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C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...
...易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threadpool)完整实现本文主要介绍两种C++线程池模型完整代码，经过实战考验的，效率已极致优化的代码，可直接用于实际项目开发。1、C++简练易用的线程池(threadpool)
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How can I read a function's signature including default argument values?
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@darth_coder: In Python2, getargspec raises TypeError if the input is not recognized as a Python function -- that is, a function implemented in Python. In CPython, Exception.__init__ is implemented in C, hence the TypeError. You'll...
Python nested functions variable scoping [duplicate]
...When I run your code I get this error:
UnboundLocalError: local variable '_total' referenced before assignment
This problem is caused by this line:
_total += PRICE_RANGES[key][0]
The documentation about Scopes and Namespaces says this:
A special quirk of Python is that – if no global st...
What does a type followed by _t (underscore-t) represent?
... with the Stack Overflow search or Google. What does a type followed by a _t mean? Such as
10 Answers
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How to find the duration of difference between two dates in java?
...ce answer, I am facing one problem on your solution like I have two date 06_12_2017_07_18_02_PM and another one is 06_12_2017_07_13_16_PM, I am getting 286 seconds instead I should get only 46 seconds
– Panchal Amit
Dec 6 '17 at 14:14
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Setting the selected value on a Django forms.ChoiceField
...e initial value when you instantiate the form:
form = MyForm(initial={'max_number': '3'})
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How to get method parameter names?
...ious code object properties for you.
>>> inspect.getfullargspec(a_method)
(['arg1', 'arg2'], None, None, None)
The other results are the name of the *args and **kwargs variables, and the defaults provided. ie.
>>> def foo(a, b, c=4, *arglist, **keywords): pass
>>> ins...
How to divide flask app into multiple py files?
...eate a sub-component of your app as a Blueprint in a separate file:
simple_page = Blueprint('simple_page', __name__, template_folder='templates')
@simple_page.route('/<page>')
def show(page):
# stuff
And then use it in the main part:
from yourapplication.simple_page import simple_page
...
What are inline namespaces for?
...e header <vector> might have looked like this:
namespace std {
#if __cplusplus < 1997L // pre-standard C++
inline
#endif
namespace pre_cxx_1997 {
template <class T> __vector_impl; // implementation class
template <class T> // e.g. w/o allocator argumen...
What is the instanceof operator in JavaScript?
...there.
Every object in JavaScript has a prototype, accessible through the __proto__ property. Functions also have a prototype property, which is the initial __proto__ for any objects created by them. When a function is created, it is given a unique object for prototype. The instanceof operator uses...