Help with j2me concept

I still not very clear about http and tcp? Is taht i can choose whether use http or tcp connect to the game server?
If i use http server and i want to play a multiplayer game with my oppnent. I will send an invitation to the game server.How do the game server inform my opponent?Is that my opponent will always polling from the server although the game haven't start?Isn't that my ooponent will poll from the server jz only the multiplayer game between us start?
Where can i find a http server and tcp server?IS tomcat a http server?Then, where can i find a tcp server?

Is taht i can choose whether use http or tcp connect to the game server?A tcp implementation would obviously perform better, but many phones don't support tcp. So if you want to support all these phones you have to fall back to an http implementation.
Is that my opponent will always polling from the server although the game haven't start?Yes, both players poll the server all the time.
The server, for every time a clients polls it, would run something like:
if this client have a game open then send a game update
else if someone invited this client then send invitation
else send available player list.
shmoove

Similar Messages

Help with J2ME streaming

Hi,
My name is Constantinos Loizou and I am a student and currently developing a project for my Master's degree.
I need to stream audio and/or video to a PDA device. There is a trick here which is:
The PDA must receive the stream from a multicast address. For this I have implemented a Bridge application which joins the multicast group on behalf of the PDA and receives the Multicast RTP packets (which are sent from JMStudio) and Unicasts them to the PDA.(HP iPAQ) I had no problem implementing this. The streaming is done using JMStudio player which encodes the streaming audio data into a number of encodings (DVI/RTP in my case). I choose DVI/RTP and stream a .wav audio file.
Now I have to accept the packets and play the stream on the PDA.
The j2me application receives all the RTP packets successfully and I can extract usefull information from the packets such as: Timestamp, sequence number, payload type. The payload type is 5 which means it is a DVI4 encoding therefor the packets are accepted without any problem. I then save the data of the packet into a byte[] array and in regular intervals (50 000 bytes) I load them into a new ByteArrayInputStream(buffer); When I try to load the BytearrayInputStream and open it with a player I get the following error message:
javax.microedition.media.MediaException: Failed to realize Player: Malformed wave media: expected 'RIFF'
at com.sun.mmedia.WavPlayer.doRealize(+160)
at com.sun.mmedia.BasicPlayer.realize(+84)
at src.ViewVideoCanvas.run(ViewVideoCanvas.java:112)
The command I run is: player = Manager.createPlayer(input, "audio/x-wav");//create new player
And the error occurs on player.realize();
I believe that this happens beacause the data is encoded to DVI/rtp. I have searched a lot and found the algorithm of decompressing the DVI data but again I get the same error
Anyway, this is a brief description of my problem and I hope you can help me.
Contact me for any more details or help you can provide (code sammples, decoding algorithms and implementations in java)
Thank you
Constantinos Loizou

Hi my name is shaun benjamin and I am sorry I dont have the solution to this problem but could you please do me a fovor. I am looking for j2me source code for an audio streaming midlet tha can stream mp3 or wav. Could you please kindly send me some source code because I am not too fimiliar with j2me and am learning.

Need help with logo concepts?

Okay, so you have a good idea, but only some rough sketches or scans of your doodles? Post them here so people can pick them up and work on them.
If you have a good design that works for you, but are unable to create all the variations (negative, black, small, big, with sugar and creme), post them here and e-mail an artist to help you out. Or simply wait for someone to pick it up. Describe the problems you are having.
Not happy with the design, but want some advice on how to fix it? Post it here as well.
Anything else that comes to your mind? Post it here. Just don't post if you have no artwork to show, okay?

There is an entire thread about the actual goal of the concept.
http://bbs.archlinux.org/viewtopic.php?id=38051
Basically, everyone is encouraged to redefine Arch from any number of POWs. From what I remember, we have mentioned the following:
1. arch is simply an arch, as in http://en.wikipedia.org/wiki/Arch
2. if (1.) then, there could be two possibilities:
2a. an arch like the St. Louis Arch (http://en.wikipedia.org/wiki/St._Louis_Arch)
2b. an arch like the Arc de Triomphe of Paris (http://en.wikipedia.org/wiki/Arc_de_Triomphe)
3. archer, archery, the arrows
4. any kind of modified letter A
5. arch as in principal, chief (arch nemesis, not necessarily in bad sense, this is what Judd picked when he named our distro)
6. Arhc's energy, speed, lighness (both in a mix or as separate concepts)
6a. speed and lightness as in light design, light colors
6b. energy as in Sun
6c. stability as in a boat on a fast-flowing river (canoe, rafting)
7. penguins are boring
8. Arch is inviting (soft, subdued colors and soft shapes)
The color scheme could be blue or anything else. Some suggestions were BLUE (d'oh!), PURPLE, YELLOW, BLACK, EMERALD, GRAY...
Matt3o gave us a nice overview of colors used by different distros and suggested we try colors that are not used that often: http://bbs.archlinux.org/viewtopic.php? … 87#p290287
Tango theme is considered an optional element, and the logo should not try to follow the Tango specs. The reason is that Tango themed stuff tend to look like icons rather than logos.
I have collected logos from lots of distros (364 of them to be precise) and posted them in a gallery for on-line viewing:
http://archlinux.team88.org/main.php?g2_itemId=13
You can also grab the whole bunch in a .zip file from here:
http://foxbunny.team88.org/arch/linuxlo … -logos.zip
Things to avoid:
1. penguins
2. overly complex designs
3. http://bbs.archlinux.org/viewtopic.php? … 42#p290342
4. warm colors (people are generally okay with blue, whereas some people may show much resistance towards the red part of the spectrum: reds, oranges, browns, yellows)
5. @ symbol (already used by a different distro)
Color is subjective, so not every color works for everyone the same way as with you.
Just remembered something: FONTS. The current "archlinux" logotype uses a non-free font that cannot be used for many things people might like to use them for because of the licensing issues. You are free to find any alternative font if you think it would work better with your concept. However, designing the logotype is not a requirement. You may also design a logoless concept that uses only the logotype. But keep in mind that there are not many such designs in the Linux world. Examples of such designs in the IT world however are not few: IBM, HP, Microsoft, Solaris, Novell, Sony, NEC, etc. They all use a logoless approach with the exception of Novell, who uses "N" as a logo.
Last edited by foxbunny (2007-10-25 16:50:43)

Help with j2me games

I'm a student that needs help for my school thesis.I'm new to j2me. I'm trying to develop a multiplayer game via GPRS. i have a few general question to ask.I',m doing a round robin game.
1) I saw in the nokia forum about the http server and tcp server. What is the main difference?Isn't the internet stack is divided to application, transport and network layer and so on?why will have http server and tcp server?isn't that tcp connection also implemented in http server?
2) In the http server, the server won't start a connection with the client. If i send a http request to the server to start a new game with my opponent, how do the server will nodify my opponent?My opponent don't know i'm sending a game to him.
3) Is that tcp server has already successfully implemented now?Is there any free tcp server or i need to code it in J2se?
4) Is that using WAP or IP router to send the internet stack to the server?Which 1 is better?

internet stack is divided to application, transport
and network layer and so on?Yes, but a mobile might not have a IP stack, instead a simple connection to a proxy server, which "talks" to the net.
how do the server will nodify my opponent?My opponent
don't know i'm sending a game to him.Perodic updates (polling).
3) Is that tcp server has already successfully
implemented now?I dont understand the question. Has anyone used TCP/IP on mobile phones (as client software), yes me: http://j2mevnc.sourceforge.net
Has anyone used the serversocket. Other than demo-ware, not that I know of, not many phones support socket://, let alone serversocket://
4) Is that using WAP or IP router to send the internet
stack to the server?Which 1 is better?Depends on your need.

Help with J2ME installation !

Hi all,
I am a complete newbie to J2ME.
I need to start working small applications for Ericsson K750i as a part of my project.
Can anyone let me know which package I will need to install to be able to write apps for k750i ? Is it the Java Wireless Toolkit that I need ?
All help much appreciated.
Thank you.

First of all I'd suggest you read through MIDP 1.0a and 2.0 specs (see http://www.jcp.org/). This will give you overview of what to expect from J2ME. Additionaly you could read Bluetooth API spec and others.
For books, Core J2ME by John W. Muchow (http://www.amazon.com/exec/obidos/tg/detail/-/0130669113/002-3226980-2560825?v=glance) is a good starter. If you require it, check out also J2ME Game Programming (http://www.amazon.com/exec/obidos/tg/detail/-/1592001181/002-3226980-2560825?v=glance)
Hope this helps,
Peter

Help with j2me

Hello,
I'm have to develop an application for win CE and I don't know how to start!
Can somebody help me?
I think I need the CDC
a jvm for my desktop computer and another one for my device (here I have my main problems: in sun the only one that I found is some years old and the other ones
are not free!)
May be I need also an emulator if yes which type? If found palmos emulator, but I'm not
sure if it's the one that I need).
Thank you in advance for all your tips and advices...I'll really need them!

Is taht i can choose whether use http or tcp connect to the game server?A tcp implementation would obviously perform better, but many phones don't support tcp. So if you want to support all these phones you have to fall back to an http implementation.
Is that my opponent will always polling from the server although the game haven't start?Yes, both players poll the server all the time.
The server, for every time a clients polls it, would run something like:
if this client have a game open then send a game update
else if someone invited this client then send invitation
else send available player list.
shmoove

Need help with J2ME

i'm trying to make simple apllication for my handphone. is there anybody know where i can find some example?
ASAP
[email protected]

{color:#ff0000}Cross posted{color}{color:#0000ff}
http://forum.java.sun.com/thread.jspa?threadID=5223452
http://forum.java.sun.com/thread.jspa?threadID=5223445
{color}
{color:#000080}Cross posting is rude.
db{color}

Help with "owned" variables concept in WPF

I'm trying to move from WinForms to WPF and so far it's been going well. I'm struggling with the concept of updating variables from events in my code behind. It says that it was created or owned by another thread. Basically in my code all over the place I am
having to put:
this.Dispatcher.Invoke((Action)(() => { //Code Here }));
Generally this is happening from an async call to update some data.
Am I doing something fundamentally wrong in my design?
If this snippet of code is the solution, how do I understand without the runtime compiler telling me, when I should be doing it?
Can you explain what is happening with the Dispatcher.Invoke ((Action)(() =>{}));
My thinking so far
(Action) is casting the (() => {}) to an action object
() is creating a nameless function?
=> {} define the function right here, we could have pointed to a real function if we wanted.
Thanks for any education you can give me.

The thing is that you can only update a UI element on the thread on which it was created. This rule applies to both Windows Forms and WPF. Please refer to the following great article for more information about the threading model in WPF:
https://msdn.microsoft.com/en-us/magazine/cc163328.aspx. You should only create UI elements (TextBoxes, Buttons, etc.) on the UI thread and not on any background thread.
>>Can you explain what is happening with the Dispatcher.Invoke ((Action)(() =>{}));
The delegate (Action) that you pass to the Invoke method will be executed on the UI (or dispatcher) thread. Please refer to the above article for more information.
>>If this snippet of code is the solution, how do I understand without the runtime compiler telling me, when I should be doing it?
The Dispatcher has a CheckAccess() method that returns false if you are required to call the Invoke method, i.e. if the current thread doesn't have access to the UI object. You could just call this one before you call the Invoke method:
if (!Dispatcher.CheckAccess())
Dispatcher.Invoke(new Action(() => { }));
Hope that helps.
Please remember to close your threads by marking helpful posts as answer and then start a new thread if you have a new question. Please don't post several questions in the same thread.

J2EE with J2ME ... Please help

Hello All,
I want to know if it is possible to make J2EE application communicate with J2ME application?
Actually I have developed a web application (J2EE application) which is needed to be run/accessed on a Tablet PC.
I am also supposed to provide Ink Enabled Control for some of the functionalities for this Web Application.
So, is this possible? If yes then can you please provide me some references for the same?
It would be a great help if you can share your thoughts on this issue.
Thanks in advance.
Twinkle

Here is a link to a section in the Swing tutorial that shows you how to use text components (JTextField, JTextArea, JEditorPane, JTextPane):
http://java.sun.com/docs/books/tutorial/uiswing/components/text.html

Help with encapsulation and a specific case of design

Hello all. I have been playing with Java (my first real language and first OOP language) for a couple months now. Right now I am trying to write my first real application, but I want to design it right and I am smashing my head against the wall with my data structure, specifically with encapsulation.
I go into detail about my app below, but it gets long so for those who don't want to read that far, let me just put these two questions up front:
1) How do principles of encapsulation change when members are complex objects rather than primitives? If the member objects themselves have only primitive members and show good encapsulation, does it make sense to pass a reference to them? Or does good encapsulation demand that I deep-clone all the way to the bottom of my data structure and pass only cloned objects through my top level accessors? Does the analysis change when the structure gets three or four levels deep? Don't DOM structures built of walkable nodes violate basic principles of encapsulation?
2) "Encapsulation" is sometimes used to mean no public members, othertimes to mean no public members AND no setter methods. The reasons for the first are obvious, but why go to the extreme of the latter? More importantly HOW do you go to the extreme of the latter? Would an "updatePrices" method that updates encapsulated member prices based on calculations, taking a single argument of say the time of year be considered a "setter" method that violates the stricter vision of encapsulation?
Even help with just those two questions would be great. For the masochistic, on to my app... The present code is at
http://www.immortalcoil.org/drake/Code.zip
The most basic form of the application is statistics driven flash card software for Japanese Kanji (Chinese characters). For those who do not know, these are ideographic characters that represent concepts rather than sounds. There are a few thousand. In abstract terms, my data structure needs to represent the following.
- There are a bunch of kanji.
   Each kanji is defined by:
   - a single character (the kanji itself); and
   - multiple readings which fall into two categories of "on" and "kun".
      Each reading is defined by:
      - A string of hiragana or katakana (Japanese phoenetic characters); and
      - Statistics that I keep to represent knowledge of that reading/kanji pair.Ideally the structure should be extensible. Later I might want to add statistics associated with the character itself rather than individual readings, for example. Right now I am thinking of building a data structure like so:
- A Vector that holds:
   - custom KanjiEntry objects that each hold
      - a kanji in a primitive char value; and
      - two (on, kun) arrays or Vectors of custom Reading objects that hold
         - the reading in a String; and
         - statistics of some sort, probably in primitive valuesFirst of all, is this approach sensible in the rough outlines?
Now, I need to be able to do the obvious things... save to and load from file, generate tables and views, and edit values. The quesiton of editting values raises the questions I identified above as (1) and (2). Say I want to pull up a reading, quiz the user on it, and update its statistics based on whether the user got it right or wrong. I could do all this through the KanjiEntry object with a setter method that takes a zillion arguments like:
theKanjiEntry.setStatistic(
"on",   // which set of readings
2,      // which element in that array or Vector
"score", // which statistic
98);      // the valueOr I could pass a clone of the Reading object out, work with that, then tell the KanjiEntry to replace the original with my modified clone.
My instincts balk at the first approach, and a little at the second. Doesn't it make more sense to work with a reference to the Reading object? Or is that bad encapsulation?
A second point. When running flash cards, I do not care about the subtlties of the structure, like whether a reading is an on or a kun (although this is important when browsing a table representing the entire structure). All I really care about is kanij/reading pairings. And I should be able to quickly poll the Reading objects to see which ones need quizzing the most, based on their statistics. I was thinking of making a nice neat Hashtable with the keys being the kanji characters in Strings (not the KanjiEntry objects) and the values being the Reading objects. The result would be two indeces to the Reading objects... the basic structure and my ad hoc hashtable for runninq quizzes. Then I would just make sure that they stay in sync in terms of the higher level structure (like if a whole new KanjiEntry got added). Is this bad form, or even downright dangerous?
Apart from good form, the other consideration bouncing around in my head is that if I get all crazy with deep cloning and filling the bottom level guys with instance methods then this puppy is going to get bloated or lag when there are several thousand kanji in memory at once.
Any help would be appreciated.
Drake

Usually by better design. Move methods that use the
getters inside the class that actually has the data....
As a basic rule of thumb:
The one who has the data is the one using it. If
another class needs that data, wonder what for and
consider moving that operation away from that class.
Or move from pull to push: instead of A getting
something from B, have B give it to A as a method
call argument.Thanks for the response. I think I see what you are saying.. in my case it is something like this.
Solution 1 (disfavored):
public class kanjiDrill{ // a chunk of Swing GUI or something
     public void runDrill(Vector kanjiEntries){
          KanjiEntry currentKanjiEntry = kanjiEntries.elementAt(0); // except really I will pick one randomly
          char theKanji = currentKanjiEntry.getKanji();
          String theReading = currentKanjiEntry.getReading();
          // build and show a flashcard based on theKanji and theReading
          // use a setter to change currentKanji's data based on whether the user answers correctly;
}Solution 2 (favored):
public class kanjiDrill{ // a chunk of Swing GUI or something
     public void runDrill(Vector kanjiEntries){
          KanjiEntry currentKanjiEntry = kanjiEntries.elementAt(0); // except really I will pick one randomly
          currentKanji.buildAndShowFlashcard(); // method includes updating stats
}I can definitely see the advantages to this, but two potential reasons to think hard about it occur to me right away. First, if this process is carried out to a sufficient extreme the objects that hold my data end up sucking in all the functionality of my program and my objects stop resembling natural concepts.
In your shopping example, say you want to generate price tags for the items. The price tags can be generated with ONLY the raw price, because we do not want the VAT on them. They are simple GIF graphics that have the price printed on a an irregular polygon. Should all that graphics generating code really go into the item objects, or should we just get the price out of the object with a simple getter method and then make the tags?
My second concern is that the more instance methods I put into my bottom level data objects the bigger they get, and I intend to have thousands of these things in memory. Is there a balance to strike at some point?
It's not really a setter. Outsiders are not setting
the items price - it's rather updating its own price
given an argument. This is exactly how it should be,
see my above point. A breach of encapsulation would
be: another object gets the item price, re-calculates
it using a date it knows, and sets the price again.
You can see yourself that pushing the date into the
item's method is much beter than breaching
encapsulation and getting and setting the price.So the point is not "don't allow access to the members" (which after all you are still doing, albeit less directly) so much as "make sure that any functionality implicated in working with the members is handled within the object," right? Take your shopping example. Say we live in a country where there is no VAT and the app will never be used internationally. Then we would resort to a simple setter/getter scheme, right? Or is the answer that if the object really is pure data are almost so, then it should be turned into a standard java.util collection instead of a custom class?
Thanks for the help.
Drake

Where can I find a good tutorial for mobile game developement with J2ME ?

Hi All,
I'm completely new to J2ME programming. But I have past experience on J2SE developement. Now I would like to know that where can I find a good tutorial for mobile game developement with J2ME ?
I'll be very greatful if I can find a useful step-by-step tutorial (eg. "The Java Tutorial" for J2SE)
Please point me ot the direction.
Thanks
ZuriJAckshoT

ibook-widgets.com have a free tutorial book in the iBooks store. Search for "Create your first interactive book using iBooks Author" they also sell widgets.
I dont have any connection - I found their eBook in the store long ago and used it to learn more about iBA.
The best advice though, is be patient, go back over the process step by step, I cannot access the Help files for some reason.. but i am sure its in their.

Need help with overlapping divs!

Hey everyone,
I'm working on another website and I have come up against a common problem for newbie designers from what I hear, the dreaded overlapping div problem! I have a 2 column fixed layout with a floating left div. My left div has my nav bar and various images. When my main content div has more content than the left floating div, the left div border does not reach the footer! Until now, I have gotten by with just hitting return in my left column div until it reaches the footer. I am sure it is not the right way to do it but it has worked so far. The problem is, now one of the pages has the left column div overlapping onto the footer! I did some reading and I am guessing it involves either the box properties or clear float which I am not too familiar with.
Any advice would be stellar! I know this is just another stumbling block to get over but I would feel so much better if I was doing it the right way.
Here are screens of my issue,
And here is my code for the page in question.
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<title>Full Circle Home Inspections</title>
<link href="_css/main.css" rel="stylesheet" type="text/css" />
<style type="text/css">

</style>
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</head>
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</h1></div>
<div id="sidebar1">
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 </object>
 
 </object>
 </h3>
 
 
 <a href="http://www.nachi.org/"><img src="_images/interNACHI.png" alt="InterNACHI" width="190" height="164" border="0" /></a>
 
 
 <a href="http://www.nachi.org/education.htm"><img src="_images/education-seal-small.gif" alt="education seal" width="150" height="150" border="0" /></a>
 
 
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 <a href="http://www.inspectopia.com/profile.b.507.r.16181.u.03bcfb.html"><img src="_images/logo_top.png" alt="Inspectopedia" width="190" height="45" border="0" /></a>
 
 
 <a href="http://www.energystar.gov/"><img src="_images/img_energy_star_partner.jpg" width="160" height="191" alt="Energy Star Partner" /></a>
 
 
 <a href="http://cjenterprises.myshaklee.com/us/en/welcome.html#"><img src="_images/Shaklee.gif" alt="Shaklee" width="119" height="160" border="0" /></a>
 
 
 <a href="http://activerain.com/"><img src="_images/ARLogoSmall.gif" alt="Active Rain" width="135" height="36" border="0" /></a>
 
 
 <a href="http://www.insiderpages.com/b/15246780294"><img src="_images/insider_pages.gif" alt="Insider Pages" width="89" height="37" border="0" /></a>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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<div id="mainContent">
 <h2>Radon Gas Inspection</h2>
 <div id="paragraphFloat">
 <h5>What Is Radon?</h5>
 Radon is a cancer causing radioactive gas. You cannot see, smell or taste radon, but it may be a problem in your home. The Surgeon General has warned that radon is the second leading cause of lung cancer in the United States today. 
 <div id="apDiv1">
 <div align="center"><a href="http://www.epa.gov/radon/video/epa-epu.wmv"><img src="_images/psa_revised.jpg" alt="What Is Radon?" width="200" height="172" border="0" /></a></div></div></div>
 If you smoke and your home has high radon levels, you're at high risk for developing lung cancer. Some scientific studies of radon exposure indicate that children may be more sensitive to radon. This may be due to their higher respiration rate and their rapidly dividing cells, which may be more vulnerable to radiation damage. 
 
 <h5>Why Is It Dangerous?</h5>
 The U.S. Environmental Protection Agency (US EPA) and the Surgeon General's Office have estimated that as many as 20,000 lung cancer deaths are caused each year by radon. Radon is the second leading cause of lung cancer. Radon-induced lung cancer costs the United States over $2 billion dollars per year in both direct and indirect health care costs.
According to the US EPA, nearly 1 in 3 homes checked in seven states and on three Indian lands had screening levels over 4 pCi/L, the EPA's recommended action level for radon exposure.
The alpha radiation emitted by radon is the same alpha radiation emitted by other alpha generating radiation sources such as plutonium.
A family whose home has radon levels of 4 pCi/l is exposed to approximately 35 times as much radiation as the Nuclear Regulatory Commission would allow if that family was standing next to the fence of a radioactive waste site. (25 mrem limit, 800 mrem exposure)
 At the 4 pCi/l EPA action guideline level, radon carries approximately 1000 times the risk of death as any other EPA carcinogen. It is important to note that the action level is not a safe level, as there are no "safe" levels of radon gas.
 
<h5>How Does It Get Into My Home?</h5>
 Radon is a radioactive gas. It comes from the natural decay of uranium that is found in nearly all soils. It typically moves up through the ground to the air above and into your home through cracks and other holes in the foundation. Your home traps radon inside, where it can build up. Any home may have a radon problem. This means new and old homes, well-sealed and drafty homes, and homes with or without basements.
 Radon from soil gas is the main cause of radon problems. Sometimes radon enters the home through well water. In a small number of homes, the building materials can give off radon, too. However, building materials rarely cause radon problems by themselves.
Radon gets in through:
<ul>
<li>Cracks in solid floors
 <div id="apDiv3">
 <div align="center"><a href="http://www.fullcirclehomeinspections.com/_assets/CitizensGuideRadon.pdf"><img src="_images/citguidecoverradon.jpg" alt="Guide To Radon" width="154" height="200" border="0" /></a></div>
 </div>
</li>
<li>Construction joints</li>
<li>Cracks in walls</li>
<li>Gaps in suspended floors</li>
<li>Gaps around service pipes</li>
<li>Cavities inside walls</li>
<li>Surrounding water supply</li>
</ul>
 
<h5>What Can I Do?</h5>
 Radon is a national environmental health problem. Elevated radon levels have been discovered in every state. The US EPA estimates that as many as 8 million homes throughout the country have elevated levels of radon. Current state surveys show that 1 home in 5 has elevated radon levels.
 Testing is the only way to know your home's radon levels. There are no immediate symptoms that will alert you to the presence of radon. It typically takes years of exposure before any problems surface. 
Let Full Circle Home Inspections ensure your family and your home are protected and safe from radon exposure!
 
<h5>Radon Myths</h5>
MYTH: Scientists are not sure that radon really is a problem.
<blockquote>
FACT: Although some scientists dispute the precise number of deaths due to radon, all the major health organizations (like the Centers for Disease Control and Prevention, the American Lung Association and the American Medical Association) agree with estimates that radon causes thousands of preventable lung cancer deaths every year. This is especially true among smokers, since the risk to smokers is much greater than to non-smokers.
</blockquote>
MYTH: Radon testing is difficult, time-consuming and expensive.
<blockquote>
FACT: Radon testing is easy. You can test your home yourself or hire a qualified radon test company. Either approach takes only a small amount of time and effort.
</blockquote>
MYTH: Homes with radon problems can't be fixed.
<blockquote>
FACT: There are simple solutions to radon problems in homes. Hundreds of thousands of homeowners have already fixed radon problems in their homes. Most homes can be fixed for about the same cost as other common home repairs; check with one or more qualified mitigators. Call your <a href="http://www.epa.gov/radon/whereyoulive.html">state radon office</a> for help in identifying qualified mitigation contractors.
</blockquote>
MYTH: Radon affects only certain kinds of homes.
<blockquote>
FACT: House construction can affect radon levels. However, radon can be a problem in homes of all types: old homes, new homes, drafty homes, insulated homes, homes with basements, and homes without basements. Local geology, construction materials, and how the home was built are among the factors that can affect radon levels in homes.
</blockquote>
MYTH: Radon is only a problem in certain parts of the country.
<blockquote>
FACT: High radon levels have been found in every state. Radon problems do vary from area to area, but the only way to know your radon level is to test.
</blockquote>
MYTH: A neighbor's test result is a good indication of whether your home has a problem.
<blockquote>
FACT: It's not. Radon levels can vary greatly from home to home. The only way to know if your home has a radon problem is to test it.
</blockquote>
MYTH: Everyone should test their water for radon.
<blockquote>
FACT: Although radon gets into some homes through water, it is important to first test the air in the home for radon. If your water comes from a public water supply that uses ground water, call your water supplier. If high radon levels are found and the home has a private well, call the Safe Drinking Water Hotline at 1-800-426-4791 for information on testing your water.
</blockquote>
MYTH: It's difficult to sell homes where radon problems have been discovered.
<blockquote>
FACT: Where radon problems have been fixed, home sales have not been blocked or frustrated. The added protection is some times a good selling point.
</blockquote>
MYTH: I've lived in my home for so long, it doesn't make sense to take action now.
<blockquote>
FACT: You will reduce your risk of lung cancer when you reduce radon levels, even if you've lived with a radon problem for a long time.
</blockquote>
MYTH: Short-term tests can't be used for making a decision about whether to fix your home.
<blockquote>
FACT: A short-term test, followed by a second short-term test* can be used to decide whether to fix your home. However, the closer the average of your two short-term tests is to 4 pCi/L, the less certain you can be about whether your year-round average is above or below that level. Keep in mind that radon levels below 4 pCi/L still pose some risk. Radon levels can be reduced in most homes to 2 pCi/L or below.
 
 
 
<img src="_images/CA-3.jpg" width="520" height="207" />
</blockquote>
</div>
<div id="footer">
 © 2009 XL Designs Online - All Rights Reserved 
</div>
</div>
<script type="text/javascript">

</script>
</body>
</html>
And here is my CSS if needed,
@charset "utf-8";
body {
 font: 100% Verdana, Arial, Helvetica, sans-serif;
 background: #666666;
 margin: 0; /* it's good practice to zero the margin and padding of the body element to account for differing browser defaults */
 padding: 0;
 text-align: center; /* this centers the container in IE 5* browsers. The text is then set to the left aligned default in the #container selector */
 color: #000000;
.twoColFixLtHdr #container {
 width: 950px; /* the auto margins (in conjunction with a width) center the page */
 border: 1px solid #000000;
 text-align: left; /* this overrides the text-align: center on the body element. */
 margin-top: 20px;
 margin-right: auto;
 margin-bottom: 20px;
 margin-left: auto;
 background-color: #557050;
.twoColFixLtHdr #header {
 border-bottom: 1px solid #000000;
 height: 250px;
 background-color: #DDDDDD;
 padding-top: 0;
 padding-right: 10px;
 padding-bottom: 0;
 padding-left: 20px;
 background-image: url(../_images/homebanner1.png);
.twoColFixLtHdr #header h1 {
 margin: 0; /* zeroing the margin of the last element in the #header div will avoid margin collapse - an unexplainable space between divs. If the div has a border around it, this is not necessary as that also avoids the margin collapse */
 padding: 20px 0; /* using padding instead of margin will allow you to keep the element away from the edges of the div */
 text-align: center;
 font-size: 48px;
 font-family: Tahoma, Geneva, sans-serif;
 color: #000;
.twoColFixLtHdr #sidebar1 {
 float: left; /* since this element is floated, a width must be given */
 width: 200px;
 border-right: 1px solid #000000;
 background-color: #557050;
 padding-top: 0px;
 padding-right: 10px;
 padding-bottom: 15px;
 padding-left: 10px;
.twoColFixLtHdr #mainContent {
 margin-top: 0;
 margin-right: 0;
 margin-bottom: 0;
 margin-left: 250px;
 padding-top: 0;
 padding-right: 20px;
 padding-bottom: 0;
 padding-left: 20px;
 text-align: left;
.twoColFixLtHdr #mainContent h1 {
 font-size: 48px;
 font-family: "Arial Rounded MT Bold";
 font-weight: bold;
.twoColFixLtHdr #mainContent h2 {
 font-family: "Arial Rounded MT Bold";
 font-size: 32px;
.twoColFixLtHdr #mainContent h3 {
 font-family: Georgia, "Times New Roman", Times, serif;
 font-style: italic;
 color: #CF0;
 font-size: 125%;
.twoColFixLtHdr #mainContent h5 {
 font-size: 120%;
.twoColFixLtHdr #footer {
 padding: 20px 10px 20px 20px;
 border-top: 1px solid #000000;
 background-color: #A3A3A3;
 font-family: Arial, Helvetica, sans-serif;
.twoColFixLtHdr #footer p {
 margin: 0; /* zeroing the margins of the first element in the footer will avoid the possibility of margin collapse - a space between divs */
 padding: 10px 0; /* padding on this element will create space, just as the the margin would have, without the margin collapse issue */
.fltrt { /* this class can be used to float an element right in your page. The floated element must precede the element it should be next to on the page. */
 float: right;
 margin-left: 8px;
.fltlft { /* this class can be used to float an element left in your page */
 float: left;
 margin-right: 8px;
.clearfloat { /* this class should be placed on a div or break element and should be the final element before the close of a container that should fully contain a float */
 clear:both;
 height:0;
 font-size: 1px;
 line-height: 0px;
#paragraphFloat {
 width: 350px;
#paragraphFloat2 {
 width: 350px;
Please if anyone knows what I'm doing wrong please please let me know! Since I am learning, I really want to get main concepts like this down so I am not constantly doing things the hard way! Thank you!
Jayson

1) Regarding validation, what does it do?
It validates by telling you where your code isn't er... valid. Sometimes the results are a bit jumbled but if you work through them one at a time and revalidate, it's a good way to learn. If you fix all of the errors shown up through the validator you should end up with standards compliant code. Not necessarily the best, most efficient code you can write but at least it will be valid and it helps you spot errors that hours of code-staring never seems to find.
I don't use the DW validation tool because I find the W3c one easier.
The W3c validator has a check box of HTML Tidy which can tidy up your code but it's not always as easy to see what changes.
2) I know the tag for spacing is wrong, I could just feel it in my bones. I just didn't know what else to do. If I all the way down won't the code be just as cluttered?
You're obviously a born web coder!
 will bloat your page if you use them to position elements.
Here you need to get used to a) the Block Model and b) CSS positioning. Once you crack these, CSS opens up for you and becomes a little more intuitive.
if you have two elements on top of each other rather than push them apart with other elements you do it with padding and/or margin. There are things to watch out for here namely, collapsing margins but if you start to read up on the above, you'll get it.
I just thought of something. If I add a div in main content, align it to the bottom center with CSS, use a line break between it and the text above, and add the image in question in the new div, will the spacing between the text and image work itself out? I just really want to get out of the bad habit.
Keep thinking! Web design is not like desktop publishing or print. Elements on a HTML page don't behave like paragraphs on a page. Once you begin to figure out why not it all gets a little easier.
If you want an image at the bottom an element you put that at the end of the content in that element. Then you need to ensure there is no margin, padding or border between the img element and the next element (your footer). HTML elements come with some styling that is applied by default in the browser. Many web developers include a rule like this:
body {
margin: 0;
padding:0;
This sets the margin and padding to zero of course and it's purpose is to override the defaults. Some people advocate applying similar rules to all elements and if your interested try googling Eric Meyer who has written about it online.
One of the key purposes of CSS is to take styling out of the page. It's leaner, more efficient for the viewer and the coder and helps with site management.
3) AP divs are weird, and I did only use as a last resort.
See? You're a natural!
The reason is I am confused by the float and clear float classes. My left column is floated left and that element is what I was having problems understanding. I tried to make new divs and float right but I screwed it all up. I am sure I am just not applying the clear float in the right places.
Getting the hang of floating is key to CSS positioning. You use a float if you want two elements to sit side by side on the page. It disrupts the "document flow." Ordinarily HTML elements are rendered one after the other, on top of each other. Floating an element takes it out of the document flow and allows other elements to occupy its space. When you float an element it should always have a width. If the element below it also has a width, that width has to be sufficiently narrow to allow it to occupy the space. In short, floated elements can't be wider than their containing element.
The clear property is used after a float to stop an element occupying the space left by a floated element. It works but confuses the heck out of me!
So that leads me to my final point. I am a novice too! I might have fluffed a few of the technical points above but it's pretty much there.
Regards
Martin

Heed Help With Form Layout

Hi all
I am developing a j2me program that need display photos on a form like a photo gallery. I use image item to hold the resized photos on a form.
What I want is to display 3 photos in a row, like this
x x x
x x x
the programm is working fine on the emulator and nokia phone, but when I try on a Windows Mobile phone (HTC the JVM is Jbed) , It only display one photo in a row, like this
X
X
X
No matter what layout option and the size of photos, it only display one photo in a row
I really need help with this
Thanks

The only way to get more consistent behavior across devices is to use the low level API -- Canvas, not Form. You cannot interfere with device-dependent implementations of the layout of a Form.
db

Seeking Help with Album Image Issues in iPod Classic

Hi folks -
I have a new 160 iPod Classic and have two album image-related issues I'd appreciate some help with.
In the case of several albums where I'd associated my own art with them in iTunes, the formatting appeared off in my iPod due to the vertical/horizontal proportions. So I corrected the images, replaced the images via iTunes, and re-synced. All of the old images were replaced - except for two. Is there any way to get my iPod to recognize the change to these two images, as it did for all the others?
Secondly, my "The Allman Brothers Band Live at Fillmore East" album was appearing twice in both the Cover Flow and Album list. That was strange, except that after the latest sync it now appears six times! It's only in one place in iTunes, and not erroneously set as a compilation or anything. This is the only album displaying this behavior...
Thanks for any suggestions or advice!
Frank
Message was edited by: frank3si

Yes my e-mail address is [email protected]
Thank you for your kind attention to my problem. I am looking for one on one brief consultation with my laptop in Cincinnati. If not then I will compose a clear question with VI.
These manuals are well known to me NI Visions Concepts ManualIMAQ Vision for LaVIEW User ManuelNI-IMAQ for USB Cameras My problem is moving to the next step of Create an array of USB imagePerform math on array Display results Sincerely,Tom Lohre cell 513-236-1704, [email protected] http://tomlohre.com/images/lafley.jpgAG Lafley, Chairman & CEO of Proctor & Gamble http://tomlohre.com/lafley.htm A.G. Lafley enjoyed hearing of Tom's painting robot and thought it played well to his new book: "The Game-Changer: How You Can Drive Revenue and Profit Growth With Innovation." http://tomlohre.com/newart.htm
Tom Lohre artist/scientist
Has a operating painting robot using RoboLab/RCX
Developing a LabView/ NXT robot that analyzes an image for aesthetic quality.

Project Server 2013: I am using Project Server Permission Mode and need help with permission assignments?

Hi
Project Server 2013: I am using Project Server Permission Mode and need help with permission assignments?
How can I change Permissions for the individual users to see specific projects or all projects in project center and to see specific quick launch items?
For Example: if i have 4 users, A, B, C and D. what i want is:
User A can see everything and act as a project manager or Admin.
User B can view all projects in project centre but can change the schedule or resource assignment etc.
User C can only act as approver of projects and can view all projects in project centre.
User D can only view specific projects for which permissions are given.
can i have some expert help in sorting and understanding permission modes... as i was playing with project server mode permissions and can't figure out how to apply the above scenario to set of my user.
Thanks in Advance
Cheers
AJ
Ajay Kumar

Hi Ajay,
Please refer to this link for detailed explanations about PS2013 security model.
http://technet.microsoft.com/en-us/library/cc197638(v=office.15).aspx
Actually, it will take a couple of days to explain in detail the security model that is a fundamental and tricky aspect of every PS implementation. But basically, you NEVER set permissions for a single user. You have groups in which your insert users. Groups
define "what users can do". Then you associate groups to a corresponding category. Categories define "what user can see". Thus the association of a group with a category will set "what the user can do on the objects he can see". Then, for more advanced security
level, you can use the RBS that will consist in "branches" in which you'll insert users. Based on those branches, you'll customize categories to fine-tune what user can see (for projects and resources) depending on the RBS branch and level.
I'd advice you to start "playing" in a test environment with the default categories/groups that might probably cover your need.
Concerning your 4 users:
user A : add him to the "administrator" group. Be careful that you're mentionning either project manager or administrator, which are 2 groups/categories with totally different permissions level.
user B : basically can see everything and change everything? it could be in the project manager group, assuming that there are no project visibility restrictions on the category via the RBS.
user C : waht do you mean by "approver"? Workflow approvals? Then it will be the portfolio manager group. Task update or timesheet approval? Then it is another long topic: please refer in the documentation to the "status manager" and "timesheet manager"
concepts. There are not related to the security model. In a few words, the status manager is the owner of the project plan, is defined for each task and approves tasks updates. The timesheet manager is an attribute defined for each resource in its parameters
and approves resource timesheet.
user D : you have to define which permission level must be given to this user. Basically it could be a team member that will see only projects he's in the project team. Note that team member cannot interact with the project plan in another way than submitting
timesheets and/or tasks updates which must be approved.
Once more, those are large and complex subjects that require a deep dive into your business model and tons of tests in a test environment.
Hope this helps.
Guillaume Rouyre - MBA, MCP, MCTS

Help with j2me concept

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