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来源： https://stackoverflow.com/questions/54297514/how-to-fix-the-ssl-connection-could-not-be-established-see-inner-exception-w

来源： https://stackoverflow.com/questions/54297514/how-to-fix-the-ssl-connection-could-not-be-established-see-inner-exception-w

问题 What is the best way of generating (in code) a letter avatar like in Gmail? Here you have an example https://drive.google.com/folderview?id=0B0Fhz5fDg1njSmpUakhhZllEWHM&usp=sharing It should look like that: 回答1: This is what I've used once.. please try and modify according to your requirements. public class LetterAvatar extends ColorDrawable { Paint paint = new Paint(); Rect bounds = new Rect(); String pLetters; private float ONE_DP = 0.0f; private Resources pResources; private int pPadding;

问题 How to detect default avatar on the link like this: https://graph.facebook.com/'.$id.'/picture?type=large ? Is it the only way to get avatars (male/female) from special prepared profiles and then compare by e.g. md5() ? It's hard to believe this is the only way. 回答1: You can use the redirect=false parameter: https://graph.facebook.com/naitik/picture?redirect=false Then facebook's responce is json and contains this data: { "data": { "url": "https://fbcdn-profile-a.akamaihd.net/hprofile-ak-prn1

问题 In my app I want to show the Google+ profile picture for a user. The only function, I found, in the API to get the profile picture needs a userId. However, I only have their email adress and not their Google+ userID. Moreover the person, whose image I want to get, should not be forced to log in and authorize my app, as this person is mostly not identical to the user of the app. So I think I need to get their userId by email. I read through the Google+ API documentation but can't find a way to

问题 AFAIK there is no RFC or other standard to retrieve an avatar (image/icon) from an email address. I think this would be a great feature. One possible solution: Get avatar via DNS user enters his email address. The domain belonging to this email adress DNS gets asked: Avatar for "foo@example.com" DNS replies: Get image from URL. For example: http://example.com/foo.png Questions Is there already a RFC or other standard? Why is there no such standard yet? How to get it come true? I know that

问题 I will say when I first got carrierwave up and running, everything was working totally fine aside from the size scaling of the avatar. So now after I tried to do scaling, everything went to hell. I uninstalled the gem, did a migration to remove avatar from user, then did another migration to add. Still the same error. Note I am doing rails g uploader Avatar, NOT image. I have not touched the avatar_uploader.rb file, aside from adding require 'carrierwave/orm/activerecord' on the top line. So,

问题 I am developing an application in that I want to update my avatar image. I am following XEP-0153 guidelines to update my avatar image and I constructed an NSXMLElement correspond to the following code in XEP-0153 and sent that element through XMPPStream . <iq from='juliet@capulet.com' type='set' id='vc1'> <vCard xmlns='vcard-temp'> <PHOTO> <TYPE>image/jpeg</TYPE> <BINVAL> Base64-encoded-avatar-file-here! </BINVAL> </PHOTO> </vCard> </iq> The server responses the following error: <iq xmlns=

问题 I'm trying to follow this post to associate a profile picture to a user in Django. I have the following model class MyUser(AbstractBaseUser): """ Custom user class. """ GENDER_CHOICES = ( ('M', 'Male'), ('F', 'Female'), ) email = models.EmailField('email address', unique=True, db_index=True) is_staff = models.BooleanField('is staff', default=False) first_name = models.TextField('first name', default=None, null=True) last_name = models.TextField('last name', default=None, null=True) date_of

问题 I have set up my VS 2013 with GitHub and my problem is: when I commit to GitHub, I am not seeing my GitHub avatar. 回答1: As stated in this post , you'll have to tweak the Visual Studio Git settings and tick the "Enable download of author images from 3rd party source" checkbox. If your Git repo remote origin is in a third-party Git service (such GitHub, Bitbucket, or CodePlex), select Enable download of author images from 3rd party source, and then ask team members to set up Gravatar accounts