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Using LINQ to remove elements from a List
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Well, it would be easier to em>x m>clude them in the first place:
authorsList = authorsList.Where(m>x m> => m>x m>.FirstName != "Bob").ToList();
However, that would just change the value of authorsList instead of removing the authors from the previous collection....
What is the benefit of using $() instead of backticks in shell scripts?
...ng to figure out if some form of escaping will work on the backticks.
An em>x m>ample, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.tm>x m>t | tail -1l) -print)
which will give you a list of all files in the /dir directory tree which have the same name as the earliest date...
How do I return multiple values from a function? [closed]
...re added in 2.6 for this purpose. Also see os.stat for a similar builtin em>x m>ample.
>>> import collections
>>> Point = collections.namedtuple('Point', ['m>x m>', 'y'])
>>> p = Point(1, y=2)
>>> p.m>x m>, p.y
1 2
>>> p[0], p[1]
1 2
In recent versions of Python 3 (...
Which method performs better: .Any() vs .Count() > 0?
in the System.Linq namespace, we can now em>x m>tend our IEnumerable's to have the Any() and Count() em>x m>tension methods .
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How to convert 2D float numpy array to 2D int numpy array?
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Use the astype method.
>>> m>x m> = np.array([[1.0, 2.3], [1.3, 2.9]])
>>> m>x m>
array([[ 1. , 2.3],
[ 1.3, 2.9]])
>>> m>x m>.astype(int)
array([[1, 2],
[1, 2]])
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How does java do modulus calculations with negative numbers?
... get a negative number for negative inputs then you can use this:
int r = m>x m> % n;
if (r > 0 && m>x m> < 0)
{
r -= n;
}
Likewise if you were using a language that returns a negative number on a negative input and you would prefer positive:
int r = m>x m> % n;
if (r < 0)
{
r += n;
}
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What is the difference between Python's list methods append and em>x m>tend?
What's the difference between the list methods append() and em>x m>tend() ?
20 Answers
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Installing PG gem on OS m>X m> - failure to build native em>x m>tension
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Same error for me and I didn't em>x m>perience it until I downloaded OS m>X m> 10.9 (Mavericks). Sigh, another OS upgrade headache.
Here's how I fim>x m>ed it (with homebrew):
Install another build of m>X m>code Tools (typing brew update in the terminal will prompt you to u...
Why are there two kinds of functions in Elim>x m>ir?
I'm learning Elim>x m>ir and wonder why it has two types of function definitions:
8 Answers
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Converting string to numeric [duplicate]
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I suspect you are having a problem with factors. For em>x m>ample,
> m>x m> = factor(4:8)
> m>x m>
[1] 4 5 6 7 8
Levels: 4 5 6 7 8
> as.numeric(m>x m>)
[1] 1 2 3 4 5
> as.numeric(as.character(m>x m>))
[1] 4 5 6 7 8
Some comments:
You mention that your vector contains the characters "Do...