Development Logs

By: Calvin Chieng

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Security SSL Nginx DH Param Letsencrypt Crawler Blacklist AWS S3 Ruby SDK Android Icons Design Gradle Unicode Obfuscation Rails API Signature P12 Convert PEM Cert OpenSSL Encryption Public Key NodeJs NPM PM2 Setup Bootstrap 3 Print reCaptcha Optimization Hint Performance Database Migration Delayed Job HTTP2 iOS AFNetworking TLS Deployment Email SEO Facebook Meta Open graph Sitemap DNS Logging Passenger Config CloudFront Sendy Microdata Maintenance Ubuntu RabbitMQ Sidekiq Cookies HSTS Cron job Crontab SMTP RSpec Mailer Test Exception Bugsnag Bundle Gem Java Framework Spark PHP7 Laravel Httparty Retrofit ActionMailer Telegram Chatbot Controller Jar Upstart Systemd Rubocop Coding standard Git Gitignore Secret Capistrano Version Date Time Google Oauth2 Omniauth Cache Redis Upgrade Javascript Yarn Authentication rbenv Active Storage JSON Form YAML Jackson Pannellum Panorama Image 360 Linux Storage PHP Pipelines MySQL USB MacOS Homebrew PHPStorm Postman Bitbucket Dependency Library FCM SSH Maven MavenCentral jcenter Jitpack Nokogiri Password Fido

Password security

Article Password Security Fido

Posted by Calvin Chieng on October 11, 2022, 12:31

Website security checks

Security headers, TLS/SSL

Snippet Security

Posted by Calvin Chieng on September 12, 2022, 16:06

Ubuntu directory permission for laravel app deployment

Config PHP Laravel Ubuntu

Posted by Calvin Chieng on September 5, 2022, 14:39

nokogiri fails to build with libxml2 error

Snippet Nokogiri Ruby Gem

Posted by Calvin Chieng on August 26, 2022, 18:11

Library not loaded: 'libssl.1.1.dylib' for older mysql2 gem

Snippet MySQL Ruby Gem

Posted by Calvin Chieng on August 13, 2022, 01:00

Could not find 'ed25519' error when running Capistrano deploy

Snippet Capistrano Ruby Gem

Posted by Calvin Chieng on August 13, 2022, 00:57

Add platform to ruby application

Snippet Ruby Gem

Posted by Calvin Chieng on December 9, 2021, 14:03

Check server TLS protocol support

Snippet OpenSSL Security

Posted by Calvin Chieng on November 23, 2021, 13:52

Check connection to rubygems service

Snippet Ruby Gem

Posted by Calvin Chieng on November 23, 2021, 13:37

Migrate from the obsoleted jcenter

Guide Android Maven MavenCentral jcenter Jitpack

Posted by Calvin Chieng on July 12, 2021, 23:13

Add key authentication and disable password in Ubuntu

Config Ubuntu SSH

Posted by Calvin Chieng on June 18, 2021, 23:22

Install ffi gem on MacOS Big Sur

An error occurred while installing ffi

Error Ruby Bundle Gem

Posted by Calvin Chieng on May 1, 2021, 21:54

Make sure public facing URL has nil prove query string

Facebook and some browser auto convert empty query string to nil

Error Facebook

Posted by Calvin Chieng on November 7, 2020, 15:44

Firebase Cloud Messaging invalid argument error when sending to more than 1000 devices

via Ruby FCM gem

Error FCM Google API Ruby

Posted by Calvin Chieng on November 7, 2020, 15:32

Change php.ini and reload in MacOS

Via Homebrew

Snippet PHP MacOS Homebrew

Posted by Calvin Chieng on May 26, 2020, 22:09