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Add to SafariWhen comparing Carpalx QGMLWB vs Programmer Dvorak, the Slant community recommends Programmer Dvorak for most people. In the question“What are the best keyboard layouts for programming?” Programmer Dvorak is ranked 2nd while Carpalx QGMLWB is ranked 10th. The most important reason people chose Programmer Dvorak is:
J and K are where C and V are on QWERTY. H is still left of L.
Specs
Question Ranking
Pros
Pro Punctuation is in the same location as QWERTY
If you already know QWERTY you don't have to relearn the punctuation, with the single exception of the ;: key which is in QWERTY's P position, like Colemak.
Pro ZXC don't move compared to QWERTY
Like Colemak, the common undo, cut and copy Ctrl-commands don't move from their QWERTY positions. The V (paste) key does though.
Pro Uses a colemak-like character layout
Uses the colemak character layout of moving P on a standard QWERTY keyboard layout one step down, extending the home row.
Pro Has low consecutive finger use
See the source here.
Pro Letter positions optimized
Via a quantitative effort model.
Pro Vim keybindings still make sense
J and K are where C and V are on QWERTY. H is still left of L.
Pro Made for programming
This keyboard took a stand and optimized the Dvorak standard for programming.
Pro Easy to learn if you're already used to Dvorak
The letter keys are the same, so it's not nearly the same mental jump as Qwerty to Dvorak.
Pro Keyboards are designed for human comfort
Pro Programmer punctuation without shifting on the top row
The top row is hardest to reach, and shifting doesn't make this easier. Programmers uses punctuation far more than numerals, so it makes sense to shift for the numerals instead of the punctuation.
Pro Preinstalled on Linux
You can enable it systemwide when you're installing Ubuntu.
Pro Open source
The keyboard layout is open source and available for edition.
Pro Typing feels more comfortable
Completely subjective of course.
Pro Easily switch between Standard Dvorak and Programmer's one
Dvorak Simplified Layout is more general and available on all OS, if we need to type on other's computer, we can still use the Dvorak Simplified Layout for typing.
Pro Better number arrangement
The smallest numerals are the most frequently used, so why should they be on the weak fingers of the left hand? The order still makes sense too. Odd numbers on the left, even numbers on the right, ascending from the inside out (with the least used numeral '9' in the middle).
Pro Don't need to buy another keyboard or move keycaps around
Having the original QWERTY labels is useful for other people using your computer or if you ever need QWERTY. Not having keycaps labeled in Dvorak forces you to learn to touch type. All QWERTY keyboards can be remapped to Dvorak in your operating system settings, so you don't need a physical Dvorak keyboards.
Pro Number arrangement is the same as the original Dvorak keyboards
Pro More use means more usage
If an individual uses this and tells other people or they try it, the layout will be more popular, and those people will tell people and the world will change.
Pro Other people can't use your computer unless you switch it to QWERTY for them
Cons
Con Effort model is speculative
The quantitative effort model central to the optimization is based on armchair speculation, rather than a scientific biomedical study. The chosen metrics and weighting for them are likely partially correct. But no-one is really sure how correct.
Con Doesn't take finger length into account
Unlike layouts such as norman and workman, QGMLWB doesn't take the length of fingers into account, for example on a standard QWERTY layout, it's easier to reach E than C.
Con Punctuation is not optimized
Programmers have to use punctuation a lot, but (except for the ;: key, like Colemak) punctuation hasn't been moved from their positions on QWERTY. In fact, the non-letter characters , . - " _ ' ) ( ; 0 1 = 2 : are used more than the least-frequent letter z in a reasonable English corpus. Not optimizing punctuation at all, especially for programmers, is nonsense.
Con V key has moved compared to QWERTY
The common paste shortcut used in for example windows has been moved to the right hand, making the layout harder to learn. This however is fixed in the QGMLWY variant of the carpalx series.
Con A very small user base and community
Con Doesn't favor the right hand
For right handed users, this keyboard layout doesn't use the usually stronger right hand more than the left, infact it sometimes favors the left hand more.
Con Other people can't use your computer unless you switch it to QWERTY for them
Con Keyboard controls for video games and other applications are all made for QWERTY
If you want to game, the WASD keys are completely unusable. You either need to switch to QWERTY (and then switch to Dvorak every time you want to use in game chat) or spend time remaping every key, because games don't come with Dvorak keymaps. Sufficiently popular games might have Dvorak mods.
Con It takes a couple weeks before you're back to a usable speed when switching from QWERTY
Achieving your old QWERTY speed can take a month or more.
Con Dvorak users usually still use QWERTY on their smartphones
Dvorak is made for ten fingers. Its main ideas, such as maximizing the number of "finger rolls" and alternating hands, don't make much sense when you're typing with your thumbs.
Con SHORTCUTS nightmare
Shortcuts, Shortcuts, Shortcuts, it is a total nightmare for users even used it for years.
Con Typing numbers is hard
Numbers are arranged for their characters, not in ascending order. You also have to shift.
Con It probably won't make you type much faster, if at all
Con Punctuation moved, not just letters
Punctuation moved in addition to letters, meaning that the learning curve is that much harder coming from QWERTY because nearly every key is in a different place.
