![error while trying to create a new app with postgresql (rails new myapp -d postgresql) - Stack Overflow error while trying to create a new app with postgresql (rails new myapp -d postgresql) - Stack Overflow](https://i.stack.imgur.com/ZBfg0.png)
error while trying to create a new app with postgresql (rails new myapp -d postgresql) - Stack Overflow
![Solving issues “Could not find gem 'pg (~> 0.18)' when creating PostgreSQL db in MacOSX High Sierra | by Hidayat Abisena | Medium Solving issues “Could not find gem 'pg (~> 0.18)' when creating PostgreSQL db in MacOSX High Sierra | by Hidayat Abisena | Medium](https://miro.medium.com/max/1200/1*UqCogN5IEBSY09ZVshglGg.png)
Solving issues “Could not find gem 'pg (~> 0.18)' when creating PostgreSQL db in MacOSX High Sierra | by Hidayat Abisena | Medium
![Windows10 で Ruby3 + pg gem を利用して postgreSQL にアクセスするとエラー `AddDllDirectory failed for x64-mingw32` になる - Qiita Windows10 で Ruby3 + pg gem を利用して postgreSQL にアクセスするとエラー `AddDllDirectory failed for x64-mingw32` になる - Qiita](https://qiita-user-contents.imgix.net/https%3A%2F%2Fcdn.qiita.com%2Fassets%2Fpublic%2Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png?ixlib=rb-4.0.0&w=1200&mark64=aHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-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&mark-x=142&mark-y=112&blend64=aHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwaW5hdHN1aGlrbyZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NzNhNTNjN2YwOGQyZTZjMGEwYTNlYWMwZDJmMGQ0YTQ&blend-x=142&blend-y=491&blend-mode=normal&s=42bed743dcc858dd2611dd0ab192447f)
Windows10 で Ruby3 + pg gem を利用して postgreSQL にアクセスするとエラー `AddDllDirectory failed for x64-mingw32` になる - Qiita
![rails-pg-extras gem: PostgreSQL performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more. : r/ruby rails-pg-extras gem: PostgreSQL performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more. : r/ruby](https://external-preview.redd.it/OvhS8e7luIanXZg7dsmsNKNuNJ827GpKXMNPUuDSXVQ.jpg?width=640&crop=smart&auto=webp&s=424af550f9e4cfd6cd48730130a531ab7f0152dd)