Most voted "web-application" questions
In computing, web applications are generally computer systems designed for use from a browser, via the Internet, or applications developed using web technologies such as HTML, Javascript, and CSS. Can be run from an HTTP Web Host server or locally, on the user’s device.
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answer113
viewsBlocking LINK with HTACCESS
Do I need to lock a link just inside a server, how would I use HTACCESS? If there is any way. Thank you.
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answers1023
viewsHow to hide text that appears after my domain in a URL?
I have a Java application using Spring MVC. Suppose my application has the domain www.meusistema.com.br As the user navigates, other urls are generated, example: www.meusistema.com.br/acessarConta…
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answer77
viewsVideo control plug-in in Moodle
Does anyone know if there is a module or tool that controls access to videos on Moodle? I was thinking of creating something like, for example: The student began watching video number 1 and stopped…
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answer118
viewsEnvironment / Technology for developing 3D Web applications
Nowadays, many web applications use 3D resources in their applications. A place where I found some examples was in Chrome Experiments. An example that prompted my curiosity was this applying. My…
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answers127
viewsClass that cannot be serialized
Next, I’m studying a project involving javaWeb, with jsf+primefaces. I’m using the apache tomcat 7. The problem is happening when starting the apache service to then test my application, in which…
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answer1245
viewsProblems with ng-required and ng-disable
I have a web application, where a person can enter their skills but if there’s a bug that allows them to enter blank skills, then I’m trying to use the ng-required in the input and the ng-disable on…
javascript angularjs web-application angularjs-scope scopeasked 8 years, 8 months ago Gustavo Moreira 45 -
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answers90
viewsHow is the database of a WEB application created and configured?
How is created and configured database of an application WEB? Routines responsible for the creation of the database and all CRUD in the application itself when it is first started on the server or…
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answers1564
viewsInserting a text input with a PHP button
I’m a beginner in PHP and would like to know if there is a way to add an input text in PHP using a button. I am developing a php application for warehouse control and I want to create a merchandise…
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answer521
viewsgetOutputStream() error has already been called for this Response
I have in my application the following error: getOutputStream() has already been called for this Response. Ok, the chunk of code that is causing this error is as follows: boolean hasLogoLogin = new…
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answers165
viewsJboss Error 09:51:36,559 INFO** [Server] Jboss (MX Microkernel)
I am trying to run application using Jboss 4.2, but when I try to start it, I have the following information on the console and do not leave it. 10:42:39,847 INFO [Server] Starting JBoss (MX…
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answer1134
viewsHow to run a javascript code from the site url
Hello, all right? I was wondering if someone could help me with something on my series site. It has no pages, or posts, ie: everything is done from the home page. To open a series, I use the code:…
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answers229
viewsTomcat stops working on a pc after a short while
So I have a web application (Java + Spring + JPA) on Tomcat 9.0 and several machines connected on it, mobile phones and laptops, all working perfectly. However, there is a notebook (i5, Windows 10…
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answer39
viewsFRONT END - jBox?
How or what to use to make an effect in which the user realizes that the table minimized even that little tablet ? For example: The effect of minimizing MAC ... At the moment there is only one…
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answer369
viewsImplementation of credit card payment system
Hello. My question is "simple": Is there any way to implement - in a web application - the payment by credit card (Visa, Mastercard, etc), without using third party resources (Paypal, Pagseguro,…
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answer265
viewsDue to NAT, is the IP access count imperfect?
I found it difficult to find content on the internet about this. I would like to know in general what is NAT (Network Address Translation), how it maps private Ips on a public IP and mainly where…
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answers5091
viewsHow to make a simple and responsive horizontal menu?
Hello. I started studying Development front-end recently (almost yesterday) and am having some problems with CSS. I’m terrible at positioning things, and what makes me angry is that I can do a few…
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answer173
viewsPick arrays with php space
I have a php code that picked up information from two different columns of the same table in a local database, but the code doesn’t seem to work when one of the columns has information with space,…
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answer301
viewsIs there a difference between Java platforms?
In: Java Desktop Java Mobile Java Web Languages are different, or is it standard changing only the environment?
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answers14
views(Struts2 - JEE) I used extends of an action class and in the class call my execute() does not run
So guys, I never had a problem with running the project’s action classes, but this time I wanted to reuse code from another class and when using extends in the call, it just runs prepare() and…
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answer701
viewsRadio button in gridview
Good morning, everyone. I need to create an online form that will have questions that will be inserted daily in each user’s profile. All questions are stored in a database along with their…
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answer3473
viewsError creating table with flyway using Maven
I’m with this error below when creating the wine table using flyway, this is a Maven project, anyone knows why gives this error? Estates spring.jpa.database=POSTGRESQL…
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answer602
viewsEncryption of GET and POST request parameters
I am beginner in java and I am studying java web, mainly servlets and JSP. And I need to develop a web application as a college job, focused on security. For this I would like to encrypt the URL’s…
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answers6230
viewsjavascript multidimensional array
I have the following question. I will simplify as much as I can for you to understand. I am developing a game and have an array of values. This array is multidimensional: var valores =…
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answer246
viewsCopy the font folder using Gulp?
How to create a task to copy the bootstrap font folder to the build folder? I created the following task but it’s not working. var config = { assets_path: './resources/assets', build_path:…
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answers42
viewsAccess to local app via mobile
I have a web application running on a computer in my local network. This application is accessed by cell phones connected to my network via wi-fi using the IP address of the application server…
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answers124
viewsApache interpreting python script as file
I’m building a website and I want it to run a python script in the html action the issue is that my browser is interpreting the script as if it were a.py file to download <!DOCTYPE html>…
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answer336
viewsCentralized HTML/CSS menu
I need a help with a code I don’t know much about HTML and CSS, I’m learning little by little, and I need a little help. Inicio Código HTML/CSS <?xml version="1.0" encoding="iso-8859-1"?>…
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answer1431
viewsSessions or Cookies for login system?
I am doing a PHP login system and would like to know which option is safer: Cookies or Sessions. I know that many developers don’t like to use cookies because they can be removed by users. But my…
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answer3995
viewsMysql server with Xampp to be accessed by another machine?
I am a complete beginner in dealing with Web programming and local and remote servers, my notion on these subjects is quite partial. Well, I have a system that will need access to a Mysql database.…
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answer67
viewsRefresh page inserts again
I’m starting web development with java and I’m doing some tests and I came across the following situation, I created a form that loads a list based on every click of the button, however, when I…
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answer69
viewsControllar scroll to go in sections of the site
I have a site with sections. I’m trying to get the scroll to skip to the next section and so on.. I thank you from now on!
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answers43
viewsLogoff ASP NET / HTTPS CAUSES SECURITY ERROR
Hello good morning, I have an Asp net application, which makes use of https security, however at the time of logoff it causes an error message, someone has already gone through it?…
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answers867
viewsError giving the npm install command
jean@jnotepc:/var/www/html/app_agenda/_views/css$: npm install npm WARN enoent ENOENT: no such file or directory, open '/var/www/html/app_agenda/_views/css/package.json' npm WARN css No description…
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answer135
viewsError accessing method in Managedbean
Guys I’m having problems accessing a method that is in my Managedbean, the idea is the following: I have a page where I list the records that are in db from the click on the "Query" button and then…
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answer206
viewsConvert EJB and WEB modules to Maven
My project consists of three modules: EAR, EJB and WEB. I know Maven goes way beyond dependency control, but to start I just want to use it to control dependencies. I tried to convert the modules…
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answer77
viewsProtocol breach problems on FTP Server (Ftpwebrequest)
In the company I work I have two servers: a place that belongs to us and a third party provider. I have to make a copy of the system files that is on the third party provider to our local server.…
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answers1519
viewsSubtract date with javascript
I have the following problem, I have a date that comes from the bank and I compare with the current date, and I do the following: var dataAtual = new Date(); var partesData = dataAtual.split("/");…
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answer279
viewsError trying to insert data via JSF-Bean Error
I’m starting to create a web application using JSF, but I try to insert some data through a form and it displays the error below: /usuario.xhtml @19,72 value="#{usuarioBean.email}": Target…
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answers31
viewsSchedule email sending after query transaction status
I am creating a page that has a payment module, but when a user makes a payment right after the transaction is approved he receives an email telling him that his transaction has been accepted or…
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answer251
viewsLogin Module with Spring Security
Guys, I’m studying the Spring Framework and all the others frameworks that it makes available and would very much like to implement a module of login. I am currently using Spring without any use of…
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answer323
viewsModern Web: SPA/REST
Speaking on the modern web, we have new concepts like SPA/Rest and I keep some doubts. Is it correct to focus/study these concepts? Since they have emerged as an improvement on some old concepts. Is…
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answers225
viewsInputtext returns null
I got a problem I don’t know what else to do. My idea was to have a Checkbox that when marking would show a field and when unchecking would hide this field, for that I used rendered and ajax,…
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answer214
viewsWhat characters can I use to define a class name?
I know it is recommended to use letters and dash, but if I want to use a class teste1/10, which recommendation?
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answer46
viewsQuery does not return all record data
The following query returns the correct record, but missing items on its return. $nota = $this->Nota->find('first', [ 'conditions' => ['id' => $numero, 'serie' => $serie ] ]); For…
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answers43
viewsIs it possible to create compiled WEB programs?
In the case of programming for WEB, it is possible to develop systems for WEB using compiled programming languages such as C++, for example? Or to WEB only dynamic languages are accepted? If…
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answers38
viewsHow to receive and manipulate data from the browser?
My question is regarding communication with the browser. How to do, for example, a program that receives a notification whenever someone comments on your post on Facebook? I’ve seen someone do this,…
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answer345
viewsError (Connected String) Asp . Net MVC - Visual Studio 2013 and SQL Server 2012
I have a problem with my MVC Asp.Net. I created the Connection String inside Webconfig, <connectionStrings> <add name="connSql" providerName="System.Data.SqlClient" connectionString="Data…
asp.net-mvc web-application exception visual-studio-2013 connectionstringasked 8 years ago Marcelo Medeiros dos Santos 73 -
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answers60
viewsSave form attribute without name defined
I have a problem with a php script. The name attribute of a page receives a value that is generated by an array. What I need to do is basically generate a table in which each row has a button that…
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answers531
viewsI can access Tomcat by Lynx http://localhost:8080, but I can’t get it through the local Host browser
I’m having a problem getting Tomcat accessed by http:// from anywhere. For you to understand better: I have a CENTOS 6.6 VM and in it I installed TOMCAT 7 and JAVA 7 I restarted Tomcat and if I try…
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answers6733
viewsCentralize Web Page Content
I’m trying to create a simple page in HTML, resizable, where the content is all centered vertically. But I’m not able to center the text boxes in any way. This code will initially be the graphical…