| Commit message (Collapse) | Author | Age | Files | Lines |
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In #11474 we prevented TWZ ranges being iterated over which matched
Ruby's handling of Time ranges and as a consequence `include?` stopped
working with both Time ranges and TWZ ranges. However in
ruby/ruby@b061634 support was added for `include?` to use `cover?` for
'linear' objects. Since we have no way of making Ruby consider TWZ
instances as 'linear' we have to override `Range#include?`.
Fixes #30799.
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bogdanvlviv/method_signature_prev-next-day-month-year_for_time
Mirror the API of Ruby stdlib for #prev_day, #next_day, #prev_month, #next_month, #prev_year, #next_year
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Follow up of #31004.
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Related to #30972
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The documentation wrongly suggests that Time extensions to Numeric include
methods months and years, when these belong to Integer.
Update both classes and guides.
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Performance improvements for acts_like? method
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activesupport/lib/active_support/core_ext/object/acts_like.rb
acts_like?
Add a case statement to use direct symbols instead of string
interpolation for the three scenarios I found in the Rails codebase:
time, date, and string.
For time/date/string, this change prevents two string allocations for
each time the method is called and speeds up the method by ~2.7x. For
other arguments, there is no memory difference and performance
difference is within margin of error.
begin
require "bundler/inline"
rescue LoadError => e
$stderr.puts "Bundler version 1.10 or later is required. Please update
your Bundler"
raise e
end
gemfile(true) do
source "https://rubygems.org"
gem "rails", github: "rails/rails"
gem "arel", github: "rails/arel"
gem "benchmark-ips"
end
def allocate_count
GC.disable
before = ObjectSpace.count_objects
yield
after = ObjectSpace.count_objects
after.each { |k,v| after[k] = v - before[k] }
after[:T_HASH] -= 1 # probe effect - we created the before hash.
GC.enable
result = after.reject { |k,v| v == 0 }
GC.start
result
end
class Object
def fast_acts_like?(duck)
case duck
when :time
respond_to? :acts_like_time?
when :date
respond_to? :acts_like_date?
when :string
respond_to? :acts_like_string?
else
respond_to? :"acts_like_#{duck}?"
end
end
end
puts
puts " acts_like? ".center(80, '=')
puts
obj = ''.freeze
%i(time date string super_hacka).each do |type|
puts " #{type} ".center(80, '=')
puts " Memory Usage ".center(80, "=")
puts
puts "value.acts_like?"
puts allocate_count { 1000.times { obj.acts_like?(type) } }
puts "value.fast_acts_like?"
puts allocate_count { 1000.times { obj.fast_acts_like?(type) } }
puts
puts " Benchmark.ips ".center(80, "=")
puts
Benchmark.ips do |x|
x.report("acts_like?") { obj.acts_like?(type) }
x.report("fast_acts_like?") { obj.fast_acts_like?(type) }
x.compare!
end
end
================================== acts_like? ==================================
===================================== time =====================================
================================= Memory Usage =================================
value.acts_like?
{:FREE=>-1983, :T_STRING=>2052, :T_IMEMO=>1}
value.fast_acts_like?
{:FREE=>-1}
================================ Benchmark.ips =================================
Warming up --------------------------------------
acts_like? 104.281k i/100ms
fast_acts_like? 155.523k i/100ms
Calculating -------------------------------------
acts_like? 1.688M (±10.7%) i/s - 8.342M in 5.003804s
fast_acts_like? 4.596M (±12.1%) i/s - 22.551M in 5.000124s
Comparison:
fast_acts_like?: 4596162.4 i/s
acts_like?: 1688163.8 i/s - 2.72x slower
===================================== date =====================================
================================= Memory Usage =================================
value.acts_like?
{:FREE=>-2001, :T_STRING=>2000}
value.fast_acts_like?
{:FREE=>-1}
================================ Benchmark.ips =================================
Warming up --------------------------------------
acts_like? 85.372k i/100ms
fast_acts_like? 166.097k i/100ms
Calculating -------------------------------------
acts_like? 1.720M (± 8.3%) i/s - 8.537M in 5.001003s
fast_acts_like? 4.695M (±10.1%) i/s - 23.254M in 5.010734s
Comparison:
fast_acts_like?: 4695493.1 i/s
acts_like?: 1719637.9 i/s - 2.73x slower
==================================== string ====================================
================================= Memory Usage =================================
value.acts_like?
{:FREE=>-2001, :T_STRING=>2000}
value.fast_acts_like?
{:FREE=>-1}
================================ Benchmark.ips =================================
Warming up --------------------------------------
acts_like? 100.221k i/100ms
fast_acts_like? 182.841k i/100ms
Calculating -------------------------------------
acts_like? 1.706M (± 7.3%) i/s - 8.519M in 5.022331s
fast_acts_like? 3.968M (±22.8%) i/s - 18.650M in 5.006762s
Comparison:
fast_acts_like?: 3967972.9 i/s
acts_like?: 1705773.7 i/s - 2.33x slower
================================= super_hacka ==================================
================================= Memory Usage =================================
value.acts_like?
{:FREE=>-2004, :T_STRING=>2002, :T_SYMBOL=>1}
value.fast_acts_like?
{:FREE=>-2003, :T_STRING=>2001, :T_SYMBOL=>1}
================================ Benchmark.ips =================================
Warming up --------------------------------------
acts_like? 100.344k i/100ms
fast_acts_like? 101.690k i/100ms
Calculating -------------------------------------
acts_like? 1.617M (± 7.5%) i/s - 8.128M in 5.055285s
fast_acts_like? 1.534M (±10.1%) i/s - 7.627M in 5.031052s
Comparison:
acts_like?: 1617390.7 i/s
fast_acts_like?: 1533897.3 i/s - same-ish: difference falls within error
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This basically reverts 8da30ad6be34339124ba4cb4e36aea260dda12bc
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In order to keep this method compatible with the Ruby 2.5 version of Hash#slice.
This bahavior is actually slightly incompatibile with previous versions of Active Support
but it might not cause a real problem, since HWIA, the biggest use case of Hash subclassing here,
already overrides `slice` to return another HWIA.
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since r60229
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Instructions to use `h` or `html_escape` in ERB templates were added to
`actionpack/lib/action_view/template_handlers/erb.rb` in a1b0349 (Rails
2.1), but ERB has automatically escaped values since Rails 3.
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since r59328
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Don't use remove_method or remove_possible_method just before a new
definition: at best the purpose is unclear, and at worst it creates a
race condition.
Instead, prefer redefine_method when practical, and
silence_redefinition_of_method otherwise.
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add missing newline
call #deep_merge instead of #dup.deep_merge!
make variable and parameter naming more consistent
change `_key` to `key`
faster implementation of Hash#deep_merge
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* Add test for the new exception of delegate_missing_to
* Add a changelog entry
* Only check for nil if NoMethodError was raised
* Make method private
* Have to pass both target name and value
* Inline the re-raise
[Rafael Mendonça França + Anton Khamets]
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* Extend image_tag to accept ActiveStorage's Attachments and Variants
* Flip resolve_image_source around
* Add tests for the new use-cases of image_tag
* Remove the higher-level test
* Update image_tag documentation
* Add error states into the test suite
* Re-raise polymorhic_url's NoMethodError as ArgumentError
* delegate_missing_to will raise DelegationError instead of NoMethodError
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since 4ad1a52, `LoadError::REGEXPS` is no longer needed.
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String#camelize was returning nil without any feedback when an
invalid option was passed as parameter. This update makes the method
to raises an ArgumentError when the option passed is invalid, similar
to what Ruby does for String#downcase (and others) in 2.4.1.
https://ruby-doc.org/core-2.4.1/String.html#method-i-downcase
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Add documentation for class_attribute default option
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Use frozen-string-literal in ActiveSupport
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if using prefix version.
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* Allow a default value to be declared for class_attribute
* Convert to using class_attribute default rather than explicit setter
* Removed instance_accessor option by mistake
* False is a valid default value
* Documentation
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* Fix rdoc code formatting — `tt`, not backticks
* Fix/simplify sentence grammar — should at least just be “and the like”, not “likes”, but this is just general tightening up.
* Add note that delegated methods must be public. Tested here: https://github.com/rails/rails/blob/7ff5ccae94ce2aff76b5f8a31a28e305a047d642/activesupport/test/core_ext/module_test.rb#L359-L365
* Simplify example code for delegate_missing_to. The example had complexity that wasn’t necessary for demonstrating `delegate_missing_to`. This gets rid of a bunch of cruft so the example is more obvious about what’s going on regarding the feature itself.
[ci skip]
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https://github.com/rails/rails/commit/505537082849d912e8e29819655b80a573e93c0c
added a call to `remove_possible_method`, but didn't require the file
that defines it.
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[ci skip]
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If we require 'active_support/core_ext/enumerable' on Ruby 2.4,
we'll see following warning because `Enumerable#sum` and `Array#sum`
are added in Ruby 2.4.
```
rails/rails/activesupport/lib/active_support/core_ext/enumerable.rb:20: warning: method redefined; discarding old sum
```
The minimal way to fix the warning is `alias sum sum`.
```
$ ruby -v
ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]
$ ruby -w -e "def a; end; def a; end"
-e:1: warning: method redefined; discarding old a
-e:1: warning: previous definition of a was here
$ ruby -w -e "def a; end; alias a a; def a; end"
```
But this behavior is not intended. (@amatsuda was told by @ko1)
So we should use `alias` as a meaningful way.
Ruby 2.4's `sum` (`orig_sum`) assumes an `identity` is `0` when we omit `identity`
so we can delegate to `orig_sum` with explicit `identity` only.
In a strict sense, we can detect `identity` by check instance's class
but we don't care at this time about that because calling `Enumerable#sum` is rare.
In many cases, we will call `Array#sum`.
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[ci skip]
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There's a difference in the results between `Date#to_time(:local)` and
`Date#in_time_zone` but it is subtle and can confuse users (like me :-).
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Prevent aliases Array#append and Array#prepend
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https://github.com/ruby/ruby/commit/f57d515d69b7a35477b9ba5d08fe117df1f1e275
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Support `:offset` in `Time#change` and `:zone` or `:offset`
in `ActiveSupport::TimeWithZone#change`.
Fixes #28723.
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