Erudite - Viewing Profile

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Last Active:: Jun 19 2012 01:15 AM
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In Topic: Why uses TCP triple ACK's?

Posted 18 Jun 2012

I suggest you to read about "Windowing", this will open your horizon and will let you to find the answer. It is a part from " Flow Control "

You are thinking about 1 packet per send, but system doesn't work like this normally. A lot of packets are sent in one time and sender can know how many packets are gone from the ACK number, and if success is not %100 then it decreases the window size and send the packets again which were not successful with the new ones

http://www.tcpipguid...FlowControl.htm
In Topic: Is IP address of my laptop constant?

Posted 21 May 2012

GunnerInc, on 21 May 2012 - 02:28 PM, said:
To correct Erudite, there are Wireless ISPs nowadays.

thx, i know but the concept is different. i tried to give appropriate answer regarding to the question. thx again
In Topic: Is IP address of my laptop constant?

Posted 21 May 2012

cupidvogel, on 01 May 2012 - 11:09 AM, said:
Hi,this might look like a dumb question, but I have almost zero knowledge about networking, so please bear with me. Is the IP address of a computer constant? That is, suppose I am using a wireless Internet Service Provider and I find that my IP address is x. Then I disconnect from that provider, and I plug in another provider. Will my address this time be x, or it may or may not be x, or it will never be x? Please explain.

I see that none of these answers are clear especially for your question;

First of all, you have a wireless device ( maybe Ap, or maybe wireless router.... doesn't matter) but this doesn't make your Service provider wireless So here is the system;

You take an Ip address from your Internet Service Provider(ISP), and you use a kind of device to connect your computer to internet and which works like a road between your ISP and your computer, we call it "router" So your router is an actually a "gateway" and connects your network to another network (Internet). This how the system works...

Ip; your Ip address can be anything and is given by your ISP, but your gateway makes subnetting and creates a new block of IP addresses to let you to connect as many device as you want. otherwise, you wouldn't connect all our devices to your wireless router because you have only one IP in reality. but because your router created a block of IP addresses, you can... what do i mean ? disconnect your internet and look, your IP is the same because your router assigned it to your computer (host), but IP address which was given by your ISP will be gone, in other words no more internet. (so one is external and other one is internal IP address). generally internal (which was given by router to your computer) starts with 192.168.1.100 and can go up to 192.168.1.254 ...
In Topic: Which One?

Posted 31 Aug 2011

Serapth, on 31 August 2011 - 06:32 PM, said:
fromTheSprawl, on 31 August 2011 - 06:16 PM, said:
If you want to work on big games, learn C++ since it is considered as the most used programming language for gaming. If you want to start something small and try your hand first at game programming if you'll like it, you can use your C# knowledge to try and make XNA games which can be released to the XBox thing and the PC too. But I guess you could use C++ and try to create small games first, read something like "Beginning Programming in C++ Focus On Game Development". It will always start with numbers first on any language so why not use C++ and aim high,

'because failure after failure is not conducive to learning.

Telling people to learn with C++ is akin to telling people to learn mathematics by starting with high order calculus.

Seriously, ask people that have been doing *groan* serious programming *groan* for years ( not other people currently trying to learn to program ) what language to learn with. The vast majority will tell you NOT to learn with C++, at least the good ones will.

MOst of the universities(%95 ) teach programming on C or C++ at the first semester......... (so are these universities bad?) Failure is the result of being lazy.... C++ is not as hard as u think or C...

Look at this guy who is trying to write games on C after 6 months of programming experience age 16

http://www.dreaminco...nguage-allegro/
In Topic: Which One?

Posted 31 Aug 2011

Quote
C++ is a terrible beginners language for exactly this reason. As was just discussed in another thread, most of the books are awful and horrifically outdated. The tools are cumbersome and difficult to learn. The compile/link process is enough to bring most new developers to their knees, as is simply getting your bloody project to compile. All this before even getting into language specific issues, which again, are legion.

I just suggest you to ask to the serious programmers, "which language did they use before they were serious......." ( C , C++, Assembly....... ( most of them ) )

And C++ is a perfect way to learn programming from the beginning. the rest is just an excuse....