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How can I read a function's signature including default argument values?
...he signature of a callable object and its return annotation:
>>> from inspect import signature
>>> def foo(a, *, b:int, **kwargs):
... pass
>>> sig = signature(foo)
>>> str(sig)
'(a, *, b:int, **kwargs)'
>>> str(sig.parameters['b'])
'b:int'
>&...
python list by value not by reference [duplicate]
... you want a full copy of your objects you need copy.deepcopy
>>> from copy import deepcopy
>>> a = [[1,2],[3],[4]]
>>> b = a[:]
>>> c = deepcopy(a)
>>> c[0].append(9)
>>> a
[[1, 2], [3], [4]]
>>> b
[[1, 2], [3], [4]]
>>> c
[...
RESTful Alternatives to DELETE Request Body
... like Akamai EdgeConnect. I know for a fact that EdgeConnect strips bodies from HTTP DELETE requests(since they consume bandwidth are are likely invalid). It's also likely that similar services do the same(see Kindle's acceleration feature, and other CDN-like services). You should probably redesign ...
How to override equals method in Java
...bj.getClass()) ... rather than using the instanceofoperator or isAssignableFrom. This will require exact type match, rather than subtype match. - Symmetric requirement. Also to compare String or other Object types, you can use Objects.equals(this.name,other.name).
– YoYo
...
/etc/apt/sources.list" E212: Can't open file for writing
...sion. I ended up writing out to a temporary file in /var and copying that from another ssh instance over to my home directory.
– Ross Aiken
Apr 4 '13 at 19:54
...
Convert character to ASCII numeric value in java
... = (int) character;
In your case, you need to get the specific Character from the String first and then cast it.
char character = name.charAt(0); // This gives the character 'a'
int ascii = (int) character; // ascii is now 97.
Though cast is not required explicitly, but its improves readabilit...
How to exit a function in bash
...
Use:
return [n]
From help return
return: return [n]
Return from a shell function.
Causes a function or sourced script to exit with the return value
specified by N. If N is omitted, the return status is that of the
last command executed wi...
How do I define global variables in CoffeeScript?
...in the coffee-script, that way it prevents the compiled JavaScript version from leaking everything into the global namespace.
So since there's no way to make something "leak" into the global namespace from the coffee-script side of things on purpose, you need to define your global variables as pr...
Convert List to List
While we can inherit from base class/interface, why can't we declare a List<>
using same class/interface?
11 Ans...
What is sandboxing?
...rogram in controlled environment.
The red arrows indicate changes flowing from a running program into your computer. The box labeled Hard disk (no sandbox) shows changes by a program running normally. The box labeled Hard disk (with sandbox) shows changes by a program running under Sandboxie. The a...