大约有 47,000 项符合查询结果（耗时：0.0655秒） [XML]
How do I find where an exception was thrown in C++?
...on somewhere. All I get is a report of an exception being thrown, and no information as to where it was thrown. It seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated.
...
How do I initialize the base (super) class?
...nvoke a base method, which is why you've found multiple ways of doing so.
For completeness sake, old-style classes call base methods explicitly using the base class, i.e.
def doit(self, foo):
return X.doit(self, foo)
But since you shouldn't be using old-style anymore, I wouldn't care about thi...
Get __name__ of calling function's module in Python
...
Check out the inspect module:
inspect.stack() will return the stack information.
Inside a function, inspect.stack()[1] will return your caller's stack. From there, you can get more information about the caller's function name, module, etc.
See the docs for details:
http://docs.python.org/li...
How can I tell gcc not to inline a function?
...e.
This function attribute prevents a
function from being considered for
inlining. If the function does not
have side-effects, there are
optimizations other than inlining that
causes function calls to be optimized
away, although the function call is
live. To keep such calls from be...
Header files for x86 SIMD intrinsics
Which header files provide the intrinsics for the different x86 SIMD instruction set extensions (MMX, SSE, AVX, ...)? It seems impossible to find such a list online. Correct me if I'm wrong.
...
How do I write good/correct package __init__.py files
...ckage from the start. I think it's best to leave __init__.py files empty.
for example:
foo.py - contains classes related to foo such as fooFactory, tallFoo, shortFoo
then the app grows and now it's a whole folder
foo/
__init__.py
foofactories.py
tallFoos.py
shortfoos.py
medi...
What is the difference between class and instance attributes?
...
Beyond performance considerations, there is a significant semantic difference. In the class attribute case, there is just one object referred to. In the instance-attribute-set-at-instantiation, there can be multiple objects referred ...
How to find the size of localStorage
...make use of HTML5's localStorage. I've read all about the size limitations for different browsers. However, I haven't seen anything on how to find out the current size of a localStorage instance. This question seems to indicate that JavaScript doesn't have a built in way of showing the size for a ...
__init__ for unittest.TestCase
...e's __init__, so you might want to let the base class handle the arguments for you.
share
|
improve this answer
|
follow
|
...
how to draw smooth curve through N points using javascript HTML5 canvas?
For a drawing application, I'm saving the mouse movement coordinates to an array then drawing them with lineTo. The resulting line is not smooth. How can I produce a single curve between all the gathered points?
...