social-networking

HybridAuth Facebook returned an invalid user id

回眸只為那壹抹淺笑 提交于 2019-12-18 08:55:34
问题 I am getting the following error: Authentication failed. The user has canceled the authentication or the provider refused the connection. Original error message: Authentication failed! Facebook returned an invalid user id. tried a lot of things like to add in the base_facebook.php CURLOPT_SSL_VERIFYPEER => false aswell as to improve the curl timeout, but it wont works. The app isnt in facebook sandbox mode anymore so I literally have no guess left. 回答1: I just solved that problem by setting

How do I do reflexive self-join relationships in ActiveRecord?

萝らか妹 提交于 2019-12-18 04:25:08
问题 I'm trying to implement a social networking style friendship model and I didnt have much much luck trying to figure out the plugins available out there. I think I'll learn Rails better if I do it myself. So here's what I have : class User < ActiveRecord::Base has_many :invitee_friendships , :foreign_key => :friend_id, :class_name => 'Friendship' has_many :inviter_friends, :through => :invitee_friendships has_many :inviter_friendships , :foreign_key => :user_id, :class_name => 'Friendship' has

Is there an elegant way to store a dual relationship (i.e. user 1 and user 2 are friends)

谁都会走 提交于 2019-12-18 03:44:12
问题 I've run into the same problem in two different pieces of work this month: Version 1: User 1 & User 2 are friends Version 2: Axis 1 & Axis 2 when graphed should have the quadrants colored... The problem is, I don't see an elegant way, using a RDBMS, to store and query this information. There are two obvious approaches: Approach 1: store the information twice (i.e. two db rows rows per relationship): u1, u2, true u2, u1, true u..n, u..i, true u..i, u..n, true have rules to always look for the

How to clear Linkedin Share cache?

生来就可爱ヽ(ⅴ<●) 提交于 2019-12-18 01:57:25
问题 I have a new description in the page but when I share the page it is still using the old description that no longer exists, I am after something similar like the Facebook Lint. Any ideas? 回答1: You can append dummy query string value to your url and make it look like a new url and LinkedIn fetches it again. I've tried it and it works. For example: https://www.codeproof.com/ ?refid=LinkedIn where refid=LinkedIn is just a dummy value. If your url already contains query string and then just

How do social networking websites compute friend updates?

。_饼干妹妹 提交于 2019-12-17 22:03:20
问题 Social networking website probably maintain tables for users, friends and events... How do they use these tables to compute friends events in an efficient and scalable manner? 回答1: Many of the social networking sites like Twitter don't use an RDBMS at all but a Message Queue application. A lot of them start out with a already present application like RabbitMQ. Some of them get big enough they have to heavily customize or build their own. Twitter is in the process of doing this for the second

How to implement the activity stream in a social network

最后都变了- 提交于 2019-12-17 01:19:12
问题 I'm developing my own social network, and I haven't found on the web examples of implementation the stream of users' actions... For example, how to filter actions for each users? How to store the action events? Which data model and object model can I use for the actions stream and for the actions itselves? 回答1: Summary : For about 1 million active users and 150 million stored activities, I keep it simple: Use a relational database for storage of unique activities (1 record per activity /

Integrating twitter sdk with android app in android studio?

痴心易碎 提交于 2019-12-16 18:02:18
问题 I want to share posts on twitter from my android application, For this i need to integrate the twitter sdk with my android application in android studio. The examples that i am getting is for integrating twitter in eclipse. Can any bodyhelp as how to integrate twitter sdk in android studio? 回答1: There's a plugin for android studio to integrate twitter that is Fabric. Step 1- Go to dev.twitter.com Step 2- Download FabricAndroidStudioPlugin. Step 3- After downloading, follow this link to add

Facebook BlackBerry SDK

徘徊边缘 提交于 2019-12-13 22:16:28
问题 I want to implement facebook login and sharing in my blackberry app. Can you help me with a sample code of how to use it as I read the readme file it wasn't useful at all. 回答1: A quick google with your title would have got you this: http://sourceforge.net/projects/facebook-bb-sdk/ 回答2: Download jar from here and add it to your project http://sourceforge.net/projects/facebook-bb-sdk/ and write this code in to your project screen ApplicationSettings sett = new ApplicationSettings("http://www

neo4j - user suggestion with mutual count

纵然是瞬间 提交于 2019-12-13 08:14:56
问题 I have created 5 nodes in neo4j as follows. Node 1 {userid:1000, username: A, someOtherProperties...} Node 2 {userid:2000, username: B, someOtherProperties...} Node 3 {userid:3000, username: c, someOtherProperties...} Node 4 {userid:4000, username: D, someOtherProperties...} Node 5 {userid:5000, username: E, someOtherProperties...} Node 1 connected with Node 2 & 3, and Node 2 connected with node 1, 3, 4 1 -> 2 1 -> 3 2 -> 1 2 -> 3 2 -> 4 3 -> 4 Now I want user suggestion for node 1 which

From edge or arc list to clusters in Stata

眉间皱痕 提交于 2019-12-13 03:41:13
问题 I have a Stata dataset that represents connections between users that looks like this: src_user linked_user 1 2 2 3 3 5 1 4 6 7 I would like to get something like this: user cluster 1 1 2 1 3 1 4 1 5 1 6 2 7 2 where isid user evaluates to TRUE and I have grouped all users into disjoint clusters. I have tried thinking of this as a reshape problem, but without much success. None of the user-written SNA commands seem to accomplish this as far as I can tell. What is the most efficient way of