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erb, haml or slim: which one do you suggest? And why? [closed]
...s char count by much and a lot more readable than ERB.
For example (taken from official HAML site):
In ERB your view will look like this:
<div id="profile">
<div class="left column">
<div id="date"><%= print_date %></div>
<div id="address"><%= curr...
How to convert a char to a String?
I have a char and I need a String . How do I convert from one to the other?
12 Answers
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Will Emacs make me a better programmer? [closed]
...extend there is, and it is the environment where you reap the most benefit from extending it--your extensions integrate into Emacs like they are stock features, and so your future extensions may build upon your previous ones (positive-feedback-loop kind-of thing).
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bootstrap popover not showing on top of all elements
I'm working on a bootstrap site and after updating to bootstrap 2.2 from 2.0 everything worked except the popover.
15 Answe...
What does void mean in C, C++, and C#?
Looking to get the fundamentals on where the term " void " comes from, and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase.
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Node.js - use of module.exports as a constructor
....width, 2);
}
}
export default Square;
Using it in ES6
import Square from "./square";
// ...
When using a class, you must use the new keyword to instatiate it. Everything else stays the same.
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How to calculate moving average without keeping the count and data-total?
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Beware that this is quite far from the common definition of average. If you set N = 5 and enter 5 5 samples, the average will be 0.67.
– Dan Dascalescu
Jan 9 '18 at 8:28
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Using margin:auto to vertically-align a div
... - I've never really looked into those issues but I do know that switching from absolute to relative is not in itself a solution to make this work. I read a little bit of your article and it looks like absolute and relative go up to the first absolute or relative ancestor, is that correct?
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...yContextHolder under the hood but abstracts away that singleton-like class from my code. I've found no way to do this other than rolling my own interface, like so:
public interface SecurityContextFacade {
SecurityContext getContext();
void setContext(SecurityContext securityContext);
}
No...
How can I save an image with PIL?
...for doing the conversion for proper visualization:
import sys
import numpy
from PIL import Image
img = Image.open(sys.argv[1]).convert('L')
im = numpy.array(img)
fft_mag = numpy.abs(numpy.fft.fftshift(numpy.fft.fft2(im)))
visual = numpy.log(fft_mag)
visual = (visual - visual.min()) / (visual.max(...