permissions

问题 I'm trying to create a file in a directory outside the document root of the web server. The folder has permissions 777 but php says Permission Denied: Warning: fopen(/home/site2/public_html/images/x.jpg) [function.fopen]: failed to open stream: Permission denied in /home/site1/public_html/test_sites.php on line 2 Permission problem <?php $f = fopen('/home/site2/public_html/images/x.jpg', 'wb'); if(!$f) die("Permission problem"); fclose($f); echo "OK"; ?> 回答1: The 777 permissions is half the

问题 When I launch my app on iOS 10 , I get the request notification permission twice. The first one briefly appears and disappears immediately without allowing me to do any actions, then I got the second popup with a normal behaviour waiting for "allow" or "deny" from the user. Here is my code that worked well before iOS 10 . In the method didFinishLaunchingWithOptions from the AppDelegate : if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) { #ifdef __IPHONE_8_0

问题 I am trying to figure out how to block a user from signing in to my site unless they are over a certain permission level. I am making my site public and once someone registers they are given the permission level 'bench'. Once I accept the user and change the permission level, then they are able to login. The way I am blocking the 'bench' permission level users is with a redirect to the index page(where they sign in at). However, I want to display some sort of alert that pop's up displaying a

问题 Issue : I wish to programmaticly (with PowerShell) take ownership of a file that I have absolutely no permissions on. Update : I've thoroughly rewritten the question to give steps to reproduce the issue. Here's what I'm doing: ########################################################## # Logon as UserA ########################################################## $file = "C:\temp\file.txt" new-item C:\temp -type dir new-item $file -type file # Remove inheritence $isProtected = $true

问题 How can I give the user a chance to change his permissions in the App, which he has already set to granted/denied? Let's say a user denied a permission. Later he want's to grant this permission. Is it possible? How can I do that? 回答1: In case user has denied the permission you can check for the permission and if he also has checked never show again, in that case you can open your own dialog explaining the need of that permission for your app and from that dialog you can take the user to the

问题 I have a Xamarin Android application I've been trying to create an update for. Right when everything was hooked up and working, and I finally made the release APK, I get a message from Google Play that the uploaded APK now requires two extra permissions. For reading and writing to external storage! I don't need these permissions in my application at all. I tried looking at my project's Android Manifest, and saw no such permissions listed there. Older versions of my application (using older

问题 I have an asp.net application which uses process.start to call an executable (Graphviz). All works well in my development environment, but when I move to production I'm not able to get the process to run. Here's the details. I created this simple sub to show the issue. Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load Dim ProcessInfo As ProcessStartInfo ProcessInfo = New ProcessStartInfo 'ProcessInfo.Domain = "xxxxxxx" ProcessInfo.UserName = "xxxxxx" Dim PwdString As

问题 I have a database which has over 1000 functions. I want to GRANT execution permission to certain users. I can't do it manually, therefore I want to get a list of functions and write a code to generate the GRANT EXECUTE script for all the functions. I tried the following script but this is not giving me the parameters. I am unable to get the parameters with this query. SELECT 'GRANT EXECUTE ON FUNCTION '||nspname||'.'||proname||' TO gis;' FROM pg_catalog.pg_namespace n JOIN pg_catalog.pg_proc

问题 How do I give a user access to specific tables within a MySQL database? 回答1: grant select on table to username 回答2: Find the below example, Modify it according to your needs. GRANT SELECT ON db_base.* TO db_user@'localhost' IDENTIFIED BY 'db_passwd'; 来源： https://stackoverflow.com/questions/4300525/mysql-user-access-table-specific

问题 I'm new to ios. I'm facing a problem about permission. fork() failed (1: Operation not permitted) I want to build an open source library implemented in c for ios. Can "fork()" function be used on ios?? If It could, how can I solve that problem?? 回答1: No. Every iOS application is a separate process. You can create new threads, not a new process. Also see Porting an application with fork() to pthread_create() 回答2: fork() can only be used on jailbroken phones. 来源： https://stackoverflow.com