Login issue for this web site - forum

one of my friend has login for this forum but he was out of town for long time and did not access this forum for a long time and that is why he forgot his userid which he use to login to this web site. probably he use yahoo or gmail accound to login to this web site but now he could not remind his user id by which he login to this web site. so anyone can tell me how he can know what user id or mail id he used to login to this web site. how to request moderator of this web site to retrieve his login details.....at least his login id.
my friend profile is https://stackoverflow.com/users/750398/keith-costa looking for help. thanks

This is the List of Moderators at Stack Overflow. Only Moderators can see a user's email address. Try sending one of them a message with his user-id (750398), or contacting StackOverflow directly via Contact Us.
That user Keith Costa (750398) hasn't logged in since Jun 20 2012, so I would also recommend he checks all of his email accounts for mail from around that time.
Good luck!

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DocuSign API to find domain users

I have 1700 users who have registered to DocuSign using the company domain. These users are not part of the account. I am looking for an API to get more information on these users such as when they last logged in. I see there is an API available for getting users that are part of the ACCOUNT.
Users: List
GET /v2/accounts/{accountId}/users
As people who directly registered with my company domain email address don't have an account, I am not able to use this API. Let me know if there is any other API to get this information.
There's no API that will give you this information. I'd suggest that you contact DocuSign support (or ask your DocuSign Sales Rep, if you've been working with one) for assistance -- it may be possible for them to provide this type of information for you.

API.AI - How to authenticate user with Gmail account OR Active directory in chat bot

We are developing a chat bot for finance.
So once user going to start chat, bot should prompt for login. Then Once click on login, user should be redirected for login form and able to login with correct credentials, and bot should able to understand that user authentication succeeded or failed.
We are going to use our own custom platform(Agent page) i.e html page to communicate with api.ai.
Please provide info, if any one has done similar stuff or how to accomplish it.
As far as I understand it the recommendation is to pop up a browser window for the authentication (with the correct auth url for the service you want the user to auth against) and then store the access token in the bot's state/db for this conversation.
Have a look at for example https://blogs.msdn.microsoft.com/tsmatsuz/2016/09/06/microsoft-bot-framework-bot-with-authentication-and-signin-login/, should give you some ideas.
Well, since it's a finace chatbot developer, I can try to give out what I know. I would advise that the chatbot should be on a different website. I'm saying this because if a person fails the login form and user credentials,the chatbot can actually teach the person how to do it, what his or her mistakes were, and how to correct them. if people see this and it's easier,they will pay more interest into your website. Or if that doesn't work, the user should be directed to a Facebook page,or an agent page.

Advanced Instagram-Api access for website

I am making my research for an upcoming project:
It is going to be a website you can login via your Instagram account - I need access to the user's name, profile picture and to the people he/she is following.
Is Instagram allowing a website/project to access this information?
Just in case this is a super easy question: I am not a developer and it is very hard for me to work through the Instagram developer website - I highly appreciate any help!!
Thank you very much!
Mathew
You will first need to implement the authentication part, and receive an access_token for the user. In fact you will receive user's id, username, and profile photo along with the access_token.
That was the hardest part. Then you may use the access_token to make some API calls to get information such as follows and followed-by.
You can access Name, profile photo and followers using Instagram APIs.
Here are the 2 APIs you will need:
http://instagram.com/developer/endpoints/users/#get_users
https://api.instagram.com/v1/users/1574083/?access_token=ACCESS-TOKEN
http://instagram.com/developer/endpoints/relationships/#get_users_follows
https://api.instagram.com/v1/users/3/follows?access_token=ACCESS-TOKEN

How stackoverflow accomplish login via Gmail?

I want to know how stackoverflow.com enables login via my Gmail Account.
Is there any arrangment between the two companies? Or its just an api ?
Does Gmail send information to Stack Overflow?
Where can I find the API?
This is called Open ID based authentication this is a very nice presentation which explain Why and How it works
When you go to some site like stackoverflow it gives you option to login via Yahoo or Gmail or any other Open ID provider.
Let's say you choose Yahoo. StackOverflow will then ask Yahoo to authenticate you using your ID + password and give stackoverflow result whether you were successful or not. If you are successful, stackoverflow now know you are authentic user and it will log you in. In this way stackoverflow can avoid storing user ids and password for every member and you can avoid need of creating another ID just for stackoverflow
Its called OpenID, google just implements the protocol.
As you can see via the login page, SO have used G apis with several other vendor API's along with OpenID as TJ mentioned. So upon logging in, the G API redirects back to the SO with the login information stuffs.
Even making use of the same API's, you could have your website do the same.

Bank login dialog in an iframe when you shop online, how does it work?

I was shopping online and at the time of payment, a login dialog from my bank appears in an iframe, I filled my details and the the online shop page let me go on with the purchase.
How does it work? I guess:
The online shop shows you the page with an iframe pointing to your
bank login widget.
You fill the login details and the bank authenticate you.
Now, how the bank now pass information to the online shop site to tell them you can go on?
Because the login is in an iframe, and as far as I know what happen in the iframe cannot affect the container page. So once you are authenticated in your bank, how the bank tell the online shop page "it's good, go on" ?
Cheers.
In a typical checkout situation there is as you can imagine a lot that goes on behind the scenes. But typically in this scenario, one would include with the request to the payment provider (i.e. PayPal, SagePay (formerly Protx), DataCash) a return success URL and return error URL. Typically a handler of some description on the ecommerce site would receive a callback from the payment provider (i.e not the iframe) once you have successfully completed authentication with your bank.
The website could have some webservices or other services running in the background handling the bank response and setting some sort of cookie or session for the site and loading another page.

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