zcaceres

'Include' in Sequelize: The One Confusing Query That You Should Memorize

When querying your database in Sequelize, you'll often want data associated with a particular model which isn't in the model's table directly. This data is usually typically associated through join tables (e.g. a 'hasMany' or 'belongsToMany' association), or a foreign key (e.g. a 'hasOne' or 'belongsTo' association).

When you query, you'll receive just the rows you've looked for. With eager loading, you'll also get any associated data. For some reason, I can never remember the proper way to do eager loading when writing my Sequelize queries. I've seen others struggle with the same thing.

Eager loading is confusing because the 'include' that is uses has unfamiliar fields is set in an array rather than just an object.

So let's go through the one query that's worth memorizing to handle your eager loading.

The Basic Query

mkhuda

#
# Sidekiq auto start using systemd unit file for Ubuntu 16.04
#
# Put this in /lib/systemd/system (Ubuntu).
# Run:
#   1. systemctl enable sidekiq (to enable sidekiq service)
#   2. systemctl {start,stop,restart} sidekiq (to start sidekiq service)
#
# This file corresponds to a single Sidekiq process.  Add multiple copies
# to run multiple processes (sidekiq-1, sidekiq-2, etc).

subfuzion

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

Integralist

When deciding between Memcached and Redis, here are a few questions to consider:

• Is object caching your primary goal, for example to offload your database? If so, use Memcached.
• Are you interested in as simple a caching model as possible? If so, use Memcached.
• Are you planning on running large cache nodes, and require multithreaded performance with utilization of multiple cores? If so, use Memcached.
• Do you want the ability to scale your cache horizontally as you grow? If so, use Memcached.
• Does your app need to atomically increment or decrement counters? If so, use either Redis or Memcached.
• Are you looking for more advanced data types, such as lists, hashes, and sets? If so, use Redis.
• Does sorting and ranking datasets in memory help you, such as with leaderboards? If so, use Redis.
• Are publish a

iAdramelk

Английская версия: https://evilmartians.com/chronicles/bootstrap-an-intervention

Вводная часть

У CSS есть несколько базовых проблем, которые позволяют очень быстро отстрелить себе ногу при неправильном использовании:

1. Глобальный неймспейс – в серверном программировании все что написано в файле, в файле и остается. Все же что написано в css и js засирает глобальное пространство имен со всеми вытекающими. В JS эту проблему сейчас побороли всякими модульными системами, а вот с css сложнее. В идеальном мире это должен починить Shadow DOM и настоящие Web Components, но пока их нет единственный способ с этим бороться – следовать какой-то системе именований селекторов, которая по возможности уменьшает и исключает возможные конфликты.

2. Каскадность – если на один элемент может сработать несколько правил, то они все и сработают последовательно. Если есть элемент h1.title, на него сработают все правила для тегов h1 и все правила для класса .title. Так как весь html состоит из тегов, то правил которые п

rilian

includes
relations
constants
delegate
nested_attributes
before callbacks
after_callbacks
validations
custom validations
scopes

kwmiebach

Usage

(Create a symlink pytest for py.test)

pytest [options] [file_or_dir] [file_or_dir] ...

Help:

danawoodman

Flux and Flux-like Options

A non-exhaustive list of flux and flux-like libraries with relevant information and notes.

Library	Stars	Latest Release
Facebook flux
reflux
fluxxor
marty	[](https:/

keithtom

# Copyright (C) [2014] by Keith Tom <keith dot tom at gmail>
# Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE

module Rack
  # disable CSS3 and jQuery animations in test mode for speed, consistency and avoiding timing issues.
  # Usage for Rails:
  # in config/environments/test.rb
  # config.middleware.use Rack::NoAnimations
  class NoAnimations

subzey

Про это

Как вы называете переменную, когда нужно сохранить this в замыкании?

Вопрос не праздный, ведь это дело даже не личного вкуса, а, скорее, договоренности. В коде проекта, над которым я сейчас активно работаю, можно было с равной степенью вероятности встретить that и self. Через два года разработки, впрочем, баланс заметно сместился в сторону that.

Но знаете, что? И self, и that, и даже _this с me — это очень хреновые названия.