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Convert a list to a string in C#
... {
return string.Join(", ", list);
}
}
(Note that this is free-hand and untested code. I don't have a compiler handy at the moment. So you'll want to experiment with it a little.)
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How to perform element-wise multiplication of two lists?
...an a list. Once you do this, you get things like element-wise products for free:
In [1]: import numpy as np
In [2]: a = np.array([1,2,3,4])
In [3]: b = np.array([2,3,4,5])
In [4]: a * b
Out[4]: array([ 2, 6, 12, 20])
s...
How can I recall the argument of the previous bash command?
...bash, version 3.2.51(1)-release (x86_64-apple-darwin13) Copyright (C) 2007 Free Software Foundation, Inc. The error message is -bash: :1-2: bad word specifier
– RNA
Feb 14 '14 at 18:21
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What is “rvalue reference for *this”?
...implementation unimportant
You'd certainly want the following to call the free function, don't you?
char const* s = "free foo!\n";
foo f;
f << s;
That's why member and non-member functions are included in the so-called overload-set. To make the resolution less complicated, the bold part of t...
Creating a constant Dictionary in C#
...e collections in the current framework. I can think of one relatively pain-free option in .NET 3.5:
Use Enumerable.ToLookup() - the Lookup<,> class is immutable (but multi-valued on the rhs); you can do this from a Dictionary<,> quite easily:
Dictionary<string, int> ids = new...
How to Add a Dotted Underline Beneath HTML Text
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This is the correct answer. Short and CSS-free. Thanks.
– Saeed Ahadian
Jan 14 at 13:36
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Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
...d as package manager. It can be installed from Anaconda.
Alternatively, a free minimal installer is Miniconda.
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Comment the interface, implementation or both?
...ith Intellisense in referenced NuGet packages.
It's at www.inheritdoc.io (free version available).
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How do I access command line arguments in Python?
...ou have to worry about when you are using sys.argv approach. And it is for free (built-in).
Here a small example:
import argparse
parser = argparse.ArgumentParser("simple_example")
parser.add_argument("counter", help="An integer will be increased by 1 and printed.", type=int)
args = parser.parse_...
Delete a key from a MongoDB document using Mongoose
...of the above functions did me the requirement. The function compiles error free but the field would still remain.
user.set('key_to_delete', undefined, {strict: false} );
did the trick for me.
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