ActiveRecord provides the ids method to pluck ids from a scope, but what if you need to pluck Global IDs? While you could just call map(&:to_global_id) on...
...your scope, this approach would instantiate each record just to do that. When you have many records, this will at the very least be slow. Here is a method that...
Our CI setup frequently sees this error while running yarn install: yarn install v1.22.19 [1/4] Resolving packages... [2/4] Fetching packages... error An unexpected error occurred: "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz: unexpected end...
...here are some workarounds for Yarn 1. Increase Yarn's network timeout yarn config set network-timeout 600000 -g Retry yarn install until it succeeds The following will retry yarn...
Git allows you to set push options when pushing a branch to the remote. You can use this to build an alias that automatically pushes a branch and creates a...
...merge request for it. Put this in your ~/.gitconfig in the [alias] section: mr = push origin HEAD -o merge_request.create -o merge_request.draft Now you can do git mr and a draft...
...IDENTIFIED BY 'some_password'; GRANT REPLICATION SLAVE ON *.* TO 'replicator'@'%'; Adjust MySQL configuration : Edit /etc/mysql/my.cnf: server-id = 1 log_bin = /var/log/mysql/mysql-bin.log replicate-do-db = some_project_production replicate-do-db...
...other_project_production replicate-ignore-db = mysql server-id needs to be unique among all connected master and slave servers. When replicate-do-db is provided only the chosen databases...
# the value from the form field's ngModel (which means it's not sent to the # server, and old values would not be overwritten). # # This directive makes sure that...
...form fields with an invalid value return an # empty string instead of undefined. for elementType in ['input', 'textarea', 'select'] @app.directive elementType, -> priority: 1 restrict: 'E' require: '?ngModel' link: (scope, element...
Let's say you have two factories that share some attributes and traits: FactoryBot.define do factory :user do screen_name 'john' email 'foo@bar.de' trait :with_profile do age 18 description...
age 18 description 'lorem ipsum' end end end You can re-use the shared fields by defining a trait outside the other factory definitions: FactoryBot.define do trait :person do...
...unwrap(). Here is how. Consider the following example element. $container = $(' Hello World ') Let's say we want to discard any tags, but keep their contents. Simply find them, then dive...
These are the results of the "personal tech stack survey". I've included only the most popular mentions, maybe it can help you find one or two useful tools for...
...Command line UI for git. htop (10 users) An improved "top". fzf (8 users) Provides super-fast fuzzy-finding in various contexts (for example for shell command history).
When using state_machine you sometimes need to know whether an object may execute a certain transition. Let's take an arbitrary object such as a blog article as an...
...example that has those states: A -> B -> C -> D Additionally, you have transitions between the states as shown above. Let's call the transition between 'A' and 'B' transition_ab...
...you, like a browser would (e.g. move block elements out of parents which are specified to not allow them). >> Nokogiri::HTML.fragment(" foo bar ").to_s => " foo bar "
...HTML. And you don't want to be the one to blame when the SEO folks complain about an empty . To avoid said behavior, use Nokogiri::XML instead of Nokogiri...
Note: Making a reverse proxy with nginx is much more straightforward. A reverse proxy is a "man in the middle" server that tunnels requests to another server. You can use...
...makes sure that it can fetch from HTTPS internally. You've basically built your custom SSL-stripping MITM attack server. If your proxy server should be accessible over HTTPS, use...
This is an extract from the linked article. It shows an approach on how to implement encrypted passwords with the AWS Key Management Service (KMS). For most applications it's...
...enough to use a hashed password with a salt (e.g. the gem devise defaults to this). Upon password creation Generate hash as hash of password + salt. Encrypt the hash with...
...A minimum total number of forms (both blank and pre-filled) so the user sees more than just 2 blank Actor forms when she is entering Actors for the first...
...the number of total rows. By default there is no limit. You can also set defaults for built records by adding additional keys to the options hash: form.build_nested_records...
...you pin all "important" files, you can follow method definitions, wildly open files from search results and have a ton of open tabs -- without the problem of finding the stuff...
...tabs of files that are currently in the focus of your work (important models, specs, etc): Right-click a tab and select "Pin tab" Or use a shortcut (see below...
A print stylesheet is easy to create. Choose a font suited for paper, hide some elements, done. Unfortunately print stylesheets often break as the application is developed further, because they...
...are quickly forgotten and nobody bothers to check if their change breaks the print stylesheet. This card describes how to write a simple Cucumber feature that tests some aspects of...
With ES2021 you now can use str.replaceAll(), Promise.any(), logical assignment operators, numeric separators and WeakRef on all major browsers except IE11. replaceAll JavaScript's replace(searchValue, replaceValueOrFn) by...
...default replaces only the first match of a given String or RegExp. When supplying a RegExp as the searchValue argument, you can specify the g ("global") modifier, but you have...
This is how you regain disk space from OpenStack instances if you are using kvm and qcow. If your instance used up all configured disk space once the disk file...
...remains big. You can end up in a situation where for example the instance use only 20GB disk space but the disk file on the server has 100GB (or even...
...of control”. A function that accepts a callback instead of a return value is saying, “Don’t call me, I’ll call you.”. Promises un-invert the inversion, cleanly separating...
...the input arguments from control flow arguments. This simplifies the use and creation of APIs, particularly variadic, REST and spread arguments. Note that promises are not a drop-in replacement...
Haml 3.1.2 displays single quotes in FormBuilder#text_ field html escaped. You may see something like that: David's Chapter Looking at the page's HTML, your field's...
...so I hope it will be fixed with a future release. The following test succeeds: context 'factories' do let(:test_case) { FactoryBot.create(:test_case) } it 'are valid' do expect(test...
...byebug) FactoryBot.create(:test_case) *** NameError Exception: uninitialized constant # ::TargetLimitation Did you mean? TargetsTestScenario It seems like Byebug does not work well with zeitwerk. There is already a patch in Ruby...
We have released Modularity 2. It has many incompatible changes. See below for a script to migrate your applications automatically. There is no does method anymore We now use traits...
The script will rename your files and change your code. It will also syntax-check your files after conversion (since the script is not perfect). Check the diff...
...On purpose? Right... In Gnome Make it an additional ESC key by going to System -> Preference -> Keyboard -> Layouts -> Options -> CapsLock key behavior and select "Make CapsLock an additional ESC".
...to using dconf. dconf write /org/gnome/desktop/input-sources/xkb-options "['caps:escape']" Or, open Tweak advanced GNOME 3 settings and follow Keyboard & Mouse -> Additional Layout Options to chose the same option as described above...
Capistrano 2 brings the shell command which allows you to run commands on your deployment targets. There is also invoke to run a command directly from your terminal.
...allow running Capistrano tasks or shell commands, and scope to individual machines or machine roles. Unfortunately Capistrano 3 does not include these commands any more. cap shell Basics
The robots.txt file and HTML tag can be used to control the behavior of search engine crawlers. Both have different effects. robots.txt Marking a URL path as "disallowed" in robots.txt...
...crawlers to not access that path. robots.txt is not a guarantee for exclusion from search engine results. A "disallowed" URL might be known from an external link, and can still...