Recital

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Recital implements SQL-92 and most of the SQL-99 standard for SQL, but also provides lower level navigational data access for performing high transaction throughput. It is the choice of the application developer whether to use SQL, navigational data access, or a combination of both depending upon the type of application being developed.
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In Linux you can run lsof and pipe it though grep for the files you are interested in, for example;
$ lsof | grep db.exe | grep accounts
db.exe    16897      john    6uw     REG      253,0    20012    3413872 /usr/recital100/qa/accounts.dbf
db.exe    16897      john    7u      REG      253,0     4176    3413885 /usr/recital100/qa/accounts.dbx
If you want to check for locks you can use lslk, for example;
$ lslk | grep db.exe | grep accounts
db.exe    16897 253,0 3413872 20012  w 0  0  0 12319   0 /usr/recital100/qa/accounts.dbf
If you don't have lslk installed you can install it with one of the updaters, for example on redhat linux:
$ yum update lslk

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In Adobe's own words:

"Adobe® AIR® is a cross-operating system runtime that lets developers combine HTML, Ajax, Adobe Flash®, and Adobe Flex® technologies to deploy rich Internet applications (RIAs) on the desktop."

The outcome of this combination of technologies is that developers can design and render quite beautiful user interfaces cross platform. For us desktop Linux users it is nice to have an additional avenue for obtaining and running attractive desktop applications.

Examples of great Adobe air applications are Adobe.com for My Desktop, TweetDeck and the Times Reader. You can download these applications and many more at the Adobe Marketplace.

The easiest way to install Adobe Air on Fedora 12 is to download the latest build from Adobe, click here.

Once you have downloaded the .bin file do the following at the shell:
su -
chmod +x AdobeAIRInstaller.bin
./AdobeAIRInstaller.bin
Once you have Air installed, there is a slight tweak you will have to do to get it running on Fedora 12, it is related to the security certificates. This can be remedied in one simple line at the shell prompt as root.
su -
for c in /etc/opt/Adobe/certificates/crypt/*.0; do aucm -n $(basename $c) -t true; done
What this line is doing is using the aucm which is the Adobe Unix certificate manager to set the certificates installed as trusted.
You will now be able to go to the Adobe Marketplace and download and run Air applications without any issues.

Enjoy!

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In this article Chris Mavin, explains and details how to Store and Retrieve Binary Objects in a Recital Database.
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lslk lists information about locks held on files with local inodes on systems running linux.

Install it with:

yum install lslk
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Warnings

This is a sample info message. Use <p class="gkInfo1">Your info message goes here!</p>.

This is a sample tips message. Use <p class="gkTips1">Your tips goes here!</p>.

This is a sample warning message. Use <p class="gkWarning1">Your warning message goes here!</p>.

This is a sample info message. Use <p class="gkInfo2">Your info message goes here!</p>.

This is a sample tips message. Use <p class="gkTips2">Your tips goes here!</p>.

This is a sample warning message. Use <p class="gkWarning2">Your warning message goes here!</p>.

This is a sample info message. Use <p class="gkInfo3">Your info message goes here!</p>.

This is a sample tips message. Use <p class="gkTips3">Your tips goes here!</p>.

This is a sample warning message. Use <p class="gkWarning3">Your warning message goes here!</p>.

This is a sample info message. Use <p class="gkInfo4">Your info message goes here!</p>.

This is a sample tips message. Use <p class="gkTips4">Your tips goes here!</p>.

This is a sample warning message. Use <p class="gkWarning4">Your warning message goes here!</p>.

This is a sample info message. Use <p class="gkInfo5">Your info message goes here!</p>.

This is a sample tips message. Use <p class="gkTips5">Your tips goes here!</p>.

This is a sample warning message. Use <p class="gkWarning5">Your warning message goes here!</p>.

Headers

This is heading 1

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer semper egestas nunc in volutpat. Fusce adipiscing velit ac eros tempor iaculis. Phasellus venenatis mollis augue, non posuere odio placerat in. Etiam volutpat ultrices lectus. Fusce eu felis erat. Donec congue interdum elit, sed ornare magna convallis lacinia. In hac habitasse platea dictumst. Mauris volutpat consectetur accumsan.

This is heading 2

Cras diam justo, sodales quis lobortis sed, lobortis vel mauris. Sed a mollis nunc. Quisque semper condimentum lectus, eget laoreet ipsum auctor et. Quisque sagittis luctus augue, id fringilla enim euismod quis. Nullam blandit, elit at euismod rutrum, tortor nibh posuere mauris, in volutpat diam ante ac dui. Sed velit massa, imperdiet placerat tristique et, consectetur a lorem. Praesent aliquet turpis in quam tempor eu pulvinar nibh luctus.

This is heading 3

Vivamus rhoncus arcu sit amet est tristique convallis nec vel eros. Vestibulum euismod luctus velit quis porta. Aliquam varius placerat mauris sed vehicula. Integer porta facilisis sapien, in tempus lorem mattis molestie. Suspendisse potenti. Praesent quis diam non dolor convallis mattis eu id nulla.

This is heading 4

Proin urna erat, egestas vel consectetur at, accumsan at purus. Donec est risus, facilisis dignissim placerat nec, euismod lacinia nisi. Nam ac sem sed quam sollicitudin condimentum et eu neque. Nunc enim urna, ultricies ac mollis pretium, imperdiet hendrerit massa. Sed eleifend felis sed tellus cursus lacinia. Aenean venenatis aliquet euismod. Nam quis turpis tellus, vitae malesuada neque.

This is a headline.

This is a subheadline.

Use <p class="gkHeadling">for headline</p>.Use <p class="gkSubHeadline">for subheadline</p>.Proin urna erat, egestas vel consectetur at, accumsan at purus. Donec est risus, facilisis dignissim placerat nec, euismod lacinia nisi. Nam ac sem sed quam sollicitudin condimentum et eu neque. Nunc enim urna, ultricies ac mollis pretium, imperdiet hendrerit massa. Sed eleifend felis sed tellus cursus lacinia. Aenean venenatis aliquet euismod. Nam quis turpis tellus, vitae malesuada neque.

This is a small headline

This is a large headline

Use <p class="gkHeadling">for headline</p>.Use <p class="gkSubHeadline">for subheadline</p>.Proin urna erat, egestas vel consectetur at, accumsan at purus. Donec est risus, facilisis dignissim placerat nec, euismod lacinia nisi. Nam ac sem sed quam sollicitudin condimentum et eu neque. Nunc enim urna, ultricies ac mollis pretium, imperdiet hendrerit massa. Sed eleifend felis sed tellus cursus lacinia. Aenean venenatis aliquet euismod. Nam quis turpis tellus, vitae malesuada neque.

Icon set 1

This is a sample audio message. Use <p class="gkAudio">Your audio message goes here!</p>.

This is a sample webcam message. Use <p class="gkWebcam">Your webcam goes here!</p>.

This is a sample email message. Use <p class="gkEmail">Your email message goes here!</p>.

This is a sample creditcard message. Use <p class="gkCreditcard">Your creditcart message goes here!</p>.

This is a sample feed message. Use <p class="gkFeed">Your feed goes here!</p>.

This is a sample help message. Use <p class="gkHelp">Your help message goes here!</p>.

This is a sample images message. Use <p class="gkImages">Your images message goes here!</p>.

This is a sample lock message. Use <p class="gkLock">Your webcam goes here!</p>.

This is a sample printer message. Use <p class="gkPrinter">Your printer message goes here!</p>.

This is a sample report message. Use <p class="gkReport">Your report message goes here!</p>.

This is a sample script message. Use <p class="gkScript">Your script goes here!</p>.

This is a sample time message. Use <p class="gkTime">Your time message goes here!</p>.

This is a sample user message. Use <p class="gkUser">Your user message goes here!</p>.

This is a sample world message. Use <p class="gkWorld">Your world goes here!</p>.

This is a sample cart message. Use <p class="gkCart">Your cart message goes here!</p>.

This is a sample cd message. Use <p class="gkCd">Your cd message goes here!</p>.

This is a sample chart_bar message. Use <p class="gkChartBar">Your chart_bar goes here!</p>.

This is a sample chart_line message. Use <p class="gkChartLine">Your chart_line message goes here!</p>.

This is a sample chart_pie message. Use <p class="gkChartPie">Your chart_pie message goes here!</p>.

This is a sample clock message. Use <p class="gkClock">Your clock goes here!</p>.

This is a sample cog message. Use <p class="gkCog">Your cog message goes here!</p>.

This is a sample coins message. Use <p class="gkCoins">Your coins message goes here!</p>.

This is a sample compress message. Use <p class="gkCompress">Your compress goes here!</p>.

This is a sample computer message. Use <p class="gkComputer">Your computer message goes here!</p>.

This is a sample cross message. Use <p class="gkCross">Your cross message goes here!</p>.

This is a sample disk message. Use <p class="gkDisk">Your disk goes here!</p>.

This is a sample error message. Use <p class="gkError">Your error message goes here!</p>.

This is a sample exclamation message. Use <p class="gkExclamation">Your exclamation message goes here!</p>.

This is a sample film message. Use <p class="gkFilm">Your film goes here!</p>.

This is a sample folder message. Use <p class="gkFolder">Your folder message goes here!</p>.

This is a sample group message. Use <p class="gkGroup">Your group message goes here!</p>.

This is a sample heart message. Use <p class="gkHeart">Your heart goes here!</p>.

This is a sample house message. Use <p class="gkHouse">Your house message goes here!</p>.

This is a sample image message. Use <p class="gkImage">Your image message goes here!</p>.

This is a sample information message. Use <p class="gkInformation">Your information message goes here!</p>.

This is a sample magnifier message. Use <p class="gkMagnifier">Your magnifier message goes here!</p>.

This is a sample money message. Use <p class="gkMoney">Your money goes here!</p>.

This is a sample new message. Use <p class="gkNew">Your new message goes here!</p>.

This is a sample note message. Use <p class="gkNote">Your note message goes here!</p>.

This is a sample page message. Use <p class="gkPage">Your page goes here!</p>.

This is a sample page_white message. Use <p class="gkPage_white">Your page_white message goes here!</p>.

This is a sample plugin message. Use <p class="gkPlugin">Your plugin message goes here!</p>.

This is a sample accept message. Use <p class="gkAccept">Your accept goes here!</p>.

This is a sample add message. Use <p class="gkAdd">Your add message goes here!</p>.

This is a sample camera message. Use <p class="gkCamera">Your camera message goes here!</p>.

This is a sample brick message. Use <p class="gkBrick">Your brick goes here!</p>.

This is a sample box message. Use <p class="gkBox">Your box message goes here!</p>.

This is a sample calendar message. Use <p class="gkCalendar">Your calendar message goes here!</p>.

Icon set 2

This is a sample audio message. Use <p class="gkAudioIs2">Your audio message goes here!</p>.

This is a sample email message. Use <p class="gkEmailIs2">Your email message goes here!</p>.

This is a sample feed message. Use <p class="gkFeedIs2">Your feed message goes here!</p>.

This is a sample images message. Use <p class="gkImagesIs2">Your images message goes here!</p>.

This is a sample lock message. Use <p class="gkLockIs2">Your lock message goes here!</p>.

This is a sample printer message. Use <p class="gkPrinterIs2">Your printer message goes here!</p>.

This is a sample time message. Use <p class="gkTimeIs2">Your time message goes here!</p>.

This is a sample user message. Use <p class="gkUserIs2">Your calendar message goes here!</p>.

This is a sample world message. Use <p class="gkWorldIs2">Your world message goes here!</p>.

YThis is a sample cart message. Use <p class="gkCartIs2">Your cart message goes here!</p>.

This is a sample cd message. Use <p class="gkCdIs2">Your cd message goes here!</p>.

This is a sample chart line message. Use <p class="gkChartLineIs2">Your chart line message goes here!</p>.

This is a sample chart pie message. Use <p class="gkChartPieIs2">Your calendar message goes here!</p>.

This is a sample clock message. Use <p class="gkClockIs2">Your clock message goes here!</p>.

This is a sample config message. Use <p class="gkCogIs2">Your config message goes here!</p>.

This is a sample computer message. Use <p class="gkComputerIs2">Your computer message goes here!</p>.

This is a sample error message. Use <p class="gkErrorIs2">Your error message goes here!</p>.

This is a sample exclamation message. Use <p class="gkExclamationIs2">Your exclamation message goes here!</p>.

This is a sample movie message. Use <p class="gkFilmIs2">Your movie message goes here!</p>.

This is a sample folder message. Use <p class="gkFolderIs2">Your folder message goes here!</p>.

This is a group calendar message. Use <p class="gkGroupIs2">Your group message goes here!</p>.

This is a sample house message. Use <p class="gkHouseIs2">Your house message goes here!</p>.

This is a sample image message. Use <p class="gkImageIs2">Your image message goes here!</p>.

This is a sample information message. Use <p class="gkInfromationIs2">Your information message goes here!</p>.

This is a sample magnifier message. Use <p class="gkMagnifierIs2">Your magnifier message goes here!</p>.

This is a sample money message. Use <p class="gkMoneyIs2">Your money message goes here!</p>.

This is a sample page message. Use <p class="gkPageIs2">Your page message goes here!</p>.

This is a sample camera message. Use <p class="gkCameraIs2">Your camera message goes here!</p>.

This is a calendar feed message. Use <p class="gkCalendarIs2">Your calendar message goes here!</p>.

This is a sample contact message. Use <p class="gkContactIs2">Your contact message goes here!</p>.

This is a sample facebook message. Use <p class="gkFacebookIs2">Your facebook message goes here!</p>.

This is a sample like it message. Use <p class="gkLikeItIs2">Your like it message goes here!</p>.

This is a sample twitter message. Use <p class="gkTwitterIs2">Your twitter message goes here!</p>.

This is a sample video message. Use <p class="gkVideoIs2">Your video message goes here!</p>.

This is a sample youtube message. Use <p class="gkYoutubeIs2">Your youtube message goes here!</p>.

Icon set 3

This is a sample audio message. Use <p class="gkAudioIs3">Your audio message goes here!</p>.

This is a sample camera message. Use <p class="gkCameraIs3">Your camera message goes here!</p>.

This is a sample lock message. Use <p class="gkLockIs3">Your lock message goes here!</p>.

This is a sample user message. Use <p class="gkUserIs3">Your user message goes here!</p>.

This is a sample cart message. Use <p class="gkCartIs3">Your cart message goes here!</p>.

This is a sample chart bar message. Use <p class="gkChartBarIs3">Your chart bar message goes here!</p>.

This is a sample config message. Use <p class="gkConfigIs3">Your config message goes here!</p>.

This is a sample configuration message. Use <p class="gkConfig2Is3">Your configuration message goes here!</p>.

This is a sample computer message. Use <p class="gkComputerIs3">Your computer message goes here!</p>.

This is a sample coffe message. Use <p class="gkCoffeIs3">Your coffe message goes here!</p>.

This is a sample cross message. Use <p class="gkCrossIs3">Your cross message goes here!</p>.

This is a sample error message. Use <p class="gkErrorIs3">Your error message goes here!</p>.

This is a sample house message. Use <p class="gkHouseIs3">Your house message goes here!</p>.

This is a sample information message. Use <p class="gkInformationIs3">Your inforation message goes here!</p>.

This is a sample magnifier message. Use <p class="gkMagnifierIs3">Your magnifier message goes here!</p>.

This is a sample page message. Use <p class="gkPageIs3">Your page message goes here!</p>.

This is a sample lock message. Use <p class="gkLockIs3">Your lock message goes here!</p>.

This is a sample camera message. Use <p class="gkCameraIs3">Your camera message goes here!</p>.

This is a sample star message. Use <p class="gkStarIs3">Your star message goes here!</p>.

This is a sample telephone message. Use <p class="gkTelephoneIs3">Your telephone message goes here!</p>.

Tooltips

Here are some examples of a ClassicThis is just an example of what you can do using a CSS tooltip, feel free to get creative and produce your own!, CriticalCriticalThis is just an example of what you can do using a CSS tooltip, feel free to get creative and produce your own!, HelpHelpThis is just an example of what you can do using a CSS tooltip, feel free to get creative and produce your own!, InformationInformationThis is just an example of what you can do using a CSS tooltip, feel free to get creative and produce your own! and WarningWarningThis is just an example of what you can do using a CSS tooltip, feel free to get creative and produce your own! CSS powered tooltip. This is just an example of what you can do so feel free to get creative and produce your own!

Highlights

This is a highlight phrase. Use <span class="gkHighlight1">Your highlight phrase goes here!</span>.

This is a highlight phrase. Use <span class="gkHighlight2">Your highlight phrase goes here!</span>.

This is a highlight phrase. Use <span class="gkHighlight3">Your highlight phrase goes here!</span>.

This is a highlight phrase. Use <span class="gkHighlight4">Your highlight phrase goes here!</span>.

Code

Below is a sample of <pre> or <div class="gkCode1">

#wrapper {
position: relative;
float: left;
display: block;
}

Below is a sample of <div class="gkCode2">

#wrapper {
position: relative;
float: left;
display: block;
}

Below is a sample of <div class="gkCode3"><h4>Name of your file</h4>Here goes your code</div>



File

#wrapper {
position: relative;
float: left;
display: block;
}

Unordered lists

Types of unordered lists

<ul class="gkBullet1">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkBullet2">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkBullet3">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkBullet4">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkCircle1">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkCircle2">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkSquare1">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkSquare2">

  • Element 1
  • Element 2
  • Element 3

<ul class="gkSquare3">

  • Element 1
  • Element 2
  • Element 3

Ordered lists

Types of ordered list:

<ol class="gkRoman">

  1. Element
  2. Element
  3. Element
  4. Element

<ol class="gkDec">

  1. Element
  2. Element
  3. Element
  4. Element

<ol class="gkAlpha">

  1. Element
  2. Element
  3. Element
  4. Element

<ol class="gkDecimalLeadingZero">

  1. Element
  2. Element
  3. Element
  4. Element

<div class="gkNumber1"><p><span>here goes a number</span>and here text of element</p>

01 Element

02 Element

<div class="gkNumber2"><p><span>here goes a number</span>and here text of element</p>

01 Element

02 Element

Abbrs and acronyms

This is a sample of an abbreviation Dr. Use <abbr title="Here goes full word or phrase">here goes an abbreviation</abbr>

This is a sample of an acronym NATO. Use <acronym title="Here goes full phrase">here goes an acronym</abbr>

Definition lists

Below are samples of definition lists

<dl class="gkDef1"><dt>Here goes the word you're about to define</dt><dd>Here goes definition</dd></dl>

Butter
it is a dairy product made by churning fresh or fermented cream or milk. It is generally used as a spread and a condiment, as well as in cooking applications such as baking, sauce making, and frying. Butter consists of butterfat, water and milk proteins.
Dairy milk
is an opaque white liquid produced by the mammary glands of mammals (including monotremes). It provides the primary source of nutrition for newborn mammals before they are able to digest other types of food.

<dl class="gkDef2"><dt>Here goes the word you're about to define</dt><dd>Here goes definition</dd></dl>

Butter
it is a dairy product made by churning fresh or fermented cream or milk. It is generally used as a spread and a condiment, as well as in cooking applications such as baking, sauce making, and frying. Butter consists of butterfat, water and milk proteins.
Dairy milk
is an opaque white liquid produced by the mammary glands of mammals (including monotremes). It provides the primary source of nutrition for newborn mammals before they are able to digest other types of food.

<dl class="gkDef3"><dt>Here goes the word you're about to define</dt><dd>Here goes definition</dd></dl>

Butter
it is a dairy product made by churning fresh or fermented cream or milk. It is generally used as a spread and a condiment, as well as in cooking applications such as baking, sauce making, and frying. Butter consists of butterfat, water and milk proteins.
Dairy milk
is an opaque white liquid produced by the mammary glands of mammals (including monotremes). It provides the primary source of nutrition for newborn mammals before they are able to digest other types of food.

Legends

Legend

This is a sample legend note. Use <div class="gkLegend1"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Legend

This is a sample legend note. Use <div class="gkLegend2"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Legend

This is a sample legend note. Use <div class="gkLegend3"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Legend

This is a sample legend note. Use <div class="gkLegend4"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Legend

This is a sample legend note. Use <div class="gkLegend5"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Legend

This is a sample legend note. Use <div class="gkLegend6"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Legend

This is a sample legend note. Use <div class="gkLegend7"> <h4> Title </h4> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.</p> </div>.

Dropcaps

This is a sample text with Dropcap. Use <p> <span class="gkDropcap1">t</span> to make the first letter larger. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue. Duis quis quam sed purus porta eleifend. Vivamus ullamcorper est id libero aliquam ullamcorper. Donec eget dignissim augue. Donec ante felis, aliquam ut consequat eget, lobortis dapibus risus. Aliquam laoreet enim et lectus ornare hendrerit. Aliquam rhoncus enim libero. Morbi aliquam, nibh mattis feugiat dapibus, nisi massa adipiscing justo, sit amet condimentum urna ipsum et lacus. Nam fermentum, eros quis ullamcorper convallis, libero mauris lacinia eros, sed tempus leo lorem vitae purus. Nunc a malesuada felis. Cras ultrices sapien eu nisi elementum non blandit urna sodales. Duis accumsan cursus massa, eu facilisis diam porta ut..</p>.

This is a sample text with Dropcap. Use <p> <span class="gkDropcap2">t</span> to make the first letter larger. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue. Duis quis quam sed purus porta eleifend. Vivamus ullamcorper est id libero aliquam ullamcorper. Donec eget dignissim augue. Donec ante felis, aliquam ut consequat eget, lobortis dapibus risus. Aliquam laoreet enim et lectus ornare hendrerit. Aliquam rhoncus enim libero. Morbi aliquam, nibh mattis feugiat dapibus, nisi massa adipiscing justo, sit amet condimentum urna ipsum et lacus. Nam fermentum, eros quis ullamcorper convallis, libero mauris lacinia eros, sed tempus leo lorem vitae purus. Nunc a malesuada felis. Cras ultrices sapien eu nisi elementum non blandit urna sodales. Duis accumsan cursus massa, eu facilisis diam porta ut..</p>.

This is a sample text with Dropcap. Use <p class="gkDropcap3"> <span class="gkDropcap3">t</span> to make the first letter larger. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue. Duis quis quam sed purus porta eleifend. Vivamus ullamcorper est id libero aliquam ullamcorper. Donec eget dignissim augue. Donec ante felis, aliquam ut consequat eget, lobortis dapibus risus. Aliquam laoreet enim et lectus ornare hendrerit. Aliquam rhoncus enim libero. Morbi aliquam, nibh mattis feugiat dapibus, nisi massa adipiscing justo, sit amet condimentum urna ipsum et lacus. Nam fermentum, eros quis ullamcorper convallis, libero mauris lacinia eros, sed tempus leo lorem vitae purus. Nunc a malesuada felis. Cras ultrices sapien eu nisi elementum non blandit urna sodales. Duis accumsan cursus massa, eu facilisis diam porta ut..</p>.

Floated blocks

Below are samples of text in which part of it is displayed in a separate block

<p> Here goes main part of the text <span class="gkBlockTextLeft">Block of text</span>rest of the text</p>

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue. Duis quis quam sed purus porta eleifend.Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue.Donec eget dignissim augue. Donec ante felis, aliquam ut consequat eget, lobortis dapibus risus. Aliquam laoreet enim et lectus ornare hendrerit. Aliquam rhoncus enim libero. Morbi aliquam, nibh mattis feugiat dapibus, nisi massa adipiscing justo, sit amet condimentum urna ipsum et lacus. Nam fermentum, eros quis ullamcorper convallis, libero mauris lacinia eros, sed tempus leo lorem vitae purus. Nunc a malesuada felis. Cras ultrices sapien eu nisi elementum non blandit urna sodales. Duis accumsan cursus massa, eu facilisis diam porta ut. Morbi cursus est vel velit hendrerit dictum.

<p> Here goes main part of the text <span class="gkBlockTextRight">Block of text</span>rest of the text</p>

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue. Duis quis quam sed purus porta eleifend.Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue.Donec eget dignissim augue. Donec ante felis, aliquam ut consequat eget, lobortis dapibus risus. Aliquam laoreet enim et lectus ornare hendrerit. Aliquam rhoncus enim libero. Morbi aliquam, nibh mattis feugiat dapibus, nisi massa adipiscing justo, sit amet condimentum urna ipsum et lacus. Nam fermentum, eros quis ullamcorper convallis, libero mauris lacinia eros, sed tempus leo lorem vitae purus. Nunc a malesuada felis. Cras ultrices sapien eu nisi elementum non blandit urna sodales. Duis accumsan cursus massa, eu facilisis diam porta ut. Morbi cursus est vel velit hendrerit dictum.

<p> Here goes main part of the text <span class="gkBlockTextCenter">Block of text</span>rest of the text</p>

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue. Duis quis quam sed purus porta eleifend.Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum pulvinar justo, sed faucibus ligula feugiat ac. Morbi quis enim nulla, vel congue augue.Donec eget dignissim augue. Donec ante felis, aliquam ut consequat eget, lobortis dapibus risus. Aliquam laoreet enim et lectus ornare hendrerit. Aliquam rhoncus enim libero. Morbi aliquam, nibh mattis feugiat dapibus, nisi massa adipiscing justo, sit amet condimentum urna ipsum et lacus. Nam fermentum, eros quis ullamcorper convallis, libero mauris lacinia eros, sed tempus leo lorem vitae purus. Nunc a malesuada felis. Cras ultrices sapien eu nisi elementum non blandit urna sodales. Duis accumsan cursus massa, eu facilisis diam porta ut. Morbi cursus est vel velit hendrerit dictum.

Other span blocks

This is a sample pin note. Use <span class="gkClear">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkClear-1">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkClear-2">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-1">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-2">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-3">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-4">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-5">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-6">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

This is a sample pin note. Use <span class="gkColor-7">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer urna. Aenean tristique. Fusce a neque. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. </span>

Blockquotes

This is a sample quote text. Use < blockquote > Your quoted text goes here!< /blockquote >
This is a sample quote text. Use< blockquote><div class="gkBlockquote1"><div> Your quoted text goes here!< /div>< /div>< /blockquote >
This is a sample quote text. Use< blockquote><div class="gkBlockquote2"><div> Your quoted text goes here!< /div>< /div>< /blockquote >
This is a sample quote text. Use< blockquote><div class="gkBlockquote3"><div> Your quoted text goes here!< /div>< /div>< /blockquote >
This is a sample quote text. Use< blockquote><div class="gkBlockquote4"><div> Your quoted text goes here!< /div>< /div>< /blockquote >

Tables

Table Header (thead)
Table Footer (tfoot)
Column 1 Column 2
Cell 3 - part of tbody Cell 4 - part of tbody
Cell 5 - part of tbody Cell 6 - part of tbody
Cell 7 - part of tbody Cell 8 - part of tbody

Table Header (thead)
Table Footer (tfoot)
Column 1 Column 2
Cell 1 - part of tbody Cell 2 - part of tbody
Cell 3 - part of tbody Cell 4 - part of tbody
Cell 5 - part of tbody Cell 6 - part of tbody

 

 

Template additional styles

In order to get the video you have to use code like this:


<a class="gk_video_frame" href="http://www.vimeo.com/16274294" rel="mediabox[720 410]">
    <img src="/images/stories/demo/demo_video_1.png" border="0" alt="Video 1" />
    <span class="gk_vframe">Frame</span> 
    <span class="gk_voverlay">Overlay</span> 
    Watch the video 
</a>

As a href attribute you set the video address. In the rel attribute you can specify the video size. Image element is the thumbnail in the frame.

You can also create a blocks with icons. The structure is always similar - you have to change only second class near gk_block:


<div class="gk_block tablet">
<h3><a href="#">Mobile Ready</a></h3>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum</p>
</div>

Available blocks styles with classes:

android

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

blackberry

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

calendar

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

chat

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

clock

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

cog

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

firefox

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

info

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

mac

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

mail

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

mobilephone

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

phone

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

recycledbag

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

shoppingcart

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

tablet

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

user

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras quis erat elit. Donec pretium condimentum

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The best way to learn Recital is to build some applications. The developers of Recital have written a book "Recital Essentials" which you can read here.
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Occasionally subversion can get itself confused about what is and what is not in a working copy. This usually occurs if you have replaced the contents of a directory such as when you upgrade a component in Joomla!

You receive a message such containing this:

"working copy admin area is missing"

How to resolve this: 

Step 1 -- Rename the directory that is causing the error from a shell prompt and prefix it with __ 

mv com_docman __com_docman

Step 2 -- Using your subversion client refresh your working copy, then "update" the directory that is causing the problem e.g. update com_docman.

Step 3 -- Now you can commit the __com_docman directory.

After you have done this follow these steps, using your subversion client:

Step 4 -- delete the com_docman directory from your working copy
Step 5 -- rename __com_docman back to com_docman

Now "commit all" and both your working copy and repository will be in sync.
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In this article Barry Mavin, CEO and Chief Software Architect for Recital provides details on how to use the Recital Universal .NET Data Provider with the Recital Database Server.

Overview

A data provider in the .NET Framework serves as a bridge between an application and a data source. A data provider is used to retrieve data from a data source and to reconcile changes to that data back to the data source.

Each .NET Framework data provider has a DataAdapter object: the .NET Framework Data Provider for OLE DB is the OleDbDataAdapter object, the .NET Framework Data Provider for SQL Server is the SqlDataAdapter object, the .NET Framework Data Provider for ODBC is the OdbcDataAdapter object, and the .NET Framework Data Provider for the Recital Database Server is the RecitalDataAdapter object.

The Recital Universal .NET Data Provider can access any data sources supported by the Recital Database Server. It is not restricted to only access Recital data. It can be used to access server-side ODBC, JDBC and OLE DB data sources also.

Core classes of the Data Provider

The Connection, Command, DataReader, and DataAdapter objects represent the core elements of the .NET Framework data provider model. The Recital Universal .NET Data Provider is plug compatible with the .NET Framework Data Provider for SQL Server. All SQL Server classes are prefixed with "Sql" e.g. SqlDataAdaptor. To use the Recital Universal Data Adaptor, simply change the "Sql" prefix to "Recital" e.g. RecitalDataAdaptor.

The following table describes these objects.

Object Description
RecitalConnection Establishes a connection to a specific data source.
RecitalCommand Executes a command against a data source.
RecitalDataReader Reads a forward-only, read-only stream of data from a data source.
RecitalDataAdapter Populates a DataSet and resolves updates with the data source.

Along with the core classes listed in the preceding table, a .NET Framework data provider also contains the classes listed in the following table.


Object Description
RecitalTransaction Enables you to enlist commands in transactions at the data source.
RecitalCommandBuilder A helper object that will automatically generate command properties of a DataAdapter or will derive parameter information from a stored procedure and populate the Parameters collection of a Command object.
RecitalParameter Defines input, output, and return value parameters for commands and stored procedures.

The Recital Universal .NET Data Provider provides connectivity to the Recital Database Server running on any supported platform (Windows, Linux, Unix, OpenVMS) using the RecitalConnection object. The Recital Universal .NET Data Provider supports a connection string format that is similar to the SQL Server connection string format.

The basic format of a connection string consists of a series of keyword/value pairs separated by semicolons. The equal sign (=) connects each keyword and its value.

The following table lists the valid names for keyword values within the ConnectionString property of the RecitalConnection class.


Name Default Description
Data Source
-or-
Server
-or-
Servername
-or-
Nodename
  The name or network address of the instance of the Recital Database Server which to connect to.
Directory   The target directory on the remote server where data to be accessed resides. This is ignored when a Database is specified.
Encrypt
-or-
Encryption
false When true, DES3 encryption is used for all data sent between the client and server.
Initial Catalog
-or-
Database
  The name of the database on the remote server.
Password
-or- Pwd
  The password used to authenticate access to the remote server.
User ID
-or-
uid
-or-
User
-or-
Username
  The user name used to authenticate access to the remote server.
Connection Pooling
-or-
Pool
false Enable connection pooling to the server. This provides for one connection to be shared.
Logging false Provides for the ability to log all server requests for debugging purposes
Rowid true When Rowid is true (the default) a column will be post-fixed to each SELECT query that is a unique row identifier. This is used to provide optimised UPDATE and DELETE operations. If you use the RecitalSqlGrid, RecitalSqlForm, or RecitalSqlGridForm components then this column is not visible but is used to handle updates to the underlying data source.
Logfile   The name of the logfile for logging
Gateway  

Opens an SQL gateway(Connection) to a foreign SQL data source on the remote server.
Using Gateways, you can transparently access the following local or remote data sources:

  • Recital
  • Oracle
  • ODBC (Server-side ODBC data sources)
  • JDBC (Server-side JDBC data sources)
  • ADO (Use this to connect to SQL Server and other Native Windows OLEDB data sources)
  • MySQL
  • PostgreSQL

The gateway can be specified in several formats:
servertype@nodename:username/password-database
e.g.
oracle@nodename:username/password-database
mysql@nodename:username/password-database
postgresql@nodename:username/password-database
-or-
odbc:odbc_data_source_name_on_server
oledb:oledb_connection_string_on_server
jdbc:jdbc_driver_path_on_server;jdbc:Recital:args


Populating a DataSet from a DataAdaptor

The ADO.NET DataSet is a memory-resident representation of data that provides a consistent relational programming model independent of the data source. The DataSet represents a complete set of data including tables, constraints, and relationships among the tables. Because the DataSet is independent of the data source, a DataSet can include data local to the application, as well as data from multiple data sources. Interaction with existing data sources is controlled through the DataAdapter.

A DataAdapter is used to retrieve data from a data source and populate tables within a DataSet. The DataAdapter also resolves changes made to the DataSet back to the data source. The DataAdapter uses the Connection object of the .NET Framework data provider to connect to a data source and Command objects to retrieve data from and resolve changes to the data source.

The SelectCommand property of the DataAdapter is a Command object that retrieves data from the data source. The InsertCommand, UpdateCommand, and DeleteCommand properties of the DataAdapter are Command objects that manage updates to the data in the data source according to modifications made to the data in the DataSet.

The Fill method of the DataAdapter is used to populate a DataSet with the results of the SelectCommand of the DataAdapter. Fill takes as its arguments a DataSet to be populated, and a DataTable object, or the name of the DataTable to be filled with the rows returned from the SelectCommand.

The Fill method uses the DataReader object implicitly to return the column names and types used to create the tables in the DataSet, as well as the data to populate the rows of the tables in the DataSet. Tables and columns are only created if they do not already exist; otherwise Fill uses the existing DataSet schema.

Examples in C#:
////////////////////////////////////////////////////////////////////////
// include the references below
using System.Data;
using Recital.Data;

////////////////////////////////////////////////////////////////////////
// The following code example creates an instance of a DataAdapter that 
// uses a Connection to the Recital Database Server Southwind database 
// and populates a DataTable in a DataSet with the list of customers. 
// The SQL statement and Connection arguments passed to the DataAdapter 
// constructor are used to create the SelectCommand property of the DataAdapter.
public DataSet SelectCustomers()
{
	RecitalConnection swindConn = new
		RecitalConnection("Data Source=localhost;Initial Catalog=southwind");
	RecitalCommand selectCMD = new
		RecitalCommand("SELECT CustomerID, CompanyName FROM Customers", swindConn);
	selectCMD.CommandTimeout = 30;
	RecitalDataAdapter custDA = new RecitalDataAdapter();
	custDA.SelectCommand = selectCMD;
	swindConn.Open();
	DataSet custDS = new DataSet();
	custDA.Fill(custDS, "Customers");
	swindConn.Close();
	return custDS;
}

////////////////////////////////////////////////////////////////////////
// The following example uses the RecitalCommand, RecitalDataAdapter and 
// RecitalConnection, to select records from a database, and populate a 
// DataSet with the selected rows. The filled DataSet is then returned. 
// To accomplish this, the method is passed an initialized DataSet, a 
// connection string, and a query string that is a SQL SELECT statement
public DataSet SelectRecitalRows(DataSet dataset, string connection, string query) 
{
	RecitalConnection conn = new RecitalConnection(connection);
	SqlDataAdapter adapter = new RecitalDataAdapter();
	adapter.SelectCommand = new RecitalCommand(query, conn);
	adapter.Fill(dataset);
	return dataset;
}
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When you start the loadbalancer.org appliance you will see the following:

Default login:
Username: root
Password: loadbalancer

Access to webclient from an external client is:
http://192.168.1.129:9080
http://192.168.1.129:9443

You can access the web administrator using the IP and ports described onscreen.

For the sri lanka porject we are looking for performance and the network diagram indicates we are happy to have the cluster on the same subnet as the rest of the network.

Direct routing is the fasted performance possible, it has the advantage over NAT that the Loadbalancer does not become a bottleneck for incoming and outgoing packets. With DR the loadbalancer simply examines incoming packets and the servers to route the packets directly back to the requesting user.

The web interfaceis the only way to fully configure the loadbalancer vm. The console tool lbwizard will get it initiallised and any further configurations can then be done via the webinterface.

Using lbwizard for the Sri lanka configuration follow these steps.

On the first Loadbalancer:

//Start

Is this unit part for a HA Pair?
YES

Have you already setup the Slave?
NO

Is this a one-armed configuration?
YES

Enter the IP Address for the interface eth0?
Enter IP address you wish to be assigned to the SLAVE loadbalancer.

Enter the netmask for interface eth0?
Enter netmask for the subnet.

Enter the Floating IP adrress?
Enter the IP address that will be IP assosiacted the the HA-pair of loadbalancers.

//Finish

On the 2nd loadbalancer VM, run the lbwizard.

//Start

Is this unit part of an HA-Pair?
YES

Have you already set up the Slave?
YES

What is the slave units UP address?
Enter the IP which you entered when configuring the other loadbalancer VM.

Is this a one-armed configuration?
YES

Enter the IP Address for the interface eth0?
Enter the IP that will be assigned to the MASTER loadbalancer

Enter the netmask for interface eth0?
Enter the subnet netmask.

Enter the Floating IP address?
Enter the IP address that will be IP assosiacted the the HA-pair of loadbalancers.

Enter the address of the default gateway?
Enter the deafult gateway for the subnet.

Enter the IP of the nameserver?
Enter the dns server.

Enter the port for the first Virtual server?
Enter 22 for ssh

Enter the IP address of the first real server?
Enter the real IP of the first appserver

//Finish

Now this is complete we need to go to the web admin interface to configure the 2nd Real Server. As the lbwizard program will only allow you to configure 1 real server.

Now login to the web admin using the default password:

username: loadbalancer
password: loadbalancer

Note: Connect to the IP you have now set for your master loadbalancer

Goto the edit configuration tab

Now click add a real server:

Enter a label
IP address of the server plus the port of the service i.e. 192.168.1.125:22


Edit Configuration -> Virtual Servers

persistancte -> NO

Scheduler-> LC
LC - Least-Connection: assign more jobs to real servers with
fewer active jobs.

Service to check -> custom1

Check port -> 22

Forwarding Method -> DR

Feedback Method -> Agent

Arp Problem when using DR

Every real server must be configured to respond to the VIP address as well as the RIP
address.

You can use iptables (netfilter) on the real server to re-direct incoming packets destined for the virtual
server IP address.

This is a simple case of adding the following command to your start up script (rc.local):

//replace 10.0.0.21 with the Virtual Server IP
iptables -t nat -A PREROUTING -p tcp -d 10.0.0.21 -j REDIRECT

chkconfig iptables on

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