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Questions tagged [wt]

Wt (pronounced as witty) is a C++ library for developing interactive web applications.

Wt (pronounced as witty) is a C++ library for developing interactive web applications. The framework is structured around widgets using signals and slots to drive interaction in the application. The framework comes with automatic fall-back for browsers which don't support the level of Javascript used in creating the application interface, such as web crawlers. WebSocket connections are supported out of the box. The framework provides extended built-in security, including XSS, CSRF and application logic attack prevention.

Bug reports, feature requests and official support requests should be posted here.

201 questions
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Can I completely hide the "behind" C code in a web application by using Wt as my web framework?

I'm in the process of building a web GPS positioning application for surveying applications. Algorithms for data processing and position estimation will be taken from an open source C library for GPS measurements processing. As I haven't any…
Kapoios
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Wt httpd for production server

It appears that there are two popular ways to run a Wt application: FastCGI with a server like Apache or their built in httpd. I am familiar with the former but not the latter. Does anyone have any experience running a Wt app with httpd in…
MrFox
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Cannot find Postgres header while working with Wt c++

I'm currently working on Ubuntu 20.04 and I am building a web application with WebToolkit. I want to use a Postgresql database to store my data. I built Wt from source, following these steps. Unfortunately, when I include the header file…
Khaled Sliti
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Is Wt leaking memory?

I just started to work with Wt, and it seems that memory used by the program is constantly increasing (as shown by System Monitor on Ubuntu). This happens in many different contexts, event though the destructors are invoked. My guess is that Wt…
Adrian
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Host for Wt C++ web framework, deplowment issue

I was wondering if justhost.com would be good enough to host a Wt C++ website/app on. It does allow FTP and SSH access as http://richelbilderbeek.nl/CppWtDeployGlobalHosted.htm tells me a host should, but I am just looking to get more input, or if…
Alex Woodman
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Wt TableView and Icons

I'm trying to display a Font Awesome Icon in a Wt TableView. More specifically I'm using a Wt::WTableView to display a Wt::WStandardItemModel. The following code shows how I fill the StandardItemModel. I use setStyleClass of the item to set it to…
Julian S.
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How to Install Wt into a Custom Folder Without "fatal error: Wt/WApplication: No such file or directory"

I'm new to Wt and c++ and I just installed the Wt webframework on Ubuntu 16.04 LTS into a custom folder in my home directory. I cannot install or build any software into the /usr diretories of this computer. Even if I could, the PPA hasn't been…
user6536435
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Why widget-centric web frameworks aren't that popular?

I'm talking about frameworks like Vaadin (Java), Wt (C++), Reahl (Python), Agile Toolkit (PHP) and etc. In my opinion these frameworks are much easier to code in (you code in one single language without the need to know JavaScript, HTML and CSS) and…
Leff Ivanov
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How may I deploy a Wt application with the built-in web server?

I am new using Wt and I would like to know what I must do to get an example (let’s say Hello) working on a web server (Apache or free webhost for testing). I know how to use the built-in web server ; I have to launch that command : ./hello.wt…
antoyo
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Use comboBox in Wt::Auth::RegistrationWidget

OS : windows8.1 64bits compiler : vc2012 64bits Wt version : 3.3.5 Hi, playing with the example of wt(example/features/auth2), I want to show combobox on the registration form, but there some problems need to solve I create comboBox in the…
StereoMatching
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WApplication::bind() usage in combination with Wt::WServer::post

I want to bind a callback, which will be called by a thread outside the Wt event loop. So obviously I want to use Wt::WServer::post, but I don't get how WApplication::bind should be used, since it's a nonstatic function. First attempt was this: auto…
Superlokkus
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Segmentation Fault (Core dumped) Wt With Qt helloqt

I Wrote before but the details was not explained. I explain step by step what I do; Witty installation Guide Ubuntu I did in order what ever said in this page. sudo apt-get install gcc g++ libboost-all-dev cmake make sudo apt-get install…
user3499951
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WLink vs WAnchor / When to use which one

I'm a bit confused: Don't have WLink and WAnchor the same purpose? Is it just that WLink won't emit the internal Path Changed signal?!
Superlokkus
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No viable overloaded '=' in std::bind function

I am trying to set the value of the referenced variable i_RootPath to different values inside of the while-loop, if you click on the corresponding button. The compiles does not like the way I assign i_RootPath. It says: No viable overloaded…
Daniel Gustafsson
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Wt::Http::Client always end with throw_exception()

I am currently doing modifications to an existing program written in C++11 with Wt and boost. One problem still remains, I always get exception when posting data using the Wt::Http::Client. Here is the current code : Communication.h #ifndef…
Alexandre Lavoie
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