I don't think "disprefer X to Y" is a mistake, but I do think it is almost always more awkward-sounding to me than "prefer Y to X", and the meaning is equivalent.

The most important nontechnical use of 'disprefer' (for me) is to say that among a sea of choices to which I am largely indifferent, there is some choice that is particularly my least favourite—I may not have any legal, moral, or other objection to it, I just don't like it. I wouldn't say I use this all the time, but I certainly use it regularly when it's appropriate.

Not preferring is not the opposite of preferring, but rather the absence of preferring.

are correctly set up:

transitive verb

as a native speaker I'd probably tend to refer to his drug dependency, but his dependence on drugs (maybe because I see one as a problem he has, and the other as something he's doing, I don't know).

And as others have pointed out, there is potential for ambiguity: if A is dependent on B, then a dependence or dependency (relationship) exists; but referring to either A or B as the dependency demands context.

There are certainly cases where you can use dependency and cannot use dependence: for example "The UK's overseas dependencies", or "This software releases has dependencies on Unix and Java". So if the dependent things are discrete and countable, it should definitely be "dependency".

it's not asking anymore of you than to just enjoy

layout

to set up

set up

Checkout

Replace 'log' with 'clock'; do you think it should be "clockin" because you aren't "clocking" anything? Plus, if 'login' was a verb, you'd not be logging in, but logining. Eww. Or, you'd have just logined instead of logged in.

I feel very happy about them indeed because they take me to the destinations they promise (they're all nouns). Login doesn't take me to my login, which makes me sad. It does take me to a place where I can log in, however.

"you can verb any noun". :) Though, comparing "ssh into a workstation" to "login to host.com", where "log in" exists, it's a bit like saying "entrance the building" when "enter the building" already works

Login is a noun, the same as breakup (suffer a breakup), backup (keep backups safe), spinoff (a Star Wars spinoff), makeup, letdown,

You're set up!

depending on how the role is set up

Cleanup the code

to layout tables

which are passed onto controller actions.

Setup

Set up

Onto

checkout

Here's what 20 seconds of googling turned up: University of Rochester Grammar Style Guide oh hey look, a stackoverflow thread The truth about grammar: bailout versus bail out and there are so many more...

I think the conjugation is particularly helpful to see why it should be two separate words: "log in" -> "logging in" -> "logged in"

I have to mark up the pages

mark up

source | edit | rollback | link

set up

The verb set up, on the other hand, is usually found as an open compound (two words, no hyphen) in both American and British English.

It’s a “bug” and you “fix” it - so properly, in English, it’s a “bug fix” - but very often it’s shortened to “bugfix”.

Tryout my patch

sign out

sign in

user.timedout?(30.minutes.ago)

timeout

The exception, again, is the New York Times, where the one-word form is rare even on the blogs.

the spelling "Web site" (and the less questionable "web site") is an anachronism from the 1990s that is still in use by the NYT and some other conservative print media in the US while most others (including the online sections of the NYT!) today use "website".

English tends to build new compound nouns by simply writing them as separate words with a blank. Once the compound is established (and the original parts somewhat "forgotten"), it's often written as one word or hyphenated. (Examples: shoelaces, aircraft...)

Web site / website seems to be somewhat in a transitional stage, being seen as an "entity" that web page hasn't reached yet. Depending on which dictionary you check you will find web site and website, but only web page, not webpage.

A website (also written as web site)

confront