These lists are included for use in examples and for you to play around with some non-enormous data sets. Please don't use them in actual code.
require 'dfe/reference_data/demo`Greeting the world, in a few languages.
Owner: None.
Users: None.
Quality: Unmaintained, useless, demo data.
| Field | Type | Purpose |
|---|---|---|
id |
string | IETF language code |
text |
string | "Hello World" in the language specified in the id field |
Greeting the world, in fictional cultures.
Owner: None.
Users: None.
Quality: Unmaintained, useless, demo data.
| Field | Type | Purpose |
|---|---|---|
id |
string | Name of culture |
text |
string | Traditional greeting in the culture named in the id field |
The chemical elements, with related data. Probably inaccurate. Units unknown.
Owner: None.
Users: None.
Source: Public domain CSV file I had kicking around from a previous project.
Quality: Unmaintained, source data was of questionable accuracy and quality.
| Field | Type | Purpose |
|---|---|---|
id |
string | Chemical symbol |
atomic_number |
integer | Atomic number |
name |
string | Element's name |
atomic_mass |
float | Standard atomic mass |
number_of_neutrons |
integer | Neutron count (in most stable isotope) |
number_of_protons |
integer | Proton count |
number_of_electrons |
integer | Electron count (in neutral state) |
period |
integer | Period (of the periodic table) |
group |
integer | Group (of the periodic table) |
phase |
string (gas,solid,liq, or artificial) |
Phase (at standard temperature and pressure) |
radioactive |
boolean | Are there no stable isotopes? |
natural |
boolean | Is it found in nature? |
metal |
boolean | Is it a metal? |
nonmetal |
boolean | Is it a nonmetal? |
metalloid |
boolean | Is it a metalloid? |
type |
string | Type of element |
atomic_radius |
float | Atomic radius |
electronegativity |
float | Electronegativity |
first_ionization |
float | First ionization energy |
density |
float | Density (at standard temperature and pressure) |
melting_point |
float | Melting point (at standard pressure) |
boiling_point |
float | Boiling point (at standard pressure) |
number_of_isotopes |
integer | Number of known isotopes |
discoverer |
string | Name of discoverer |
year |
integer | Year of discovery |
specific_heat |
float | Specific heat |
number_of_shells |
integer | Number of electron shells |
valence |
integer | Valency |