Most voted "back-end" questions
In software projects, back-end is the part of the software system that interacts directly with the server. If the question is not about "back-end", do not use this tag, even if you are using "back-end" in your project.
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17
votes3
answers5190
viewsWhat is the difference between Graphql and REST?
People have commented a lot about the use of Graphql and with that, some comments that will replace this rise that we have of REST API’s. What is the difference between the two (Graphql and REST)?…
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11
votes2
answers19595
viewsHow to use a variable contained in another PHP page?
Hey, guys, good afternoon. How do I use a variable from an X.php file on the Y.php page ? I want to do the following for example: <?php $Frase = "minha frase"; ?> On my Y page I want to get…
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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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7
votes1
answer765
viewsWhat are the advantages and disadvantages of using Baas
Yesterday I attended a lecture where I was presenting some things about BaaS(Backend as a Service). After that some doubts arose: Following this model the need to create a back-end for complete is…
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6
votes1
answer4503
viewsStructure of MVC Folders
Hello. I am wanting to build my own application using the MVC standard. I understand the separation of each item(Model, View and Controller). But I want to make some sort of separation between the…
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5
votes2
answers1163
viewsSecurity Application Angular
I have questions about safety, I will exemplify : In my front, in my controller have that method: $scope.getAllpessoaGrid = function (strPesquisa, tipopessoa) { $scope.progressbar.start();…
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4
votes5
answers1744
viewsDifference between back-end and front-end?
Guys, there’s a home page that has 3 filters: (select) Property Type: House or Apartment (select) Business Type: Purchase or Rent (input) City or district The person enters with the 3 search…
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4
votes1
answer14830
viewsError 503 Backend fetch failed
Sometimes I get this error when I am developing some application in wordpress, someone knows tell me the reason???…
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4
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answer2404
viewsCan we develop a 100% Javascript/HTML/CSS web application without backend?
I am a developer backend Java and always used Javascript on frontend for the purpose of giving dynamism and better interaction to HTML pages (I have always developed corporate systems). Is there any…
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3
votes1
answer4084
viewsBack-end applications with Node.js
I’ve seen some lectures on the Node.js, its capacity, usability, market, etc... But all this information was very "scrambled" for me, and I always had a somewhat vague thought about it. What I know,…
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3
votes3
answers1393
viewsWhat do I need to know to work with C#backend?
What are the main technologies, tools, finally, what is needed to work with backend using C#?
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3
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answers98
viewsNowadays.. How far does the front end go?
before marking as duplicate of the following question Difference between client-side and server-side. Let’s look at some facts. The previous question is from 2013 or 4 years ago, long before the…
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2
votes1
answer109
viewsIs there a back-end service that responds to SMS messages?
I’m doing research on back-end communication operations that use SMS messages to interact with users. I couldn’t find anything relevant on Google that explains clearly how this service works. Would…
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2
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answers2443
viewsreq.Session in Node.js
I would like to know how the basic req.Session structure of Node.js. Is it native to Express or express-Session? Please help me understand more about sessions.
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2
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answers195
viewsRSS images do not appear in Wordpress
I’m trying to pull a RSS from another website wordpress, to mine which is also wordpress. The written content appears normal, but the thumbnail photo does not appear. Could someone tell me if it is…
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2
votes1
answer85
viewsRandom selects with PHP and Mysql
Are there any way to make random selects with php and mysql. Example: 1- I have the chart carreta_furacao: id----nome 1----Fofão 2----Capitão América 3----Popeye 4----Mickey 5----Palhaço 2- In PHP I…
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2
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answers586
viewsScope between variables - Javascript
Hello! I’m studying Javascript and I have a question. I come from a world called Java and there are private access modifiers, protected, public and even variable without modifier declaration; and…
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2
votes1
answer1006
viewsControllers and Routes in Node js
I wonder if it implies any difference between using only routes, or routes with controllers in the Node js, could someone give me some example of how to implement routes and controllers on Node…
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2
votes2
answers289
viewsExpress How to make a div appear only if the user is logged in?
Well, I just made the registration on my site and I would like that when the user logged in the login and registration links disappear and in the place appears a div with a drop menu showing links…
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2
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answers92
viewsIs it correct to mix PHP code with HTML?
I am restarting my studies in the area of IT and I have this doubt. In the course I’m doing the examples show the php code mixed and inserted into the html code. Is that really how it works in…
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2
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answers582
viewsDisplay a blob image in JS
I need to display images that are saved in the database (Firebird) in Blob and I’m not able to go through with this. is returned a BD Function this Function is read according to the function below.…
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2
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answers157
viewsApi returns data correctly when requested by localhost but not by ip
Yesterday I did this question: I made a REST api using Laravel, to an application that I’m doing , to perform the requisition tests I created a VM where is the api. Assign a fixed ip to this VM and…
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2
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answer115
viewsHacker attack on the site panel
I installed the Wordfence plugin and every day I get hacker attack report to wp-admin/site dashboard. I decided to change the admin address with the plugin Protect WP-Admin, like this:…
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2
votes1
answer524
viewsError creating a fopen file
When trying to create a file in JSON format with fopen I am returned a permission error with the following message: Warning: fopen(/json/9.json): failed to open stream: No such file or directory in…
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2
votes1
answer104
viewsError in Reload, ts-Node-dev and Prismaclient
Good afternoon my friends, all in peace? I’m having to migrate a small API to Prisma by removing Typeorm. Well, so far I have been able to install and run smoothly, MAS (normal, kkkk). I noticed…
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1
votes1
answer55
viewsSelect Block/Page button in Widget Properties does not appear
good afternoon! Something like this has happened to you? Brand new host, from Godaddy. Installation 0km... When I create a widget, after selecting the type and template, I can’t select Block and…
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1
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answer39
viewsBackendless - Composition of table id
Hello! I created a table on Backendless and I wonder if I can compose the table id with 2 fields as in a SQL table. It is possible?
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1
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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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1
votes0
answers162
viewsHow does hybrid app that runs on Node.js work?
How the back-end issue works with Node.js in a mobile app? You can use the Phonegap Build service that compiles my application for the desired platform (Android or iOS for example). But what about…
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1
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answers41
viewsHow to choose which is the key of the PHP array and not that pattern (0 => ... 1 => ... 2 =>... )
The thing is, I’m making a small system where the person can include in an array the desired products, he clicks on the "Insert" product button and some information is collected from that product…
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1
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answers29
viewsRoute to Many-to-Many relationship
I have a related REST API question, if anyone can help, thank you very much. I have two entities, Product and Store, which has a Many-to-Many relationship between them. A Product may be available in…
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1
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answer48
viewsError after performing Migrations (backend .Net)
My backend is built in . NET, and when including a certain table in the solution, I appeared the following error: Cannot create more than one clustered index on table 'dbo. Favorit'. Drop the…
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1
votes1
answer447
viewsHow to generate JSON dynamically to feed future application?
What I want to do is this: Create a minimalist application that does a database search, returns the result in JSON, and this result is interpreted by external applications via http, with no change…
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1
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answer1167
viewsFilter with Node.JS
I have a list of items saved in a Mongo collection, I would like to know how to filter the original array. Follows the code api.filtra = function (req, res) { model.find() .then(function(itens) {…
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1
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answers104
viewsForce Google indexing on DNS forwarding
tl;dr: Redirect via DNS. User is redirected to our hosting. Googlebot ignores and indexes the original hosting. In our hosting we put the site files a domain that is being taken care of by another…
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1
votes3
answers53
viewsHow to display the current date while loading the page
I’m willing to display the current date on a particular div while loading the page, I have already made a working sketch of the code, but I am using the button. I followed the code: function…
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1
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answers15
viewstake a click event and send it to the backend
Hello I have a question wanted to know how to capture a click event and send to the back end, I thought to do with routes but I think it would not be cool, I am using Node
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1
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answer1776
viewsProblem with CORS in React application
I have an application that requests a JSON via Xios. It follows the function axios.get("http://localhost/teste.json") .then((res) => { this.setState({value: res.data.tgt.screenPosX})…
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1
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answers1407
viewsUncaught Error: Call to a Member Function fetch() on Boolean
I have a problem in a project. I can not solve, was running the same code until yesterday. Simply today, no longer works. I will send here the function that is a select in the database. Thank you.…
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1
votes2
answers58
viewsCreation of local server with express
I installed the framework express in my root folder with all projects on Node, so it was easy to import the modules in all projects. But when I try to start a local server, with the following scope:…
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1
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answer118
viewsI’m having a stupid question, but it’s been a while and I don’t know how to solve it. (Mysql)
I was trying to create a table in mysql, simple, but it was giving an error. I decided to download an ide (Dbeaver), it kept giving error, so I downloaded Mysql Workbench and it does not generate…
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0
votes0
answers125
viewsHow can I change rewrite base using . htaccess, from my root directory to a folder?
My problem here is that I have a folder called "project" on my server, for a CMS that I use. However, when I click on a link that is in the file for example about.html, it loads a file out of the…
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0
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answers32
viewsIs it better to leave logic in PHP or Database?
I am creating an application together with another person, she thinks it is better to put all the logic of the system directly in the database (Mysql), under the pretext that it will help if we use…
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0
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answers30
viewsHow to list post from other wordpress sites on a wordpress site on other hosting?
I need to list the last two posts of another Wordpress site that is on another server. I have access to the Server of this other site that I want to get the posts. I tried to pull via RSS, however,…
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0
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answers37
viewsRss does not return Thumb in wordpress
Guys, I’m trying to list posts from another site via RSS. Everything appears except the images Thumbs.. My result and code is this: NOTE: I have access to the server of the files where I want to…
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0
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answers20
viewsCodeigniter, code with small bug
I am following this tutorial on codeigniter: http://www.dicascodeigniter.com.br/mini-crud-com-codeigniter-3-e-bootstrap/ When downloading and running the project, he presented me the following…
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0
votes1
answer146
viewsImage Upload
I don’t have as much knowledge in the back-end area, but I need an image Uploader, I looked for a way that doesn’t use a database, but I believe it’s impossible. I need a similar Uploader to the…
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0
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answer504
viewsBring external domain (Registration br) to Azure
I’m new to this, so go: The following is, I have a domain already acquired in the br registry, example.com.br (is an example). I did the entire git sync process on Azure. I would like from this…
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0
votes2
answers112
viewsDoes the back-end language change the way an application is developed?
I have a project where I need to build a hybrid application using a back-end in Delphi. But before embarking on the project I need to ask some questions, because I never worked with Delphi. Normally…
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0
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answers211
viewsProblem with hibernation and JPA
It’s a WS REST, he should return a donor, but he’s making an exception... Console: set 22, 2016 3:37:15 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {5.0.1.Final} set 22, 2016…