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How can I find the number of arguments of a Python function?
...Parameter object that has further attributes making your life easier. For example, grabbing a parameter and viewing its default value is now easily performed with:
kwarg1 = params['kwarg1']
kwarg1.default # returns: None
similarly for the rest of the objects contained in parameters.
As for Pyt...
How can I remove the string “\n” from within a Ruby string?
...ifferent quote marks behave differently.
Double quotes " allow character expansion and expression interpolation ie. they let you use escaped control chars like \n to represent their true value, in this case, newline, and allow the use of #{expression} so you can weave variables and, well, pretty mu...
What happens when a computer program runs?
... heap and stack "chunks", spans the
| | difference between your max and min memory, minus the other totals
+---------+
| heap | dynamic, random-access storage, allocated with 'malloc' and the like.
+---------+
| bss | Uninitialized global variables; must be in read-write memory are...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
I have a page where some event listeners are attached to input boxes and select boxes. Is there a way to find out which event listeners are observing a particular DOM node and for what event?
...
To ARC or not to ARC? What are the pros and cons? [closed]
...sed to pack data.
If you did not follow correct KVC naming, and you intermix ARC and non-ARC code, you will have memory problems. ARC uses KVC naming to make decisions about memory management. If it's all ARC code, then it doesn't matter because it will do it the same "wrong" on both sides. But if i...
Is there a decorator to simply cache function return values?
...ing from Python 3.2 there is a built-in decorator:
@functools.lru_cache(maxsize=100, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an expensive or I/O bound function is periodically called with the same ar...
C-like structures in Python
...tuple recipe if you need to support Python 2.4.
It's nice for your basic example, but also covers a bunch of edge cases you might run into later as well. Your fragment above would be written as:
from collections import namedtuple
MyStruct = namedtuple("MyStruct", "field1 field2 field3")
The newl...
Split code over multiple lines in an R script
...d put at the end of line to indicate to R that the code continues on the next line. Such as "\" in Python. However, your solution works well for the specific problem of string continuation.
– Curious2learn
Jun 13 '11 at 12:11
...
“#include” a text file in a C program as a char[]
Is there a way to include an entire text file as a string in a C program at compile-time?
17 Answers
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MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
... had the same problem and didn't understand the WTF there. Thanks for the explanation.
– Yanick Rochon
May 17 '13 at 13:50
18
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