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Pointer to class data member “::*”
...ions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is my best (untested) try - an Apply function that would do some pre &post processing before applying a user-selected member function to an object:
void Apply( SomeClass ...
What are the main purposes of using std::forward and which problems it solves?
...d the entire problem in detail, but I'll summarize.
Basically, given the expression E(a, b, ... , c), we want the expression f(a, b, ... , c) to be equivalent. In C++03, this is impossible. There are many attempts, but they all fail in some regard.
The simplest is to use an lvalue-reference:
te...
Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
21 Answers
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What is the difference between 'log' and 'symlog'?
In matplotlib , I can set the axis scaling using either pyplot.xscale() or Axes.set_xscale() . Both functions accept three different scales: 'linear' | 'log' | 'symlog' .
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Initialising an array of fixed size in python [duplicate]
...ocs indicate "None is typically used to represent absence of a value". My example produced such a list of the defined size, in the shortest amount of code. Its the closest thing in idiomatic Python at the time the question was asked.
– samplebias
Aug 25 '14 at ...
Why does Python use 'magic methods'?
...g around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
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Add MIME mapping in web.config for IIS Express
I need to add a new MIME mapping for .woff file extensions to IIS Express.
8 Answers
8...
How to find out if a Python object is a string?
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Python 3
In Python 3.x basestring is not available anymore, as str is the sole string type (with the semantics of Python 2.x's unicode).
So the check in Python 3.x is just:
isinstance(obj_to_test, str)
This follows the fix of the official 2to...
Express.js req.body undefined
I have this as configuration of my Express server
35 Answers
35
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Default parameter for CancellationToken
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It turns out that the following works:
Task<x> DoStuff(...., CancellationToken ct = default(CancellationToken))
which, according to the documentation, is interpreted the same as CancellationToken.None:
You can also use the C# default(CancellationToken) stateme...