The latest articles on DEV Community by Paul C (@severalpens). https://dev.to/severalpens https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F489807%2F44acf340-7ed8-4785-9f04-411e91da8b16.jpeg https://dev.to/severalpens en Paul C Tue, 22 Dec 2020 06:11:51 +0000 https://dev.to/severalpens/render-com-connection-string-3907 https://dev.to/severalpens/render-com-connection-string-3907 <p>Render.com currently has free tier that allows users to create a Postgresql database. I created one but had a hard time connecting it to my asp.net core 5 application. After trial and error here are the connection strings that worked: </p> <p>LocalPostgreSQL: "Server = 127.0.0.1; Port = 5432; Database = postgres; User Id = postgres; Password = &lt;password&gt;"</p> <p>RenderPostgreSQL: "Host = &lt;location&gt;-postgres.render.com; Database = &lt;database&gt;; Username = &lt;username&gt;; Password = &lt;password&gt;; SSL Mode = Require;"</p> Paul C Fri, 06 Nov 2020 23:35:43 +0000 https://dev.to/severalpens/tokenvortex-web-app-4oea https://dev.to/severalpens/tokenvortex-web-app-4oea <p>Working on an Ethereum contract or curious about blockchain development? TokenVortex is an app that helps you test it out using Ethereum test networks in an easy and fluid way.</p> <ol> <li>Create a random blockchain account.</li> <li>Create a contract and compile it using Remix.ethereum.org and copy into TokenVortex.</li> <li>Create a new transaction sequence</li> <li>Add transaction steps (methods to be run)</li> <li>Run the transaction and view the results</li> </ol> <p>Go to <a href="https://tokenvortex.web.app">TokenVortex</a> to find out more.</p>