Update CONTRIBUTING.md to add line length limit

[jakebolewski]

Prompted by encountering some 250+ character lines in the linear algebra library

Also add naming conventions for modules, types, and methods.

[ci skip]

[IainNZ]

Where did 92 come from?

[jakebolewski]

An arbitrary number less than 250.

[ViralBShah]

Sounds like Fortran!

[jiahao]

Hard to beat the classics:

ref

[jakebolewski]

with optional command line flag, you get to upgrade to 132 characters per line :-)

[iamed2]

Python's PEP8 suggests 99 as a hard max, why not that? Seems like as good a reason as any.

[elextr]

rand()*250 gives 100.00978344188333 (in Julia 0.3.5) so 99 looks like it 😉

[iamed2]

Oh weird, it gives me 134.59251205400307 on 0.4. Is this a regression? ;)

[elextr]

On 21 January 2015 at 15:12, iamed2 notifications@github.com wrote:

Oh weird, it gives me 134.59251205400307 on 0.4. Is this a regression? ;)

​No, it is random :)

Cheers
Lex

PS today I got ​169.56878644092737, I presume it depends on your systems
entropy, it was just lucky that time :)

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#9848 (comment).

[eschnett]

julia> rand()*250
80.38026797235948

And I only needed two tries to get that result!

-erik

On Jan 21, 2015, at 2:14 , elextr notifications@github.com wrote:

On 21 January 2015 at 15:12, iamed2 notifications@github.com wrote:

Oh weird, it gives me 134.59251205400307 on 0.4. Is this a regression? ;)

​No, it is random :)

Cheers
Lex

PS today I got ​169.56878644092737, I presume it depends on your systems
entropy, it was just lucky that time :)

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#9848 (comment).

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