Most voted "login" questions
Login is an English term used in the field of computer science, a neologism that means having access to an email account, computer, mobile phone or other service provided by a computer system. This word is formed by the join of log and in.
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16
votes4
answers14217
viewsHow to create/maintain "global variable" in java? To log in
I’m making a desktop application in Java. This application has a login screen (Jlogin) and one with the main application (Jprincipal) and I have a Login class with methods for database query and…
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15
votes2
answers2622
viewsWhat to save in a login session?
I am developing a login system in PHP and Mysql for an administration panel, and I have seen many "secure" login systems where they store in the session the user login or password, that is when they…
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7
votes1
answer3807
viewsBlock direct access to a page
Good afternoon, I’m developing a PHP site in which there is a login screen, which redirects to the admin screen, but if I try to access this admin screen through the url, it usually opens. I would…
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7
votes1
answer803
viewsHow can a WEB application that uses Oauth for authentication manage the user session?
Usually sessions are used to keep data of a particular user after they have logged into the WEB application, and it is the WEB application that is responsible for controlling and managing that data…
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6
votes1
answer4629
viewsOption "keep connected" / "remember me" on login screens
I am implementing a login screen and my client asked to add a checkbox "Keep logged in" below the login credentials. Okay, adding is easy. But what is the correct behavior for this feature? Is there…
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6
votes2
answers4341
viewsWhat is the best way to log in with Angularjs
In an app using Angularjs and Ionic, what’s the best way to authenticate in an API? I log in to all screens or use some session mechanism? I imagine that authenticating all controllers may consume…
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6
votes3
answers1233
viewsHow to login to desktop application via web application?
I have a web application developed with ASP.NET MVC and log in by storing the data in Session. I have another application, however desktop, that performs some tasks that cannot be done on the web,…
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6
votes2
answers864
viewsLogin to facebook using custom button
In a project I’m doing, I have to log in through Facebook. I’m already getting it, though, I can only get it through LoginButton of the Facebook SDK itself, using these methods: private static final…
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5
votes2
answers201
viewsBetter/Secure way to transfer sensitive data to an android application through JSON
I am trying to develop an application for android that will work with a database in this case Mysql and I was thinking to make the communication between the database and the application through JSON…
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5
votes1
answer376
viewsIn Django why does the is_authenticated method always return True?
I saw that the documentation indicates the method is_authenticated as being responsible for telling templates if there is a logged-in user. I also saw in the method code that it contains only the…
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5
votes1
answer543
viewsFacebook login php Auth returning dialog/oauth? client_id in url
I’m making my application to login on Facebook, but it returns with GET on the url ?code=etc... Before it was working normally, I use via class from Facebook. See: $facebook = new Facebook(array(…
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5
votes1
answer718
viewsHow to destroy a Session in java?
To invalidate a session, my teacher passed the following code: HttpSession session = request.getSession(false); if (session!=null){ session.invalidate(); } But after the logout, when I click Back in…
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5
votes1
answer276
viewsHow to convert Python encryption to PHP?
I wonder if it is possible to convert this encryption to the PHP language, I need to convert the passwords that were generated to be accepted in my Login system on the site, but I do not know how to…
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5
votes4
answers1156
viewsLogin condition with user or email in the same field
I am creating a system for schools, where the teacher when registering enters data such as name, email, user and password. So far the teacher can log in with email, but I wish you could login with…
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4
votes2
answers435
viewsPHP logout with Codeigniter
I am having a problem in logout of my system, it until it is logging out correctly and destroying the sessions, but if the user clicks the back button of the browser it goes back to the previous…
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4
votes1
answer2823
viewsLogin with facebook api does not return user email
Greetings guys, I spent hours and hours researching some solution to this problem, including here on the site, but I couldn’t find anything to help me. I’m implementing a Facebook site registration…
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4
votes1
answer502
viewsAuthenticate user efficiently and quickly (without setbacks, Identity x Manual)
I need to create a system amusing using a validation (user, password). I have experience with Webform, I started already studied a little MVC but still don’t feel safe to create a complete…
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4
votes1
answer249
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4
votes2
answers2348
viewsHow to make a user in SQL Server 2008 view only a VIEW?
I made a View to send to a customer, but I can’t pass the login and password to the general access. This way I created a user (cliente_view) and I would like this to view only the created View…
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3
votes4
answers6030
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3
votes2
answers26487
viewsBest way to make a script to logout
I am developing a system in which it is accessed with the login and password, once logged in the user has the option to logout, follows below my script: if(isset($_SESSION['logado'])){…
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3
votes2
answers449
viewsProblems with login CAKEPHP 2.6.1
I’m having trouble logging in to the Cakephp site, I’m following the example described on the site, but when you enter any user or password, even if you are not registered in the bank, it allows…
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3
votes1
answer787
viewsOpen Login Facebook according to platform
I’m using the SDK - PHP to login to Facebook, when access by a PC it opens the normal Facebook site, but when open by mobile he opens the site by browser as well. You can make it open the…
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3
votes1
answer980
viewsAndroid save user profile image
I am with a question what is the best method to save the profile image of the user of the app I am developing, where on the login screen will load the image of the user profile and home screen as…
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3
votes1
answer55
viewsUsing Facebook Login on Windows Phone 8.1
I am developing a Windows Phone 8.1 application and it is necessary to use Facebook login. Someone would have an example of how to log in? Thanks in advance.
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3
votes1
answer134
viewsError when selecting multiple data in php login
I have a script simple that makes a user of mine website can view your data on a page, for example: name, email, age, image. See script down below: <html> <head> <title> Login de…
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3
votes1
answer345
viewsHow to check credentials before authenticating to Laravel 5.3?
My application uses Laravel’s ready authentication, but I need users to log in from a web service. So what I’m trying to do is that if the guy exists in the application database, he does Laravel’s…
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3
votes1
answer130
viewsLogin PHP if Admin
Good, I have a question in the code I’m doing. I want normal users to see one page but if it’s login admin, it will end up on another page . $login = mysql_query("SELECT Nome, Password FROM…
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3
votes2
answers100
viewsUPDATE giving error but updates database
I’m creating a page of login where I need to save to the Mysql database the date and time when the login user. In the database I have a table like this:…
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3
votes0
answers360
viewsHow to authenticate a javascript application (browser) in a PHP API?
Personal, I’m looking to develop a PHP API (Laravel) to consume it both on my SITE (angular) and on the mobile applications I’m still developing. However, I am having trouble implementing a secure…
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3
votes1
answer656
viewsError trying to log in PHP
I created a login basic with php for the site I’m developing, but when trying to log in occurs the following error "invalid username or password", this error is in the code, but I do not understand…
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3
votes3
answers2169
viewsControl of séssions and authentication in PHP with Codeigniter
Good morning guys, I’m new to programming with PHP and I have a question: I have already developed the login system and it is working correctly, now I would like to control the access to the other…
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3
votes1
answer1098
viewsLogin with Android PHP and Mysql
Hello! Following a tutorial I created an app that includes registration and login with android PHP and MYSQL, the registration works perfectly, only that in the login part when the entered data is…
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3
votes1
answer1077
viewsLogin with permission levels
I have a login system that, if the user is an administrator, will be redirected to one page and if common, to another. That column ativo is what defines whether a user is admin(1) or not(0).…
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3
votes1
answer205
viewsError with facebook login in php
I’m having trouble connecting to Facebook using sdk php.: configuration on facebook Developers: code snippet: loginfacebook.php You can help me? Note: I’m still in development, so I use the same…
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3
votes1
answer439
viewsHow to post in XML in Reacjs
I am starting my walk in Reactjs, and I am going through a problem a few days ago, which is to login to an external api in my application, to give the user access to the rest of the application. I…
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2
votes1
answer1080
viewsHow to activate a user’s email registration?
Well, when registering the user has its ACTIVE set to 0, how to send an email with a link so that when clicking this link the user updates the asset to 1.
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2
votes1
answer3092
viewsHow to create a login with different permission levels?
How to create a login with different permission levels? Is it necessary to create a table in the database to log in? I have read about formsauthentication, cookies and etc, but still do not…
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2
votes1
answer1720
viewsLogin screen on Android
I emulated a local server by XAMPP and started trying to develop a login screen for an Android application. It is working perfectly, but only when I log in through localhost(using my local IP…
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2
votes1
answer278
viewsPassword encryption problem (PHP)
I’m making a Pet Shop system and the problem is this: the customer makes the registration, and the password will be encrypted to the bank, but when the login is made it is an error. Example: the…
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2
votes1
answer1369
viewsHow to log in and maintain the session?
I have a page HTML with an administration button before you have a login popup and the php from that login to is in another file. And I wanted to know how to do so that if he accepts the login, he…
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2
votes1
answer836
viewsSingle login system
How to create a single login in PHP? That gives access to multiple sites for the user, without having to login to each site. Like Google, which with a single login, you use Google and Youtube.…
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2
votes1
answer268
viewsHow to remove 'Invalid username or password, Try Again' message from Cakephp login page?
I started using the cakephp recently and created a login for my project. The login works perfectly, but is always displaying an invalid user or password message. What can I do to display this…
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2
votes2
answers381
viewsTrying to make the login work, but shows no error but also does not enter
Like I did the right php as my teacher passed, I changed all the names and it’s all right, I already checked, but when I log in, he doesn’t log in, he just updates the page and doesn’t redirect to…
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2
votes2
answers232
viewsRestrict access to a folder on the server after login
I have the following problem: I have 1 application used by 5 users... For each user there is a folder on the server, because for each one there is a configuration and some files are different, so…
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2
votes1
answer130
viewsDoubt Simple School System
Well I’m doing a job for college, I’m already halfway through, but to do the precise end: The teacher can register a pdf/image in his area. And the student on his page can see/download this…
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2
votes1
answer89
viewsHow to use Facebook login on the universal Windows platform?
I’m trying to build Facebook login into an app so it works using the app or website according to the tutorial: http://facebooksdk.net/docs/windows/config/ There is a similar question, but that does…
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2
votes1
answer41
viewsFacebook dependency for authentication
In many cases, stackoverflow pt being one of them, I log in with Facebook. We now think that I stop wanting to be a part of Facebook and delete my Facebook account. What happens to my account on the…
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2
votes1
answer559
viewsLaravel - Not log in after registration....?
How to remove automatic login after registering? I commented the following line from the Registerusers file: public function register(Request $request) { $validator =…
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2
votes1
answer316
viewsUnique authentication for multiple projects using Entity Framework
Currently in my Solution I have several ASP.NET web projects, each with the default authentication code of the Entity framework MVC (there are small customizations in the entities only). Projects…