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How do I use a custom deleter with a std::unique_ptr member?
...very time, it can't inline (since the template can't specialize to the specific function, only the signature), and must call the function through the pointer (more costly than direct call). Both rici and Deduplicator's answers avoid all of these costs by specializing to a functor.
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...t comprehension in your last example doesn't change anything. There's no difference between OrderedDict([(i,i) for i in l]) and OrderedDict([('b', 'b'), ('a', 'a'), ('c', 'c'), ('aa', 'aa')]). The list comprehension is evaluated and creates the list and it is passed in; OrderedDict knows nothing a...
What is the difference between char * const and const char *?
What's the difference between:
19 Answers
19
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Can I define a class name on paragraph using Markdown?
Can I define a class name on paragraph using Markdown? If so, how?
10 Answers
10
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GCC compile error with >2 GB of code
... around 2.8 GB of object code (unfortunately there's no way around, scientific computing ...)
11 Answers
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How does Dijkstra's Algorithm and A-Star compare?
...f each node is calculated by f(x)=g(x)+h(x)
A* search only expands a node if it seems promising. It only focuses to reach the goal node from the current node, not to reach every other nodes. It is optimal, if the heuristic function is admissible.
So if your heuristic function is good to approximat...
Where can I view Tomcat log files in Eclipse?
...
I'm not sure if you were after catalina.out or one of the other logs produced by Tomcat.
But, if you're after the catalina.out log file then follow the directions below:
In the servers tab, double-click on the Tomcat Server. You will g...
In Python, how does one catch warnings as if they were exceptions?
...arnings.simplefilter("always")
# Trigger a warning.
fxn()
# Verify some things
assert len(w) == 1
assert issubclass(w[-1].category, DeprecationWarning)
assert "deprecated" in str(w[-1].message)
share...
Properties file in python (similar to Java Properties)
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Since nowhere here it is mentioned, let me add again that this is not the same. I cant speak for Java or Py3, and maybe it works for simple key/values. But the syntax for string interpolation is different. This solution provides P...
How do I send a POST request with PHP?
...ray('key1' => 'value1', 'key2' => 'value2');
// use key 'http' even if you send the request to https://...
$options = array(
'http' => array(
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
'method' => 'POST',
'content' => http_buil...