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.
Learn more…930 questions
Sort by count of
-
4
votes2
answers502
viewsAdd previous line in mysql
I have a launch line, in which this line would need to receive the value of the previous line +1, some example of how to do this? Table structure: CREATE TABLE `lancamento` ( `data` VARCHAR(10) NOT…
-
4
votes2
answers2633
viewsWhat is the difference between the MVC architecture and Django’s MTV?
I wonder if there is any difference in practice between these two architectures.
-
4
votes1
answer1925
viewsCan I apply HTML/CSS to a pure C program?
The programming club I’m attending has completed a program that works as a stock controller and shows things that are available and things borrowed. It was made in pure C, so the display is quite…
-
4
votes1
answer119
viewsCategories of Google query
I have a site with wordpress karanalpe.com.br. When I perform a search for it in google is returned the following information: When I perform a query for another site (earth for example) the same is…
-
4
votes1
answer3221
viewsError Call to Undefined Function split()
Everything in my code appears to be correct however the error: "Call to Undefined Function split()" is presented to me on the screen when running my script so I saw the error is on line 31 how can I…
-
4
votes1
answer197
viewsStructuring a Saas Database
Well, I’m studying a little bit about applications .NET as Service and not as a Product, so that a monthly subscription customer’s use of the application. As long as the database will be unique and…
-
4
votes1
answer315
viewsSilverlight Lightswitch - [Noelements] Debug resource chains not available
I am responsible for supporting a web platform made in Silverlight, in which I am not allowed to change anything in its code. The customer has complained that sometimes there are some strange…
-
4
votes1
answer110
viewsIt is possible to access a port via TCP/UDP from a web application
It is possible to send data to a port (e.g.: 5151) via TCP or UDP from a site, on the front end, using Javascript for example. I’ve been searching for a while and the closest I’ve come so far is…
-
3
votes2
answers2290
viewsCan I use the same WPF view for Desktop and Web?
Dear ones, I have never programmed with WPF but soon I will have the opportunity and already thinking about the future, which is now, in which desktop applications will be/are being migrated to the…
-
3
votes1
answer77
viewsMedia queries ignored from a certain resolution
Working with Mediaqueries for responsive layout, I came across the following problem: I’m setting the resolutions quietly, but when I get to 800px the configuration gives 320px and 360px. It is…
-
3
votes1
answer1301
viewsMysql Local Database and Online Server Connection
I’m developing an application using Java Swing + Mysql database, but I’m analyzing making an online platform that talks to the local application, using the database to interconnect the data, because…
-
3
votes1
answer240
viewsHow to make Scrapping in Google Scholar?
Using Mozilla Firefox, could anyone tell you how to make Scrapping in Google Scholar? Where to start?
-
3
votes1
answer272
viewsWeb server that receives and sends parameters to C#, is it possible?
I developed a software in C# (.NET) that sends/receives text files to an FTP server, but for security I look to work only with type parameters String/Bytes for security reasons, my question is:…
-
3
votes1
answer64
viewsComposer.lock accessible via web
Lately I installed the Composer in a project of mine, I really liked because it is a great tool, however one of the files generator the Composer.lock is accessible by the browser, as I do not…
-
3
votes1
answer152
viewsMultiple Pipelines to Treat Different Files in Scrapy
How to treat pipelines.py when we have different Piders? Example: I have a Spider that works by getting posts from a particular blog and another by saving images from jpeg banners found on each…
-
3
votes1
answer126
viewsHow to manage the operation and failure in the execution of Spiders?
I’m developing a module to get information about the Piders that run on the company’s system. Below is the model where we keep the beginning of operations and the job. I would like to validate if…
-
3
votes1
answer2956
viewsIs web tax printer possible?
I am implementing a system for issuing a invoice with tax printer in C#, but I would like to know if it is possible via the web using Javascript HTML, CSS etc. How would I do that? Through what…
-
3
votes1
answer1770
viewsXampp as an enterprise solution for a web server with php applications
I have a machine that will serve as a web server, with php applications and applications with embedded server like Pentaho and odoo Erp, which will be used as intranet and extranet systems.…
-
3
votes1
answer651
viewsGlassfish does not take root context from the application
EDIT Guys I managed to solve, I was missing point my application to my virtual server, thank you. I uploaded an application on the server today and glassfish is not taking the context of the…
-
3
votes1
answer350
viewsAPI’s web, REST and Object Orientation
I’m starting to study web Apis a little more in depth and I was a little bit in doubt with the following question: I work with ASP.NET Webapi and therefore with object orientation. I have in my…
-
3
votes1
answer308
viewsLicense of the Phonegap
Hello, I’m trying to embark on the world of cross-platform applications, and after some time of research I did some tests and read about it, I got to two platforms: Intel XDK and Phonegap (Intel’s…
-
3
votes1
answer261
viewsPrimefaces Mobile does not work p:Poll
I am implementing p:poll on a page that user can see their updated position in a queue. I tried to run on a page but it didn’t work, the updated queue position went blank in the field using…
-
3
votes1
answer2487
viewsHow does Htmlunit work?
Someone has some example of login of a web system communicating with another, where I will send the user and password to another site and this site will authenticate and give me a feedback if the…
-
3
votes1
answer212
viewsHow to handle query results with PHP OO?
I’m creating a simple, photographic website, and I’m doing all the object-oriented PHP. I know PHP procedural, but I would like to mix PHP with HTML as little as possible. My connection and my query…
-
3
votes1
answer1028
viewsOrganize Javascript files for a project
I am working on a Web System with multiple screens and they have different functions in Javascript and several apply to only one page. How do I organize Javascript files? Best practice? Create a…
-
3
votes4
answers822
viewsWhen is a string considered a primitive type in web development?
I was in doubt in a class when the teacher said that a guy String was considered as primitive! But I learned in Object-Oriented Programming that are only primitive: Byte: 1 byte. Short: 2 bytes.…
-
3
votes2
answers118
viewsWebsite, mobile version
I have a website developed in flash that do not have mobile version, I developed a mobile version in Html5, I wanted every time index.html was loaded on a mobile device this mobile version to open,…
-
3
votes3
answers1652
viewsHow to start a Django project using virtualenv?
I have searched and found several different ways and conventions to create a project in Django using virtual environment (virtualenv). Is there a pattern to this? Someone helps me with a correct…
-
3
votes1
answer486
viewsUnable to create Managed bean
I’m having a problem here in java that I don’t know how to solve or what it might be because I’m learning to program with java for the web and I don’t know the possible causes of the following error…
-
3
votes2
answers730
viewsWhat better option to protect directories and files in a root folder?
On a web server, I have a folder inside the root folder (public_html) that must be protected. It contains system files, settings, logs, classes and etc... In general, what is the best option to…
-
3
votes1
answer1420
viewsIs it possible to synchronize a mysql server with a local Firebird database?
I’m new to web applications, and I have a Mysql DBMS-based website. What is the best way to synchronize the web bank with a local bank (the bank being on a fixed ip)? The local bank is Firebird.…
-
3
votes1
answer108
viewsWhat tools to use to create WEB games?
I would like your help in the following questions: 1. What better option for web game development ? 2. HTML5 with Canvas, Javascript and PHP ? What do you think of this combination ? 3. Python is an…
-
3
votes1
answer226
viewsHow to implement Service Layer with Spring?
Does anyone know any tutorial, examples... any source to learn how to implement service layer?
-
3
votes1
answer543
viewsClickable 3D globe
I’m thinking about doing a project using a 3D globe with the possibility to click on countries, but I don’t know where to start. I’ve been doing some research and so far I’ve found this:…
-
3
votes3
answers1905
viewsWhat are the layers of a web application?
In a simple desktop application on C# Windows Forms for example and layered model can defined as follows : Presentation Layer Windows Forms, GUI (User interface windows). Layer of Business Rule…
web-application mvc software-architecture software-engineeringasked 8 years, 9 months ago stringnome 1,752 -
3
votes2
answers1288
viewsExecution cannot find 'org.junit.Assert' even if you have the Junit jar in classpath
I have a problem that I’ve done a lot of research on and I haven’t found the answer to yet. I have a test case I’m trying to run and send a message to the console. But even though he has Junit’s…
-
3
votes0
answers124
viewsHow to return a specific field of a SOAP WEB SERVICE
I need to return a specific field of this web service: mainactivity class: package com.example.paulogabriel.test_app; import android.app.Activity; import android.os.Bundle; import android.view.View;…
-
3
votes2
answers978
viewsHow to find the name of a button by source code?
I’m working with a library python calling for Splinter, that simulates a web browser. I’ve read about how to use it, and to click a button, just give a command that involves the name of the button.…
-
3
votes1
answer217
viewsSelect multiple inputs
I have the following doubts whether it is possible to improve this selection: #form-login > input[type="email"], #form-login > input[type="password"] {} Because if I have multiple inputs it…
-
3
votes1
answer319
viewsPicking an attribute from a class in javascript
Hi, I’m developing a list with all my facebook friends. I managed to create the first line of the code, which makes me take all my friends and store them in a variable within an array, as shown…
-
3
votes2
answers1217
viewsWhich index (php or html) loads when both are present?
I would like to know which index file loads in case you have an index.html and an index.php on the site. Let’s say you’re setting up a PHP site, but you need the server for testing and so on, so I…
-
3
votes1
answer893
viewsHow to popular a p:datatable with a List<> that contains two List<> attributes inside?
I spent all day today trying to do something that’s supposed to be simple but I couldn’t. The thing is, I’m wearing the primefaces and I’m new to it yet and I need some popular way of my…
-
3
votes1
answer1824
viewsHow to request a digital certificate and use the public key to sign a string?
I’m developing a web site for my TCC at php, and I’m at an impasse: My application will need to request a digital certificate, which may be the file .cer or load from the user’s repository and sign…
php javascript web-application certified digital-signatureasked 8 years, 2 months ago adrianosmateus 755 -
3
votes2
answers649
viewsProblem with connection between EF and Postgresql
I am trying to make a connection with EF and Postgresql in an Asp.Net Mvc application I am using the following references Entityframework6.Npgsql Npgsql 3.1 .NET Framework 4.5 I have the following…
-
3
votes1
answer1850
viewsList network printers with PHP
I need all printers on the network to be listed in my application for configuration purposes, but so far I’m finding it difficult to do. At first I’m using Windows on the application server, but I…
php web-service linux web-application impressionasked 7 years, 10 months ago Anderson Brunel Modolon 1,111 -
3
votes1
answer619
viewsRandom matrix filling with javascript
I’m trying to create a map with earth and water in javascript but I want it to be completely random, so I assigned 0’s and 1’s in an array and where I had 0 put the floor and where I had 1 put…
-
3
votes1
answer306
viewsPHP x C++ web performance and security
Today I work in a company that manages some sites with too much traffic, which is generating some problems of server overload and etc. These sites are mostly news portals and are running Wordpress,…
-
3
votes1
answer1157
viewsHow do I ask permission from the user, to get his location? showing an Alert with the options allow or not allow.
How do I ask permission from the user, to get his location? showing an Alert with the options allow or not allow.
-
3
votes0
answers77
viewsOperation of an Online Text Editor
Guys, could somebody give me a hand. I have a question about how is saved the data of an online text editor in the google Docs style, there happens automatically, but the question for me is, how ?…
web-applicationasked 6 years, 11 months ago Glorious 31 -
3
votes1
answer487
viewsValidate data with PDO
I am migrating my php code in which I was using sql query to PDO, but I am finding it difficult to validate data with this. NOTE:I already have a functional file that does the search in the…