...to read a cookie's value, you need to parse the string: document.cookie.match(/hello=([^;]+)/)[1] // => "universe" Set a cookie Setting cookies works as simple as this: document.cookie = "yes=please"

...for can be set as part of the string: document.cookie = "yes=please; expires=Sun, 1 May 2016 13:37:00 UTC; path=/" Important: If you do not set a path...

...attached file into config/initializers/ to be able to say in_columns on any Array: >> [1, 2, 3, 4, 5, 6, 7].in_columns(3)

...1, 2, 3, 4, 5, 6, 7].in_columns(2) => [[1, 3, 5, 7], [2, 4, 6]] While in_groups and in_groups_of are provided by Rails this also...

...browser based test runner. Should be easily adaptable to a pure Webpack setup. Step 1: Install Jasmine yarn add jasmine-core Step 2: Add two separate packs

...look at their titles like this: messages[0].find('h2').text => "Hello World" messages[1].find('h2').text => "Hello Universe" So far, so good. Now we want to find titles...

...using a "full" selector to avoid the broken behavior: page.find('.message:nth-of-type(1)', :text => 'Hello World').text => "Hello World" page.find('.message:nth-of-type(2)', :text => 'Hello World...

def hello 'world' end ^ $ git blame foo d47bf443 (Arne Hartherz 2012-12-19 14:44:38 +0100 1) def hello d47bf443 (Arne Hartherz 2012-12-19 14...

d47bf443 (Arne Hartherz 2012-12-19 14:44:38 +0100 3) end Now it's being changed to: def hello if world? 'world' else 'universe' end end

...gitlab-rails console. Remove GitLab Labels from already closed Issues p = Project.find_by_id(1) labels_to_remove = [3, 4, 1, 84, 86] # Scheduled, Active, This Week, One Week, Two...

...Active, This Week, One Week, Two Weeks with the respective label ids 3, 4, 1, 84, 86 which leads to the above code snipped...

...change their title from the prompt, run this function: function tab_title { if [ -z "$1" ] then title=${PWD##*/} # current directory else title=$1 # first param fi

Observed on Rails 2.3 and machinist 1.0.6 Like the title says, when you define the method empty? like in the following example, you may not longer use collection.make.

...has_many :pages def empty? pages.empty? end end Assuming b1 = Book.find(1) b2 = Book.find(2) instead of expected b1.pages.make #=> #<Page id: 1, book_id: 1> b2.pages.make #=> #<Page id: 2, book...

...increase test_types_hash_bucket_size: 64 nginx: configuration file /etc/nginx/nginx.conf test failed Option 1: Use gzip_types *; If you don't care about which MIME type gets the gzip...

...a vertical output. You know this: mysql> SELECT * FROM users; +----+---------+---------------------+-----------------+ | id | name | email | greeting | +----+---------+---------------------+-----------------+ | 1 | Alice | alice@example.com | Hello world! | | 2 | Bob | bob@example.com | Hello universe! | | 3 | Charlie | charlie@example.com | Hi mom...

This is how it looks like vertically: mysql> SELECT * FROM users \G *************************** 1. row *************************** id: 1 name: Alice email: alice@example.com greeting: Hello world! *************************** 2. row *************************** id: 2

...say you want to merge the properties of two JavaScript objects: let a = { foo: 1, bar: 2 } let b = { bar: 3, baz: 4 } let merged = merge(a, b) // => { foo: 1...

...you could then test it like this: get :index persisted_session[:page_views].should == 1 # session[:page_views] is 1, so that would still work get :index persisted_session[:page...

...views].should == 2 # session[:page_views] would be 1, even though it works in the real world

...of objects, uniq does not work as expected, since it uses strict equality. So [[1], [1]].uniq() == [[1], [1]] In some cases, this might be a workaround: [[1], [1]].invoke...

...toJSON").uniq().invoke("evalJSON")

...total is either memoized itself, or using some # private memoized method subject.seat_counts = [5, 1] subject.seat_total.reload.should == 6 # => Still 5 end You might be tempted to manually unmemoize any memoized internal...

...fiddling with internal state. When writing tests, stay on your chosen abstraction level. Solution 1 record.unmemoize_all Solution 2 Perform a full reload by re-finding your record:

...this problem when you update your FreeBSD Ports: ===>>> Launching child to update ruby19-iconv-1.9.3.547,1 to ruby20-iconv-2.0.0.576,1 ===>>> All >> ruby19-iconv-1.9.3.547,1 (17/17) ===>>> Currently installed version...

...ruby19-iconv-1.9.3.547,1 ===>>> Port directory: /usr/ports/converters/ruby-iconv ===>>> This port is marked IGNORE ===>>> Not needed with Ruby 2.0 or newer ===>>> If you are sure you can build it, remove the IGNORE...

...occurs in sliders with HTML content. The issue When a slider contains a composited[1] element, the element will overlap any other element when sliding, being rendered as frontmost element...

...or fully, e.g. by using z-index) B is rendered in its own layer[1] C is moved with a CSS transition the transition moves A and B in from...

...array for e.g. one level, it takes an optional argument. # Flattens the array recursively >> [1, [2, [3]]].flatten => [1, 2, 3] # Flattens the array the given number of times

...bin/spring stop pkill -f spring To prevent Spring from starting again: export DISABLE_SPRING=1

...sed -E 's/:[0-9]+: .*//'`" line_number="`echo $line | sed -E 's/.*:([0-9]+).*/\1/'`" else file="`echo $line | sed -r 's/:[0-9]+: .*//'`" line_number="`echo $line | sed -r...

...s/.*:([0-9]+).*/\1/'`" fi # since $file in working directory isn't always equal to $file in index, # we backup it; thereby we can add our whitespace fixes without accidently...

...some CSS selectors: function floatIn($element) { $element.css({ 'opacity': 0, 'margin-top': 200px }); $element.animate({ 'opacity': 1, 'margin-top': 0 }, { duration: 500 }); } The animation is implemented using setInterval and Javascript. This works...

...as smooth as a CSS transition. Fortunately the animate API can be mapped almost 1:1 to CSS transitions. There are libraries like Transit that act as a drop-in...

...used anywhere inside the Rake tasks. See #Resources at the bottom for examples. Step 1: Upgrade guide For migration from 2 to 3, follow this tutorial: Capistrano 3 Upgrade Guide...

Use the new syntax instead: set :ssh_options, {...

wrong number of arguments (1 for 2) undefined method `tail' for nil:NilClass You need to wrap your task body...

ls -1tr * | tail -1 Used switches The -1 switch makes ls return 1 file per line, -t orders by modification time and -r causes sorting from oldest to...

...you care about performance, never use a query like UPDATE users SET has_message = 1 WHERE users.id IN (SELECT user_id FROM messages) MySQL does not optimize this and seems...

UPDATE users INNER JOIN messages ON messages.user_id = users.id SET has_message = 1 or pipe it through ruby with something like user_ids = ActiveRecord::Base.connection.select_values(Message.select(:user...