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Why can lambdas be better optimized by the compiler than plain functions?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the difference between an int and an Integer in Java and C#?
... I don't know Java but there is not type Integer but Int32,Int64 and they are all struct which is value type. Primitive means in C# that types are defined in FCL (Framework Class Library) by CLR team and that's why they're called primitive. In this case even Date obj is called primitive...
“Private” (implementation) class in Python
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Use a single underscore prefix:
class _Internal:
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This is the official Python convention for 'internal' symbols; "from module import *" does not import underscore-prefixed objects.
Edit: Reference to the single underscore convention
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How do I concatenate or merge arrays in Swift?
.../merge two arrays.
#1. Merge two arrays into a new array with Array's +(_:_:) generic operator
Array has a +(_:_:) generic operator. +(_:_:) has the following declaration:
Creates a new collection by concatenating the elements of a collection and a sequence.
static func + <Other>(lhs...
How would you go about parsing Markdown? [closed]
... uses an actual parser, is Jon MacFarleane’s peg-markdown. Its parser is based on a Parsing Expression Grammar parser generator called peg.
EDIT: Mauricio Fernandez recently released his Simple Markup Markdown parser, which he wrote as part of his OcsiBlog Weblog Engine. Because the parser is wri...
How do I get Flask to run on port 80?
...link to the official documentation about setting up Flask with Apache + mod_wsgi.
Edit 1 - Clarification for @Djack
Proxy HTTP traffic to Flask through apache2
When a request comes to the server on port 80 (HTTP) or port 443 (HTTPS) a web server like Apache or Nginx handles the connection of ...
What's the _ underscore representative of in Swift References?
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Both answers were correct but I want to clarify a little bit more.
_ is used to modify external parameter name behavior for methods.
In Local and External Parameter Names for Methods section of the documentation, it says:
Swift gives the first parameter name in a method a local paramete...
Asynchronous method call in Python?
...an use pools of processes and then get results asynchronously with:
apply_async(func[, args[, kwds[, callback]]])
E.g.:
from multiprocessing import Pool
def f(x):
return x*x
if __name__ == '__main__':
pool = Pool(processes=1) # Start a worker processes.
result = pool....
How can I capitalize the first letter of each word in a string?
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stevehasteveha
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What is the list of valid @SuppressWarnings warning names in Java?
...t need to guess at which
annotation to add, because IntelliJ will choose based on the warning
you selected.
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