Need help with Regual Expressions

I need to validate for the following invalid characters in Java: ! @ # $ ^ * + = { } [ ] | \ < > ?
Pattern pattern = Pattern.compile(" ") ?
What is the right approach to do that?
Thank you
Eugene

SolutionQuest wrote:
Thank you for your response.
My question was
What regular expression could be used to provide as a parameter to pattern.compile() that matches the listed characters?
Thank'sOkay, then my remark about the matches method applies: use that instead of Pattern.compile(...) (under the hood, it does the same). Go ahead and read the API docs of that method: it explains how to use it and also links to a document that explains a bit about the regex meta characters. Post back if you have tried something but failed. Please also post what you have tried so that others can point the error in your logic: it is the best way to learn.
Good luck.

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Need help with Airport Express and so on.

Ok so my main problem before getting into what I need help with here is that our MacBooks and now my iPhone 6 plus isn't staying online. Keep getting booted off and then I either have to select the network again or it will eventually go back on. If anyone has a solution or so please feel free to answer that as well. I'm running on Roadrunner with a Netgear 600 wireless router and a motorola modem. Both of which I'll leave the link to below for a better look.
My Main Question: So I'm looking at a new wireless router mainly and possibly a new modem. I know Apple products are trustworthy but how good is the Airport Express and other Airport products. Also what is the Maximum speed and Maximum data speed for the cheapest express station and if anyone knows the speeds of the other devices it would be greatly appreciated.

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The AirPort Extreme base station (AEBS) is a router so it will do what you need.
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Need help with regular expression

I'm trying to use the java.util.regex package to extract URLs from html files.
The URLs that I am interested in extracting from the HTML look like the following:
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hi gupta am not sure of the java syntax but i can tell u about the regular expression...try this....
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Need help with Regular Expressions

This is my XML code
*<name>J. E. O'Rrrrrr, S. Mmmmmmmmmm, B. G. Mmmmmmmm, A. B. C. Xxxxxx Yyyyy, A. B. C. Zzzz and C. R. McCcccc</name>*
This is my source code
Regex = Pattern.compile("<name>.*?</name>");
RegexMatcher = Regex.matcher(fetchWholeFile);
while(RegexMatcher.find())
chkEnty = RegexMatcher.group();
Pattern RegexTry1 = Pattern.compile("([A-Z]{1}\\.[A-Z]{1}\\.[A-Z]{1}\\.){color:#ff6600}|{color}([A-Z]{1}\\.\\s[A-Z]{1}\\.\\s[A-Z]{1}\\.){color:#ff6600}|{color}([A-Z]{1}\\.[A-Z]{1}\\.){color:#ff6600}|{color}([A-Z]{1}\\.\\s[A-Z]{1}\\.){color:#ff6600}|{color}([A-Z]{1}\\.)");
//In the above line I am trying to catch all the initials (3 initals, 2 initials & 1 initial)
Matcher RegexMatcherTry1 = RegexTry1.matcher(chkEnty);
while(RegexMatcherTry1.find())
String chkEntyTry1 = RegexMatcherTry1.group();
Tagged11="<fname>"+chkEntyTry1+"</fname>";
fetchWholeFile=fetchWholeFile.replace(chkEntyTry1,Tagged11);
After executing the above code, my out is
*<name><fname>J.</fname>* E. O'Rrrrrr, *<fname>S.</fname>* Mmmmmmmmmm, *<fname><fname><fname><fname>B.</fname></fname></fname></fname> <fname>G.</fname>* Mmmmmmmm, *<fname>A.</fname>* *<fname><fname><fname><fname>B.</fname></fname></fname></fname>* *<fname>C.</fname>* Xxxxxx Yyyyy, *<fname>A.</fname>* *<fname><fname><fname><fname>B.</fname></fname></fname></fname>* *<fname>C.</fname>* Zzzz and *<fname>C.</fname>* *<fname><fname>R.</fname></fname>* McCcccc*</name>*
But I need my out as below
*<name><fname>J. E. </fname><sname>O'Rrrrrr</sname>,* *<fname>S. </fname><sname>Mmmmmmmmmm</sname>*, *<fname>B. G. </fname><sname>Mmmmmmmm</sname>*, *<fname>A. B. C. </fname><sname>Xxxxxx Yyyyy</sname>*, *<fname>A. B. C. </fname><sname>Zzzz </sname>and <fname>C. R. </fname><sname>McCcccc</sname></name>*
Could some also tell me how do I apply *<sname>*

prometheuzz my source code as suggested by you is
public void lineread(String FileName)
     try
          File asciiFile1 = new File(FileName);
          File tmp = new File(asciiFile1.getParent(),"Temp.xml");
          BufferedReader br = new BufferedReader(new FileReader(asciiFile1));
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          for(int v=0;v<FnameVector2.size();v++)
               System.out.println(FnameVector2.elementAt(v));//It's printing fine here
               fetchWholeFile=fetchWholeFile.replace(FnameVector1.elementAt(v).toString(), FnameVector2.elementAt(v).toString());//But if I update to input XML file, it's wrong as shown below
          for(int v=0;v<SnameVector1.size();v++)
     System.out.println(SnameVector1.elementAt(v));//It's printing fine here
          for(int v=0;v<SnameVector2.size();v++)
               System.out.println(SnameVector2.elementAt(v));//It's printing fine here
               fetchWholeFile=fetchWholeFile.replace(SnameVector1.elementAt(v).toString(), SnameVector2.elementAt(v).toString());//But if I update to input XML file, it's wrong as shown below
          bw.write(fetchWholeFile);
          bw.flush();
          bw.close();
          br.close();
          File org = new File(FileName);
          System.gc();
          System.out.println(asciiFile1.delete());
          tmp.renameTo(org);
     catch(IOException ioe)
          System.out.println(ioe);
This is my XML file
<?xml version="1.0" encoding="UTF-8"?>
<ref-list>
<name>A. B. Cccccc and X. Y. Zzzzzz</name>
<name>K. Name</name>
The output after executing the above source code is
<?xml version="1.0" encoding="UTF-8"?>
<ref-list>
<name><fname>A. </fname>B. <sname>Cccccc</sname>and <fname>X. <fname>Y. </fname></fname><sname>Zzzzzz</sname></name>
<name><fname><fname><fname><fname><fname><fname>K. </fname></fname></fname></fname></fname></fname><sname>Name</sname></name>
But I need my output as
<?xml version="1.0" encoding="UTF-8"?>
<ref-list>
<name><fname>A. B. </fname><sname>Cccccc</sname>and <fname>X. Y. </fname><sname>Zzzzzz</sname></name>
<name><fname>K. </fname><sname>Name</sname></name>
Please tell me where have I gone wrong.

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To Collipa and Dudeface:
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Need Help with Boolean expressions

I wrote this code to convert from base16 to base10:
int intValue = Integer.parseInt(hex, 16);
my issue is i wanna a write a code that if an input of "1heg5" would print out a message saying entered wrong code.

This is just a quick one i did. my problem is that whenever i type 1 it goes straight away to catch statement. this is what happens:
1. Entre a digit
2. Exit
1 or 2: 1
Enter a digit: Wrong digit
import java.util.*;
public class stuff
public static void main(String[] args)
Scanner kb = new Scanner(System.in);
System.out.println("1. Entre a digit");
System.out.println("2. Exit");
System.out.print("1 or 2: ");
int input = kb.nextInt();
if (input == 1)
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try
String digit1 = kb.nextLine();
int digit2 = Integer.parseInt(digit1, 16);
System.out.println("Your answer is: "+digit2);
catch(Exception e)
System.out.println("Wrong digit");
else
System.exit(0);
Message was edited by:
IH82BU
Message was edited by:
IH82BU

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Ok, computer dummy here needing help with airport express. We were given airport express last night from a friend who recently purchased a newer gadget. He told us we would need to come here to download the operating system. I see lots of links to updates but no links for someone like me who has never had anything like this on my computer before. Does anyone know what link I would need to use? We have a pc with windows XP. Thanks so much for your help!

Hello jesschambers. Welcome to the Apple Discussions!
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I am unable to use this template to create a new page and get the "unbalanced #EndEditable tag" error.
If I open the file independently it looks great - otherwise I get the error.
Code for internal_students.dwt
There is an error at line 45, column 79 (absolute position 2188)
<div id="metanav">
<p><a href="../Library/contact/index.html">Contact Us</a></p>
</div>
        <div id="navigation">
            <div id="navigation_l">
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<li><a href="../news/index.html">News And Events</a></li>
<li><a href="../educators/index.html">For Educators</a></li>
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Thank you
Cheryl

Okay
- This is on-line page http://caite.cs.umass.edu/students/index.html
If you want code from template here it is:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />

<title>CAITE - Commonwealth Alliance for Information Technology Education</title>


<meta name="Description" content="Commonwealth Alliance for Information Technology Education (CAITE) to design and carry out comprehensive programs that address under representation in information technology (IT) education and the workforce. CAITE will focus on women and minorities in groups that are underrepresented in the Massachusetts innovation economy" />
<meta name="Keywords" content="Commonwealth Alliance for Information Technology Education CAITE Massachusetts women minorities information technology IT" />
<meta name="robots" content="all, index, follow" />
<meta name="revisit-after" content="14 days" />
<meta name="author" content="Outreach Web Team" />

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<link href="../css/printstyle.css" rel="stylesheet" type="text/css" media="print" />
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var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<body>
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<p><a href="../Library/contact/index.html">Contact Us</a></p>
</div>
        <div id="navigation">
            <div id="navigation_l">
                <div id="navigation_r"> <ul>
                        <li><a href="../index.html" class="first"><img src="../images/spacer.gif" alt="CAITE Homepage" width="75" height="20" border="0" /></a></li>
                        <li><a href="../about/index.html">About</a></li>
<li><a href="../news/index.html">News And Events</a></li>
<li><a href="../educators/index.html">For Educators</a></li>
<li><a href="../students/index.html">For Students</a></li>
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                                  <p>CAITE designs and carrys out comprehensive programs that address under-representation in information technology (IT).</p>
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                              <h1>For Students</h1>
                              <p>The University of Massachusetts Amherst is leading a Commonwealth Alliance for Information Technology Education (CAITE) to design and carry out comprehensive programs that address under representation in information technology (IT) education and the workforce. CAITE will focus on women and minorities in groups that are underrepresented in the Massachusetts innovation economy; that is, economically, academically, and socially disadvantaged residents.</p>
                              <p>The project will pilot a series of outreach programs supported by educational pathways in three regions (one rural, one suburban, and one urban). The project will include work with high school teachers, staff, and counselors. CAITE will identify best practices and disseminate, deploy, extend and institutionalize these best practices statewide and nationally.</p>
                              <p>Community colleges are the centerpiece of CAITE because of the central role they play in reaching out to underserved populations and in serving as a gateway to careers and further higher education.</p>
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<p><font color="#666666" size=2> This material is based upon work supported by the National Science Foundation under Grant No.s NSF-0634412 and NSF-0837739. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.</font> </p>
</div>

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Need help with writing a query with dynamic FROM clause

Hi Folks,
I need help with an query that should generate the "FROM" clause dynamically.
My main query is as follows
select DT_SKEY, count(*)
from *???*
where DT_SKEY between 20110601 and 20110719
group by DT_SKEY
having count(*) = 0
order by 1; The "from" clause of the above query should be generated as below
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from dba_tables
where OWNER = 'Schema_Name'Simply sticking the later query in the first query does not work.
Any pointers will be appreciated.
Thanks
rogers42

Hi,
rogers42 wrote:
Hi Folks,
I need help with an query that should generate the "FROM" clause dynamically.
My main query is as follows
select DT_SKEY, count(*)
from *???*
where DT_SKEY between 20110601 and 20110719
group by DT_SKEY
having count(*) = 0
order by 1; The "from" clause of the above query should be generated as below
select 'Schema_Name'||'.'||TABLE_NAME
from dba_tables
where OWNER = 'Schema_Name'
Remember that anything inside quotes is case-sensitive. Is the owner really "Schema_Name" with a capital S and a capital N, and 8 lower-case letters?
Simply sticking the later query in the first query does not work.Right; the table name must be given when you compile the query. It's not an expression that you can generate in the query itself.
Any pointers will be appreciated.In SQL*Plus, you can do something like the query bleow.
Say you want to count the rows in scott.emp, but you're not certain that the name is emp; it could be emp_2011 or emp_august, or anything else that starts with e. (And the name could change every day, so you can't just look it up now and hard-code it in a query that you want to run in the future.)
Typically, how dynamic SQL works is that some code (such as a preliminary query) gets some of the information you need to write the query first, and you use that information in a SQL statement that is compiled and run after that. For example:
-- Preliminary Query:
COLUMN     my_table_name_col     NEW_VALUE my_table_name
SELECT     table_name     AS my_table_name_col
FROM     all_tables
WHERE     owner          = 'SCOTT'
AND     table_name     LIKE 'E%';
-- Main Query:
SELECT     COUNT (*)     AS cnt
FROM     scott.&my_table_name
;This assumes that the preliminary query will find exactly one row; that is, it assumes that SCOTT has exactly one table whose name starts with E. Could you have 0 tables in the schema, or more than 1? If so, what results would you want? Give a concrete example, preferably suing commonly available tables (like those in the SCOTT schema) so that the poepl who want to help you can re-create the problem and test their ideas.
Edited by: Frank Kulash on Aug 11, 2011 2:30 PM

Need help with accesing variable with xpath.

Hi All,
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<element name="processResponse">
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Thanks,
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Cany you try the following
x20:compare('Deny',string($outputvariable.payload/client:result))
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Regards
Albin I
http://www.albinsblog.com/

I just downloaded an album from itunes and 2 of the tracks will not play at all, they cut off. I need help with this??

I just downloaded an album from itunes and 2 of the tracks will not play at all, they cut off. I need help with this??

Does the track play correctly in Quicktime Player? If it does then it is an iTunes issue. If it doesn't then it is possible the file was not completely downloaded, or is corrupt.
Downloading (using iOS or computer) past purchases from the App Store, iBookstore, and iTunes Store - http://support.apple.com/kb/ht2519 - enabled with iTunes 10.3 and newer; not available in all countries; apps, books (not audiobooks), music, t.v. shows, and movies (some - not all studios have permitted this). Movies currently available in the USA only. Downloading previously purchased movies and TV shows requires iTunes 10.6 or later. Discontinued items not available. For items not included in the iCloud list (e.g., ringtones), or locations or computer systems where iCloud is not (yet?) available, you only get one download per fee paid.
If it can be downloaded again, delete the track from iTunes.
Select the store on the left side of iTunes.
Click on Purchased on the right side under Quick Links.
You can re-download your available previous purchases.
If it is corrupt and you cannot download it a second time, contact Apple. Contact iTunes Store support staff through the report a problem links in your account history or,
iTunes Customer Service Contact - http://www.apple.com/support/itunes/contact.html > Get iTunes support via Express Lane > iTunes > iTunes Store

I need help with the conditional build tag option RoboHelp 10

I need help with the conditional build tag option. I want to apply CBT to content in a topic. I looked at the Help topics and believed that I applied the feature correctly. Howver, it is not working as desired. In the 2nd sentence below I want the text highlighted in blue to only appear for the printed output and the text printed in purple to only appear for the .htm /online output. Please help.
There are common tasks used to manage the folders in the Navigator and the folders
in the BBS Folders Viewer Grid. For more information on these common tasks see Help
and Support in Success Enterprise. click the links below.

Hi there
Using tagging is a two part process.
Part One
You create and apply the tags to the information you wish to control.
Part Two
You create a Build Expression that is used when you generate your output. The Build Expression typically reads something like: NOT Tag1 (or whatever your tag name is)
Then when you generate and use the Build Expression, the information tagged is not included in the build.
Cheers... Rick

Need help with a currently "in-use" form we want to switch to Adobes hosting service

Hi, I am in desperate need of help with some issues concerning several forms which we currently use a paid third party (not Adobe) to host and "re-distribute through email"...Somehow I got charged $14.95 for YOUR service, (signed up for a trial, but never used it)..and now I am paying for a year of use of the similar service which Adobe is in control of. I might want to port my form distribution through Adobe in the hopes of reducing the errors, problems and hassles my customers are experiencing when some of them push our "submit button". (and I guess I am familiar with these somewhat from reading what IS available in here, and I also know that, Adobe is working to alleviate some of these " submit" issues, so let's don't start by going backwards, here) I need solutions now for my issues or I can leave it as is, If Adobe's solution will be no better for my end users...
We used FormsCentral to code these forms and it works for the most part (if the end-user can co-operate, and thats iffy, sometimes), but I need help with how to make it go through your servers (and not the third party folks we use now), Not being cruel or racist here, but your over the phone "support techs" are about horrible & I cannot understand them or work with any of them, so I would definitely need someone who speaks English and can understand the nuances of programming these forms, to please contact me back. (Sorry, but both those attributes will be required to be able to help me, so, no "newbie-interns" or first week trainees are gonna cut it).... If you have anyone who fits the bill on those items and would be willing to help us, please contact me back at your earliest convenience. If we have to communicate here, I will do that & I can submit whatever we need to & to whoever we need to.
I need to get this right and working for the majority of my users and on any platform and OS.
You may certainly call me to talk about this, and I have given my number numerous times to your (expletive deleted) time wasting - recording message thingy. So, If it's not available look it up under [email protected]
(and you will probably get right to me, unlike my and I'm sure most other folks', "Adobe phone-in experiences")
Thank You,
Michael Corman
VinylCouture
Phenix City, Alabama 36869

Well, thanks for writing back...just so you know...I started using Adobe products in 1987, ...yeah...back then...like Illustrator 1 & 9" B&W Macs ...John Warnock's Helvetica's....stuff like that...8.5 x 11 LaserWriters...all that good stuff...I still have some of it working on a mac...much of it was stuff I bought. some stuff I did not...I'm not a big fan of this "cloud" thing Adobe has foisted upon the creatives of the world...which I'm sure you can tell...but the functionality and usefulness of your software can not be disputed, so feel free to do whatever we will continue to pay for, ...I am very impressed with CC PS on the 64 bit PC and perhaps I will end up paying you the stipend that you demand for the other services.
So I guess that brings us to our problem.. a few years back and at the height of the recession and near bankruptcy myself, I was damn lucky and hit on something and began a small arts and crafts supply service to sell my products online to a very "niche market" ...I had a unique product and still sell that product (plus others) online...My website is www.vinylcouture.com...Strange? Yes...but there is a market it seems, for everything now, and this is the market I service...Catagorically, these are 99%+ women that use these "adhesive, sticky backed vinyl products" to make different "craft items" that are just way too various and numerous to go into... generally older women, women who are computer illiterate for the most part...and all this is irrelevant to my problem, but I want you to have every bit of background on this and especially the demographic we are dealing with, so we can get right to the meat of the problem.
OK...So about two years ago, I decided to offer a "plain sheet" product of a plain colored "stick back" vinyl... it is available in multiple quantities of packs ( like 5 pieces, 10 pieces, 15 pieces, in a packi & so on)...and if you are still on my site.. go to any "GO RIGHT TO OUR ORDER PAGE" button, scroll down a little...and then to the "PLAIN VINYL" section...you will see the Weebly website order process.) You can back out from here, I think,..but, anyway this product is available in 63 colors + or - a few. So then the problem is, how do they select their individual colors within that (whatever) pack?... .
So my initial idea was to enable a "selection form" for these "colors" that would be transmitted to me via email as 'part" of the "order process".. We tried getting our customers to submit a " a list" ( something my competitiors still do, lol, poor bastards)......but that..is just unbelievable..I can't even begin to tell you what a freakin' nightmare that was...these people cannot even count to 10, much less any higher... figuring out what colors to list and send me... well, lets just say, it wasn't working......I had to figure out a better way...Something had to be done.
So after thinking this all out, and yeah...due to my total ignorance, i figured that we could make a form with Live Cycle Designer (Now Forms Central)...(back then something that was bundled with Adobe Acrobat Pro), I believe, and thats what this thing was authored in... and it would be all good...LOL!
Well not so simple...as you well know, Adobe Acrobat would NOT LET YOU EMAIL anything from itself.....it just wouldn't work (and I know why, and all that hooey), but not being one to take NO for answer,.I started looking for a way to make my little gizmo work.. So I found this company that said they can "hijack" (re-direct actually) the request to email, bypass the wah-wah, and re-transmit it to the proper parties.....for less than $100 a year, I think...its called http://pdf-fillableforms.com/.
A nice gentleman named Joseph Silva helped us program the thing to go to his servers and back out. Please dont hassle them...I need them...for now..it basically does work...try it...you should get back a copy of the form that you filled out...good luck however, if you're on MAC OSX or similar...
I have included a copy of both of our forms (and feel free to fill it out and play with it)...just put test somewhere on it...(and you must include YOUR email or it will balk)..they are supposed to be mostly identical, except one seems to be twice as large....generating a 1.7 meg file upon submission, while the other one only generates a 600K file or so...thats another issue for another day or maybe you can advise on that also...
OK so far so good......In our shop, once Grandma buys a 10 pack (or whatever), Only then she gets to the link on her receipt page ro the relevant "selection form" ,(this prevents "Filling and Sending" with "no order" and "no payment", another early problem we had)... which they can click on and it will usually download and open up on their device if all goes well...Then our little form is supposed to be fillable and is supposed to ADD UP all the quantities, so grandma knows how many she is buying and so forth right on the fly, and even while she changes her mind..., and IT'S LARGE so grandma can see it, and then it TOTALS it all up for them, ( cause remember, they can NOT add).., except there is a programming bug (mouse-click should be a mouse-up probably or something..) which makes you click in the blank spaces to get to a correct TOTAL...about 70-80% of our customers can enable all these features and usually the process completes without problems for them especially on PC's running Windows OS and Acrobat Reader X or XI...at least for most... Unfortunately it is still not the "seamless process" I would like or had envisioned for the other folks out there that do have trouble using our form.... Many folks report to us the following issues that we know of. First of all it takes too much time to load up...We know its HUGE...is there anyway that you can see, to streamline this thing? I would love for it to be more compact...this really helps on the phones and pads as I'm sure you well know.
Some just tell us,"it WON'T work"....I believe this is because they are totally out of it and dont even have Adobe Reader on their machine, & don't know how to get it ( yes, we provide the links).....or it's some ancient version....no one can stop this one...
It almost always generates some kind ( at least one time) of "error message" which we do warn them about..., telling one, basically that "Acrobat doesnt even like this happening at all, and it could be detrimental to ones computer files", blah-blah...(this freaks grandma out really bad)...& usually they end up not even trying to send it... and then I get calls that even you wouldn't believe...& If they DO nut up and push the Red "Submit Form" button, it will usually send the thing to us (and also back to them at the "required email address" they furnished on the form, thats what the folks at the "fillable forms place" do) so, if it's performing it's functions, why it is having to complain?. What are we doing wrong?....and how can I fix it?...Will re-compiling it or saving it as a newer version of "FormsCentral" correct any of these problems ?
Ok, so that should keep you busy for a minute and we can start out with those problems...but the next thing is, how can I take advantage of YOUR re-direct & hosting services?, And will it get rid of the error messages, and the slowness, and the iOS incompatibilities ? (amazingly, the last iOS Reader version worked almost OK.. but the newest version doesnt seem to work with my form on my iphone4) If it will enable any version of the iOS to send my form correctly and more transparently, then it might be worth the money...$14.95 a MONTH you say. hmmmmm...Better be good.
Another problem is, that I really don't need 5000 forms a month submitted. I think its like 70-100 or less....Got any plans for that? Maybe I'm just not BIG ENOUGH to use Adobe's services, however in this case, I really don't care whose I do use as long as the product works most correctly for my customers as well as us. Like I said, If I'm doing the best I can, I won't change anything, and still use the other third party, If Adobe has a better solution, then i'm all for that as well. In the meantime, Thanks for any help you can provide on this...
Michael Corman
VinylCouture.com
(706) 326-7911

Need help with JTextArea and Scrolling

import java.awt.*;
import java.awt.event.*;
import java.text.DecimalFormat;
import javax.swing.*;
public class MORT_RETRY extends JFrame implements ActionListener
private JPanel keypad;
private JPanel buttons;
private JTextField lcdLoanAmt;
private JTextField lcdInterestRate;
private JTextField lcdTerm;
private JTextField lcdMonthlyPmt;
private JTextArea displayArea;
private JButton CalculateBtn;
private JButton ClrBtn;
private JButton CloseBtn;
private JButton Amortize;
private JScrollPane scroll;
private DecimalFormat calcPattern = new DecimalFormat("$###,###.00");
private String[] rateTerm = {"", "7years @ 5.35%", "15years @ 5.5%", "30years @ 5.75%"};
private JComboBox rateTermList;
double interest[] = {5.35, 5.5, 5.75};
int term[] = {7, 15, 30};
double balance, interestAmt, monthlyInterest, monthlyPayment, monPmtInt, monPmtPrin;
int termInMonths, month, termLoop, monthLoop;
public MORT_RETRY()
Container pane = getContentPane();
lcdLoanAmt = new JTextField();
lcdMonthlyPmt = new JTextField();
displayArea = new JTextArea();//DEFINE COMBOBOX AND SCROLL
rateTermList = new JComboBox(rateTerm);
scroll = new JScrollPane(displayArea);
scroll.setSize(600,170);
scroll.setLocation(150,270);//DEFINE BUTTONS
CalculateBtn = new JButton("Calculate");
ClrBtn = new JButton("Clear Fields");
CloseBtn = new JButton("Close");
Amortize = new JButton("Amortize");//DEFINE PANEL(S)
keypad = new JPanel();
buttons = new JPanel();//DEFINE KEYPAD PANEL LAYOUT
keypad.setLayout(new GridLayout( 4, 2, 5, 5));//SET CONTROLS ON KEYPAD PANEL
keypad.add(new JLabel("Loan Amount$ : "));
keypad.add(lcdLoanAmt);
keypad.add(new JLabel("Term of loan and Interest Rate: "));
keypad.add(rateTermList);
keypad.add(new JLabel("Monthly Payment : "));
keypad.add(lcdMonthlyPmt);
lcdMonthlyPmt.setEditable(false);
keypad.add(new JLabel("Amortize Table:"));
keypad.add(displayArea);
displayArea.setEditable(false);//DEFINE BUTTONS PANEL LAYOUT
buttons.setLayout(new GridLayout( 1, 3, 5, 5));//SET CONTROLS ON BUTTONS PANEL
buttons.add(CalculateBtn);
buttons.add(Amortize);
buttons.add(ClrBtn);
buttons.add(CloseBtn);//ADD ACTION LISTENER
CalculateBtn.addActionListener(this);
ClrBtn.addActionListener(this);
CloseBtn.addActionListener(this);
Amortize.addActionListener(this);
rateTermList.addActionListener(this);//ADD PANELS
pane.add(keypad, BorderLayout.NORTH);
pane.add(buttons, BorderLayout.SOUTH);
pane.add(scroll, BorderLayout.CENTER);
addWindowListener( new WindowAdapter()
public void windowClosing(WindowEvent e)
System.exit(0);
public void actionPerformed(ActionEvent e)
String arg = lcdLoanAmt.getText();
int combined = Integer.parseInt(arg);
if (e.getSource() == CalculateBtn)
try
JOptionPane.showMessageDialog(null, "Got try here", "Error", JOptionPane.ERROR_MESSAGE);
catch(NumberFormatException ev)
JOptionPane.showMessageDialog(null, "Got here", "Error", JOptionPane.ERROR_MESSAGE);
if ((e.getSource() == CalculateBtn) && (arg != null))
try{
if ((e.getSource() == CalculateBtn) && (rateTermList.getSelectedIndex() == 1))
monthlyInterest = interest[0] / (12 * 100);
termInMonths = term[0] * 12;
monthlyPayment = combined * (monthlyInterest / (1 - (Math.pow (1 + monthlyInterest, -termInMonths))));
lcdMonthlyPmt.setText(calcPattern.format(monthlyPayment));
if ((e.getSource() == CalculateBtn) && (rateTermList.getSelectedIndex() == 2))
monthlyInterest = interest[1] / (12 * 100);
termInMonths = term[1] * 12;
monthlyPayment = combined * (monthlyInterest / (1 - (Math.pow (1 + monthlyInterest, -termInMonths))));
lcdMonthlyPmt.setText(calcPattern.format(monthlyPayment));
if ((e.getSource() == CalculateBtn) && (rateTermList.getSelectedIndex() == 3))
monthlyInterest = interest[2] / (12 * 100);
termInMonths = term[2] * 12;
monthlyPayment = combined * (monthlyInterest / (1 - (Math.pow (1 + monthlyInterest, -termInMonths))));
lcdMonthlyPmt.setText(calcPattern.format(monthlyPayment));
catch(NumberFormatException ev)
JOptionPane.showMessageDialog(null, "Invalid Entry!\nPlease Try Again", "Error", JOptionPane.ERROR_MESSAGE);
} //IF STATEMENTS FOR AMORTIZATION
if ((e.getSource() == Amortize) && (rateTermList.getSelectedIndex() == 1))
loopy(7, 5.35);
if ((e.getSource() == Amortize) && (rateTermList.getSelectedIndex() == 2))
loopy(15, 5.5);
if ((e.getSource() == Amortize) && (rateTermList.getSelectedIndex() == 3))
loopy(30, 5.75);
if (e.getSource() == ClrBtn)
rateTermList.setSelectedIndex(0);
lcdLoanAmt.setText(null);
lcdMonthlyPmt.setText(null);
displayArea.setText(null);
if (e.getSource() == CloseBtn)
System.exit(0);
private void loopy(int lTerm,double lInterest)
double total, monthly, monthlyrate, monthint, monthprin, balance, lastint, paid;
int amount, months, termloop, monthloop;
String lcd2 = lcdLoanAmt.getText();
amount = Integer.parseInt(lcd2);
termloop = 1;
paid = 0.00;
monthlyrate = lInterest / (12 * 100);
months = lTerm * 12;
monthly = amount *(monthlyrate/(1-Math.pow(1+monthlyrate,-months)));
total = months * monthly;
balance = amount;
while (termloop <= lTerm)
displayArea.setCaretPosition(0);
displayArea.append("\n");
displayArea.append("Year " + termloop + " of " + lTerm + ": payments\n");
displayArea.append("\n");
displayArea.append("Month\tMonthly\tPrinciple\tInterest\tBalance\n");
monthloop = 1;
while (monthloop <= 12)
monthint = balance * monthlyrate;
monthprin = monthly - monthint;
balance -= monthprin;
paid += monthly;
displayArea.setCaretPosition(0);
displayArea.append(monthloop + "\t" + calcPattern.format(monthly) + "\t" + calcPattern.format(monthprin) + "\t");
displayArea.append(calcPattern.format(monthint) + "\t" + calcPattern.format(balance) + "\n");
monthloop ++;
termloop ++;
public static void main(String args[])
MORT_RETRY f = new MORT_RETRY();
f.setTitle("MORTGAGE PAYMENT CALCULATOR");
f.setBounds(600, 600, 500, 500);
f.setLocationRelativeTo(null);
f.setVisible(true);
}need help with displaying the textarea correctly and the scroll bar please.
Message was edited by:
new2this2020

What's the problem you're having ???
PS.

Need help with trim and null function

Hi all,
I need help with a query. I use the trim function to get the first three characters of a string. How do I write my query so if a null value occurs in combination with my trim to say 'Null' in my results?
Thanks

Hi,
Thanks for the reply. What am I doing wrong?
SELECT trim(SUBSTR(AL1.user_data_text,1,3)),NVL
(AL1.user_data_text,'XX')
FROM Table
I want the XX to appear in the same column as the
trim.The main thing you're doing wrong is not formatting your code. The solution may become obvious if you do.
What you're saying is:
SELECT trim ( SUBSTR (AL1.user_data_text, 1, 3))
,       NVL ( AL1.user_data_text, 'XX' )
FROM    Tablewhich makes it clear that you're SELECTing two columns, when you only want to have one.
If you want that column to be exactly like the first column you're currently SELECTing, except that when that column is NULL you want it to be 'XX', then you have to apply NVL to that column, like this:
SELECT NVL ( trim ( SUBSTR (AL1.user_data_text, 1, 3))
            , 'XX'
FROM    Table

Need help with Regual Expressions

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