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Meaning of @classmethod and @staticmethod for beginner? [duplicate]
...someone explain to me the meaning of @classmethod and @staticmethod in python? I need to know the difference and the meaning.
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Bypass confirmation prompt for pip uninstall
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starting with pip version 7.1.2 you can run pip uninstall -y <python package(s)>
pip uninstall -y package1 package2 package3
or from file
pip uninstall -y -r requirements.txt
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Algorithm to generate a crossword
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I just recently wrote my own in Python. You can find it here: http://bryanhelmig.com/python-crossword-puzzle-generator/. It doesn't create the dense NYT style crosswords, but the style of crosswords you might find in a child's puzzle book.
Unlike a few alg...
How to get terminal's Character Encoding
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If you have Python:
python -c "import sys; print(sys.stdout.encoding)"
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Algorithm to calculate the number of divisors of a given number
...ee how many of those primes act as a divisor (and how often).
Here's some python for the algo Look here and search for "Subject: math - need divisors algorithm". Just count the number of items in the list instead of returning them however.
Here's a Dr. Math that explains what exactly it is you nee...
how to iterate through dictionary in a dictionary in django template?
...ic dict.
To iterate over dict keys in a sorted order - First we sort in python then iterate & render in django template.
return render_to_response('some_page.html', {'data': sorted(data.items())})
In template file:
{% for key, value in data %}
<tr>
<td> Key: {{ key ...
pass **kwargs argument to another function with **kwargs
...ple you provide 3 arguments: filename, mode and a dictionary (kwargs). But Python expects: 2 formal arguments plus keyword arguments.
By prefixing the dictionary by '**' you unpack the dictionary kwargs to keywords arguments.
A dictionary (type dict) is a single variable containing key-value pairs...
How can I get seconds since epoch in Javascript?
...mathematical definition of integer division to hold, just take the floor. (Python's integer division does this).
time_in_seconds_int = Math.floor(time_in_seconds);
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How do I set the maximum line length in PyCharm?
... useful because generally HTML and JS may be usually long in one line than Python. :)
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What's the difference between compiled and interpreted language?
...tructions for a virtual machine, often called bytecode, as is done in Lua, Python, Ruby, Smalltalk, and many other systems (the approach was popularized in the 1970s by the UCSD P-system and UCSD Pascal)
A tree-like representation of the original program, such as an abstract-syntax tree, as is done ...