{"action":"created","issue":{"url":"https://api.github.com/repos/jupyter/jupyterlab/issues/664","repository_url":"https://api.github.com/repos/jupyter/jupyterlab","labels_url":"https://api.github.com/repos/jupyter/jupyterlab/issues/664/labels{/name}","comments_url":"https://api.github.com/repos/jupyter/jupyterlab/issues/664/comments","events_url":"https://api.github.com/repos/jupyter/jupyterlab/issues/664/events","html_url":"https://github.com/jupyter/jupyterlab/issues/664","id":171064877,"number":664,"title":"Cell model source changed by each keystroke in editor","user":{"login":"albanatita","id":13804675,"avatar_url":"https://avatars.githubusercontent.com/u/13804675?v=3","gravatar_id":"","url":"https://api.github.com/users/albanatita","html_url":"https://github.com/albanatita","followers_url":"https://api.github.com/users/albanatita/followers","following_url":"https://api.github.com/users/albanatita/following{/other_user}","gists_url":"https://api.github.com/users/albanatita/gists{/gist_id}","starred_url":"https://api.github.com/users/albanatita/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/albanatita/subscriptions","organizations_url":"https://api.github.com/users/albanatita/orgs","repos_url":"https://api.github.com/users/albanatita/repos","events_url":"https://api.github.com/users/albanatita/events{/privacy}","received_events_url":"https://api.github.com/users/albanatita/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/jupyter/jupyterlab/labels/cat:Notebook","name":"cat:Notebook","color":"d4c5f9"},{"url":"https://api.github.com/repos/jupyter/jupyterlab/labels/status:Needs%20Discussion","name":"status:Needs Discussion","color":"f9d0c4"},{"url":"https://api.github.com/repos/jupyter/jupyterlab/labels/type:Enhancement","name":"type:Enhancement","color":"84b6eb"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":19,"created_at":"2016-08-14T15:50:51Z","updated_at":"2016-08-16T14:43:19Z","closed_at":null,"body":"Hi, \r\nJupyterLab is a very promising framework and I have started to play with it to understand how it works.\r\nI have a question about the cell model: the source is changed by the editor each time that the editor document is changed, i.e., for each keystroke. I would have assumed that the cell model would be changed only when the user press <shift+enter> and that the cell is evaluated. Is there then a signal from the cell model that indicates when the model is not anymore being edited?\r\nThank you in advance and again great job!"},"comment":{"url":"https://api.github.com/repos/jupyter/jupyterlab/issues/comments/240123713","html_url":"https://github.com/jupyter/jupyterlab/issues/664#issuecomment-240123713","issue_url":"https://api.github.com/repos/jupyter/jupyterlab/issues/664","id":240123713,"user":{"login":"jasongrout","id":192614,"avatar_url":"https://avatars.githubusercontent.com/u/192614?v=3","gravatar_id":"","url":"https://api.github.com/users/jasongrout","html_url":"https://github.com/jasongrout","followers_url":"https://api.github.com/users/jasongrout/followers","following_url":"https://api.github.com/users/jasongrout/following{/other_user}","gists_url":"https://api.github.com/users/jasongrout/gists{/gist_id}","starred_url":"https://api.github.com/users/jasongrout/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jasongrout/subscriptions","organizations_url":"https://api.github.com/users/jasongrout/orgs","repos_url":"https://api.github.com/users/jasongrout/repos","events_url":"https://api.github.com/users/jasongrout/events{/privacy}","received_events_url":"https://api.github.com/users/jasongrout/received_events","type":"User","site_admin":false},"created_at":"2016-08-16T14:43:19Z","updated_at":"2016-08-16T14:43:19Z","body":"> My concern is that signals should be emitted by the object itself where possible.\r\n\r\nAgreed. That's why I was puzzled how to do it, but still maintain a separation of execution and model..."}}
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