The definitive answer to this is from Facebook themselves. In post today at https://developers.facebook.com/bugs/335452696581712 a Facebook dev says The ability to pass in an e-mail address into the “user” search type was removed on July 10, 2013. This search type only returns results that match a user’s name (including alternate name). So, alas, the simple … Read more
Update: As of 2018 the path to this setting is now Products > Facebook Login > Settings > Client OAuth Settings the rest of this answer is still valid. There is a better way. You just need to add valid callback URL’s for your localhost to Settings > Advanced > OAuth Settings. This method allows … Read more
It’s possible with a lot of work. Basically, you have to post likes action via the Open Graph API. Then, you can add a custom design to your like button. But then, you”ll need to keep track yourself of the likes so a returning user will be able to unlike content he liked previously. Plus, … Read more
Facebook’s latest update includes a new “Account Linking” functionality that appears to solve this issue. See https://developers.facebook.com/docs/messenger-platform/account-linking
Notice: This is an old dated information, the official facebook’s behaviors are changed. Simply, the answer is No, just look at the following official Facebook resource. Notice: To do it without need to the app id, you have to visit the above page when you are signed out from Facebook. Look at the following screen … Read more
You are going to gave to add some custom og:tags to the HTML markup of your page and specify the image that you want to use… Take a look at the example from the Facebook documentation – <html xmlns=”http://www.w3.org/1999/xhtml” xmlns:og=”http://ogp.me/ns#” xmlns:fb=”https://www.facebook.com/2008/fbml”> <head> <title>The Rock (1996)</title> <meta property=”og:title” content=”The Rock”/> <meta property=”og:type” content=”movie”/> <meta property=”og:url” content=”http://www.imdb.com/title/tt0117500/”/> … Read more
The answer appears to be yes… sort of. Since Open Graph is an open protocol of sorts, it’s not meant to be Facebook specific. And it appears that while not all vendors may respect the tags yet, most do. Take Pinterest for example. If you use the “Pin” button provided by AddThis, it will use … Read more
As long as you only want to test… Use the Graph API Explorer to generate a token with the permissions you want. Don’t hesitate to select all of them. Then, just copy/paste the token at the end of each graph.facebook.com URL. For instance: https://graph.facebook.com/v1.0/me/friends?access_token=<ACCESS_TOKEN> The day you want to get the access taken for an … Read more
Updated 2014-07-02 You can’t directly search the Facebook API for events near a location. Since originally giving this answer, the Graph API has made it harder to search for events. The Elmcity script referenced by the OP does a simple search for a keyword in the event title. Try “Lancaster” for example. You’ll get events … Read more
Facebook provides a type option for the picture field, for example, you can specify something like: <img src=”https://graph.facebook.com/xxx/picture?access_token=yyy&type=normal /> where the type parameter can be one of square, small, normal, or large for profile pictures or thumbnail, normal, album for album pictures. Source: http://developers.facebook.com/docs/reference/api/user/ (under Connections section) Edit: Added different options for album pictures