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This method needs to ensure that if a change happens, it is going to be registered.
With this refactor suggested by @matthewd race conditions do not matter because if
no file is watched, nothing is done. And as long as some invocation sets the flag
to true, it will stay true.
The refactor leaves a race condition in which two simultaneous threads that watch
some of the files passed do the actual work in `any?`, whereas the mutex guaranteed
that was done at most once. But this is considered to be a better tradeoff.
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listen is calling us from its own thread, we need to synchronize reads and writes to this flag.
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[ci skip] Update dirty.rb: documentation fix.
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ActiveModel::Dirty module documentation fix.
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Add example for AR::Persistence#toggle
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Add missing example for cookies.encrypted [ci skip]
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Example of setting data attributes for image_tag
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Remove arity check for `RouteSet#draw`
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This code was added for migration from Rails 3.1 to upper,
now we are developing Rails 5.
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add deprecations for a smooth transition after #22215
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Fix test failure in `adapters/mysql/active_schema_test.rb`
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Follow up to #21601.
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This reverts commit 8246b593bff71f2cebf274c133bb8917f1e094c8.
There was concern about this modifying the behavior of past migrations.
We're going to add an way to modify the migration generator instead.
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It's often the case that you want to have an option that you cannot
specify at the database level, but want applied to *all* tables that you
create. For example, you might want to specify `ROW_FORMAT=DYNAMIC` to
not have to limit text columns to length 171 for indexing when using
utf8mb4. This allows an easy way to specify this in your database
configuration.
While this change affects both MySQL and MySQL2, the test only covers
MySQL2, as the legacy mysql adapter appears to always return ASCII
strings, and is tangential to what we're actually doing.
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Change Enumerable#sum to use inject(:sym) specification
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Not only does this make for simpler, more obvious code, it's also more performant:
require 'benchmark/ips'
module Enumerable
def old_sum(identity = 0, &block)
if block_given?
map(&block).old_sum(identity)
else
inject { |sum, element| sum + element } || identity
end
end
def new_sum(identity = 0, &block)
if block_given?
map(&block).new_sum(identity)
else
inject(:+) || identity
end
end
end
summable = (1..100).to_a # sum is 5050
Benchmark.ips do |x|
x.report("old_sum") { summable.old_sum }
x.report("new_sum") { summable.new_sum }
x.compare!
end
# Calculating -------------------------------------
# old_sum 10.674k i/100ms
# new_sum 14.542k i/100ms
# -------------------------------------------------
# old_sum 117.350k (± 7.1%) i/s - 587.070k
# new_sum 154.712k (± 3.8%) i/s - 785.268k
#
# Comparison:
# new_sum: 154712.1 i/s
# old_sum: 117350.0 i/s - 1.32x slower
More benchmarks [here](https://gist.github.com/tjschuck/b3fe4e8c812712376648), including summing strings and passing blocks. The performance gains are less for those, but this version still always wins.
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Change configuration-guide example [ci skip]
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Use an example from a default Rails app (4.2.5) rather than an outdated one in the Configuring Rails Components section.
I picked config.time_zone as it currently is the only 'setting for Rails' left in a default config/application.rb.
I stumbled upon this with investigating autoloading in a legacy app, which still included the example comment "# config.autoload_paths += %W(#{config.root}/extras)". Usually adding app/* directories to autoload_paths isn't necessary, so also finding this example within the current docs was a bit confusing initially.
[ci skip]
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Fix a typo [ci skip]
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Remove newlines from start of logs
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Currently if using a single line logger, this causes the time stamp and
log message to be on separate lines which is not common to how most
other logging works.
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[ci skip]
Since the "Getting Started" guide no longer uses the scaffold generator
we should rewrite references to that in the testing guide.
The functional testing section was quite heavily based on such a
scaffold test. I changed it to use `generate scaffold_controller`
instead so that we can build up on the model foundation we already have.
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[ci skip] Indentation in API app guide
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Fixes #22311
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Rename 'key' to 'lock_id' or 'lock_name' for advisory locking
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- key was a poor choice of name. A key implies something that will
unlock a lock. The concept is actually more like a 'lock identifier'
- mysql documentation calls this a 'lock name'
- postgres documentation calls it a 'lock_id'
- Updated variable names to reflect the preferred terminology for the database in
question
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This reverts commit 16ce41b7f4449d6df15df30d69aef18da6510f36.
Reason: See
https://github.com/rails/rails/commit/16ce41b7f4449d6df15df30d69aef18da6510f36#commitcomment-14475125
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Use latest byebug
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Fixed a few grammar issues.
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[ci skip] fix inconsistent indentation
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[ci skip] Add CHANGELOG for #22300 (817c1825c15013fd0180762ac5c05a2e0…
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In b71e08f we started raising when nil or false was passed to merge to
fix #12264, however we should also do this for truthy values that are
invalid like true.
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timbreitkreutz/twb-9015-schema-dumper-test-for-prefix-and-ignore
Test case for Issue #9015 - ignore_table and table_prefix at same time
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Make `AR::SpawnMethods#merge!` to check an arg is a Proc
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From Ruby ( 2.3.0dev trunk 52520), `Hash#to_proc` is defined
(https://github.com/ruby/ruby/commit/fbe967ec02cb65a7efa3fb8f3d747cf6f620dde1),
and many tests have been failed with
`ArgumentError: wrong number of arguments (given 0, expected 1)`.
Because we call `Hash#to_proc` with no args in `#merge!`.
This commit changes order of conditionals to not call `Hash#to_proc`.
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send normalized keys to the cache backends so they do not need to man…
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