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Aspect Oriented Programming vs. Object-Oriented Programming
...e already see this happening.
A couple of dynamic languages like Ruby and Python have language constructs like mixins that solve the same problems. This looks a lot like AOP but is better integrated in the language.
Spring and Castle and a couple of other dependency injection framework have option...
Why are static variables considered evil?
...ances. This phenomenon is less present in Java. Other languages, such as Python allow you to use classes as variables and you can access static methods as methods of that object.
– André Caron
Aug 17 '11 at 20:10
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Is D a credible alternative to Java and C++? [closed]
... In fact, I'd argue it's even behind so-called "scripting" languages like Python, Perl, PHP, Ruby, and even JavaScript in these regards.
To be blunt, you simply can't build a large-scale, cross-platform application using D. With an immature standard library, no support in any modern IDEs (there a...
Convert columns to string in Pandas
...me potentially nasty bugs.
Challenging to differentiate strings and other python objects
Another obvious example example is that it's harder to distinguish between "strings" and "objects". Objects are essentially the blanket type for any type that does not support vectorizable operations.
Consider,...
Argparse: Required arguments listed under “optional arguments”?
...ere is a non-optional argument, which I find very confusing. How can I get python to indicate that an argument is not optional?
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What does it mean to “program to an interface”?
... used as a poor mechanism for defining interfaces (for example, in regular Python you do it all the time).
– Carlos H Romano
Aug 9 '15 at 15:37
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What exactly is Type Coercion in Javascript?
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In Python if you try to add, say, strings and integers, you get an error:
>>> "hi" + 10
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: cannot concatenate 'str' and 'int'...
Is there a typical state machine implementation pattern?
...e with code. A Java implementation (pre Java8) is discussed. I was shown a Python example on GitHub as well.
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Add a prefix to all Flask routes
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This is more of a python answer than a Flask/werkzeug answer; but it's simple and works.
If, like me, you want your application settings (loaded from an .ini file) to also contain the prefix of your Flask application (thus, not to have the va...
What is a 'Closure'?
...s a function that can reference state in another function. For example, in Python, this uses the closure "inner":
def outer (a):
b = "variable in outer()"
def inner (c):
print a, b, c
return inner
# Now the return value from outer() can be saved for later
func = outer ("test")
...