permissions

问题 I have this model containing an image field. from django.db import models from django.contrib.auth.models import User class Customer(models.Model): user = models.ForeignKey(User) name = models.CharField(max_length=127) logo = models.ImageField(upload_to='customer/logo', null=True, blank=True) def __str__(self): return self.name In my view, I download the image from the specified url and store it in the image field. For testing, I use a test user as foreign key. import json import urllib

问题 I need to ask permission for contacts and when application starts I'm asking,in ViewModel part I need to call method which requires permission. I need to check permission is granted by user or not and then call, but for checking permission I need to have access Activity. while in my ViewModel I don't have a reference to Activity and don't want to have, How I can overcome, the problem? 回答1: I just ran into this problem, and I decided to use make use of LiveData instead. Core concept: ViewModel

问题 I have this problem which is I need to restore the default permission on my git because when I'm executing the flutter doctor I get an error fee@Mac-mini ~ % flutter doctor -v warning: unable to access '.git/config': Permission denied fatal: unable to access '.git/config': Permission denied Failed to find the latest git commit date: VersionCheckError: Command exited with code 128: git -c log.showSignature=false log -n 1 -- pretty=format:%ad --date=iso Standard out: Standard error: warning:

问题 I started porting my Flutter app to macos Desktop . The UI started fine. However, as soon as the app makes a network call, it fails instantly with Connection failed (OS Error: Operation not permitted) . Running a one-liner: final response = await http.get('https://jsonplaceholder.typicode.com/posts/1'); fails with: Unhandled Exception: SocketException: Connection failed (OS Error: Operation not permitted, errno = 1), address = jsonplaceholder.typicode.com, port = 443 #0 IOClient.send (package

问题 I started porting my Flutter app to macos Desktop . The UI started fine. However, as soon as the app makes a network call, it fails instantly with Connection failed (OS Error: Operation not permitted) . Running a one-liner: final response = await http.get('https://jsonplaceholder.typicode.com/posts/1'); fails with: Unhandled Exception: SocketException: Connection failed (OS Error: Operation not permitted, errno = 1), address = jsonplaceholder.typicode.com, port = 443 #0 IOClient.send (package

问题 Mac OSX Lion 10.7. In an effort to get around weird environment stuff (homebrew wasn't installing wget, and I had all sorts of weird blocks and errors), I uninstalled zschrc and homebrew and a bunch of other stuff, then installed fish shell. Now, whenever I try to push/pull to/from github, I get this error: The authenticity of host 'github.com (204.232.175.90)' can't be established. RSA key fingerprint is <string of colon-separated chars that I should probs keep private>. Are you sure you

问题 I'm struggling with some strange issues in Python 2.7. I wrote a very long tool where I import different modules, which I had to install first using pip . The tool is to be shared within the company, where different users have different rights on their specific machines. The problem occurred when another user logged into my machine (I'm having administrator rights there) and tried to use the tool. He was unable to run it, because specific modules could not be imported because of his status as

问题 I'm struggling with some strange issues in Python 2.7. I wrote a very long tool where I import different modules, which I had to install first using pip . The tool is to be shared within the company, where different users have different rights on their specific machines. The problem occurred when another user logged into my machine (I'm having administrator rights there) and tried to use the tool. He was unable to run it, because specific modules could not be imported because of his status as

问题 With Ubuntu, I previously created a mysql database using the following code in the terminal: $ my sql -u root -p Then within mysql: CREATE DATABASE securities_master; I was trying to use file explorer to view the contents related to this database. But because I did not have permissions to open the folder /var/lib/mysql I wanted to change the permissions on this folder. I did some searching on stackoverflow, and without fully understanding what I was doing, I used something like the following

问题 The app I am working on is a SPA and we are using JWT Bearer authentication and OpenIdConnect/OAuth2 when communicating with our backend API which uses .NETCore and ASP.NET Identity. Our API endpoints are secured using Custom Policy based authentication as shown here: Custom Policy Based Authentication We decided to use the out of the box AspNetRoleClaims table to store claims for our users as permissions. Each user is assigned 1 primary role although the potential is there to have multiple