How to use the 'og' (Open Graph) meta tag for Facebook share
2012年7月23日 · Facebook uses what's called the Open Graph Protocol to decide what things to display when you share a link. The OGP looks at your page and tries to decide what content to show. We can lend a hand and actually tell Facebook what to take from our page. The way we do that is with og:meta tags. The tags look something like this -
Facebook oauth authorize URL and parameter options
Facebook provides some documentation on the parameters of oauth login. Login Dialog OAuth 2. Parameters are: client_id = Your App ID. redirect_uri = Your App Website URL. display = page, popup, iframe, async, touch. How to display login. scope = permission names. Permissions your app is asking the user to grant to your app.
How to resolve Facebook Login is currently unavailable for this …
2021年7月28日 · In the facebook developers console for your app, go to App Review-> Permissions and Features. Set the public_profile and email to have advanced access. This will allow all facebook users to have access and these two settings are auto granted. Ensure the Access Level indicates Advanced Access
sql - Facebook database design? - Stack Overflow
2009年6月18日 · It's probably the best explanation of how FB works behind the scenes you can find. The video and article tells you a few things: They're using MySQL at the very bottom of their stack. Above the SQL DB there is the TAO layer which contains at least two levels of caching and is using graphs to describe the connections.
How to embed a facebook page in an iframe? - Stack Overflow
2011年3月18日 · I wouldn't recommend this for anything commercial however as it wouldn't make facebook happy. A better solution would be to use the facebook iframe. You can programatically convert any fb page url into the url fb allows you to insert into an iframe.
Programmatically getting an access token for using the Facebook …
2010年6月17日 · This answer is the best answer, but could be dramatically improved by giving actual working code. In particular, point to the 'installation' docs for the facebook SDK, and then show how to import facebook, construct a client object, and then call get_app_access_token on …
Facebook share link - can you customize the message body text?
2011年2月17日 · Facebook will not allow developers pre-fill messages. Developers may customize the story by providing OG meta tags, but it's up to the user to fill the message. This is only possible if you are posting on the user's behalf, which requires the user authorizing your application with the publish_actions permission .
facebook - Get user profile picture by Id - Stack Overflow
2022年12月17日 · Facebook has new requirements change: an access token will be required for all UID-based queries. So you ...
Decoding facebook's blob video url - Stack Overflow
2020年1月16日 · Open the Chrome Developer Tools (F12). Go to the Networktab in the Developer Tools (it's at the top of the Developer Tools window) Play the video you would like to download on Facebook. Let it play for a few seconds and look at the Network tabduring that. Long strings of numbers will appear every couple of seconds.
Working with Facebook login from localhost - Stack Overflow
2018年10月3日 · Next, when you enable facebook login in Firebase Authentication, firebase will give you a link call OAuth redirect URI, you will have to add this link to the Valid OAuth Redirect URIs field in the setting page of your facebook app (inside tab …