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I'm making an app using Unity3D, and I want to add some sort of virtual currency to my game. Although, I cannot figure out how to implement a virtual currency so that a user can still play without internet. I want the data to be hosted on my own database. The problem with that comes when my user does not have internet. How could I safely store a user's virtual currency when they go offline? I have looked a lot and could not find anything.
You could save datas on the device with SQlite database and then sync with the main server when it goes online.
Main server can be handled with Firebase or Google Games Services or other services.
You should add triggers to validate the amount to prevent hacking because datas stored on the device are not 100% safe.
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I'm currently learning WPF with the goal of making a simple app for a friend. This app will make use of a database and the PC were it will run won't be connected to the internet.
I know how to make a simple database using the server management studio, and how to connect to it in my code. But so far, all tutorials/docs I've seen only talk about making use of a database in my pc, but in the case when I finish said app, how I go about setting all of this up in his (or any other)?
The end goal is for the app to be 'plug and play' and that the database files can be easily backed up.
I don't expected a step by step process! Just some direction for where to look for would be more than enough... thank you.
Use an SQLite DB, can be part of the App
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I need to implement push technology in my application. I need to display data on the web page as it gets inserted in the database in real time.
I am using ASP.NET MVC with IBM Informix as backend database. I am trying to figure out if it is possible to use SignalR with Informix?
Does SignalR have any dependency on the backend database? Or could it be used with any database?
Signal R is a system for real time (ish) communication over an HTTP connection and your database is for data storage. The two are solutions to completely separate problems, and there is no dependency between them. You can write code to link up these two parts of your application.
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I'm building a C# application and would like to sell it for an audience. I would like to upload a database file into a website I own and give serial numbers to be verified first with this database file, once the database store the given serial and the first registered PC then it blocks this serial for other users.
Can anybody guide me on how to make such step during installation time? how I can connect to a remote database on a website to read and write?
Thank you for your time, really appreciate it.
If i understand you, this is what your looking for.
Using that you should be able to check a serial against the database.
One way to block the serials for repeated use is to couple a boolean "used" with a serial on each row. Then you can check both if the serial is found in the database, and if the boolean value is false.
Make sure to keep the input safe to prevent SQL injection.
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Can my software send information to my site and read information off my site?
Imagine that someone opens a copy of my software. The IP address of that device send to my site. So I can see if that person is a friend or not. If that person is not a friend, I will set a variable to false.
The software will then read it as false then the software will close out.
Is this possible to do? If so, how can I do this?
You need to add a web service on your site then you can call the service and get an answer. You can also create a simple web page that see a white page with the result true or false. Consider using a WCF service so that it can expand if you needed more in the future.
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I am planning to design a website which displays the live scores of matches(NBA, AFL) etc. I would like to get scores, store them in my database and then display in my website. How can I accomplish this. Thanks in advance.
Thanks,
Sandeep.
Well first you need to decide how you're going to get the data. Is there a webservice that you can query? A document/webpage you can parse to get the information? Are you going to write a speech recognition device to interpret results from the radio or will you type it in by hand.
Then you need to get your database up and running, and whatever is reading your data (maybe it could be a windows service) can write the data into the database. Something like SQLExpress is quite good to try out.
Once you've got that you'll need to decide on your technology, ASP.NET or Silverlight are some good examples. You'll want to create some controls and then databind to the results from your database, which you could obtain using SQL expressions.