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How does Dijkstra's Algorithm and A-Star compare?
... we only consider the distance from the source right? And the minimum vertem>x m> is taken into consideration?
– Kraken
Apr 26 '13 at 22:18
5
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How to suppress “unused parameter” warnings in C?
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I usually write a macro like this:
#define UNUSED(m>x m>) (void)(m>x m>)
You can use this macro for all your unused parameters. (Note that this works on any compiler.)
For em>x m>ample:
void f(int m>x m>) {
UNUSED(m>x m>);
...
}
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Define a lambda em>x m>pression that raises an Em>x m>ception
How can I write a lambda em>x m>pression that's equivalent to:
6 Answers
6
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What is a None value?
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Martijn's answer em>x m>plains what None is in Python, and correctly states that the book is misleading. Since Python programmers as a rule would never say
Assigning a value of None to a variable is one way to reset it to
its original, empty...
Checking if a double (or float) is NaN in C++
...tation for your compiler, of course...
– dmckee --- em>x m>-moderator kitten
Feb 20 '09 at 19:21
39
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Why does C++11 not support designated initializer lists as C99? [closed]
...ructors. If it makes sense to initialize just one member then that can be em>x m>pressed in the program by implementing an appropriate constructor. This is the sort of abstraction C++ promotes.
On the other hand the designated initializers feature is more about em>x m>posing and making members easy to access...
How can I access and process nested objects, arrays or JSON?
I have a nested data structure containing objects and arrays. How can I em>x m>tract the information, i.e. access a specific or multiple values (or keys)?
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How to convert string representation of list to a list?
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>>> import ast
>>> m>x m> = u'[ "A","B","C" , " D"]'
>>> m>x m> = ast.literal_eval(m>x m>)
>>> m>x m>
['A', 'B', 'C', ' D']
>>> m>x m> = [n.strip() for n in m>x m>]
>>> m>x m>
['A', 'B', 'C', 'D']
ast.literal_eval:
With ast.literal_eval,...
Python - Create list with numbers between 2 values?
How would I create a list with values between two values I put in?
For em>x m>ample, the following list is generated for values from 11 to 16:
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What is the syntam>x m> rule for having trailing commas in tuple definitions?
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In all cases em>x m>cept the empty tuple the comma is the important thing. Parentheses are only required when required for other syntactic reasons: to distinguish a tuple from a set of function arguments, operator precedence, or to allow line b...