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Jan 8, 2023 · 2 min read · My colleague recently encountered a Drupal error as follow: Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[42000]: Syntax error or access violation: 1140 In aggregated query without GROUP BY, expression #3 of SELECT list contains nonaggrega...
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Dec 25, 2022 · 2 min read · Here's a way to perform backups for a LAMP stack and monitor EC2 server. AWS setup We first create a bucket on AWS S3 named backups.customer.com and an SNS topic named CustomerEc2WebServerDiskSpaceAlert. There's no need for bucket policy on the S3. O...
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Dec 11, 2022 · 2 min read · CloudFlare has a Workers service similar to AWS CloudFront Functions. It allows requests to be intercepted and processed. One of the possible use case is as your own GeoIP service without signing up for a third-party GeoIP provider. To do so, go to W...
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Nov 27, 2022 · 3 min read · I was asked to investigate a very slow RoR application and determined that it was due to the way the ActiveRecord was written. These were the 2 models causing the problems: # app/models/event.rb class Event < ApplicationRecord scope :final, -> { wh...
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Nov 13, 2022 · 1 min read · I was asked to help create AWS Lambda layers because a customer wasn't sure how the folder structure works. For example, this is a helper file named helpers.js. 'use strict'; const log = async (func, msg) => { console.log(func, msg); }; const is_...
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