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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answer169
viewsTest Web System on Smartphone
I have an application in PHP that is rotating in the XAMPP and is being accessed via http://localhost/ she’s running on the computer but I’d like to test her on my smartphone (via browser), how do I…
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answers1012
viewsHow to list and query contacts with PHP and Javascript?
Hello, I need a practical example in PHP that brings me to contact list of a database table, and click on in a contact is displayed the information of the same. Follow the image below: I am a…
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answer2904
viewsXAMPP - Apache error
I installed the XAMPP in my notebook, and it’s with this error that I don’t know what it is. 10:41:41 [mysql] Status change detected: stopped 10:41:41 [mysql] Error: MySQL shutdown unexpectedly.…
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answer30
viewsWhat is the correct notation to learn creating nodejs, Bower, and other configuration files?
What is the correct notation for specifying a JSON file that has multiple nested keys and brackets? see this in Bower, Grunt, nodejs, npm, etc. and various web development plugins.
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answers972
viewsGetting HTTP Error 500 Internal Server Error Using Jersey
I’m studying REST. I’m using jersey to create a service RESTful. I came across a problem trying to create a service that would return an object json. I am using a client (java) to request the…
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answer2148
viewsHow to add more fields in Wordpress users registration wp-login
I developed a site that contains a user registration, then the site administrator releases this registration, but need to add some more fields and by default Wordpress only asks for username and…
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answer742
viewsJavascript/PHP: Page redirection
Good evening, I am a complete beginner in web development, and after several google searches, I did not get a satisfactory answer. I’m using the command window.location.href to redirect my system…
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answer230
viewsPrimepush Eventbus does not work and will give errors
I am started to learn in practice with Primefaces to give PUSH. Follow the link http://www.primefaces.org/showcase/push/chat.xhtml I implemented the codes following this link that I posted above,…
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answer108
viewsHow does a mobile browser work?
In mobile browsers we usually have the Mode Fast, aportuguesando had turned 'Modo Rápido', where, it leaves the websites lighter to be loaded, know that part of this is that the site itself…
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answers3180
viewsjavax.faces.Facesexception, java.lang.Nullpointerexception
The following error(full description below): com.sun.faces.lifecycle.Invokeapplicationphase execute WARNING: #{testHibernate.save}: java.lang.Nullpointerexception javax.faces.Facesexception:…
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answer520
viewsProblem with Nginx configuration
Hail personal, I’m having trouble with this setup: local do arquivo: /etc/nginx/conf.d/virtual.conf # # A virtual host using mix of IP-, name-, and port-based configuration # server { listen 80; #…
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answer169
viewsHttpsession java
I am trying to implement Httpsession in my code but is giving an error in request getsession() what it says The method getSession() is Undefined for the type Httprequest My code import…
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answer27
viewsRefresh to a datatable
That’s how I’m making a small site in java only when I add a product and click to list the datatable does not update, I don’t know how and I have to do so so that every time the page is displayed…
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answers472
views$Scope does not visually update the data I fill with Javascript
I’m filling in mine $scope via Javascript using the following code: myApp.controller('gruposController', ['$scope', '$http', '$window', 'usuariosFactory', '$timeout', function ($scope, $http,…
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answers175
viewsConfigure project on tomcat8 Ubuntu Server
I’m having trouble setting up my project on tomcat8, I use Ubuntu server. I created a DNS or which points to my server on port 8081 and presents the Tomcat homepage without problems. I’m having…
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answer1227
viewsHow to load a CSS file dynamically in jQuery?
I am developing a mobile application in HTML, JavaScript and CSS using the phonegap. I need to adjust / tailor the same layout of a page to both mode portrait how much for way landscape. My doubt is…
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answers313
viewsError running Java program - Mapping Servlet Web.xml
I have the following software, it should allow me to pass a file, will send a message on the console to just positive access to a class and list the result on the page, I’m starting and do not know…
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answer76
viewsPHP code not recognized on the page
I made a menu with Ajax and it changes the content dynamically, so far so good, but the problem is that when I insert a PHP code in the page it does not recognize the code and displays the writings,…
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answer62
viewsNested Objects has_one Rails 4
Fala galera, I’m new to Rails and I’m trying to make a crud with two objects , a Project and another Album. Project has_one Album , as a test each one has only one :name as parameter , but I cannot…
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answers259
viewsRecovering object and setting in a modal
How do I stop when I click the trigger editar, a modal open with the data of an object I previously selected in the table? Follows my code: <div class="container"> <div class="row"…
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answers1114
viewsAnchor in Angularjs
Hello, I need to create an anchor where when I click on a link it arrow display block in a hidden div and scroll down the page to that div. The part about display block I’ve done, what I need is the…
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answers857
viewsHow to check if a website is registered?
How can I check if a particular domain (DNS) is available for registration? Basically what I need is to do a WHOIS query. I will make this query in PHP.
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answer1680
viewszoom in/out button of a div
They know some way with jquery and/or css to simulate the zoom in/out effect of a div. Div does not necessarily have an image. Without the increase/decrease div, simulate this effect for the…
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answers1837
viewsDesktop Friendly Web Application
Fala galera Well I want to create a web application, but it can be run on the desktop (or by url, but this would be the main one), when opening would pull directly the "url" of the application, as a…
web-applicationasked 8 years, 8 months ago Red 17 -
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answer54
viewsHow to use AJAX in many Layers?
I’m studying DDD I have an application with 4 layers being them Presentation Applying Domain Infra In the presentation layer I look for data via Ajax No DB, but I have a question about how to do. I…
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answers166
viewsHow to edit this chart to work with more lines
I’m using the Google API to generate charts : google.charts.load('current', {packages: ['corechart', 'line']}); google.charts.setOnLoadCallback(drawBarColors); function drawBarColors() { var data =…
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answer556
viewsAll Apache requests pointing to the same directory
I set up a Vhost for my project as follows: 1 - I added a line to the file /etc/hosts containing local address, url and alias 127.0.0.1 meuprojeto.com meuprojeto 2 - I added the file meuprojeto.conf…
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answers525
viewsWhere do I find ready-to-edit phonegap application projects?
Where can I find fully-ready IOS and/or Android application projects? That can customize, edit them and if possible already with communication with web server, without having to do one from scratch.…
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answer124
viewsPHP recursive directory
I need to include a file from a recursive directory, I’m using the following form: <?php require_once '../../cabecalho.php'; ?> Okay, here’s what’s going on. The header, which would be the…
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answers41
viewsHow to store information in a remote storage?
How can I store an entire number that when the user clicks on the button it is incremented only by section (for this I use the sessionStorage) but this incremented value is visible to everyone on…
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answer87
viewsHow to make a web app localhost modem configurator type?
Hello. I am a C# developer and I need to make a configuration application for a Windows Service. I thought of something similar to those internet modem configuration applications that run directly…
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answer62
viewsModify css/js links with Grunt after concatenating and minifying
I’m using Grunt in my project, I can concatenate them and minify them as desired. But I need to change the links from my page to the minified files. For example: Of: <head> <script…
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answer132
viewsSelect PHP + Mysql
Guys, I’m a beginner in web programming and I’m having trouble creating a CRUD, the insert worked OK, but the next step is SELECT is not running as it should and I would like you to help me see what…
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answers151
viewsSearch API stopped returning XML
I’m trying to access the address http://sandbox.buscape.com.br/service/findProductList/554163674d2f57624d676f3d/BR/? categoryId=77&keyword=Samsung by the browser but stopped returning the XML.…
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answer1601
viewsCSS and JS are not being applied to the project in Spring MVC (config via java)
I’m a beginner with Springmvc and I’m learning through the book Spring MVC (Master the main java web framework, by Alberto Souza, code house). Before starting with Spring, I created a Maven project…
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answers96
viewsUse webcam on the web with the highest resolution possible
I am developing a simple application to capture photos through a web cam, the part to capture the photo and save ta working quietly, however I am having resolution problems. When I use a software…
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answer345
viewspom.xml in Spring is not working!
Independent of the boot version keeps giving me error. could someone help me solve these pom problems?…
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answer89
viewsWeb Page Optimization with Java
What should I look for to optimize performance on the front end, to minimize css, js etc. keep the head and change only the body? Using Java and Spring MVC, or with Play and Sparks for example.…
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answers179
viewsSpring Web MVC - Controller not working
I’m trying to make a basic application, with a controller that sends a message to the screen and puts CSS into the project, but either CSS works or the controller. Follow the codes: 1) Netbeans…
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answer621
viewsSession PHP does not work
I’m starting with PHP and when trying to do an exercise proposed in an apostille, my $_Session variable is not working as it should, can you tell me which error in the code? <?php session_start()…
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answer438
viewsSAT Cfe Fiscal Database
I am developing a web application in PHP, someone who has already made a system that emits SAT can inform me if it is necessary that the user owns the SAT database, or a copy of it, on the local…
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answer395
viewsValidate log data (spring-boot + Angularjs)
Hello, I am implementing a web project in spring boot + data + Angularjs. Where the client makes Rest requests to the server. On the Spring side I’m using repositories to develop database research…
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answer1054
viewsHow to know which div is shown on the screen with javascript?
I have a site with multiple Ivs, and I need that when the screen arrives in a certain div, an action happens, but I don’t know which javascript event or jquery is responsible for it. Example:…
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answer395
viewsIs there any way to keep the user logged in to a webapp
I wonder if it is possible to keep a user logged in with webapp using webview. If yes which one will be the right way.
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answers154
viewsTransforming a data structure into javascript
Hello, I have the following data structure: [ {id:1,idforeign:2,nome:'etc'}, {id:2,idforeign:2,nome:'etc'}, {id:3,idforeign:3,nome:'outro'}, {id:4,idforeign:3,nome:'outro'} ] I’d like to turn to…
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answers60
viewsHow to search the bank with three types of user?
Hello I’m doing a college project, it’s an internship site project, it has to be developed in Java WEB with database. It has three types of user, the student, the company and the administrator. I…
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answers33
viewsHTTPS Only on client
Hello.I’m starting now on WEB programming, and I came across a question before the website I’m developing aired.As you all know, safety is essential and extremely important for any system.My system…
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answer191
viewsEnconding problem: JSTL fmt
I’m using fmt to internationalize the texts on a page. It turns out that when using accents, the text gets weird characters. I tried to change: <fmt:requestEncoding value="UTF-8" /> but there…
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answer208
viewsHow to print the Browser or OS name on a JSP - Java Web
would like to know how to print the browser the client is using and if OS using jsp. Some people suggested using ${header["user-agent"]} however, this command returns various information and I would…
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answers126
viewsHow do I limit the use of a web application so that it can be used by Chrome?
My application is based on Java and made in Genexus. I want it to be impossible to use my application outside of Google Chrome. You can implement this limitation? I did not find in my research this…
java web-application google-chrome browser genexusasked 7 years, 11 months ago Tayrone Carneiro Rockenbach 91