René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"chapter5. Router :: how to refresh the same page?","articleBody":"Hi, long time again to visit for searching a help.\r\n\r\nIn an example of chapter 5/routing, the 1st click to any repository is working well.\r\n\r\nBut, when I refresh the repository, I have a problem with a single message \r\n\"Cannot GET /repo/pro-react.github.io\" on browser as below attached images.\r\n\r\n## **before refresh \u003e**\r\n![q_router_before_refresh](https://cloud.githubusercontent.com/assets/9345140/22100290/51942a7a-de72-11e6-9d1c-4887356ffa4c.jpg)\r\n\r\n## **after refresh \u003e**\r\n![q_router_after_refresh](https://cloud.githubusercontent.com/assets/9345140/22100289/518f9c6c-de72-11e6-86b8-651ea764e34a.jpg)\r\n\r\n\r\nI compared my source with your example source but found no difference.\r\n(my practised source of App.js is here : https://github.com/tudoistube/zbook_proreact/blob/by_203p/app/App.js)\r\n\r\nWould you tell me what to fix for refreshing?\r\n\r\nThanks for your reading.","author":{"url":"https://github.com/tudoistube","@type":"Person","name":"tudoistube"},"datePublished":"2017-01-19T09:10:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/18/sample-code/issues/18"}