On Thu, 13 Feb 2014 10:03:50 -0800 Alec Warner <anta...@gentoo.org> wrote:
> On Thu, Feb 13, 2014 at 7:42 AM, Brian Dolbec <dol...@gentoo.org> > wrote: > > > well actually, for simple additions like that, string1 + string2, > > it is actually faster. > > But for multiple additions, %s is much better, faster. Also if the > > string is translated, then use %s regardless. That way the %s can > > be moved around for the translation. > > > > In general we prefer % for readability purposes, not because it is > faster. > > foo = "Bar" + foo + " " + baz + "," + goat > > foo = "Bar %s %s, %s" % (foo, baz, goat) > > I think this case could go either way, because even with %, > "NumberOf%s" is not much of an improvement. > The code is littered with the former though, and it makes it really > annoying to read ;) > > -A Do I have to sick Brian Harring on you ;) I said for simple string addition... string1 + string2 is faster and equally readable Your example goes into the "string %s %s, %s" example where the string substitution is actually faster. Plus it is a lot more readable. -- Brian Dolbec <dolsen>
