januszm

{
  "data": [
    {
      "id": 6,
      "banner_image": null,
      "created_at": "2009-04-08 10:43:22 -0400",
      "description": "Distance from front to back of the wall as seen from above. Also referred to as the height.\n\n![diagram](/images/diagrams/glossary/depth.combi.en.png)",
      "description_de": "Das ist der Abstand von der Vorderseite bis zu der Hinterseite der Wand, von oben gesehen. Also, auch Höhe genannt.\n\n![Diagramm](/images/diagrams/glossary/depth.combi.de.png)",
      "description_es": "La distancia desde la parte delantera hasta la parte trasera del muro, visto desde arriba. También se le refiere como la altura.\n\n![diagram](/images/diagrams/glossary/depth.combi.en.png)\n\n\n",
      "description_fr": "Distance de l'avant vers l'arrière du mur vue de dessus. Également appelée hauteur.\n\n![diagramme](/images/diagrams/glossary/depth.combi.en.png)",

januszm

require "csv"
headers = %w[identifier address other]
model = Model

CSV.open("model_export.csv", "wb") do |csv|
  csv << headers
  model.select(*headers).find_each do |row|
    csv << row.attributes.except("id").values
  end
end

januszm

# Currently (2017/2018) it's not possible to change the Ruby 'minor' version (eg. 2.3 => 2.4) using the web console
# However, it's possible using the 'awscli' tool.

brew install awscli # pip install awscli
AWS_PROFILE=profile_from_credentials_file AWS_REGION=us-east-2 aws elasticbeanstalk update-environment \
  --platform-arn "arn:aws:elasticbeanstalk:us-east-2::platform/Ruby 3.3 running on 64bit Amazon Linux 2023/4.3.0" \
  --environment-name "myappenv1" --region us-east-2 \
  --version-label "app-1234-210000_120123"

# older awscli using --solution-stack-name

januszm

openapi: 3.0.1
info:
  title: Webhooks API
  version: '1.0'
  description: API documentation for handling webhooks.
paths:
  /api/webhooks/rently:
    post:
      summary: Handle Rently webhook events
      description: Receives and processes webhook events from Rently.

januszm

class Array
  def to_csv(csv_filename="hash.csv")
    require 'csv'
    CSV.open(csv_filename, "wb") do |csv|
      csv << first.keys # adds the attributes name on the first line
      self.each do |hash|
        csv << hash.values
      end
    end
  end

januszm

```ruby
record = Model.where("data->'$.somearray[0].email' = ?", email).first
```

januszm

SELECT
  TABLE_NAME AS `Table`,
  ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)`
FROM
  information_schema.TABLES
WHERE
  TABLE_SCHEMA = "mydatabase"
ORDER BY
  (DATA_LENGTH + INDEX_LENGTH)
DESC;

januszm

sudo amazon-linux-extras install postgresql12
pg_dump -Fc -O -h yyy-production.xxx.region.rds.amazonaws.com -p 5432 -U yyy yyy_production -f yyy.dump
# TRUNCATE TABLE tables ... RESTART IDENTITY
# rails db:migrate
pg_restore -Fc -O --disable-triggers --data-only -h yyy-staging.xxx.region.rds.amazonaws.com -d yyy_staging -U yyy yyy.dump
# both commands accept the --table option to specify which table to dump/restore
# select setval('TABLE_NAME_id_seq', (select max(id) from TABLE_NAME)); may be required after RESTART IDENTITY, +1

# In case of version mismatch between the server and pg_dump, add pgdgXX repo and install XX client
[pgdg14]

januszm

DROP extension postgis CASCADE;
/*
drop cascades to column shape of table MYTABLE_points
drop cascades to column shape of table MYTABLE_areas
*/

/* Upgrade PostgreSQL */

CREATE extension postgis;

januszm

SELECT 
    TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, COLUMN_DEFAULT
FROM
    INFORMATION_SCHEMA.COLUMNS
WHERE
    TABLE_NAME='Xxx';