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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231
votes5
answers6588
viewsShould error messages apologize?
It is common to find an error message that says: "Sorry, you are not allowed to access this function. Please contact the administrator for help." An "apology" is appropriate in this case? It is a…
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52
votes1
answer1763
viewsCan the IP address be forged?
When a client connects to my server, can I trust that the IP address I have access to (every/framework/etc language used in web applications exposes the client’s IP in some way) is really that…
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50
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answers11718
viewsWhat are the differences between web application and desktop application?
I always make confusion with web application and desktop application, I can not understand very well the differences of both. Questions What are the differences between web application and desktop…
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40
votes2
answers897
views<br> is obsolete?
With the advent of responsive/adaptive/fluid layouts, the use of <br> to define layout spacings. Using it is not recommended in these modern layouts or is it just a matter of programming…
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37
votes7
answers1131
viewsToo many screens or a screen with too much information?
I see an increasing trend, although this has existed before, to create multiple screens, several steps to perform a single action. Of course, the advent of smaller screens encourages this. But I’m…
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31
votes2
answers1064
viewsWhen to use Graceful Degradation and when to use Progressive Enhancement?
When creating a website or web application, there is always the problem of what to do when not all browsers implement all desirable features. From what I’ve read, there are two main ways to deal…
web-application software-architecture ux cross-browserasked 10 years, 3 months ago mgibsonbr 80,631 -
27
votes2
answers1040
viewsWhen and why to create a mobile app?
With the popularity of mobile devices such as smartphones and tablets, capable of running quite complex applications, it is increasingly common for companies to develop applications (apps) own.…
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26
votes3
answers8116
viewsHow does the session work in web browsers?
A session allows, for example, that I allow the user to remain logged in, saving the information of who is logged in (username, for example). I believe it’s something more elaborate than cookies,…
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23
votes2
answers8678
viewsWhat is NPM and Node?
The title of the question says it all. There are many articles about it, but in a clear and beginner way, what is NPM and what does it do? Like Node? What they contribute to the construction of…
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23
votes3
answers599
viewsIs mixing HTTP with HTTPS a problem?
On my website I am using links normal HTTP, but where it contains data transaction, as in forms, for example, use HTTPS which is from a shared SSL certificate provided by my hosting server. I don’t…
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22
votes1
answer9649
viewsWhich UTF-8 "collate" is the most suitable for Web (multi-language)
I usually use utf8_general_ci by default in my projects, but recently I found that other developers use utf8_unicode_ci utf8_general_ci: Unicode (multi-language), Case/Case Insensitive…
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22
votes3
answers394
viewsWhat are friendly Urls?
What are friendly Urls? What is its purpose? When it is recommended to use friendly Urls instead of regular Urls? Involves some relationship with performance?…
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22
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answers1870
viewsWhat are Progressive Web Apps?
Hello, I’ve read references around, and to complement our community, follow the questions. What exactly is Progressive Web App (PWA) or Web Application Progressive? What advantages there are…
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20
votes2
answers1527
viewsWhat are and how do . NET technologies relate to developing web systems?
Many years ago I programmed a little in classic ASP and did not follow the evolution of products. Classic ASP basically consisted of files .asp with code whose language was a variation of Basic,…
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18
votes5
answers1252
viewsWhat are the advantages and disadvantages of using pagination and infinite scroll on websites?
What does the user gain or lose when choosing one of them? Consequently what website owner has some gain due to better user experience. When to choose each one? There is a type of website or web…
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17
votes3
answers747
viewsHow to test my site on a slow internet?
When completing the development of a website or system, we always test its performance with our internet. Faced with this, there is some way to simulate the performance of my system a slow internet…
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16
votes2
answers829
viewsWhat is Svelte JS?
Nowadays, much is said about the web Components and custom Elements, and along with big names like Angular, React, Vue and Polymer, I recently heard the name Svelte JS. What is Svelte JS? It is…
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15
votes2
answers5550
viewsWhat is the difference between website and web application?
It is said that they are different. What is the difference between a website and a web application (web application, web application)? P.S.: It has no Soen…
web-applicationasked 7 years, 3 months ago Piovezan 15,850 -
15
votes2
answers1147
viewsWhat is Stencil JS?
Nowadays, much is said about the web Components and custom Elements, and along with big names like Angular, React, Vue and Polymer, the name has recently begun to appear Stencil JS. What is Stencil…
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12
votes5
answers1943
viewsIs it possible to program to web with Lua?
I see many tutorials on the Internet that assimilate the use of language Lua to the development of games. But I’d like to know the following: It is possible to develop for web using the language…
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12
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answer3396
viewsHow does authentication with digital certificate work?
I want to authenticate via digital certificate in a web application. I have been able to read the data of my digital certificate that is connected to my machine. The question is: "How to…
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12
votes3
answers1529
viewsWhat technologies can I use to create a PWA
I’ve seen it before What are Progressive Web Apps? and the google documentation, but I’m still in doubt: What are the available technologies that can be used to create a progressive web application?…
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11
votes5
answers1091
viewsPros and cons of a 100% HTML/Javascript web application
I am seriously thinking of developing a web application, using only HTML/Javascript on client-side for performance gain and by which, any and all necessary communication with the server is made…
javascript html web-service web-application single-page-applicationasked 9 years, 6 months ago Iago Correia Guimarães 799 -
11
votes1
answer87
viewsHow is a "360º Tour"?
I would like to know what is the process of developing a 360º tour. Click here to see the example I believe such a "system" is not made all in the "big hand", in a primitive way, line by line. What…
web-applicationasked 8 years, 10 months ago Zkk 831 -
11
votes3
answers1682
viewsIs it common to have multiple different servers for the same web application?
Setting: I’m starting to participate in the development of a web application. This application is not yet available "online", IE, we only have it here on the test server where we have, on the same…
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10
votes3
answers387
viewsHow does semantics/indexing work with Angularjs?
I always wonder, Angularjs is a framework that is being used constantly. But I have a question about how it works for the crawlers (googlebot example). They even run the javascript and interpret the…
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10
votes1
answer10730
viewsWhat is the difference between sendRedirect and requestDispatcher.forward?
What is the fundamental difference between the use of methods response.sendRedirect("Alguma pagina"); and RequestDispatcher despachar = request.getRequestDispatcher("/Alguma pagina");…
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10
votes3
answers20032
viewsError trying to install modules in Nodejs: "Error: Can’t find Python Executable "python", you can set the PYT HON env variable."
When I try to install the modules I need it returns me several errors at the time of installation (in this case I tried to install the socket.io): Microsoft Windows [versão 6.3.9600] (c) 2013…
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10
votes1
answer405
viewsWhat’s the difference between cloud computing and web computing?
What is the difference of cloud computing and web computing? Both are not local and are mostly accessible via browser then one gets the impression that they are similar concepts.…
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10
votes2
answers327
viewsWhen to use underlining in web hyperlinks?
When I got on the web everyone hyperlinks were underlined. After this was no longer used, practically no longer used anywhere. Is there a reason not to use it anymore? Do you still have a situation…
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9
votes2
answers660
viewsCDN vs. join JS/CSS
Among the performance recommendations of a web system are: Use CDN (in case of jQuery, Bootstrap, etc) Join JS and CSS to decrease the number of requests Turns out those two rules go against each…
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9
votes1
answer999
viewsHow to update data in real time?
Sites like Facebook, Twitter even this one we are now updating their data in real time, in the case of Facebook: when a user likes some post automatically the data on your screen is updated and so…
web-applicationasked 10 years, 4 months ago Gustavo Sales 176 -
9
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answers3250
viewsHow can I purchase HTTPS in my web application?
In this link I learned how HTTPS works: Stackoverflow - How HTTPS works But I don’t know what applications I should use, and how to acquire HTTPS, depends on any host, programming language etc. To…
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9
votes1
answer450
viewsWeb application for multiple people
I see many web applications that can be used for various companies. How do they do it? They create only one bank and share between these various customers? For example: Company A has 10 users and…
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9
votes2
answers6946
viewsWhat is the difference between Template and Layout?
I would like to know the difference semantic, visual and web development front-end and back-end. @Edit Related: Is there any kind of dependency? To have the layout you need to have the template?…
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9
votes7
answers4205
viewsCount elements on the screen
I wonder if there is the possibility of me counting the elements on the screen, for example a function that lists the amount of <li> arranged on my website. How could I do that? And how would…
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9
votes2
answers2136
viewsWeb API x Webservices
Web API was created to better replace a Webservice? If not, what is the exact difference between the two and when to use one or the other?
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8
votes2
answers578
viewsPerl for web development
You can use Perl for web development? In this context, the language offers some benefit, that is, there are problems that it solves more effectively than on other platforms?
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8
votes3
answers524
viewsWhat is Front-end and Back-end?
I’m starting to study WEB and I still lack much knowledge, and early on I came across the terms that are highly used in this world of development WEB, who are Front-end and Back-end, I have read…
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8
votes2
answers621
viewsDynamic scheduling of tasks with spring batch + Quartz
I have a project in Spring Batch + Quartz, which loads a file and then processes the data from the file. Only that I wanted to implement a view with a form where I had the option to choose the start…
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8
votes1
answer975
viewsDo front-end or back-end processing?
In the client-side and server-side separation architecture, it is common to doubt who is responsible for some processing. On the one hand, processing on the client-side can be beneficial for…
web-application server-side single-page-application client-sideasked 6 years, 8 months ago vinibrsl 19,711 -
7
votes1
answer1390
viewsWhen should I use Data URI?
Date URI is that feature that allows me to place small images inline in CSS or HTML to reduce the number of requests. It is an alternative to CSS Sprite. I did some tests here and I really liked the…
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7
votes2
answers6202
viewsHow does the C++ layer work on the Web system?
I see that many complex web systems say in their "API" that they use C++ as the "lower" layer, I don’t know if the question is too wide, but briefly I believe it is possible to explain to me how…
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7
votes1
answer4784
viewsWhat does Cross-Domain mean?
Looking into it, I heard that Cross-Domain is an interaction between different domains. Even, I found a similar question in the SOPT itself, as link below. However, the concept itself was not clear…
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7
votes1
answer188
viewsSecurity, what threats besides an SQL Injection do I have to worry about a search field?
I’m getting deeper into web programming (with php) and I have this doubt, I’ve seen some similar things in some places, but going straight to the point I wanted to tell me what are the main security…
php web-application security-guard quest sql-injectionasked 8 years, 8 months ago Rafael Nobrega 194 -
7
votes1
answer1595
viewsIs it right to create my HTML tags?
I’m creating a website and I don’t really like adding classes and id’s because I think it makes HTML a little dirty. The system I am developing will not be indexed by the search engines, because it…
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7
votes1
answer5427
viewsHow to configure apache2 for python 3.5.2
I have been trying to study web programming with Python, but I can’t configure the server on my computer, can anyone help me? Whether it’s telling me how to set up or providing me with an already…
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7
votes1
answer1008
viewsWhat are the most common types of databases for web applications?
Some databases store objects, relational structure of tables, hierarchies, etc. What are all these types (models)? When is each application indicated (besides, of course, the developer’s…
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7
votes1
answer8313
viewsjQuery Mask plugin for CPF
I would like to know what I am doing wrong. I am using this plugin https://github.com/igorescobar/jQuery-Mask-Plugin to try to apply a cpf mask (need to be through CDN) but when I enter the data in…
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7
votes1
answer926
viewsWhat would be WSGI?
I was reading about the term WSGI to understand a little more the operation of web applications in Python, and I realized that some microframeworks like Flask uses this technology. However, I still…