On Mar 15, 2014, at 4:09 AM, Gurpreet Luthra wrote:

> RubyMine gives a warning on any string that uses double quotes without 
> interpolation... So I learnt to use single quotes when no interpolation, and 
> double quotes only on interpolation. 
> 
> I would prefer using double quotes everywhere.. 
> 
> Regards
> Gurpreet

I'm ashamed to admit this, but I come from PHP, where there is (or used to be) 
a subtle performance hit when using double-quotes. It was explained to me as 
being similar to the difference between a .html and .php file to the Apache 
server -- the former requires no introspection, just find it and serve it, 
while the latter requires careful inspection and delegation. I tend to use 
single-quotes unless I want to use interpolation.

Walter

> 
> 
> 
> On 15 March 2014 11:23, tamouse pontiki <tamouse.li...@gmail.com> wrote:
> On Thu, Mar 13, 2014 at 7:01 AM, Dave Aronson
> <googlegroups2d...@davearonson.com> wrote:
> > On Thu, Mar 13, 2014 at 12:52 AM, Brandon <wongw...@gmail.com> wrote:
> >
> >> I try to use single quote first as much as I can because I find the
> >> readability is better and it takes up less spaces each line.
> >
> > I've started doing the opposite.  The tiny time savings in the
> > interpreter from not checking for interpolation, pale in comparison to
> > the human-time wasted by "why is it failing to do the interpolation I
> > added, oh, I didn't convert the quotes" and "why is it blowing up on
> > this perfectly innocent string, oh, I used a contraction inside
> > single-quotes so it thinks the string ends there" and whatever other
> > problems it causes.
> 
> I can get behind this. My fingers tend to land on single quotes for
> certain things I have *never* used interpolation on, such as require
> names. Not that one couldn't, I just haven't (yet). I struggled with
> watching a senior dev experience this very thing and not feeling I
> should say anything to them. I finally decided I should.
> 
> > Meanwhile, though, I'm curious.  Can you articulate why you feel
> > single-quotes have better readability?
> 
> I'm actually now thinking that the double quote marks out a string
> more easily visually, and so probably makes it more valuable for that.
> But not much.
> 
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