ActiveObject

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ActiveObject is a collection of commonly used object helpers in a ruby based project.

Highly recommended extensions:

Installation

Add this line to your application's Gemfile:

gem "active_object"

And then execute:

$ bundle

Or install it yourself as:

$ gem install active_object

Table of Contents

Configuration

rails g active_object:install will generate the following active_object.rb file:

# config/initalizers/active_object.rb

ActiveObject.configure do |config|
  # option = default

  config.autoload_array = true
  config.autoload_date = true
  config.autoload_enumerable = true
  config.autoload_hash = true
  config.autoload_integer = true
  config.autoload_numeric = true
  config.autoload_object = true
  config.autoload_range = true
  config.autoload_string = true
  config.autoload_time = true
end

Array

After:

after returns the value after the given value.

["1", "2", "3"].after("2") #=> "3"
["1", "2", "3"].after("3") #=> "1"
["1", "2", "3"].after("4") #=> nil

Before:

before returns the value before the given value.

["1", "2", "3"].before("2") #=> "1"
["1", "2", "3"].before("1") #=> "3"
["1", "2", "3"].before("4") #=> nil

Delete First:

delete_first and delete_first! removes the first element from an array. Like Array.shift, but returns the array instead of the removed element.

["1", "2", "3"].delete_first #=> ["2", "3"]

Delete Last:

delete_last and delete_last! removes the last element from an array. Like Array.pop, but returns the array instead of the removed element.

["1", "2", "3"].delete_last #=> ["1", "2"]

Delete Values:

delete_values delete multiple values from array.

[1, 2, 3, 4].delete_values(1, 3) #=> [2, 4]

Dig:

dig returns the value of a nested array.

["zero", ["ten", "eleven", "twelve"], "two"].dig(1, 2) #=> "twelve"

Duplicates:

duplicates returns list of duplicate elements.

[1, 1, 2, 2, 2, 3].duplicates    #=> [1, 2]
[1, 1, 2, 2, 2, 3].duplicates(3) #=> [2]

From:

from returns the tail of the array from position.

["1", "2", "3"].from(0) #=> ["1", "2", "3"]
["1", "2", "3"].from(1) #=> ["2", "3"]
["1", "2", "3"].from(-1) #=> ["3"]

Groups:

groups splits or iterates over the array in number of groups.

%w(1 2 3 4 5 6 7 8 9 10).groups(3) #=> [["1", "2", "3", "4"], ["5", "6", "7"], ["8", "9", "10"]]

In Groups:

in_groups splits or iterates over the array in number of groups, padding any remaining slots with fill_with unless it is false.

%w(1 2 3 4 5 6 7 8 9 10).in_groups(3)           #=> [["1", "2", "3", "4"], ["5", "6", "7", nil], ["8", "9", "10", nil]]
%w(1 2 3 4 5 6 7 8 9 10).in_groups(3, ' ') #=> [["1", "2", "3", "4"], ["5", "6", "7", " "], ["8", "9", "10", " "]]
%w(1 2 3 4 5 6 7 8 9 10).in_groups(3, false)    #=> [["1", "2", "3", "4"], ["5", "6", "7"], ["8", "9", "10"]]

In Groups Of:

in_groups_of splits or iterates over the array in groups of size number, padding any remaining slots with fill_with unless it is false.

%w(1 2 3 4 5 6 7 8 9 10).in_groups_of(3)           #=> [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"], ["10", nil, nil]]
%w(1 2 3 4 5 6 7 8 9 10).in_groups_of(3, ' ') #=> [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"], ["10", " ", " "]]
%w(1 2 3 4 5 6 7 8 9 10).in_groups_of(3, false)    #=> [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"], ["10"]]

Percentile:

percentile returns the percentile value for a given percentage.

[1, 2, 3, 4].percentile(49)    # => 2
[1, 2, 3, 4].percentile(50)    # => 3
[1, 2, 3, 4, 5].percentile(50) # => 3

Probablity:

probability generates a hash mapping each unique element in the array to the relative frequency, i.e. the probablity, of it appearence.

[:a, :b, :c, :c].probability #=> { a: 0.25, b: 0.25, c: 0.5 }

Reject Values:

reject_values delete multiple values from array from a array copy.

[1, 2, 3, 4, 5].reject_values(2,4) #=> [1, 3, 5]

Sample:

sample! deletes a random value and returns that value.

[1, 2, 3, 4, 5].sample! #=> 2

Split:

split divides the array into one or more subarrays based on a delimiting value or the result of an optional block.

[1, 2, 3, 4, 5].split(3)              # => [[1, 2], [4, 5]]
(1..10).to_a.split { |i| i % 3 == 0 } # => [[1, 2], [4, 5], [7, 8], [10]]

Strip:

strip and strip! removes blank elements from an array.

["this", "", "that", nil, false].strip  #=> ["this", "that"]
"this    is   a  test".split(" ").strip #=> ["this", "is", "a", "test"]

To:

to returns the beginning of the array up to position.

["1", "2", "3"].to(0) #=> ["1"]
["1", "2", "3"].to(1) #=> ["1", "2"]
["1", "2", "3"].to(-1) #=> ["3"]

To Sentence:

to_sentence converts the array to a comma-separated sentence where the last element is joined by the connector word.

Options:

  • words_connector: “, ”
  • two_words_connector: “ and ”
  • last_word_connector: “, and ”
[].to_sentence                                                                                     #=> ""
["one"].to_sentence                                                                                #=> "one"
["one", "two"].to_sentence                                                                         #=> "one and two"
["one", "two", "three"].to_sentence                                                                #=> "one, two, and three"
["one", "two"].to_sentence(two_words_connector: '-')                                               #=> "one-two"
["one", "two", "three"].to_sentence(words_connector: ' or ', last_word_connector: ' or at least ') #=> "one or two or at least three"

Enumerable

Cluster:

cluster clusters together adjacent elements into a list of sub-arrays.

[2,2,2,3,3,4,2,2,1].cluster { |x| x } #=> [[2, 2, 2], [3, 3], [4], [2, 2], [1]]

Difference:

difference returns the difference of a collection of numbers.

[].difference #=> 0
[].difference(nil) #=> nil
[1,2,3].difference #=> -4

Divisible:

divisible returns the division of a collection of numbers.

[].divisible       #=> 0
[].divisible(nil)  #=> nil
[16,4,2].divisible #=> 2

Drop Last:

drop_last drops the last number of elements of a collection.

[].drop_last(1)      #=> []
[1,2,3].drop_last(1) #=> [1,2]
[1,2,3].drop_last(2) #=> [1]

Drop Last If:

drop_last_if drops the last number of elements of a collection while it meets a criteria.

[].drop_last_if(&:odd?)        #=> []
[1,2,3].drop_last_if(&:odd?)   #=> [1,2]
[1,2,3,4].drop_last_if(&:odd?) #=> [1,2,3,4]

Exactly:

exactly? returns if there are exactly the number of an element type.

[].exactly?(1)                 #=> false
[1,2,3].excatly?(3)            #=> true
[1,1,3,3].exactly?(2, &:even?) #=> false

Exclude:

exclude? returns true if the collection does not include the object.

[1, 2, 3].exclude?(4) #=> true
[1, 2, 3].exclude?(3) #=> false

Expand:

expand expand all elements of an Enumerable object.

[0, 2..3, 5..7].expand #=> [0,[2, 3],[5,6,7]]

Exponential:

exponential returns the exponential of a collection of numbers.

[].exponential      #=> 0
[].exponential(nil) #=> nil
[2,3,4].exponential #=> 4096

Frequencies:

frequencies returns a hash of the number of times a value in an array appears.

[].frequencies                                    #=> {}
[1, :symbol, 'string', 3, :symbol, 1].frequencies #=> { 1 => 2, :symbol => 2, 'string' => 1, 3 => 1 }

Incase:

incase? the same as #include? but tested using #=== instead of #==.

[1, 2, "a"].incase?(String) #=> true
[1, 2, "a"].incase?(3)      #=> false

Many:

many? returns if collection has more than one element while respecting nil and false as an element.

[].many?                 #=> false
[1,2,3].many?            #=> true
[1, false, nil].many?    #=> true
[1,1,3,3].many?(&:even?) #=> false

Max:

max returns the largest value of a collection of numbers.

[].max      #=> 0
[].max(nil) #=> nil
[1,2,3].max #=> 3

Min:

min returns the smallest value of a collection of numbers.

[].min      #=> 0
[].min(nil) #=> nil
[1,2,3].min #=> 1

Mean:

mean and average returns the average of a collection of numbers.

[].mean      #=> 0
[].mean(nil) #=> nil
[1,2,3].mean #=> 2

Median:

median returns the middle value of a collection of numbers.

[].median        #=> 0
[].median(nil)   #=> nil
[1,2,6].median   #=> 2
[1,2,3,6].median #=> 2.5

Mode:

mode returns the most frequent value of a collection of numbers.

[].mode        #=> 0
[].mode(nil)   #=> nil
[1,2,3].mode   #=> nil
[1,1,2,6].mode #=> 1

Multiple:

multiple returns the multiplication of a collection of numbers.

[].multiple      #=> 0
[].multiple(nil) #=> nil
[1,2,3].multiple #=> 6

Range:

range returns the difference between the smallest and largest value of a collection of numbers.

[].range      #=> 0
[].range(nil) #=> nil
[1,2,6].range #=> 5

Several:

several? returns if collection has more than one element while not respecting nil and false as an element.

[].several?                 #=> false
[1,2,3].several?            #=> true
[1, false, nil].several?    #=> false
[1,1,3,3].several?(&:even?) #=> false

Standard Deviation:

standard_deviation returns the standard deviation of elements of a collection.

[].standard_deviation      #=> 0
[].standard_deviation(nil) #=> nil
[1,2,6].standard_deviation #=> 2.6457513110645907

Sum:

sum returns the sum of a collection of numbers.

[].sum             #=> 0
[].sum(nil)        #=> nil
[1,2,3].sum        #=> 6
["foo", "bar"].sum #=> "foobar"

Take Last:

take_last returns the last number of elements of a collection.

[].take_last(1)      #=> []
[1,2,3].take_last(1) #=> [3]
[1,2,3].take_last(2) #=> [2,3]

Take Last If:

take_last_if returns the last number of elements of a collection while it meets a criteria.

[].take_last_if(&:odd?)        #=> []
[1,2,3].take_last_if(&:odd?)   #=> [3]
[1,2,3,4].take_last_if(&:odd?) #=> []

Variance:

variance returns the variance of elements of a collection.

[].variance      #=> 0
[].variance(nil) #=> nil
[1,2,6].variance #=> 7

Hash

Assert Valid Keys:

assert_valid_keys raises an error if key is not included in a list of keys.

{}.assert_valid_keys(:foo)                               #=> {}
{ foo: "bar" }.assert_valid_keys(:foo)                   #=> { foo: "bar" }
{ foo: "bar", baz: "boz" }.assert_valid_keys(:foo, :boo) #=> raises "ArgumentError: Unknown key: :baz. Valid keys are: :foo, :boo"

Compact:

compact and compact! returns a hash with non nil values.

{}.compact                                   #=> {}
{ foo: nil }.compact                         #=> {}
{ foo: "bar", baz: false, boo: nil }.compact #=> { foo: "bar", baz: false }

Deep Merge:

deep_merge and deep_merge! returns a new hash with self and other_hash merged recursively.

h1 = { a: true, b: { c: [1, 2, 3] } }
h2 = { a: false, b: { x: [3, 4, 5] } }

h1.deep_merge(h2) #=> { a: false, b: { c: [1, 2, 3], x: [3, 4, 5] } }

Dig:

dig returns the value of a nested hash.

h1 = { a: { b: { c: :d } } }

h1.dig(:a, :b)     #=> { c: :d }
h1.dig(:a, :b, :c) #=> :d

Except:

except and except! returns a hash that includes everything but the given keys.

{}.except(:foo)                                                    #=> {}
{ foo: 'foo', baz: 'baz', bar: 'bar' }.except(:foo)                #=> { baz: 'baz', bar: 'bar' }
{ :foo => 'foo', :baz => 'baz', :bar => 'bar' }.except(:baz, :bar) #=> { :foo => 'foo' }

Hmap:

hmap and hmap! returns a hash that is transformed in place.

{ a: 1, b: 2, c: 3 }.hmap { |k, v| { k => v + 3 } } #=> { a: 4, b: 5, c: 6 }

Nillify:

nillify and nillify! transforms all blank values to nil.

{ a: 1, b: "test", c: nil, d: false, e: "", f: " " }.nillify #=> {a: 1, b: 'test', c: nil, d: nil, e: nil, f: nil}

Only:

only and only! returns only key/value pairs matching certain keys.

{}.only(:foo)                                                    #=> {}
{ foo: 'foo', baz: 'baz', bar: 'bar' }.only(:foo)                #=> { foo: 'foo' }
{ :foo => 'foo', :baz => 'baz', :bar => 'bar' }.only(:baz, :bar) #=> { :baz => 'baz', :bar => 'bar' }

Rename Keys:

rename_keys and rename_keys! rename the keys of a hash.

{ foo: 'foo', baz: 'baz' }.rename_keys(foo: :bar)                      #=> { bar: 'foo', baz: 'baz' }
{ foo: 'foo', 'baz' => 'baz' }.rename_keys(foo: :bar, 'baz' => 'tick') #=> { bar: 'foo', tick: 'baz' }

Reverse Merge:

reverse_merge and reverse_merge! merges one hash into other hash.

{}.reverse_merge!(foo: "bar")                         #=> { foo: "bar" }
{ foo: "bar" }.reverse_merge!(baz: "boo", boo: "bam") #=> { foo: "bar", baz: "boo", boo: "bam" }

Sample:

sample returns a random key-value pair. sample! deletes a random key-value pair and returns that pair.

h = { a: 1, b: 2, c: 3, d: 4 }

h.sample  #=> [:c, 3]
h.sample! #=> [:a, 1]

Sample Key:

sample_key returns a random key. sample_key! delete a random key-value pair, returning the key.

h = { a: 1, b: 2, c: 3, d: 4 }

h.sample_key  #=> :b
h.sample_key! #=> :d

Sample Value:

sample_value returns a random value. sample_value! delete a random key-value pair, returning the value.

h = { a: 1, b: 2, c: 3, d: 4 }

h.sample_value  #=> 1
h.sample_value! #=> 3

Shuffle:

shuffle returns a copy of the hash with values arranged in new random order. shuffle! returns the hash with values arranged in new random order.

h = { a: 1, b: 2, c: 3, d: 4 }

h.shuffle  #=> { b: 2, c: 3, a: 1, d: 4 }
h.shuffle! #=> { d: 4, b: 2, c: 3, a: 1 }

Slice:

slice a hash to include only the given keys. Returns a hash containing the given keys. slice! replaces the hash with only the given keys. Returns a hash containing the removed key/value pairs.

h = { a: 1, b: 2, c: 3, d: 4 }

h.slice(:a, :b)  #=> { a: 1, b: 2 }
h.slice!(:a, :b) #=> { c: 3, d: 4 }

Stringify Keys:

stringify_keys and stringify_keys! converts the hash keys to strings.

{ foo: "foo", "bar" => 'bar' }.stringify_keys #=> { "foo" => "foo", "baz" => "baz" }

Strip:

strip and strip! returns a hash with non nil, false, or blank values.

{}.strip                                                      #=> {}
{ foo: nil, baz: false, boo: '', faz: ' ' }.strip             #=> {}
{ foo: "bar", baz: false, boo: nil, boz: '', faz: ' ' }.strip #=> { foo: "bar" }

Symbolize Keys:

symbolize_keys and symbolize_keys! converts the hash keys to symbols.

{ foo: "foo", "bar" => "bar" }.symbolize_keys #=> { foo: "foo", baz: "baz" }

Symbolize and Underscore Keys:

symbolize_and_underscore_keys and symbolize_and_underscore_keys! symbolize and underscore hash keys.

{ "firstName" => "foo", "last Name" => "test" }.symbolize_and_underscore_keys #=> { first_name: "foo", last_name: "test" }

Transform Keys:

transform_keys and transform_keys! a new hash with all keys converted using the block operation.

{ foo: "bar", baz: "boo" }.transform_keys { |k| k.to_s.upcase } #=> { "FOO" => "bar", "BAZ" => "boo" }

Transform Values:

transform_values and transform_values! a new hash with all values converted using the block operation.

{ foo: "bar", baz: "boo" }.transform_values { |v| v.to_s.upcase } #=> {foo: "BAR", baz: "BOO" }

Integer

Factorial:

factorial calculate the factorial of an integer.

4.factorial #=> 24

Of:

of is like #times but returns a collection of the yield results.

3.of { |i| "#{i+1}" } #=> ["1", "2", "3"]

Roman:

roman converts this integer to a roman numeral.

49.roman #=> "XLIX"

Time:

time returns a Time object for the given Integer.

3.time #=> "1969-12-31 19:00:03.000000000 -0500"

Numeric

Add:

add returns the sum of two numbers.

4.add(2) #=> 6

Bytes in Bytes:

byte_in_bytes and bytes_in_bytes returns self.

3.bytes_in_bytes #=> 3

Centigrams in Grams:

centigram_in_grams and centigrams_in_grams returns the amount of grams in n centigrams.

3.centigrams_in_grams #=> 0.03

Centimeters in Meters:

centimeter_in_meters and centimeters_in_meters returns the amount of meters in n centimeters.

3.centimeters_in_meters #=> 0.03

Centuries_in_seconds:

century_in_seconds and centuries_in_seconds returns the amount of seconds in n centuries.

3.centuries_in_seconds #=> 9467280000.0

Clamp:

clamp returns a comparable between a lower and upper bound.

1.clamp(3, 6) # => 3
5.clamp(3..6) # => 5
8.clamp(3, 6) # => 6

Days in Seconds:

day_in_seconds and days_in_seconds returns the amount of seconds in n days.

3.days_in_seconds #=> 259200

Decades in Seconds:

decade_in_seconds and decades_in_seconds returns the amount of seconds in n decades.

3.decades_in_seconds #=> 946728000.0

Decagrams in Grams:

decagram_in_grams and decagrams_in_grams returns the amount of grams in n decagrams.

3.decagrams_in_grams #=> 30

Decameters in Meters:

decameter_in_meters and decameters_in_meters returns the amount of meters in n decameters.

3.decameters_in_meters #=> 30

Decigrams in Grams:

decigram_in_grams and decigrams_in_grams returns the amount of grams in n decigrams.

3.decigrams_in_grams #=> 0.3

Decimeters in Meters:

decimeter_in_meters and decimeters_in_meters returns the amount of meters in n decimeters.

3.decimeters_in_meters #=> 0.3

degrees_to_radians:

degrees_to_radians returns number of degrees into radians.

90.degrees_to_radians #=> 1.5707963267948966

Distance:

distance returns the absolute difference between numbers.

5.distance(3) #=> 2
3.distance(5) #=> 2

Divide:

divide returns the division of two numbers.

4.divide(2) #=> 2

Exabytes in Bytes:

exabyte_in_bytes and exabytes_in_bytes returns the amount of bytes in n exabytes.

3.exabytes_in_bytes #=> 3458764513820540928

Feet in Inches:

foot_in_inches and feet_in_inches returns the amount of inches in n feet.

3.feet_in_inches #=> 36

Gigabytes in Bytes:

gigabyte_in_bytes and gigabytes_in_bytes returns the amount of bytes in n gigabytes.

3.gigabytes_in_bytes #=> 3221225472

Grams in Grams:

gram_in_grams and grams_in_grams returns self.

3.grams_in_grams #=> 3

Greater Than:

greater_than? returns true if self is greater than n.

3.greater_than?(2) #=> true
3.greater_than?(3) #=> false
3.greater_than?(4) #=> false

Greater Than or Equal To:

greater_than_or_equal_to? returns true if self is greater than or equal to n.

3.greater_than_or_equal_to?(2) #=> true
3.greater_than_or_equal_to?(3) #=> true
3.greater_than_or_equal_to?(4) #=> false

Hectograms in Grams:

hectogram_in_grams and hectograms_in_grams returns the amount of grams in n hectograms.

3.hectograms_in_grams #=> 300

Hectometers in Meters:

hectometer_in_meters and hectometers_in_meters returns the amount of meters in n hectometers.

3.hectometers_in_meters #=> 300

Hours in Seconds:

hour_in_seconds and hours_in_seconds returns the amount of seconds in n hours.

3.hours_in_seconds #=> 10800

Inches in Inches:

inch_in_inches and inches_in_inches returns the amount of inches in n inches.

3.inches_in_inches #=> 3

Inside:

inside? returns true if n is greater than start and less than finish. Similar to between but does not return true if equal to self.

3.inside?(1, 5) #=> true
3.inside?(3, 5) #=> false

Kilobytes in Bytes:

kilobyte_in_bytes and kilobytes_in_bytes returns the amount of bytes in n kilobytes.

3.kilobytes_in_bytes #=> 3072

Kilograms in Grams:

kilogram_in_grams and kilograms_in_grams returns the amount of grams in n kilograms.

3.kilograms_in_grams #=> 3000

Kilometers in Meters:

kilometer_in_meters and kilometers_in_meters returns the amount of meters in n kilometers.

3.kilometers_in_meters #=> 3000

Less Than:

less_than? returns true if self is less than n.

3.less_than?(2) #=> false
3.less_than?(3) #=> false
3.less_than?(4) #=> true

Less Than or Equal To:

less_than_or_equal_to? returns true if self is less than or equal to n.

3.less_than_or_equal_to?(2) #=> false
3.less_than_or_equal_to?(3) #=> true
3.less_than_or_equal_to?(4) #=> true

Metric Ton in Ounces:

metric_ton_in_ounces and metric_tons_in_ounces returns the amount of grams in n metric_tons.

3.metric_tons_in_ounces #=> 3000000

Megabytes in Bytes:

megabyte_in_bytes and megabytes_in_bytes returns the amount of bytes in n megabytes.

3.megabytes_in_bytes #=> 3145728

Meters in Meters:

meter_in_meters and meters_in_meters returns self.

3.meters_in_meters #=> 3

Miles in Inches:

mile_in_inches and miles_in_inches returns the amount of inches in n miles.

3.miles_in_inches #=> 190080

Millenniums in Seconds:

millennium_in_seconds and millenniums_in_seconds returns the amount of seconds in n millenniums.

3.millenniums_in_seconds #=> 94672800000.0

Milligrams in Grams:

milligram_in_grams and milligrams_in_grams returns the amount of grams in n milligrams.

3.milligrams_in_grams #=> 0.003

Millimeters in Meters:

millimeter_in_meters and millimeters_in_meters returns the amount of meters in n millimeters.

3.millimeters_in_meters #=> 0.003

Minutes in Seconds:

minute_in_seconds and minutes_in_seconds returns the amount of seconds in n minutes.

3.minutes_in_seconds #=> 180

Multiply:

multiply returns the multiplication of two numbers.

4.multiply(2) #=> 8

Multiple Of:

multiple_of? returns true if a number can be evenly divided by n.

9.multiple_of?(3) #=> true
7.multiple_of?(3) #=> false

Nautical Miles in Inches:

nautical_mile_in_inches and nautical_miles_in_inches returns the amount of inches in n nautical miles.

3.nautical_miles_in_inches #=> 218740.26239999998

Negative:

negative? returns true if a number is less than zero.

-1.negative? #=> true
1.negative? #=> false

Ordinal:

ordinal returns the suffix that should be added to a number to denote the position in an ordered sequence such as 1st, 2nd, 3rd, 4th.

"1".ordinal  #=> "th"
"2".ordinal  #=> "nd"
"3".ordinal  #=> "rd"
"11".ordinal #=> "th"

Ordinalize:

ordinalize transforms a number into an ordinal string used to denote the position in an ordered sequence such as 1st, 2nd, 3rd, 4th.

"1".ordinalize  #=> "1th"
"2".ordinalize  #=> "2nd"
"3".ordinalize  #=> "3rd"
"11".ordinalize #=> "4th"

Ounces in Ounces:

ounce_in_ounces and ounces_in_ounces returns self.

3.ounces_in_ounces #=> 48

Outside:

outside? returns true if n is less than start or greater than finish.

3.outside?(4, 5) #=> true
3.outside?(3, 5) #=> false

Pad:

pad returns a string reprensentation of the number padded with pad_num to a specified length.

3.pad                #=> "003"
3.pad(pad_number: 1) #=> "113"
3.pad(precision: 4)  #=> "0003"

Pad Precision:

pad_precision returns a string of padded after the '.' to n amount.

Options

  • pad_number: 0
  • precision: 2
  • separator: "..."
3.pad_precision                #=> "3.00"
3.5.pad_precision              #=> "3.50"
3.pad_precision(pad_number: 1) #=> "3.11"

Petabytes in Bytes:

petabyte_in_bytes and pegabytes_in_bytes returns the amount of bytes in n petabytes.

3.petabytes_in_bytes #=> 3377699720527872

Positive:

positive? returns true if a number is greater than zero.

1.positive? #=> true
-1.positive? #=> false

Pounds in Ounces:

pound_in_ounces and pounds_in_ounces returns the amount of ounces in n pounds.

3.pounds_in_ounces #=> 48

Power:

power returns the nth power of a number.

4.power(2) #=> 16

Root:

root returns the nth root of a number.

4.root(2) #=> 2

Seconds in Seconds:

second_in_seconds and seconds_in_seconds returns self.

3.seconds #=> 3

Stones in Ounces:

stone_in_ounces and stone_in_ounces returns the amount of ounces in n stones.

3.stones_in_ounces #=> 672

Subtract:

subtract returns the difference of two numbers.

4.subtract(2) #=> 2

Terabytes in Bytes:

terabyte_in_bytes and terabytes_in_bytes returns the amount of bytes in n terabytes.

3.terabytes_in_bytes #=> 3298534883328

To Byte:

to_byte_in_bytes converts a byte size from one unit to another unit.

1.to_byte(:byte, :byte)          #=> 1 #B
5120.to_byte(:byte, :kilobyte)   #=> 5 #MB
1.to_byte(:megabyte, :kilobyte)  #=> 1024 #KB
80.to_byte(:megabyte, :gigabyte) #=> 0.078125 #GB

To Currency:

to_currency converts a number to currency string.

Options

  • precision: 2
  • unit: "$"
3.to_currency            #=> "$3.00"
3.1.to_currency          #=> "$3.10"
3.11.to_currency         #=> "$3.11"
3.11111.to_currency      #=> "$3.11"
3.to_currency(unit: "@") #=> "@3.00"

To Length:

to_length converts a length from one unit to another unit.

12.to_length(:inches, :feet)         #=> 12 #IN
3000.to_length(:meters, :kilometers) #=> 3 #KM
1.to_length(:feet, :centimeters)     #=> 30.479999999999997 #CM
1.to_length(:kilometer, :yards)      #=> 1093.6138888888888 #YDS

To Mass:

to_mass converts a mass from one unit to another unit.

16.to_mass(:ounces, :pounds)        #=> 1 #LB
1.to_mass(:centigrams, :milligrams) #=> 10 #MG
3.to_mass(:pound, :kilogram)        #=> 1.360776 #KG
1.to_mass(:kilograms, :pounds)      #=> 2.204625 #LB

To Nearest Value:

to_nearest value return the value in values that is nearest to the number.

5.to_nearest_value([1, 3, 6, 9])           #=> 6
3.5.to_nearest_value([3.0, 3.3, 3.6, 3.9]) #=> 3.6

To Percantage:

to_percentage converts a number to percentage string.

Options

  • precision: 2
  • unit: "%"
3.to_percentage            #=> "3.00%"
3.1.to_percentage          #=> "3.10%"
3.11.to_percentage         #=> "3.11%"
3.11111.to_percentage      #=> "3.11%"
3.to_percentage(unit: "@") #=> "3.00@"

To Temperature:

to_temperature converts a temperature from one unit to another unit.

100.to_temperature(:celsius, :fahrenheit) #=> 212 #F
212.to_temperature(:fahrenheit, :celsius) #=> 100 #C
212.to_temperature(:fahrenheit, :kelvin)  #=> 373.15 #K

To Time:

to_time converts a time unit from one unit to another unit.

120.to_time(:seconds, :mintues) #=> 2 #MIN
3.to_time(:hours, :days)        #=> 3 #DAY
2.to_time(:days, :seconds)      #=> 172800 #SEC
1825.to_time(:days, :years)     #=> 4.996577686516085 #YR

Tons in Ounces:

ton_in_ounces and ton_in_ounces returns the amount of ounces in n tons.

3.tons_in_ounces #=> 96000

Weeks in Seconds:

week_in_seconds and weeks_in_seconds returns the amount of seconds in n weeks.

3.weeks_in_seconds #=> 1814400

Within:

within? determines if another number is approximately equal within a given epsilon

10.006.within?(10, 0.1) #=>  true

Yards in Inches:

yard_in_inches and yards_in_inches returns the amount of inches in n yards.

3.yards_in_inches #=> 108

Years in Seconds:

year_in_seconds and years_in_seconds returns the amount of seconds in n years.

3.years_in_seconds #=> 94672800.0

Object

Array:

array? determines if an object is an array.

[].array?              #=> true
"Awesome Sting".array? #=> false

Blank:

blank? determines if an object is empty or nil.

"".blank?              #=> true
"Awesome Sting".blank? #=> false

Boolean:

boolean? determines if an object is an boolean.

1.boolean?     #=> true
false.boolean? #=> true
"foo".boolean? #=> false

False:

false? determines if an object is false.

false.false? #=> true
true.false?  #=> false

Falsey:

falsey? determines if an object is false, nil, or 0.

false.falsey? #=> true
true.falsey?  #=> false
0.falsey?     #=> true

Float:

float? determines if an object is a float.

1.0.float? #=> true
1.float?   #=> false

Hash:

hash? determines if an object is a hash.

{}.hash? #=> true
[].hash? #=> false

Integer:

integer? determines if an object is a integer.

1.integer?   #=> true
1.0.integer? #=> false

Numeric:

numeric? determines if an object is numeric.

1.numeric?     #=> true
1.0.numeric?   #=> true
"1.0".numeric? #=> false

Numeral:

numeral? determines if an object's string value is numeral.

"-32.50".numeral? #=> true
"$2.55".numeral?  #=> false

Palindrome:

palindrome? determines if an object is equal when reversed.

"racecar".palindrome? #=> true
12321.palindrome?     #=> true
"example".palindrome? #=> false
12345.palindrome?     #=> false

Present:

present? determines if an object is not empty or nil.

"Awesome Sting".present? #=> true
"".present?              #=> false

Range:

range? determines if an object is a range.

(1..2).range? #=> true
1.range?      #=> false

Salvage:

salvage returns a placeholder if object is blank?.

" ".salvage        #=> "---"
nil.salvage("bar") #=> "bar"
123.salvage        #=> 123

String:

string? determines if an object is a string.

"foo".string? #=> true
1.string?     #=> false

Time:

time? determines if an object is a time.

Time.now.time? #=> true
"foo".time?    #=> false

True:

true? determines if an object is true.

true.true?  #=> true
false.true? #=> false

Truthy:

truthy? determines if an object is true or 1.

true.truthy?  #=> true
false.truthy? #=> false
1.truthy?     #=> true

Try:

try and try! invokes the public method whose name goes as first argument just like public_send does, except that if the receiver does not respond to it the call returns nil rather than raising an exception.

"example".try(:upcase)      #=> "EXAMPLE"
"example".try(:fake_method) #=> nil

Range

Combine:

combine returns two concated ranges.

(1..3).combine(7..9) #=> [1, 2, 3, 7, 8, 9]

Include With Range:

include_with_range? determines if a range includes another range.

(1..5).include?(1..5) # => true
(1..5).include?(2..3) # => true
(1..5).include?(2..6) # => false

Overlaps:

overlaps? determines if two ranges overlap each other.

(1..5).overlaps?(4..6) # => true
(1..5).overlaps?(7..9) # => false

Sample:

sample returns a random element from the range.

(1..5).sample # => 4

Shuffle:

shuffle returns a copy of a shuffled range of elements. shuffle! returns a shuffled range of elements.

(1..5).shuffle  # => [2, 5, 1, 4, 3]
(1..5).shuffle! # => [3, 4, 5, 2, 1]

Within:

within? determines if one range is within another.

(1..5).within?(2..4) # => true
(1..5).within?(4..6) # => false

String

Any:

any? determines if a string includes a set of string(s).

"example string".any?("foo")           #=> false
"example string".any?("foo", "string") #=> true

At:

at returns the characters at index position, matching string, or regex.

"example_string".at(0)     #=> "e"
"example_string".at(-2)    #=> "n"
"example_string".at(1..3)  #=> "xam"
"example_string".at("e_s") #=> "e_s"
"example_string".at(/ple/) #=> "ple"
"example_string".at(99)    #=> nil

Camelize:

camelize and camelize! transfroms a string to camelcase.

"example_string".camelize         #=> "ExampleString"
"example_String".camecase         #=> "ExampleString"
"example_string".camelize(:lower) #=> "exampleString"
"example_String".camecase(:lower) #=> "exampleString"

Classify:

classify and classify! creates a class name from a string like Rails does for table names to models.

"example_string".classify      #=> "ExampleString"
"example_string/test".classify #=> "ExampleString::Test"
"example_string.test".classify #=> "Test"

Constantize:

constantize converts a string in an object.

"Example::String".constantize #=> Class Object

Dasherize:

dasherize and dasherize! replaces underscores with dashes in the string.

"example_string".dasherize #=> "example-string"

Deconstantize:

deconstantize and deconstantize! removes the rightmost segment from the constant expression in the string.

"Example::String".deconstantize   # => "Example"
"::Example::String".deconstantize # => "::Example"
"String".deconstantize            # => ""
"::String".deconstantize          # => ""
"".deconstantize                  # => ""

Demodulize:

demodulize and demodulize! removes the module part from the expression in the string.

"Example::String".demodulize #=> "String"
"String".demodulize          #=> "String"

Domain:

domain extracts the domain name from a URL.

"http://www.example.com/fake-page".domain #=> "www.example.com"
"example string".domain                   #=> "example string"

Downcase:

downcase? returns true if all characters are lowercase.

"example".downcase? #=> true
"Example".downcase? #=> false
"EXAMPLE".downcase? #=> false

Ellipsize:

ellipsize truncate a string in the middle.

Options

  • offset: 4
  • separator: "..."
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".ellipsize(30)                   #=> "0123...WXYZ"
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".ellipsize(50)                   #=> "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".ellipsize(30, offset: 2)        #=> "01...YZ"
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".ellipsize(30, separator: "+++") #=> "0123+++WXYZ"

Exclude:

exclude? returns true if the string does not include the other string.

"example_string".exclude?("exa") #=> false
"example_string".exclude?("xxx") #=> true

First:

first returns the first character. If a limit is supplied, returns a substring from the beginning of the string until it reaches the limit value. If the given limit is greater than or equal to the string length, returns a copy of self.

"example".first    #=> "e"
"example".first(0) #=> ""
"example".first(3) #=> "exa"

Format:

format returns an interpolated string that allows for options.

"example %s".format("string")                              #=> "example string"
"test %{one} %{two}".format(one: "example", two: "string") #=> "test example string"
"%d + %d".format([1, 2])                                   #=> "1 + 2"

From:

from returns a substring from the given position to the end of the string. If the position is negative, it is counted from the end of the string.

"example".from(0) #=> "example"
"example".from(3) #=> "mple"

Humanize:

humanize and humanize! transforms a string to a human readable string.

Options

  • capitalize: true
"ExampleString".humanize                     #=> "Example string"
"_example_string_id".humanize                #=> "Example string"
"example_string".humanize(capitalize: false) #=> "example string"

Indent:

indent and indent! indents the lines in the receiver.

"example".indent(2)       #=> "  example"
"example".indent(2, "\t") #=> "\t\texample"

Index all:

index_all returns the index values of matching patterns.

"012324507654301243".index_all(0)                           #=> [0,7,13]
"the apple is the best fruit in the world".index_all("the") #=> [0,13,31]
"asdfasdfasdf".index_all(/sd/)                              #=> [1,5,9]

Labelize:

labelize and labelize! transforms a string to a human readable string.

"example string".labelize     #=> "Example string"
"_example_string_id".labelize #=> "Example string ID"
"ExampleString".labelize      #=> "Example string"

Last:

last returns the last character of the string. If a limit is supplied, returns a substring from the end of the string until it reaches the limit value (counting backwards). If the given limit is greater than or equal to the string length, returns a copy of self.

"example".last     #=> "e"
"example".last(0)  #=> ""
"example".first(3) #=> "ple"

Mixcase:

mixcase? returns true if characters are mixedcase.

"Example".mixedcase? #=> true
"EXAMPLE".mixedcase? #=> false
"example".mixedcase? #=> false

Ordinal:

ordinal returns the suffix that should be added to a number to denote the position in an ordered sequence such as 1st, 2nd, 3rd, 4th.

"1".ordinal  #=> "th"
"2".ordinal  #=> "nd"
"3".ordinal  #=> "rd"
"11".ordinal #=> "th"

Ordinalize:

ordinalize transforms a number into an ordinal string used to denote the position in an ordered sequence such as 1st, 2nd, 3rd, 4th.

"1".ordinalize  #=> "1th"
"2".ordinalize  #=> "2nd"
"3".ordinalize  #=> "3rd"
"11".ordinalize #=> "4th"

Parameterize:

parameterize and parameterize! makes string suitable for a dashed url parameter string.

"example_string".parameterize      #=> "example-string"
"example_string".parameterize("?") #=> "example?string"

Pollute:

pollute and pollute! pollutes the space between every letter in a string, so it will be exempt from any impending string searches.

"test".pollute      #=> "t^--^--^e^--^--^s^--^--^t^--^--^"
"test".pollute("-") #=> "t-e-s-t-"

Pop:

pop returns the last character of a string.

"test".pop #=> "t"

Push:

push concats string to self.

"test".push("er") #=> "tester"

Remove:

remove and remove! removes every instance of a string.

"this thing that thing".remove("thing")        #=> "this  that "
"this thing that thing".remove(1..3)           #=> "t thing that thing"
"this thing that them".remove("thing", "them") #=> "this  that "
"this thing that them".remove("thing", 1..3)   #=> "t  that them"

Remove Tags:

remove_tags and remove_tags! removes HTML tags from a string.

"example".strip_tags                                   #=> "example"
"<a href='http://example.com'>click</a>".strip_tags    #=> "click"
"this is <b>bold</b> and <em>emphatic</em>".strip_tags #=> "this is bold and emphatic"

Sample:

sample and sample! deletes a random value and returns that value.

"this thing that".sample            #=> "thing"
"this thing that".sample(" thing ") #=> "that"

Shift:

shift and shift! removes the first instance of a string.

"this thing that thing".shift                 #=> "t"
"this thing that thing".shift("thing")        #=> "this  that thing"
"this thing that thing".shift("this", "that") #=> " thing  thing"

Shuffle:

shuffle and shuffle! randomizes the characters in a string.

"ruby rules".sample  #=> "e lybrsuur"
"ruby rules".sample! #=> "rblse syru"

Sift:

sift and sift! returns a string matching any character in a pattern.

"qa2ws3ed4rf5tg6yh7uj8ik9ol".sift("0123456789")          #=> "23456789"
"qa2ws3ed4rf5tg6yh7uj8ik9ol".sift(0..9)                  #=> "23456789"
"qa2ws3ed4rf5tg6yh7uj8ik9ol".sift([0,1,2,3,4,5,6,7,8,9]) #=> "23456789"

Slugify:

slugify and slugify! generates a permalink-style string, with odd characters removed.

"example".slugify                  #=> "example"
"example string".slugify           #=> "example-string"
"Example string @@@ test!".slugify #=> "example-string-test"

Sort:

sort and sort! sorts a string.

"adbec".sort #=> "abcde"

Squish:

squish and squish! returns the string, first removing all whitespace on both ends of the string, and then changing remaining consecutive whitespace groups into one space each.

"example    string".squish        #=> "example string"
"example  \n   \t  string".squish #=> "example string"
"   example    string   ".squish  #=> "example string"

Titleize:

titleize and titleize! capitalizes each word in a string.

"example string".titleize     #=> "Example String"
"_example_string_id".titleize #=> "Example String"
"ExampleString".titleize      #=> "Example String"

To:

to returns a substring from the beginning of the string to the given position. If the position is negative, it is counted from the end of the string.

"example".to(0)  #=> "example"
"example".to(3)  #=> "exam"
"example".to(-2) #=> "exampl"

Truncate:

truncate a given text after a given length if text is longer than length.

Options

  • omission: "..."
  • separator: " "
"example string".truncate(3)                          #=> "..."
"example string".truncate(6)                          #=> "exa..."
"example string".truncate(12, separator: " ")         #=> "example..."
"example string".truncate(13, omission: "... (more)") #=> "exa... (more)"
"example string".truncate(15)                         #=> "example string"

Truncate Words:

truncate_words truncates a given text after a given number of words.

Options

  • omission: "..."
  • separator: " "
"example string test".truncate_words(1)                                                                #=> "example..."
'Once<br>upon<br>a<br>time<br>in<br>a<br>world'.truncate_words(5, separator: '<br>')                   #=> "Once<br>upon<br>a<br>time<br>in..."
'And they found that many people were sleeping better.'.truncate_words(5, omission: '... (continued)') #=> "And they found that many... (continued)"

Underscore:

underscore and underscore! transforms a string to snakecase.

"ExampleString".underscore       #=> "example_string"
"exampleString".underscore       #=> "example_string"
"ExampleString::Test".underscore #=> "example_string/test"

Unpollute:

unpollute and unpollute! removes the default or custom pollution character. Can also be used to remove an unwanted character.

"t^--^--^e^--^--^s^--^--^t^--^--^".unpollute #=> "test"
"t-e-s-t-".unpollute                         #=> "test"

Upcase:

upcase? returns true if all characters are uppercase.

"EXAMPLE".upcase? #=> true
"example".upcase? #=> false
"Example".upcase? #=> false

Unshift:

unshift and unshift! prepends string(s) to self.

"this thing that thing".unshift("thing ")         #=> "thing this thing that thing"
"this thing that thing".unshift("this ", "that ") #=> "this that this thing that thing"

Time

Note: also works with Date class.

Count:

count_[DURATION]_[TERM] converts a Date or Time object to format it using a human readable string.

Durations/Terms

  • seconds, minutes, hours, days, weeks, years, decades, centuries, millenniums
  • since, until
Date.today.count_hours_since(Date.yesterday)      #=> "24.0"
Time.now.count_minutes_until(20.minutes.from_now) #=> "20.0"

Format:

format converts a Date or Time object to format it using a human readable string.

Rules

  • Characters: a-z 0-9 _
  • Characters can only be used to generate a format part
Date.today.format("year")                                #=> "2014"
Time.now.format("month_name day, year hour:minute ampm") #=> "January 09, 2014 02:31 pm"
Name Key Equivalent strftime Result
Month - digits zero-padded m or month or month_padded %m (01..12)
Month - digits unpadded mm or Month or month_unpadded %-m (1..12)
Month - digits blank-padded mmm or MONTH or day_blank %_m ( 1..12)
Month - name mmmm or month_name %B January
Month - name abbreviated mmmmm or month_name_abbr %b Jan
Day - digits zero-padded d or day or day_padded %d (01..31)
Day - digits unpadded dd or Day or day_unpadded %-d (1..31)
Day - digits blank-padded ddd or DAY or day_blank %_d ( 1..31)
Day - digits of the year dddd or day_of_the_year %j (001..366)
Week - starting monday wwwww or week %M (00..53)
Week - starting sunday wwwwww or weekday_offset %M (00..53)
Weekday - starting monday w or weekday %M (1..7)
Weekday - starting sunday ww or weekday %M (0..6)
Weekday - name www or weekday_name %M Sunday
Weekday - name abbreviated wwww or weekday_name_abbr %M Sun
Year - digits two yy or yr %y (00..99)
Year - digits four yyyy or year %Y 1999
Hour - digits zero-padded h or hour or hour_padded %H (00..23)
Hour - digits blank-padded hh or HOUR or hour_blank %k ( 0..23)
Hour - digits zero-padded hhh or hour_imperical or hour_imperical_padded %I (01..12)
Hour - digits blank-padded hhhh or HOUR_IMPERICAL or hour_imperical_blank %l ( 1..12)
Minute - minute n or minute %M (00..59)
Second - second s or second %S (00..60)
Meridian - lowercase ampm or meridian %p am..pm
Meridian - uppercase AMPM or MERIDIAN %P AM..PM
Time Zone - time zone z or time_zone %z +0900
Time Zone - hour and minute offset zz or time_zone_offset %z +09:00
Time Zone - hour, minute and second offset zzz or time_zone_offset_full %z +09:00:00

To Format / Stamp:

to_format and stamp converts a Date or Time object to a predefined format.

For a full list check out the time extention file.

Time.now.to_format(:year) #=> "2014"
Time.now.stamp(:datetime) #=> "January 09, 2014 02:31 pm"
Name Key Equivalent strftime Result
Month - digits zero-padded :month or :month_padded %A (01..12)
Month - digits unpadded :month_unpadded %a (1..12)
Month - digits blank-padded :month_blank %a ( 1..12)
Month - name :month_name %A January
Month - name abbreviated :month_name_abbr %a Jan
Month - digits zero-padded :month_year or :month_padded_year %A (01..12) 2015
Month - digits unpadded :month_unpadded_year %a (1..12) 2015
Month - digits blank-padded :month_blank_year %a ( 1..12) 2015
Month - name :month_name_year %A January 2015
Month - name abbreviated :month_name_abbr_year %a Jan 2015
Weekday - digits zero-padded :weekday_padded %A (01..31)
Weekday - digits unpadded :weekday_unpadded %a (1..31)
Weekday - digits blank-padded :weekday_blank %a ( 1..31)
Weekday - name :weekday_name %A Sunday
Weekday - name abbreviated :weekday_name_abbr %a Sun
Year - digits two :yr %y (00..99)
Year - digits four :year %Y 1999
Hour - digits zero-padded :hour or :hour_padded %H (00..23)
Hour - digits blank-padded :hour_blank %k ( 0..23)
Hour - digits zero-padded imperical :hour_imperical_padded %I (01..12)
Hour - digits blank-padded imperical :hour_imperical_blank %l ( 1..12)
Minute - minute :minute %M (00..59)
Second - second :second %S (00..60)
Time Zone - time zone :time_zone %z +0900
Time Zone - hour and minute offset :time_zone_offset %z +09:00
Time Zone - hour, minute and second offset :time_zone_offset_full %z +09:00:00
Date - name :date %B %-d, %Y January 9, 2014
Date - name abbreviated :date_abbr %b %-d, %Y Jan 9, 2014
Date - iso :date_iso %Y-%m-%d 2014-01-09
Datetime - name :datetime %B %-d, %Y %H:%M January 9, 2014 00:31
Datetime - name abbreviated :datetime_abbr %b %-d, %Y %H:%M Jan 9, 2014 00:31
Datetime - iso :datetime_iso %Y-%m-%d %H:%M 2014-01-09 00:31
Datetime - name imperical :datetime_imperical %B %-d, %Y %H:%M January 9, 2014 12:31 am
Datetime - name abbreviated imperical :datetime_imperical_abbr %b %-d, %Y %H:%M Jan 9, 2014 12:31 am
Datetime - iso imperical :datetime_imperical_iso %Y-%m-%d %H:%M 2014-01-09 12:31 am
Datetime - name time zone :datetime_tzn %B %-d, %Y %H:%M %Z January 9, 2014 00:31 UTC
Datetime - name abbreviated time zone :datetime_abbr_tzn %b %-d, %Y %H:%M %Z Jan 9, 2014 00:31 UTC
Datetime - iso time zone :datetime_iso_tzn %Y-%m-%d %H:%M %z 2014-01-09 00:31 +0000
Datetime - name imperical time zone :datetime_imperical_tzn %B %-d, %Y %H:%M %Z January 9, 2014 12:31 am UTC
Datetime - name abbreviated imperical time zone :datetime_imperical_abbr_tzn %b %-d, %Y %H:%M %Z Jan 9, 2014 12:31 am UTC
Datetime - iso imperical time zone :datetime_imperical_iso_tzn %Y-%m-%d %H:%M %z 2014-01-09 12:31 am +0000
Day - name :day %B %-d January 9
Day - name abbreviated :day_abbr %b %-d Jan 9
Day - iso :day_iso %m-%d 01-09
Daytime - name :daytime %B %-d %H:%M January 9 00:31
Daytime - name abbreviated :daytime_abbr %b %-d %H:%M Jan 9 00:31
Daytime - iso :daytime_iso %m-%d %H:%M 01-09 00:31
Daytime - name imperical :daytime_imperical %B %-d %H:%M January 9 12:31 am
Daytime - name abbreviated imperical :daytime_imperical_abbr %b %-d %H:%M Jan 9 12:31 am
Daytime - iso imperical :daytime_imperical_iso %m-%d %H:%M 01-09 12:31 am
Time - zero-padded :time or :time_padded %H:%M 00:31
Time - blank-padded :time_blank %k:%M %z 0:31
Time - zero-padded imperical :time_imperical or :time_imperical_padded %I:%M %P 07:31
Time - blank-padded imperical :time_imperical_blank %l:%M %P 7:31
Time - with time zone :time_tz %H:%M %z 00:31 +0000
Time - with time zone name :time_tzn %H:%M %Z 00:31 UTC

Contributing

Your contribution is welcome.

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request