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  • 7 Tips For Creating the Perfect Title Tag For Your Website

    Title tags are the first line of clickable text that shows up in the search engine results. They also carry huge weight with search engines when rankings are calculated. These two facts combined make title tags one of the most important on page optimisations you can make for your entire website.

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  • A Couple of SEO Tips to Improve Rankings

    SEO is becoming overly complicated, but really all people need to focus on to guarantee a rankings increase is basic SEO. For example optimizing title tags, heading tags, using alt text properly and using file names and directories effectively.

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  • Using BPEL Performance Statistics to Diagnose Performance Bottlenecks

    - by fip
    Tuning performance of Oracle SOA 11G applications could be challenging. Because SOA is a platform for you to build composite applications that connect many applications and "services", when the overall performance is slow, the bottlenecks could be anywhere in the system: the applications/services that SOA connects to, the infrastructure database, or the SOA server itself.How to quickly identify the bottleneck becomes crucial in tuning the overall performance. Fortunately, the BPEL engine in Oracle SOA 11G (and 10G, for that matter) collects BPEL Engine Performance Statistics, which show the latencies of low level BPEL engine activities. The BPEL engine performance statistics can make it a bit easier for you to identify the performance bottleneck. Although the BPEL engine performance statistics are always available, the access to and interpretation of them are somewhat obscure in the early and current (PS5) 11G versions. This blog attempts to offer instructions that help you to enable, retrieve and interpret the performance statistics, before the future versions provides a more pleasant user experience. Overview of BPEL Engine Performance Statistics  SOA BPEL has a feature of collecting some performance statistics and store them in memory. One MBean attribute, StatLastN, configures the size of the memory buffer to store the statistics. This memory buffer is a "moving window", in a way that old statistics will be flushed out by the new if the amount of data exceeds the buffer size. Since the buffer size is limited by StatLastN, impacts of statistics collection on performance is minimal. By default StatLastN=-1, which means no collection of performance data. Once the statistics are collected in the memory buffer, they can be retrieved via another MBean oracle.as.soainfra.bpel:Location=[Server Name],name=BPELEngine,type=BPELEngine.> My friend in Oracle SOA development wrote this simple 'bpelstat' web app that looks up and retrieves the performance data from the MBean and displays it in a human readable form. It does not have beautiful UI but it is fairly useful. Although in Oracle SOA 11.1.1.5 onwards the same statistics can be viewed via a more elegant UI under "request break down" at EM -> SOA Infrastructure -> Service Engines -> BPEL -> Statistics, some unsophisticated minds like mine may still prefer the simplicity of the 'bpelstat' JSP. One thing that simple JSP does do well is that you can save the page and send it to someone to further analyze Follows are the instructions of how to install and invoke the BPEL statistic JSP. My friend in SOA Development will soon blog about interpreting the statistics. Stay tuned. Step1: Enable BPEL Engine Statistics for Each SOA Servers via Enterprise Manager First st you need to set the StatLastN to some number as a way to enable the collection of BPEL Engine Performance Statistics EM Console -> soa-infra(Server Name) -> SOA Infrastructure -> SOA Administration -> BPEL Properties Click on "More BPEL Configuration Properties" Click on attribute "StatLastN", set its value to some integer number. Typically you want to set it 1000 or more. Step 2: Download and Deploy bpelstat.war File to Admin Server, Note: the WAR file contains a JSP that does NOT have any security restriction. You do NOT want to keep in your production server for a long time as it is a security hazard. Deactivate the war once you are done. Download the bpelstat.war to your local PC At WebLogic Console, Go to Deployments -> Install Click on the "upload your file(s)" Click the "Browse" button to upload the deployment to Admin Server Accept the uploaded file as the path, click next Check the default option "Install this deployment as an application" Check "AdminServer" as the target server Finish the rest of the deployment with default settings Console -> Deployments Check the box next to "bpelstat" application Click on the "Start" button. It will change the state of the app from "prepared" to "active" Step 3: Invoke the BPEL Statistic Tool The BPELStat tool merely call the MBean of BPEL server and collects and display the in-memory performance statics. You usually want to do that after some peak loads. Go to http://<admin-server-host>:<admin-server-port>/bpelstat Enter the correct admin hostname, port, username and password Enter the SOA Server Name from which you want to collect the performance statistics. For example, SOA_MS1, etc. Click Submit Keep doing the same for all SOA servers. Step 3: Interpret the BPEL Engine Statistics You will see a few categories of BPEL Statistics from the JSP Page. First it starts with the overall latency of BPEL processes, grouped by synchronous and asynchronous processes. Then it provides the further break down of the measurements through the life time of a BPEL request, which is called the "request break down". 1. Overall latency of BPEL processes The top of the page shows that the elapse time of executing the synchronous process TestSyncBPELProcess from the composite TestComposite averages at about 1543.21ms, while the elapse time of executing the asynchronous process TestAsyncBPELProcess from the composite TestComposite2 averages at about 1765.43ms. The maximum and minimum latency were also shown. Synchronous process statistics <statistics>     <stats key="default/TestComposite!2.0.2-ScopedJMSOSB*soa_bfba2527-a9ba-41a7-95c5-87e49c32f4ff/TestSyncBPELProcess" min="1234" max="4567" average="1543.21" count="1000">     </stats> </statistics> Asynchronous process statistics <statistics>     <stats key="default/TestComposite2!2.0.2-ScopedJMSOSB*soa_bfba2527-a9ba-41a7-95c5-87e49c32f4ff/TestAsyncBPELProcess" min="2234" max="3234" average="1765.43" count="1000">     </stats> </statistics> 2. Request break down Under the overall latency categorized by synchronous and asynchronous processes is the "Request breakdown". Organized by statistic keys, the Request breakdown gives finer grain performance statistics through the life time of the BPEL requests.It uses indention to show the hierarchy of the statistics. Request breakdown <statistics>     <stats key="eng-composite-request" min="0" max="0" average="0.0" count="0">         <stats key="eng-single-request" min="22" max="606" average="258.43" count="277">             <stats key="populate-context" min="0" max="0" average="0.0" count="248"> Please note that in SOA 11.1.1.6, the statistics under Request breakdown is aggregated together cross all the BPEL processes based on statistic keys. It does not differentiate between BPEL processes. If two BPEL processes happen to have the statistic that share same statistic key, the statistics from two BPEL processes will be aggregated together. Keep this in mind when we go through more details below. 2.1 BPEL process activity latencies A very useful measurement in the Request Breakdown is the performance statistics of the BPEL activities you put in your BPEL processes: Assign, Invoke, Receive, etc. The names of the measurement in the JSP page directly come from the names to assign to each BPEL activity. These measurements are under the statistic key "actual-perform" Example 1:  Follows is the measurement for BPEL activity "AssignInvokeCreditProvider_Input", which looks like the Assign activity in a BPEL process that assign an input variable before passing it to the invocation:                                <stats key="AssignInvokeCreditProvider_Input" min="1" max="8" average="1.9" count="153">                                     <stats key="sensor-send-activity-data" min="0" max="1" average="0.0" count="306">                                     </stats>                                     <stats key="sensor-send-variable-data" min="0" max="0" average="0.0" count="153">                                     </stats>                                     <stats key="monitor-send-activity-data" min="0" max="0" average="0.0" count="306">                                     </stats>                                 </stats> Note: because as previously mentioned that the statistics cross all BPEL processes are aggregated together based on statistic keys, if two BPEL processes happen to name their Invoke activity the same name, they will show up at one measurement (i.e. statistic key). Example 2: Follows is the measurement of BPEL activity called "InvokeCreditProvider". You can not only see that by average it takes 3.31ms to finish this call (pretty fast) but also you can see from the further break down that most of this 3.31 ms was spent on the "invoke-service".                                  <stats key="InvokeCreditProvider" min="1" max="13" average="3.31" count="153">                                     <stats key="initiate-correlation-set-again" min="0" max="0" average="0.0" count="153">                                     </stats>                                     <stats key="invoke-service" min="1" max="13" average="3.08" count="153">                                         <stats key="prep-call" min="0" max="1" average="0.04" count="153">                                         </stats>                                     </stats>                                     <stats key="initiate-correlation-set" min="0" max="0" average="0.0" count="153">                                     </stats>                                     <stats key="sensor-send-activity-data" min="0" max="0" average="0.0" count="306">                                     </stats>                                     <stats key="sensor-send-variable-data" min="0" max="0" average="0.0" count="153">                                     </stats>                                     <stats key="monitor-send-activity-data" min="0" max="0" average="0.0" count="306">                                     </stats>                                     <stats key="update-audit-trail" min="0" max="2" average="0.03" count="153">                                     </stats>                                 </stats> 2.2 BPEL engine activity latency Another type of measurements under Request breakdown are the latencies of underlying system level engine activities. These activities are not directly tied to a particular BPEL process or process activity, but they are critical factors in the overall engine performance. These activities include the latency of saving asynchronous requests to database, and latency of process dehydration. My friend Malkit Bhasin is working on providing more information on interpreting the statistics on engine activities on his blog (https://blogs.oracle.com/malkit/). I will update this blog once the information becomes available. Update on 2012-10-02: My friend Malkit Bhasin has published the detail interpretation of the BPEL service engine statistics at his blog http://malkit.blogspot.com/2012/09/oracle-bpel-engine-soa-suite.html.

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  • Permissions problem when copying files to /usr/share/tomcat6

    - by Nazar Hussain S
    Hi, I am running springsource framework in ubuntu 10.01. In my home folder, I have installed springsource IDE. I have my tomcat6 appserver in the /usr/share/tomcat6. While executing a sample project springapp, I have created the springapp dir in /users/share/tomcat6/webapps/ folder using sudo as I am unable to do it directly. On running the ant deploy or ant deploywar command, I am unable to copy the sample file -index.jsp from my workspace in springsource IDE to springapp dir in /usr/share/tomcat6/webapps as I am getting the error permission denied while copying the .jsp file. Can anybody please provide suggestion as to how to overcome this issue? Regards

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  • apache2 tomcat6 virtual hosting

    - by user3215
    I've apache2 and tomcat6 running on port 80 on ubuntu server 9.10. I've a registered domain name and I'll access the jsp index page navigating to http://abc.mydomain.com. The page is under tomcat_home/webapps/myapp and the below are tomcat virtual hosting in server.xml file: <Host name="abc.mydomain.com" debug="0" appBase="webapps" unpackWARs="true"> <Logger className="org.apache.catalina.logger.FileLogger" directory="logs" prefix="virtual_log1." suffix=".log" timestamp="true"/> <Context path="" docBase="/usr/share/tomcat/webapps/myapps" debug="0" reloadable="true"/> </Host> Recently a new domain has been bought(xyz.mydomain.com) and I'm asked to do the virtual hosting so that the new domain name directly points the page "admin.jsp" which is located under 'tomcat_home/webapps/myapps/WE-INF/js/'. How could I do this? If I type http://abc.mydomain.com/admin I'll get the page what I wanted. I should access the page just by typing http://xyz.mydomain.com.

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  • Happy New Year! Upcoming Events in January 2011

    - by mandy.ho
    Oracle Database kicks off the New Year at the following events during the month of January. Hope to see you there and please send in your pictures and feedback! Jan 20, 2011 - San Francisco, CA LinkShare Symposium West 2011 Oracle is a proud Gold Sponsor at the LinkShare Symposium West 2011 January 20 in San Francisco, California. Year after year LinkShare has been bringing their network the opportunity to come to life. At the LinkShare Symposium online performance marketing leaders meet to optimize face-to-face during a full day of networking. Learn more by attending Oracle Breakout Session, "Omni - Channel Retailing, What is possible now?" on Thursday, January 20, 11:15 a.m. - 12:00 noon, Grand Ballroom. http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=128306&src=6954634&src=6954634&Act=397 Jan 24, 2011 - Cincinnati, OH Greater Cincinnati Oracle User Group Meeting "Tom Kyte Day" - Featuring a day of sessions presented by Senior Technical Architect, Tom Kyte. Sessions include "Top 10, no 11, new features of Oracle Database 11g Release 2" and "What do I really need to know when upgrading", plus more. http://www.gcoug.org/ Jan 25, 2011 - Vancouver, British Columbia Oracle Security Solutions Forum Featuring a Special Keynote Presentation from Tom Kyte - Complete Database Security Join us at this half-day event; Oracle Database Security Solutions: Complete Information Security. Learn how Oracle Database Security solutions help you: • Prevent external threats like SQL injection attacks from reaching your databases • Transparently encrypt application data without application changes • Prevent privileged database users and administrators from accessing data • Use native database auditing to monitor and report on database activity • Mask production data for safe use in nonproduction environments http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=126974&src=6958351&src=6958351&Act=97 Jan 26, 2011 - Halifax, Nova Scotia Oracle Database Security Technology Day Exclusive Seminar on Complete Information Security with Oracle Database 11g The amount of digital data within organizations is growing at unprecedented rates, as is the value of that data and the challenges of safeguarding it. Yet most IT security programs fail to address database security--specifically, insecure applications and privileged users. So how can you protect your mission-critical information? Avoid risky third-party solutions? Defend against security breaches and compliance violations? And resist costly new infrastructure investments? Join us at this half-day seminar, Oracle Database Security Solutions: Complete Information Security, to find out http://eventreg.oracle.com/webapps/events/ns/EventsDetail.jsp?p_eventId=126269&src=6958351&src=6958351&Act=93

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  • How to change the default editor of a specific file type in JDeveloper

    - by [email protected]
    When you open a file in JDeveloper, the mode that is used as the default might not be what you as a developer want.  If, for example, every time you open a .jsp(x) file you click on the source tab at the bottom of the window so that you can edit the jsp(x) file in source code mode, you may want to consider changing the default editor for that file type.  This is easy to do in the JDeveloper tool preferences and can be a time saver in the long run, since some editors can take a while to start up and if you don't need them often, this would just be lost time.  Here are the steps:  From the JDeveloper menu, select Tools->Preferences...Select "File Types" in the tree component on the left side of the preferences dialog.Click on the "Default Editors" tab.Scroll to the file type you want to change.In the details section at the bottom of the dialog, use the "Default Editor" select list to change the default to your liking.

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  • How fast does a language get outdated?

    - by Dummy Derp
    I started learning Java recently. I started learning it using books that I picked up from the library, some that I bought, and here and there from Java documentation. The book that I use for Java was published in the year 2011. In 2012, Java8 will be released followed by Java9 in the year 2013. The questions are: How do I keep myself updated about developments in Java without having to buy a tome for Java8 and/or Java9 Is a book published in 2008 an outdated book for studying JSP and Servelets? I'm talking about Head First Servlets and JSP

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  • How quickly does the Java language get outdated?

    - by Dummy Derp
    I started learning Java recently. I started learning it using books that I picked up from the library, some that I bought, and here and there from Java documentation. The book that I use for Java was published in the year 2011. In 2012, Java8 will be released followed by Java9 in the year 2013. The questions are: How do I keep myself updated about developments in Java without having to buy a tome for Java8 and/or Java9 Is a book published in 2008 an outdated book for studying JSP and Servelets? I'm talking about Head First Servlets and JSP

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  • How quickly does a language get outdated?

    - by Dummy Derp
    I started learning Java recently. I started learning it using books that I picked up from the library, some that I bought, and here and there from Java documentation. The book that I use for Java was published in the year 2011. In 2012, Java8 will be released followed by Java9 in the year 2013. The questions are: How do I keep myself updated about developments in Java without having to buy a tome for Java8 and/or Java9 Is a book published in 2008 an outdated book for studying JSP and Servelets? I'm talking about Head First Servlets and JSP

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  • What technology(s)would be suitable for the front end part of a Java web game?

    - by James.Elsey
    As asked in a previous question, I'm looking to create a small MMO that will be deployed onto GAE. I'm confused about what technologies I could use for the user interface, I've considered the following JSP Pages - I've got experience with JSP/JSTL and I would find this easy to work with, it would require the user having to "submit" the page each time they perform an action so may become a little clumsey for players. Applet - I could create an applet that sits on the front end and communicates to the back end game engine, however I'm not sure how good this method would be and have not used applets since university.. What other options do I have? I don't have any experience in Flash/Flex so there would be a big learning curve there. Are there any other Java based options I may be able to use? My game will be text based, I may use some images, but I'm not intending to have any animations/graphics etc Thanks

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  • Beginner questions on Java Regular Expression

    - by Robert
    Hello everyone. I began studying Java Regular Expression recently and I found some really intersting task.For example,I now need to dig out "Product Name","Product Description" and "Sellers for this product" out of the following HTML code.(I am sorry for the big chunck of code,but it is very straightforward) <td class="sr-check"> <input type="checkbox" name="cptitle" value="678560038" /></td> <td class="sr-image" style="width: 80px;"><a href="/Nikon-D300S-12-3-678560038/prices-html" class="strictRule" rel="nofollow"><img src="http://img01.static-nextag.com/image/Nikon-D300S-12-3-MP-Digital-SLR-Camera-Body-Black/0/000/006/789/461/678946110.jpg" alt="Nikon D300S 12.3 MP Digital SLR Camera Body - Black" class="imageLink strictRule" height="75" width="75" id="opILink_0" title="Nikon Digital Cameras - Nikon D300S 12.3 MP Digital SLR Camera Body - Black" /></a><div class="breaker">&nbsp;</div></td> <td class="sr-info"> <div class="sr-info"> <a id="opPNLink_0" class="underline" style="font-size:16px" href="/Nikon-D300S-12-3-678560038 /prices-html" >Nikon D300S 12.3 MP <b>Digital</b> SLR <b>Camera</b> Body - Black</a> <div class="sr-subinfo"> <div class="sr-info-description">SLR - 13.1MP, 12.3MP - 1x Optical Zoom - CompactFlash, SD/MMC Memory Card - 3in.</div> <div class="rating"> <img src="http://img01.static-nextag.com/imagefiles/stars/stars4_10px.gif" alt="4/5 stars" title="4/5 stars" /> (92 user ratings)</div> <div style="clear: both;"> <!-- nxtginc=nextag.api.ServerInclude$JSPIncludeWriter(/buyer/ATLSSI.jsp?ptid=678560038&dts=y) --> <a id="_atl_0" style="" href="http://www.nextag.com/serv/main/buyer/MyPDir.jsp?list=_transCookieList&amp;cmd=add&amp;ptitle=678560038" rel="nofollow">+ Add to Shopping List</a> &nbsp;|&nbsp; <!-- endnxtginc --> <a rel="nofollow" id="mltLink_0" class="mlt-link" href="/Digital-Cameras--zz500001z2z678560038zB2dgz5---html">See More Like This</a> </div> <div id="fsLink_0" class="featuredSeller"> <a rel="nofollow" class="featuredSeller" id="opFSLink_0_0" href="/norob/PtitleSeller.jsp?chnl=main&amp;tag=785646073amp;ctx=x%2BN%2Fs9zy56l4u8RXCzALE1jeLesDMzeK09rPQEdK3Yjx395ZzX9cMh9N5JAxjk7xPqF9hjk2ztM5IRXU5nspLubIXYaVzI%2B%2Fg7h1Qz58TzgvrWuNawV8qEIqqSmClArWMq6mpzNRuSlgg2xCXYObNnaIH00iKSUmBawDRvecwbCpAxhXgXoLEiEinTwr3EipComdzxL9UHFYTLoWUToUB5SRSsolQmEJ3mgnnvu83%2FC8W34TGpN9mJo%2BnyAeTkt4&amp;ptitle=678560038" target="_blank" >Thundercameras</a>:$1,289 &nbsp; <a rel="nofollow" class="featuredSeller" id="opFSLink_0_1" href="/norob/PtitleSeller.jsp?chnl=main&amp;tag=797076595&amp;ctx=x%2BN%2Fs9zy56l4u8RXCzALE1jeLesDMzeK09rPQEdK3Yjx395ZzX9cMh9N5JAxjk7xPqF9hjk2ztM5IRXU5nspLubIXYaVzI%2B%2Fg7h1Qz58TzgvrWuNawV8qEIqqSmClArWMq6mpzNRuSlgg2xCXYObNrcWLhL%2BhryuAGhXNhYSPE%2BpAxhXgXoLEiEinTwr3EipComdzxL9UHFYTLoWUToUB5SRSsolQmEJ3mgnnvu83%2FC8W34TGpN9mJo%2BnyAeTkt4&amp;ptitle=678560038" target="_blank" >PhotoVideoSuperStore</a>:$1,269 &nbsp; <a rel="nofollow" class="featuredSeller" id="opFSLink_0_2" href="/norob/PtitleSeller.jsp?chnl=main&amp;tag=803555293&amp;ctx=x%2BN%2Fs9zy56l4u8RXCzALE1jeLesDMzeK09rPQEdK3Yjx395ZzX9cMh9N5JAxjk7xPqF9hjk2ztM5IRXU5nspLubIXYaVzI%2B%2Fg7h1Qz58TzgvrWuNawV8qEIqqSmClArWMq6mpzNRuSlgg2xCXYObNt06qcvLJ5UQz7S3zKd4urWpAxhXgXoLEiEinTwr3EipComdzxL9UHFYTLoWUToUB5SRSsolQmEJ3mgnnvu83%2FC8W34TGpN9mJo%2BnyAeTkt4&amp;ptitle=678560038" target="_blank" >Digitalelect</a>:$1,279 &nbsp;</div> I would think of : (1) digging out the product name from <td class="sr-image >tag,and using regular expression exp ="<td><span\\s+class=\"sr-image\"[^>]*>" + ".*?</span><a href=\"" + "([^\"]+)" + "\"[^>]*>" + "([^<]+)" + "</a>.*?</td>"; (2) digging out the product info from the <div class="sr-info-description"> tag. exp = "<div class="sr-info-description"> [^>]*>" (3) digging out the Sellers' names from <div id="fsLink_0" class="featuredSeller"> tag. exp = "<div id="fslink_0" class="featuredSeller[^>]*>" + ".*?</span><a rel=\"" + "([^\"]+)" + "\"[^>]*>" + "([^<]+)" + "</a>.*?</td>"; I am just beginning learing using Java Regular Expression,I would be grateful if you could correct me if I am in the wrong track or my regular expressiona are wrong. Thanks a lot,guys.

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  • Trouble with client side validation using Struts 2. Xml based validation rules not recognized.

    - by Kartik
    Hi, This is my first post to ask a question on stack overflow and my issue is that when I don't see a client side validation error message when I don't enter any values for that field even when it is configured as required. The input page is reloaded but no error message is seen. I am not sure what I am doing wrong. Any advice would be greatly appreciated. My scenario is given below: I have a simple form where I have a pull down menu called selection criterion. A value must be selected. If a value is not selected, then the page should reload with configured error message. My input form action_item_search.jsp is given below: <%@ taglib prefix="s" uri="/struts-tags" %> <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!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>Action Item Search</title> </head> <body> <s:actionerror/> <s:fielderror /> <s:form action="action_item_search" validate="true"> <s:select label="Search Criterion" name="searchCriterion" list="#{'': 'Select One', 'creatorName':'creator name', assignedTo':'assigned to'}" required="true" /> <s:submit name="search" value="Search"></s:submit> </s:form> </body> I have add validators.xml in my WEB-INF/classes directory of exploded war file as given below: <!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator Config 1.0//EN" "http://www.opensymphony.com/xwork/xwork-validator-config-1.0.dtd"> ActionItemTrackingAction-findByCriteria-validation.xml is given below: <!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd"> You must enter a search criterion. My struts mapping xml: <struts> <constant name="struts.enable.DynamicMethodInvocation" value="false" /> <constant name="struts.devMode" value="true" /> <!-- <include file="example.xml"/> --> <package name="action-item" extends="struts-default"> <action name = "action_item_search_input"> <result name = "success">/action-item-search.jsp</result> </action> <action name="action_item_search" class="gov.nasa.spacebook.ActionItemTrackingAction" method="fetchByCriteria"> <result name = "success">/action-item-result.jsp</result> <result name = "input">/action-item-search.jsp</result> <result name = "error">/action-item-search.jsp</result> </action> </package> My action class public class ActionItemTrackingAction extends ActionSupport { private List<ActionItem> actionItems; public List<ActionItemTracking> getActionItems() { return actionItems; } public void setActionItems(List<ActionItemTracking> actionItems) { this.actionItems = actionItems; } private String searchCriterion; public String getSearchCriterion() { return searchCriterion; } public void setSearchCriterion(final String criterion) { this.searchCriterion = criterion; } public String fetchByCriteria() throws Exception { final ActionItemTrackingService service = new ActionItemTrackingService(); this.actionItems = service.getByField(this.actionItem); return super.execute(); } }

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  • A Semantic Model For Html: TagBuilder and HtmlTags

    - by Ryan Ohs
    In this post I look into the code smell that is HTML literals and show how we can refactor these pesky strings into a friendlier and more maintainable model.   The Problem When I started writing MVC applications, I quickly realized that I built a lot of my HTML inside HtmlHelpers. As I did this, I ended up moving quite a bit of HTML into string literals inside my helper classes. As I wanted to add more attributes (such as classes) to my tags, I needed to keep adding overloads to my helpers. A good example of this end result is the default html helpers that come with the MVC framework. Too many overloads make me crazy! The problem with all these overloads is that they quickly muck up the API and nobody can remember exactly what order the parameters go in. I've seen many presenters (including members of the ASP.NET MVC team!) stumble before realizing that their view wasn't compiling because they needed one more null parameter in the call to Html.ActionLink(). What if instead of writing Html.ActionLink("Edit", "Edit", null, new { @class = "navigation" }) we could do Html.LinkToAction("Edit").Text("Edit").AddClass("navigation") ? Wouldn't that be much easier to remember and understand?  We can do this if we introduce a semantic model for building our HTML.   What is a Semantic Model? According to Martin Folwer, "a semantic model is an in-memory representation, usually an object model, of the same subject that the domain specific language describes." In our case, the model would be a set of classes that know how to render HTML. By using a semantic model we can free ourselves from dealing with strings and instead output the HTML (typically via ToString()) once we've added all the elements and attributes we desire to the model. There are two primary semantic models available in ASP.NET MVC: MVC 2.0's TagBuilder and FubuMVC's HtmlTags.   TagBuilder TagBuilder is the html builder that is available in ASP.NET MVC 2.0. I'm not a huge fan but it gets the job done -- for simple jobs.  Here's an overview of how to use TagBuilder. See my Tips section below for a few comments on that example. The disadvantage of TagBuilder is that unless you wrap it up with our own classes, you still have to write the actual tag name over and over in your code. eg. new TagBuilder("div") instead of new DivTag(). I also think it's method names are a little too long. Why not have AddClass() instead of AddCssClass() or Text() instead of SetInnerText()? What those methods are doing should be pretty obvious even in the short form. I also don't like that it wants to generate an id attribute from your input instead of letting you set it yourself using external conventions. (See GenerateId() and IdAttributeDotReplacement)). Obviously these come from Microsoft's default approach to MVC but may not be optimal for all programmers.   HtmlTags HtmlTags is in my opinion the much better option for generating html in ASP.NET MVC. It was actually written as a part of FubuMVC but is available as a stand alone library. HtmlTags provides a much cleaner syntax for writing HTML. There are classes for most of the major tags and it's trivial to create additional ones by inheriting from HtmlTag. There are also methods on each tag for the common attributes. For instance, FormTag has an Action() method. The SelectTag class allows you to set the default option or first option independent from adding other options. With TagBuilder there isn't even an abstraction for building selects! The project is open source and always improving. I'll hopefully find time to submit some of my own enhancements soon.   Tips 1) It's best not to have insanely overloaded html helpers. Use fluent builders. 2) In html helpers, return the TagBuilder/tag itself (not a string!) so that you can continue to add attributes outside the helper; see my first sample above. 3) Create a static entry point into your builders. I created a static Tags class that gives me access all the HtmlTag classes I need. This way I don't clutter my code with "new" keywords. eg. Tags.Div returns a new DivTag instance. 4) If you find yourself doing something a lot, create an extension method for it. I created a Nest() extension method that reads much more fluently than the AddChildren() method. It also accepts a params array of tags so I can very easily nest many children.   I hope you have found this post helpful. Join me in my war against HTML literals! I’ll have some more samples of how I use HtmlTags in future posts.

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  • How to get html/css/jpg pages server by both apache & tomcat with mod_jk

    - by user53864
    I've apache2 and tomcat6 both running on port 80 with mod_jk setup on ubutnu servers. I had to setup an error document 503 ErrorDocument 503 /maintenance.html in the apache configuration and somehow I managed to get it work and the error page is server by apache when tomcat is stopped. Developers created a good looking error page(an html page which calls css and jpg) and I'm asked to get this page served by apache when tomcat is down. When I tried with JkUnMount /*.css in the virtual hosting, the actual tomcat jsp pages didn't work properly(lost the format) as the tomcat applications uses jsp, css, js, jpg and so on. I'm trying if it is possible to get .css and .jpg served by both apache and tomcat so that when the tomcat is down I'll get css and jpg serverd by apache and the proper error document is served. Anyone has any technique? Here is my apache2 configuration: vim /etc/apache2/apache2.conf Alias / /var/www/ ErrorDocument 503 /maintenance.html ErrorDocument 404 /maintenance.html JkMount / myworker JkMount /* myworker JkMount /*.jsp myworker JkUnMount /*.html myworker <VirtualHost *:80> ServerName station1.mydomain.com DocumentRoot /usr/share/tomcat/webapps/myapps1 JkMount /* myworker JkUnMount /*.html myworker </VirtualHost> <VirtualHost *:80> ServerName station2.mydomain.com DocumentRoot /usr/share/tomcat/webapps/myapps2 JkMount /* myworker JkMount /*.html myworker </VirtualHost>

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  • JQuery Dynamic Element - In DOM but unable to bind

    - by Grant80
    Hi All, I'm new to using JQuery so bear with me. I had implmented some code based on a js file that I found online which enables a series of div tags within a nested structure on my page to step through and show each one individually on the page. This all works great when I define the div tags as static entries in the masterpage. I should add that this is being implemented in a SharePoint master page. Ultimately though, with a static collection of div tags ideally containing an image with some descriptive text, and a hyperlink its not very flexible. Roll on my changes to make this a little more configurable. I have implemented some additional code that will read from a SharePoint list via an ajax call to the lists web service. For each entry in the list I am building a div tag that contains the information required dynamically. For testing, I am only pulling the title through at present. I have used the following code: $('#beltDiv').append(divHTML) to append the divs in the loop that are created to my nested structure on the page. I figured that this would cause the fade code to work as expected but I was wrong. It doesn't do anything at all. When check the source on the page, the div tags are not shown. They are however available in the DOM model when viewed through the IE developer toolbar. The issue (I think) looks to be that the initiation of the featureFade code is not working due to the div tags being unavailable. Is there a way to address this? The code used is shown below: <script type="text/javascript"> $(document).ready(function() { var soapEnv = "<soapenv:Envelope xmlns:soapenv='http://schemas.xmlsoap.org/soap/envelope/'> \ <soapenv:Body> \ <GetListItems xmlns='http://schemas.microsoft.com/sharepoint/soap/'> \ <listName>Carousel Items</listName> \ <viewFields> \ <ViewFields> \ <FieldRef Name='Title' /> \ </ViewFields> \ </viewFields> \ </GetListItems> \ </soapenv:Body> \ </soapenv:Envelope>"; $.ajax({ url: "_vti_bin/lists.asmx", type: "POST", dataType: "xml", data: soapEnv, complete: processResult, contentType: "text/xml; charset=\"utf-8\"" }); }); function processResult(xData, status) { $(xData.responseXML).find("z\\:row").each(function() { var divHTML = "<div id=\"divPanel_" + $(this).attr("ows_Title") + "\" class=\"panel\" style=\"background:url('http://devSP2010/sites/SPSOPS/Style Library/SharePointOps/Images/01.jpg') no-repeat; width:650px; height:55px;\"><div><div class=\"content\"><div><P><A style=\"COLOR: #cc0000\" href=\"www.google.com\">" + $(this).attr("ows_Title") + "</A></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P></div></div></div></div>"; $("#beltDiv").append(divHTML); }); } featureFade.setup({ galleryid: 'headlines', beltclass: 'belt', panelclass: 'panel', autostep: { enable: true, moveby: 1, pause: 10000 }, panelbehavior: { speed: 1000, wraparound: true }, stepImgIDs: ["ftOne", "ftTwo", "ftThree", "ftFour","ftFive"], defaultButtons: { itemOn: "Style Library/SharePointOps/Images/dotOn.png", itemOff: "Style Library/SharePointOps/Images/dotOff.png" } }); The section where the div tags are dynamically appended is shown below. I've commented out the static div tags that work as expected. The only change is that these are implmented by the JQuery logic: <div class="homeFeature" style="display:inline-block"> <div id="headlines" class="headlines"> <div id="beltDiv" class="belt"> <!-- <div id="divPanel_ct01" class="panel" style="position:absolute;background-image:url('http://devsp2010/sites/spsops/Style Library/SharePointOps/Images/01.jpg'); background-repeat:no-repeat">Static Test 1</div> <div id="divPanel_ct02" class="panel" style="position:absolute;background-image:url('http://devsp2010/sites/spsops/Style Library/SharePointOps/Images/02.jpg'); background-repeat:no-repeat">Static Test 2</div> --> </div> </div> I'm stumped as to why it's not recognising the dynamically added elements in the DOM. Any help would be greatly appreciated on this. I'm happy to provide any further information on this. Thanks in advance, Grant Further to the answer recieved: I have modified the function call: function processResult(xData, status) { $(xData.responseXML).find("z\\:row").each( function() { /*alert($(this).attr("ows_ImagePath"));*/ var divHTML = "<div id=\"divPanel_" + $(this).attr("ows_Title") + "\" class=\"panel\" style=\"background:url('http://devSP2010/sites/SPSOPS/Style Library/SharePointOps/Images/ClydePort01big.jpg') no-repeat; width:650px; height:55px;\"><div><div class=\"content\"><div><P><A style=\"COLOR: #cc0000\" href=\"www.google.com\">" + $(this).attr("ows_Title") + "</A></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P></div></div></div></div>"; $("#beltDiv").append(divHTML); } ); featureFade.setup( { galleryid: 'headlines', beltclass: 'belt', panelclass: 'panel', autostep: { enable: true, moveby: 1, pause: 10000 }, panelbehavior: { speed: 1000, wraparound: true }, stepImgIDs: ["ftOne", "ftTwo", "ftThree", "ftFour","ftFive"], defaultButtons: { itemOn: "Style Library/SharePointOps/Images/dotOn.png", itemOff: "Style Library/SharePointOps/Images/dotOff.png" } } ); }

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  • JasperPrintManager.printReport(jasperPrint,true)

    - by user121196
    I have a print button in jsp page that prints a report created in jasper. What does calling JasperPrintManager.printReport(jasperPrint,true) in a jsp page actually do? I imagine it has to invoke a javascript command to bring up the print dialog and sends the data to it. It is not working for me. any idea?

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  • How can I use the shell to make my mp3s a Shoutcast source?

    - by ChasonDehsotel
    I'm looking to stream a directory of mp3s from my audio source (Debian server) to my Shoutcast server. The idea is to have an archive playing in the instance that someone isn't broadcasting live. I'm not sure how to continue. I started with extensive Google-ing, and was unable to come up with a solution. Evan Carroll suggested I try here. I appreciate any insight y'all may have. __ On a side note, "users with less than 100 reputation can't create new tags. The tags 'shoutcast-source shoutcast broadcasting' are new. Try using existing tags instead." -- Who can create these?

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  • Error when pushing to Heroku - StatementInvalid - Ruby on Rails

    - by bgadoci
    I am trying to deploy my first rails app to Heroku and seem to be having a problem. After git push heroku master I get an error saying that relation "tags does not exist. I understand that without knowledge of my application it will be hard to help but I am wondering if someone can point me in the right direction. I have checked the schema.rb file and also been over all my migrations and there doesn't seem to be a problem there. The error message lead me to believe that I left something out of my routes.rb file but can't seem to find anything there either. Perhaps just some help deciphering this message. Processing PostsController#index (for 99.7.50.140 at 2010-04-21 12:28:59) [GET] ActiveRecord::StatementInvalid (PGError: ERROR: relation "tags" does not exist : SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull FROM pg_attribute a LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum WHERE a.attrelid = '"tags"'::regclass AND a.attnum > 0 AND NOT a.attisdropped ORDER BY a.attnum ): app/controllers/posts_controller.rb:9:in `index' /home/heroku_rack/lib/static_assets.rb:9:in `call' /home/heroku_rack/lib/last_access.rb:25:in `call' /home/heroku_rack/lib/date_header.rb:14:in `call' thin (1.0.1) lib/thin/connection.rb:80:in `pre_process' thin (1.0.1) lib/thin/connection.rb:78:in `catch' thin (1.0.1) lib/thin/connection.rb:78:in `pre_process' thin (1.0.1) lib/thin/connection.rb:57:in `process' thin (1.0.1) lib/thin/connection.rb:42:in `receive_data' eventmachine (0.12.6) lib/eventmachine.rb:240:in `run_machine' eventmachine (0.12.6) lib/eventmachine.rb:240:in `run' thin (1.0.1) lib/thin/backends/base.rb:57:in `start' thin (1.0.1) lib/thin/server.rb:150:in `start' thin (1.0.1) lib/thin/controllers/controller.rb:80:in `start' thin (1.0.1) lib/thin/runner.rb:173:in `send' thin (1.0.1) lib/thin/runner.rb:173:in `run_command' thin (1.0.1) lib/thin/runner.rb:139:in `run!' thin (1.0.1) bin/thin:6 /usr/local/bin/thin:20:in `load' /usr/local/bin/thin:20 Also, here is my routes.rb file if that helps at all. ActionController::Routing::Routes.draw do |map| map.resources :ugtags map.resources :wysihat_files map.resources :users map.resources :votes map.resources :votes, :belongs_to => :user map.resources :tags, :belongs_to => :user map.resources :ugtags, :belongs_to => :user map.resources :posts, :collection => {:auto_complete_for_tag_tag_name => :get } map.resources :posts, :sessions map.resources :posts, :has_many => :comments map.resources :posts, :has_many => :tags map.resources :posts, :has_many => :ugtags map.resources :posts, :has_many => :votes map.resources :posts, :belongs_to => :user map.resources :tags, :collection => {:auto_complete_for_tag_tag_name => :get } map.resources :ugtags, :collection => {:auto_complete_for_ugtag_ugctag_name => :get } map.login 'login', :controller => 'sessions', :action => 'new' map.logout 'logout', :controller => 'sessions', :action => 'destroy' map.root :controller => "posts" map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' end

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  • Music tagging software more consistent than Tag&Rename?

    - by Billy ONeal
    A few years ago I spent an insane amount of time using the excellent Tag&Rename program. However, I find that for random, inexplicable reasons, some music tools simply disregard my tags, drop or destroy the album art, or have strange handling around some characters. For example, "AC/DC" is poorly handled by most music players when I use Tag&Rename to write the tags. And if I write the tag in iTunes, Winamp seems to not like it, vice versa, and neither of those work with Amarok. Is there a piece of software that works like Tag&Rename but is more compatible, or is there a way to ensure Tag&Rename writes more compatible tags?

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  • JSF trimming white spaces

    - by msharma
    HI, I have an input field in which I want to trim any leading/trailing whitespaces. We are using JSF and binding the input field to a backing bean in the jsp using: <h:inputText id="inputSN" value="#{regBean.inputSN}" maxlength="10"/> My question is that besides validation can this be done in the jsp? I know we can also do this using the trim() java function in the Handler, but just wondering if there is a more elegant way to achieve this in JSF. Thanks.

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  • How to Label / Tag Items in a Spreadsheet

    - by nusantara
    I'm a novice at spreadsheets, so I hope you'll forgive me if I'm asking a super obvious question. Is it possible to use tags in Excel/Google Spreadsheet? I'm creating a spreadsheet to log all the articles and books I'm reading. Say I'm reading "I, Claudius". I want to give it these tags: history, fiction, biography, disability, politics, drama. Then, if I want to display all the articles/books tagged with "politics", I can maybe search/display/pivot with that tag. Maybe preferably, the tags should all be in one cell with each word separated by a comma. If each word were in a cell of its own, it would make the table really messy, I think. I am open to other labelling solutions too. Thanks!

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  • Tinymce print issue with application server

    - by Ashok
    Hi, I have incorporated tinymce into my application. When i execute the jsp standalone, the print size seem consistent to what it should be i.e. 12Pt comes out as 12pt. Whereas when i run the same jsp from oracle developer using oracle application server 12pt comes out to be more like 8pt. Any thoughts. Please share any pointers. Thanks, Ashok

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  • How to define an n-m relation in doctrine?

    - by murze
    If got a table "Article" and a table "Tags". Articles can have multiple tags and tags can hang to multiple articles. The class BaseArticle looks like this: abstract class BaseArticle extends Doctrine_Record { public function setTableDefinition() { $this->setTableName('article'); $this->hasColumn('article_id', 'integer', 8, array( 'type' => 'integer', 'length' => 8, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => true, )); $this->hasColumn('title', 'string', null, array( 'type' => 'string', 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, )); $this->hasColumn('text', 'string', null, array( 'type' => 'string', 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, $this->hasColumn('url', 'string', 255, array( 'type' => 'string', 'length' => 255, 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, )); } public function setUp() { parent::setUp(); $this->hasMany('Tag as Tags', array( 'local' => 'article_id', 'foreign'=>'tag_id', 'refClass'=>'Articletag') ); } } The BaseTag-class like this: abstract class BaseTag extends Doctrine_Record { public function setTableDefinition() { $this->setTableName('tag'); $this->hasColumn('tag_id', 'integer', 4, array( 'type' => 'integer', 'length' => 4, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => true, )); $this->hasColumn('name', 'string', null, array( 'type' => 'string', 'fixed' => false, 'unsigned' => false, 'primary' => false, 'notnull' => false, 'autoincrement' => false, )); } public function setUp() { parent::setUp(); $this->hasMany('Article as Articles', array( 'local' => 'tag_id', 'foreign'=>'article_id', 'refClass'=>'Articletag') ); } } And the relationship class like this: abstract class BaseArticletag extends Doctrine_Record { public function setTableDefinition() { $this->setTableName('articletag'); $this->hasColumn('article_id', 'integer', 8, array( 'type' => 'integer', 'length' => 8, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => false, )); $this->hasColumn('tag_id', 'integer', 4, array( 'type' => 'integer', 'length' => 4, 'fixed' => false, 'unsigned' => false, 'primary' => true, 'autoincrement' => false, )); } public function setUp() { parent::setUp(); } } When I try to get a property from the article all goes well by using: $article = Doctrine_Query::create()->from('Article a') ->where('id = ?' , 1) ->fetchOne(); echo $article->title; //gives me the title But when I try this: foreach($article->Tags as $tag) { echo($tag->name) } I get an error: Unknown record property / related component "Tags" on "Article"

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