Most voted "server-client" questions
The client-server model, in computing, is a distributed application structure that distributes tasks and workloads among providers of a resource or service, designated as servers, and service applicants, designated as clients.
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answers2395
viewsStrategy to find out if your web application is being partially or fully censored by an ISP
Question Like, conceptually speaking,it is possible to detect that a web application has been partially or totally blocked by an internet provider? Two situations that I believe could allow this…
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votes3
answers9326
viewsIs it possible to use Sqlite as client-server?
There is any technique or tool to use Sqlite using an architecture Client-Server instead of local access? Of course you would need a client library to communicate with the server. And a server…
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answers5531
viewsWhy use Javascript if there are so many other technologies to generate dynamic content?
Specialized technologies and programming languages for the Web, such as PHP, have as part of their set of roles, generate dynamic HTML content (the page will be presented by the browser according to…
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answers1395
viewsHow do I allow only certain applications to access my API?
I am developing an API using Express, which should be used only by an application in the browser, built using React and an application, made using React Native. The question is: how can I restrict…
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answer479
viewsSocket "cutting" bytes into two packets
I am developing a Socket communication of my program with the server. This server is responsible for bridging between my program and the users that are connected to it, that is, the user when…
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answers1355
viewsWhat is SSL Pinning?
I was recently watching a video that briefly mentioned the term "SSL Pinning" to describe a measure (understood by me as security) to establish a more secure and probably encrypted communication…
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answer730
viewsClient-Server Chat application with Sockets does not work
I’m doing a project and I got to the communication part between the server and the client and I couldn’t get the output I wanted (image output). The goal is for the server and client to communicate…
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answer982
viewsUpdating application(C#) in real time with Database (Mysql)
I am creating a server client application, the application would run on several machines using the same database(mysql) on an online server. I would like that once the data of a table were changed,…
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answer1276
viewsMulti Thread Socket Server - Java Server and C++ Client
I have to develop a Mini Server Socket Multi Thread (college work) in Java and need to make a Client in C, for example, can be in any language, but I chose these two. How do I send the Client values…
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answer15650
viewsWhat is an RTMP server and how to connect to it with Flash Sharedobject?
I need to create a file SharedObject Flash on an internet server for communication between several .SWFs. This communication needs to be fast and if possible in real-time. After some searches on the…
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answer486
viewsjavax.persistence.Persistenceexception (no security manager: RMI class Loader disabled)
I created a policy file that gives permission for my machine to run both the client and the server, I also passed the ports to them. Inside the server I prompt RMI Security (since if I remove it the…
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answer118
viewsAndroid Protection Reverse Engineering Client-Server
I see that it is very common applications Android (games for example) are modified through engenharia reversa. Even using obfuscação and other anti reverse engineering techniques, it is difficult to…
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answers273
viewsPHP: How is sending email via SMTP without the mail function?
I would like to know how is the implementation of sending email with SMTP. How is this communication made if the function mail is not used? How is the communication with server in this case? What…
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answer976
viewsHow do I make an application available only on my wireless network?
I’m developing an app, and I want it to only be available to devices connected to my Wi-Fi network. I can even leave running on my personal computer and access via ip, something like…
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answer850
viewsHow to integrate an Android application with a Python+DB server?
Good afternoon to you all! I am a student of Computer Science, but I haven’t had the opportunity to have a deeper experience with programming, involving the necessary integrations in applications…
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answer294
viewsC socket for Linux (how to pass a struct?)
I have a client/server application and need to transfer a struct to the server, but this way is not working: typedef struct{ int pontos; int vidas; int flagReiniciar; int flagAcabar; int…
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answers74
viewsClient-Server, Threads, client error while online
I’m developing an application cliente-servidor, the server has two threads (one in and another out) well-implemented. I walk the server (all right), I walk the first client and I put it online (all…
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answers629
viewsRecover Auto Increment Id from Datasnap Delphi XE3
Using Delphi XE3 / Datasnap with Firedac When I have the parent table saved on the server I want to recover the value that was added via auto increment in the parent so that I can inform this new…
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answer2236
viewsHow to leave my app open waiting for the server to send information
I’m creating a client app that once it changes the status of some component on the server the server will send to the client so that the user can view it. I need the app to be open by receiving…
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answer772
viewsWhat is the best way to make an AJAX request in Wordpress?
When I make an AJAX request in Wordpress I do it in two ways, but I would like to know which is the best. The two I know are: 1º) You put your function in functions, for example:…
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answer73
viewsTesting RMI with Junit
How to test a client/server application using RMI with Junit? I’ve searched a plethora of places and found nothing to help me.
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answers272
viewsServer nodejs stops accepting connections after a running time
I made an application to control simultaneous logins, in starts everything works perfectly, but after a few hours I can’t connect to the server the client returns me the following error…
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answers422
viewsApplication server
The client has no server (Windows Server or Linux) and does not want to host the system in a data center or in the clouds for example, and you want to use the system on an intranet. Currently 3…
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answer366
viewsJava: Problems with Wait() and notify()
Good evening, I’m doing a java project where I make connections between the client and a server. This client sends Messages to another recipient. It is up to the Server to handle this message by…
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answer48
viewsNullpointerexception when connecting the server
I am making a program in Java server/client. When I start the server class I see the error Exception in thread "Thread-0" java.lang.Nullpointerexception I leave the code below so you can help me…
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answers110
viewsLocal Network Android App
I would like to know where to start studying to create an app that works on a local network. I have a version of this App that works using Firebase with my online database. I wanted now to do…
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answers170
viewsHow to receive Client connections => Server, using vpn software?
I have a remote access software (Client / Server) and want to make the connection between the Client (connects to the Server using a host name) => Server using a vpn software on the Server side,…
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answers166
views(Socket) Client and Server Connection - how to get Cmd-> Client (Python) return
I want to execute a command in the client’s Cmd and return the values to the server. I Already Managed to Execute the command in the client’s Cmd... Now how do I return the values to the server? The…
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answer96
viewsCreating a CLI tool with NODEJS
I am learning how to create a tool CLI (Command-Line Interface Applications) and carried out the following steps: I created a folder and inside it in the terminal npm init--yes with that I generated…
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answer320
viewsPython - Local Multiplayer System
I’m trying to create a local multiplayer system, where will have a script for the "server" and several "clients" can connect. For now I will use in a simple test application, where users will create…
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answer111
viewsWeb Hosting or Streaming Hosting?
I am developing a project, in which the idea is to allow the user to hear (from a player -> plugin in javaSript embedded in the index.php page) the selected music... In order to provide a good…
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answers275
viewsHow to maintain connection between Android Java server client?
When I call the server I should receive a message saying that connected, only when I send a message to the server the application overflows. This is the code of the button to connect to the server:…
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answer1192
viewsHow to encrypt and decrypt data to be transmitted via sockets?
I have a program that logs in with my server, however the connection is without any protection. I looked for some ways to protect but it seems that some of them have a pass code on the client, but I…
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answers849
viewsRemote server/local server in PHP
One of the options to create a local web server is to use XAMPP (PHP, SQL). On a web server, I have to install XAMPP (or any similar suite) as well or it is only used on local servers?
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answer2796
viewsTransfer of python files, client-server
Guys I have a problem in my code, I need to develop an application that is able to send a file to a server and also be able to recover files from the server I’m using a tuple to send the data to the…
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answer2883
viewsHow do you make a socket that actually connects to other computers?
I tried to make a Python 3.5.1 socket, but when I went to test it only connects with me. I tried to connect to another computer (from my friend), but it does not connect. Does anyone know how to…
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answer61
viewsWhy does the server require open ports on an access modem but the client does not?
I had this question about how much I was thinking of creating a chat for direct communication between two computers whether local or remote. This will be my first study project where I apply network…
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answer58
viewsSegmentation fault in client/server implementation
Hello, I’m implementing the game 21(Blackjack) in C++ in a Linux environment, During the execution it presents the error Segmentation fault, the problem is that I am not able to identify the error…
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answer57
viewsClient-Server between APP trackeia real-time location
Hello, we have an app that sends every 15 seconds the location of users to the server. Currently it is a simple POST from (lat/lng) in the API, there would be another better way to do this? Some…
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answer79
viewsHow to check and uncheck the Telerik component Checkbox?
I searched the website of Telerik and not found where it shows how to do to enable the Checkbox (mark and unmark) of this component ? 'Cause I’m gonna need to update the profile by sending it to the…
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answer317
viewsIs it better to make a large request to the database or several small ones?
What is more recommended? I have a web system that on load of the ASPX page it feeds multiple controls with data from various tables of the database. It is better to do a search with a request…
database web-application server-clientasked 4 years, 11 months ago Luis Fernando Martinelli Ramos 23 -
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answers682
viewsTransfer of Socket Files c#
I have the following situation, I need to transfer an xml from one application to another via network (Socket) set up the methods of client and server which I will post just below, The file is…
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answer143
viewsBufferedreader always returns null
Although some questions already exist with similar subject matter, I could not get an exact answer, so I turn again to Stack. I’m developing a client-server system, I already had the project…
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answer459
viewsCreating a C#Client-Server architecture
I made a test application in N layers (access to Database, presentation, business (model) and transfer objects) worked quietly and learned a lot about 3 layers and N layers. Now I’m willing to do a…
c# .net software-architecture services server-clientasked 5 years, 11 months ago Samuel Vincenzo 35 -
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answers121
viewsRequest for PHP service
I am doing a Client/Server exercise, I have an sql with multiple product records and I can LIST ALL, FILTER BY PRICE and FILTER BY CODE, but when implementing the service of changing stock, it does…
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answer119
viewsHow to authenticate on a server site?
There is a login area on this website "https://id.nintendo.net/login" and would like to know if it is possible to log in via . NET or via client using post or something like.…
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answer61
viewsAccessing the server via linux
I would like with my Java application (netbeans) to access the database that is on the server, but this has become complicated, because it is through a Linux machine. Could someone explain to me how…
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answer1885
viewsWebservice almost 100% (Rest/json)
I have a problem that I can not solve T_T, after many searches I created a web service (test), to be consumed by an android application. The only function of it is to return a String, but I don’t…
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answer1217
viewsOnline Server and Unity 3d
Considering a game created on Unity-3d . What We Should Know to Make You an Online Multi Player?…
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answer309
viewsHow to save Cookies permanently and retrieve them later? [Android]
I have an app Android that makes a request to a Web server and later saves three Cookies in one CookieStore. In the meantime, I’d like to store these Cookies so that when the application is…