3, and is generally not used anymore. Nowadays, f(*args,**kwargs) is preferred. The...
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How to process SIGTERM signal gracefully?

... @Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
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Does Python have a string 'contains' substring method?

...methods to make in available to your custom type. – BallpointBen Aug 17 '18 at 7:02 31 Just make ...
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Most Pythonic way to provide global configuration variables in config.py? [closed]

...a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a dict of configs I'd like to set and pass between modules? – Jinx ...