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I'm planning to make a multiplayer card battle game using Libgdx for the web, it uses the GWT engine for web deployment.
Is this engine secured? Can it be hacked? I don't want to waste my time learning it only if it will be hacked later on.
Thanks.
There is no engine as such. GWT compiles Java code to javascript which is then downloaded and run in the browser. By default this is obfuscated. It is difficult to modify but as the code is available in the browser it is theoretically possible to reverse engineer and modify it.
GWT puts no restrictions on how you implement server side web application code. It provides libraries to help with client to server RPC which you may choose to use or not. That means the server side security is down to you and is as secure as you want to make it.
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Hey I'm Building a small UI based game of tic-tact-toe.
it is currently local play, but i will want to add an online mode in the future.
what should i consider when building core functionality, so adding the online mode won't force me to change the implementation of the core game ?
Thanks
By implementing a client-server model from the start.
This means, regardless of local or play over the internet you'd always run a server in the backend.
At the start, you spin up a local server. This has the core of the gameplay. The 'Game' then is nothing more than a simple viewer application which acts as a client and calls the server api for any game logic.
Popular games like minecraft do the same. When starting multiplayer, a local server is used and when playing online, the local server is simply changed by a remote server.
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I didn't know how to exactly name the title, but basically what I wonder is, how i would go about developing an UI5 application outside of my company, for the club I am in.
I do develop SAP UI5 applications at work, but there I have my odata pointing to the SAP backend and know everything I have to do there.
But with a "non work" application (for free + no issue with licensing when using it for my club (non profit)) I am wondering how exactly I would do that.
What IDE do i have to use (SAP WebIDE is out of the question I think)
I assume I need to use openUI5?
What Database can I use?
How does the connection between the database + frontend exactly work?
How does the transfer between frontend + backend work? also odata?
I think that's the basic questions for now I am curious about :)
Maybe anyone has done this too, from "work" development to a "private non work" development?
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I am sorry about this question but I am new to mesos and I am curious to know, how should I go about building my own mesos framework. Any step by step guide or good resources would be much helpful.
You should start with docs. There is whole Developing Mesos Frameworks section about developing own framework.
New approach in developing frameworks is to use HTTP API which provides more features (like reverse offers) so definietely read about scheduler and executor HTTP API.
Of course taking a look on other frameworks will be good point to start. Depending on your need this could be Aurora, Fenzo, Marathon. Whole list is here
There is a framework to build Mesos frameworks called Mesos-starter.
If you want to use native API there are official bindings for C++, Python and Java but there are unofficial bindings for other languages like Go, JS or Clojure.
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I want to create a REST based chat application in Java using Eclipse, but I have no idea how to start. How do I take care of resources, verbs, and HEATOS.
Check out this link, or this link, or this link. I would personally recommend Jersey. restelt is very powerful, but might be quite complicated. RESTeasy has more features than jersey, but it can also be a pain to configure outside JBoss, and their community is not as 'active'. I would recommend Jersey, their startup tutorial is very easy to follow.
You can also look at this book, and this book. Sorry, I can't provide any hard answers as I have no knowledge, your level of expertise on the subject. Hope this helps.
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i wanna to know what the technology must i do when i want to create an application like:
real time application ?
multiplayer in game ?
sometimes i'm read this article keep alive.
what is that support in socket TCP ?, i'm already read server push but is many example work under HTTP, how about in TCP like create a socket TCPServer and TCPClient.
There isn't just one "go-to" technology for making real-time / multiplayer gaming applications. You have to understand a multitude of different programming realms like graphics manipulation, threading, networking(TCP,etc). I would say it would be good for you to pick up a book on game development and design at your local library, bookstore or on the web. You also want to decide where and how you want to run the game. If you are going for a desktop application you are probably going to want to use a language like Java or C++/C#. For web applications Java and Flash are historically the way to go, and there is even a growing case for games written primarily in javascript (presumably with a .NET/PHP back-end).
If you want to jump right in you might try a framework like Unity which I believe is based on Microsoft's .NET framework. This tool has a lot of things built into it which would help you get started.
I know that is not a lot of specific information but hopefully it points you in the right direction.