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• Problem with a select SPARQL query on dbpedia

  - by john

  At http://dbpedia.org/sparql/ I want to select something like this: SELECT ?hostCity WHERE { <http://dbpedia.org/resource/Lisbon> <http://dbpedia.org/ontology/hostCity> ?hostCity . } Do you know, where is a problem?

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• Characters problem in Bit.ly

  - by Fevos

  Hello, When i try to shorten a link with "#,&" Character i got an exception. is there a way to handle them . this is a sample of code that works String shortUrl = bitly.getShortUrl("http://z"); //Works but if i add for example '&' or '%25' to the string it will produce exption : - String shortUrl = bitly.getShortUrl("http://z%26"); // Exception - String shortUrl = bitly.getShortUrl("http://z&"); // Exception the getShortUrl function form this Java class: http://github.com/finnjohnsen/BitlyAndroid/raw/master/src/com/finnjohnsen/bitlyandroid/test/BitlyAndroid.java Thanks

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• Upgrade URL for SEO from mysite.com/dbtable_id/ to mysite.com/dbtable_id/article-title

  - by John

  I have an existing journal website with the following url structure http://mysite.com/dbtable_id/ (eg. http://mysite.com/89348/) where 89348 is the primary key id of the journal article. I want to add the title of the article to the url for SEO purposes like http://mysite.com/dbtable_id/article-title (eg. http://mysite.com/89348/hello-world) I like this approach because I don't need to change the PHP code since it will still look up the article by dbtable_id. All I have to do is append url friendly titles to relevant links in template files and add one more rule to a .htaccess file. Is there anything I should be concerned about? Am I following best practices? Will the possibility for mismatch between "dbtable_id" and "article-title" affect SEO?

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• SQL Server 2005 Reporting Services and the Report Viewer

  - by Kendra

  I am having an issue embedding my report into an aspx page. Here's my setup: 1 Server running SQL Server 2005 and SQL Server 2005 Reporting Services 1 Workstation running XP and VS 2005 The server is not on a domain. Reporting Services is a default installation. I have one report called TestMe in a folder called TestReports using a shared datasource. If I view the report in Report Manager, it renders fine. If I view the report using the http ://myserver/reportserver url it renders fine. If I view the report using the http ://myserver/reportserver?/TestReports/TestMe it renders fine. If I try to view the report using http ://myserver/reportserver/TestReports/TestMe, it just goes to the folder navigation page of the home directory. My web application is impersonating somebody specific to get around the server not being on a domain. When I call the report from the report viewer using http ://myserver/reportserver as the server and /TestReports/TestMe as the path I get this error: For security reasons DTD is prohibited in this XML document. To enable DTD processing set the ProhibitDtd property on XmlReaderSettings to false and pass the settings into XmlReader.Create method. When I change the server to http ://myserver/reportserver? I get this error when I run the report: Client found response content type of '', but expected 'text/xml'. The request failed with an empty response. I have been searching for a while and haven't found anything that fixes my issue. Please let me know if there is more information needed. Thanks in advance, Kendra

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• haproxy modify request path

  - by zcourts

  I'm just getting started with HAProxy and I was wondering if its possible to modify the request path for an HTTP request. One of the backend server uses Dropwizard and its assets bundle see here bundle. In my setup /xyz serves static assets /api/xyz serves REST resources With HAProxy I want requests from api.host.com/xyz to be sent to backend/api/xyz and requests from host.com to be sent to backend/ I've gotten most of that working but I can't figure out how to tell HAProxy to change the path, prepending /api/ to anything from api.host.com Is this possible or am I going about this the wrong way?

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• Rewrite URL with .htaccess

  - by Joaquin McCoy

  Hi guys, I've this url: http://www.test.com/page.php?k=m1ns and I want this one: http://www.test.com/r/m1ns My .htaccess: Options +FollowSymlinks RewriteEngine on RewriteBase / RewriteRule ^k/([^/\.]+)/?$ page.php?k=$1 [L] # force www. in all requests RewriteCond %{HTTP_HOST} ^test\.com [NC] RewriteRule ^(.*)$ http://www.test.com/$1 [L,R=301] # enable hiding php extension RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME}\.php -f RewriteRule ^(.*)$ $1.php But it doesn't work. Only the non-www - www and hiding php rules works. If I put http://www.test.com/page.php?k=m1ns does not rewrite. Anyone knows why? Thanks.

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• Java Applet in Firefox

  - by prakash

  Hi All, I am facing a weird problem in Testing server while using applet (using embed tag) in my ASP.NET MVC application Applet works fine locally in both browsers IE and Firefox but when deployed to Testing server its throwing below exception for Firefox only (IE works fine). Please help me out in this basic: exception: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> not found. java.lang.RuntimeException: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> not found at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source) at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> not found at javax.xml.parsers.DocumentBuilderFactory.newInstance(Unknown Source) at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:772) at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:696) at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:471) at org.apache.log4j.LogManager.<clinit>(LogManager.java:125) at org.apache.log4j.Logger.getLogger(Logger.java:105) at com.goldleaf.scanner.Logger.<init>(Unknown Source) at com.goldleaf.scanner.Logger.<init>(Unknown Source) at com.goldleaf.scanner.Logger$LoggerHolder.<clinit>(Unknown Source) at com.goldleaf.scanner.Logger.getInstance(Unknown Source) at com.goldleaf.scanner.ScannerApplet.<init>(Unknown Source) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at sun.plugin2.applet.Plugin2Manager$12.run(Unknown Source) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) Exception: java.lang.RuntimeException: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> not found Ignored exception: java.lang.RuntimeException: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> not found basic: Starting applet teardown basic: Finished applet teardown

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• Learning Objective-C: Need advice on populating NSMutableDictionary

  - by Zigrivers

  I am teaching myself Objective-C utilizing a number of resources, one of which is the Stanford iPhone Dev class available via iTunes U (past 2010 class). One of the home work assignments asked that I populate a mutable dictionary with a predefined list of keys and values (URLs). I was able to put the code together, but as I look at it, I keep thinking there is probably a much better way for me to approach what I'm trying to do: Populate a NSMutableDictionary with the predefined keys and values Enumerate through the keys of the dictionary and check each key to see if it starts with "Stanford" If it meets the criteria, log both the key and the value I would really appreciate any feedback on how I might improve on what I've put together. I'm the very definition of a beginner, but I'm really enjoying the challenge of learning Objective-C. void bookmarkDictionary () { NSMutableDictionary* bookmarks = [NSMutableDictionary dictionary]; NSString* one = @"Stanford University", *two = @"Apple", *three = @"CS193P", *four = @"Stanford on iTunes U", *five = @"Stanford Mall"; NSString* urlOne = @"http://www.stanford.edu", *urlTwo = @"http://www.apple.com", *urlThree = @"http://cs193p.stanford.edu", *urlFour = @"http://itunes.stanford.edu", *urlFive = @"http://stanfordshop.com"; NSURL* oneURL = [NSURL URLWithString:urlOne]; NSURL* twoURL = [NSURL URLWithString:urlTwo]; NSURL* threeURL = [NSURL URLWithString:urlThree]; NSURL* fourURL = [NSURL URLWithString:urlFour]; NSURL* fiveURL = [NSURL URLWithString:urlFive]; [bookmarks setObject:oneURL forKey:one]; [bookmarks setObject:twoURL forKey:two]; [bookmarks setObject:threeURL forKey:three]; [bookmarks setObject:fourURL forKey:four]; [bookmarks setObject:fiveURL forKey:five]; NSString* akey; NSString* testString = @"Stanford"; for (akey in bookmarks) { if ([akey hasPrefix:testString]) { NSLog(@"Key: %@ URL: %@", akey, [bookmarks objectForKey:akey]); } } } Thanks for your help!

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• SSL certificate for ISAPI redirected Web Site

  - by Daniel

  I have a Win 2003 server and I'm using Ionics Isapi Rewrite Filter to redirect requests made to a Web Site configured in IIS to another Apache2 Server in a server not exposed to the Internet. The Web Site has its host headers configured to catch requests for the specific site, and the redirection is being done with the ProxyPass directive. This is working OK. So far the scenario, my question is: I'd like to add a server certificate to the Apache server, but I don´t know if I need to add the certificate to both Apache and IIS sites. I think I still don´t get the theory behind this and would like to know from someone with expertise in the field the right way to implement this. Thank you in advance.

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• mod_rewrite and pretty urls

  - by Peeter

  What I'm trying to achieve: 1) http://localhost/en/script.php?param1=random is mapped to http://localhost/script.php?param1=random&language=English This has to work always. 2) http://localhost/en/random/text/here will be mapped to http://localhost/categories.php?term=random/text/here This has to work if random/text/here is 404 What I have at the moment: RewriteEngine on RewriteCond substr(%{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^en/(.+)$ categories.php?lang=English&terms=$1 [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^ee/(.+)$ categories.php?lang=Estonian&terms=$1 [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^fi/(.+)$ categories.php?lang=Finnish&terms=$1 [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^ru/(.+)$ categories.php?lang=Russian&terms=$1 [L] RewriteRule ^en/(.*) $1?lang=English&%{QUERY_STRING} [L] RewriteRule ^ee/(.*) $1?lang=Estonian&%{QUERY_STRING} [L] RewriteRule ^ru/(.*) $1?lang=Russian&%{QUERY_STRING} [L] RewriteRule ^fi/(.*) $1?lang=Finnish&%{QUERY_STRING} [L] What I've thought: substr(%{REQUEST_FILENAME},3) would fix my problem (as currently /ee/index.php is literally mapped to /ee/index.php instead of just /index.php) Unfortunately I couldn't find a way to manipulate strings :/

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• How would this code be refactored to use jQuery?

  - by C.W.Holeman II

  How would this code be refactored to use jQuery? var lu = function luf(aPrefix){ switch (aPrefix){ case 'xhtml': return 'http://www.w3.org/1999/xhtml'; case 'math': return 'http://www.w3.org/1998/Math/MathML'; case 'svg': return 'http://www.w3.org/2000/svg'; case 'emleo': return 'http://emle.sf.net/emle020000/emleo'; } return ''; }; function emleProcessOnLoad(aThis) { var result = document.evaluate("//xhtml:span[@class='emleOnLoad']", aThis.document, lu, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null); for (var jj=0; jj<result.snapshotLength; jj++){ var emleOnLoad = result.snapshotItem(jj).textContent; eval("var emleThis=result.snapshotItem(jj);" + emleOnLoad); } }

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• How can I get popup window using commandButton in Trinidad?

  - by vikram

  How can I get popup window using commandButton in Trinidad? My problem is that by clicking on Add button from dialogdemo.jspx, not any popup window or dialog box is opened. This is dialogdemo.jspx file: <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:f="http://java.sun.com/jsf/core" xmlns:tr="http://myfaces.apache.org/trinidad" version="1.2"> <jsp:directive.page contentType="text/html;charset=utf-8" /> <f:view> <tr:document title="Dialog Demo"> <tr:form> <!-- The field for the value; we point partialTriggers at the button to ensure it gets redrawn when we return --> <tr:inputText label="Pick a number:" partialTriggers="buttonId" value="#{launchDialog.input}" /> <!-- The button for launching the dialog: we've also configured the width and height of that window --> <tr:commandButton text="Add" action="dialog:chooseInteger" id="buttonId" windowWidth="300" windowHeight="200" partialSubmit="true" useWindow="true" returnListener="#{launchDialog.returned}" /> </tr:form> </tr:document> </f:view> </jsp:root> Here is the associated managed bean LaunchDialogBean.java: package jsfpkg; import org.apache.myfaces.trinidad.component.UIXInput; import org.apache.myfaces.trinidad.event.ReturnEvent; public class LaunchDialogBean { private UIXInput _input; public UIXInput getInput() { return _input; } public void setInput(UIXInput input) { _input = input; } public void returned(ReturnEvent event) { if (event.getReturnValue() != null) { getInput().setSubmittedValue(null); getInput().setValue(event.getReturnValue()); } } } Here is the popup file Popup.jspx: <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:trh="http://myfaces.apache.org/trinidad/html" xmlns:tr="http://myfaces.apache.org/trinidad" version="2.0"> <jsp:directive.page contentType="text/html;charset=utf-8" /> <f:view> <tr:document title="Add dialog"> <tr:form> <!-- Two input fields --> <tr:panelForm> <tr:inputText label="Number 1:" value="#{chooseInteger.value1}" required="true" /> <tr:inputText label="Number 2:" value="#{chooseInteger.value2}" required="true" /> </tr:panelForm> <!-- Two buttons --> <tr:panelGroup layout="horizontal"> <tr:commandButton text="Submit" action="#{chooseInteger.select}" /> <tr:commandButton text="Cancel" immediate="true" action="#{chooseInteger.cancel}" /> </tr:panelGroup> </tr:form> </tr:document> </f:view> </jsp:root> For that I have written the bean ChooseIntegerBean.java package jsfpkg; import org.apache.myfaces.trinidad.context.RequestContext; public class ChooseIntegerBean { private Integer _value1; private Integer _value2; public Integer getValue1() { return _value1; } public void setValue1(Integer value1) { _value1 = value1; } public Integer getValue2() { return _value2; } public void setValue2(Integer value2) { _value2 = value2; } public String cancel() { RequestContext.getCurrentInstance().returnFromDialog(null, null); return null; } public String select() { Integer value = new Integer(getValue1().intValue() + getValue2().intValue()); RequestContext.getCurrentInstance().returnFromDialog(value, null); return null; } } Here is my faces-config.xml: <managed-bean> <managed-bean-name>chooseInteger</managed-bean-name> <managed-bean-class>jsfpkg.ChooseIntegerBean</managed-bean-class> <managed-bean-scope>request</managed-bean-scope> </managed-bean> <managed-bean> <managed-bean-name>launchDialog</managed-bean-name> <managed-bean-class>jsfpkg.LaunchDialogBean</managed-bean-class> <managed-bean-scope> request </managed-bean-scope> </managed-bean> <navigation-rule> <from-view-id>/dialogdemo.jspx</from-view-id> <navigation-case> <from-outcome>dialog:chooseInteger</from-outcome> <to-view-id>/dialogbox.jspx</to-view-id> </navigation-case> </navigation-rule>

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• iPhone UIImage upload to web service

  - by user347635

  Hi all, I worked on this for several hours today and I'm pretty close to a solution but clearly need some help from someone who's pulled this off. I'm trying to post an image to a web service from the iPhone. I'll post the code first then explain everything I've tried: NSData *imageData = UIImageJPEGRepresentation(barCodePic, .9); NSString *soapMsg = [NSString stringWithFormat: @"<?xml version=\"1.0\" encoding=\"utf-8\"?><soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"><soap:Body><WriteImage xmlns=\"http://myserver/imagewebservice/\"><ImgIn>%@</ImgIn></WriteImage></soap:Body></soap:Envelope>", [NSData dataWithData:imageData] ]; NSURL *url = [NSURL URLWithString:@"http://myserver/imagewebservice/service1.asmx"]; NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:url]; NSString *msgLength = [NSString stringWithFormat:@"%d", [soapMsg length]]; [req addValue:@"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"]; [req addValue:@"http://myserver/imagewebservice/WriteImage" forHTTPHeaderField:@"SOAPAction"]; [req addValue:msgLength forHTTPHeaderField:@"Content-Length"]; [req setHTTPMethod:@"POST"]; [req setHTTPBody: [soapMsg dataUsingEncoding:NSUTF8StringEncoding]]; conn = [[NSURLConnection alloc] initWithRequest:req delegate:self]; if (conn) { webData = [[NSMutableData data] retain]; } First thing, this code works fine for anything but an image. The web service is running on my local network and I can change the source code at will and if I change the "ImgIn" parameter to a string and pass a string in, everything works fine, I get a return value no problem. So there are no connectivity issues at all, I'm able to call and get data from this web service on this server no problems. But I need to upload an image to this web service via the ImgIn parameter, so the above code is my best shot so far. I also have didReceiveResponse, didReceiveData, didFailWithError, etc all being handled. The above code fires off didRecieveResponse every time. However didReceiveData is never fired and it's like the web service itself never even runs. When I debug the web service itself, it runs and debugs fine when I use a string parameter, but with the image parameter, it never even debugs when I call it. It's almost like the ImgIn parameter is too long (it's huge when I output it to the screen) and the web service just chokes on it. I've read about having to encode to Base64 when using this method, but I can't find any good links on how that's done. If that's what I'm doing wrong, can you PLEASE provide code as to how to do this, not just "you need to use Base64", I'd really appreciate it as I can find almost nothing on how to implement this with an example. Other than that, I'm kind of lost, it seems like I'm doing everything else right. Please help! Thanks

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• Apache Errordocument (custom 503 page) works intermittently

  - by jimmycavnz

  We have Apache 2.2 running on Windows 2k3 and 2k8 R2 as a reverse proxy to downstream applications. Some of these applications may go offline during off-peak hours so we've implemented a custom 503 page like so: ErrorDocument 503 /error/serverTimeout.html ErrorDocument 504 /error/serverTimeout.html (the error directory is in Apaches's htdocs folder) If I make these changes, restart apache and then access the down application on firefox I see the custom page as expected. I then access it using my IE browser, it also works. If I close my IE browser and access it again, I get Apache's standard "Service Temporarily Unavailable" message instead of my custom page. Once I receive the standard error message, I never get the custom page again until I restart Apache. I've put the server on debug and I can't see any difference between the requests which return the custom error page and the requests which return the standard error message. Is there some weird proxy setting which is messing with the errordocument configuration? Any ideas?

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• mod_jk fails to detect error state because JBoss gives 404, not 500

  - by Ilya Sher

  Configuration: Apache + mod_jk, several workers on other machines (load balancing). When JBoss fails to deploy an application for example because of failed connection to the database, requests to /myapp/somepage generate 404. How do I configure JBoss to return 500 for everything under /myapp when the application failed to deploy? Additional info: Since 404 is not an "error state" code, mod_jk does not mark the worker as failed and continues to route the traffic there. Since there might be valid requests to this application also generating 404, I can not configure mod_jk to treat 404 as an "error state"

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• paypal ipn case is not calling in paypal "pay now"

  - by Ipsita Rout

  paypal ipn case is not calling in paypal "pay now". In paypal button the following is set. return : "http://localhost/paypal.php?ch=return" cancel_return : "cancel_return" value="http://localhost/paypal.php?ch=cancel" notify_url : value="http://localhost/paypal.php?ch=ipn" paypal_form.php <form name="paypal" action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_xclick"> <input type="hidden" name="rm" value="2"> <input type="hidden" name="no_notes" value="1"> <input type="hidden" name="custom" value="1"> <input type="hidden" name="business" value="[email protected]"> <input type="hidden" name="return" id="return" value="http://localhost/paypal.php?ch=return"> <input type="hidden" name="cancel_return" id="cancel_return" value="http://localhost/paypal.php?ch=cancel"> <input type="hidden" name="notify_url" id="notify_url" value="http://localhost/paypal.php?ch=ipn"> <input type="image" src="https://www.sandbox.paypal.com/WEBSCR-640-20110429-1/en_GB/i/btn/btn_paynow_SM.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online."> <img alt="" border="0" src="https://www.sandbox.paypal.com/WEBSCR-640-20110429-1/en_GB/i/scr/pixel.gif" width="1" height="1"> paypal.php <? include('db_connect.php'); $choice=isset($_GET['ch'])?$_GET['ch']:''; switch($choice){ case 'return': print "Thank You For Buying this product,Please Visit Again,If is there any complements Then suggest us.."; break; case 'ipn': $sql="INSERT INTO paypal(add_date) VALUES(now())"; mysql_query($sql); $x = fopen('test1.txt','w+'); $str2 = 'post data:dfydfhgfhjg'; foreach($_POST as $k=>$v){ $str2 .= $k.'--'.$v; } fwrite($x,$str2); fclose($x); break; case 'cancel': print "Thank You for visiting this site,Please inform your friend to buy products through paypal which is easy service... "; break; } ?>

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• Can't setup Facebook Login on my website..

  - by Mark

  I am trying to experiment with the new facebook authentication system, and I can't getthe login to work. I'm getting the following error message: API Error Code: 100 API Error Description: Invalid parameter Error Message: next is not owned by the application. The url that is being sent to facebook is: http://www.facebook.com/connect/uiserver.php?app_id=444444444444444&next=http%3A%2F%2Fstatic.ak.fbcdn.net%2Fconnect%2Fxd_proxy.php%23%3F%3D%26cb%3Df357eceb0361a8a%26origin%3Dhttp%253A%252F%252Fwww.mysite.com%252Ff38fea4f9ea573%26relation%3Dopener%26transport%3Dpostmessage%26frame%3Df23b800f8a78%26result%3DxxRESULTTOKENxx&display=popup&channel=http%3A%2F%2Fwww.mysite.com%2Ffbtester.php&cancel=http%3A%2F%2Fstatic.ak.fbcdn.net%2Fconnect%2Fxd_proxy.php%23%3F%3D%26cb%3Df6095a98598be8%26origin%3Dhttp%253A%252F%252Fwww.mysite.com%252Ff38fea4f9ea573%26relation%3Dopener%26transport%3Dpostmessage%26frame%3Df23b800f8a78%26result%3DxxRESULTTOKENxx&locale=en_US&return_session=1&session_version=3&fbconnect=1&canvas=0&legacy_return=1&method=permissions.request Note that the 'Next' variable in the url is: next=http%3A%2F%2Fstatic.ak.fbcdn.net%2Fconnect%2Fxd_proxy.php%23%3F%3D%26cb%3Df357eceb0361a8a%26origin%3Dhttp%253A%252F%252Fwww.mysite.com%252Ff38fea4f9ea573%26relation%3Dopener%26transport%3Dpostmessage%26frame%3Df23b800f8a78%26result%3DxxRESULTTOKENxx Any ideas what could be going wrong? All I've done is copy and paste the facebook login demo code from facebook's website: define('FACEBOOK_APP_ID', 'your application id'); define('FACEBOOK_SECRET', 'your application secret'); function get_facebook_cookie($app_id, $application_secret) { $args = array(); parse_str(trim($COOKIE['fbs' . $app_id], '\"'), $args); ksort($args); $payload = ''; foreach ($args as $key = $value) { if ($key != 'sig') { $payload .= $key . '=' . $value; } } if (md5($payload . $application_secret) != $args['sig']) { return null; } return $args; } $cookie = get_facebook_cookie(FACEBOOK_APP_ID, FACEBOOK_SECRET); ? Your user ID is <div id="fb-root"></div> <script src="http://connect.facebook.net/en_US/all.js"></script> <script> FB.init({appId: '<?= FACEBOOK_APP_ID ?>', status: true, cookie: true, xfbml: true}); FB.Event.subscribe('auth.login', function(response) { window.location.reload(); }); </script> Thanks for the help!

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• Is using a StringBuilder for writing XML ok?

  - by Jack Lawson

  It feels dirty. But maybe it isn't... is it ok to use a StringBuilder for writing XML? My gut instinct says "although this feels wrong, it's probably pretty darn performant because it's not loading extra libraries and overhead." Here's what it looks like. I'm building an OpenSearch XML doc based on the domain you come in from. public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/xml"; string domain = WebUtils.ReturnParsedSourceUrl(null); //returns something like www.sample.com string cachedChan = context.Cache[domain + "_opensearchdescription"] as String; if (cachedChan == null) { StringBuilder sb = new StringBuilder(); sb.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); sb.Append("<OpenSearchDescription xmlns=\"http://a9.com/-/spec/opensearch/1.1/\" xmlns:moz=\"http://www.mozilla.org/2006/browser/search/\">"); sb.Append(" <ShortName>Search</ShortName>"); sb.Append(" <Description>Use " + domain + " to search.</Description>"); sb.Append(" <Contact>[email protected]</Contact>"); sb.Append(" <Url type=\"text/html\" method=\"get\" template=\"http://" + domain + "/Search.aspx?q={searchTerms}\" />"); sb.Append(" <moz:SearchForm>http://" + domain + "/Search.aspx</moz:SearchForm>"); sb.Append(" <Image height=\"16\" width=\"16\" type=\"image/x-icon\">http://" + domain + "/favicon.ico</Image>"); sb.Append("</OpenSearchDescription>"); cachedChan = sb.ToString(); context.Cache.Insert(domain + "_opensearchdescription", cachedChan, null, DateTime.Now.AddDays(14), TimeSpan.Zero); } context.Response.Write(cachedChan); }

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• Are there some newer books to read beside these?

  - by Gandalf StormCrow

  I've come accross these websites who recommend certain books but they are pretty much old : http://www.joelonsoftware.com/navLinks/fog0000000262.html http://www.codinghorror.com/blog/2004/02/recommended-reading-for-developers.html http://sites.google.com/site/steveyegge2/ten-great-books Are there books in recent years which every developer should read?I'm mostly interested about Java/Spring/Hibernate/Jboss although reading book about programming in general wouldn't be bad.

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• Multiple connections in a single SSH SOCKS 5 Proxy

  - by Elie Zedeck

  Hey guys, My fist question here on Stackoverflow: What should I need to do so that the SSH SOCKS 5 Proxy (SSH2) will allow multiple connections? What I have noticed, is that when I load a page in Firefox (already configured to use the SOCKS 5 proxy), it loads everything one by one. It can be perceived by bare eyes, and I also confirm that through the use of Firebug's NET tab, which logs the connections that have been made. I have already configure some of the directives in the about:config page, like pipeline, persistent proxy connections, and a few other things. But I still get this kind of sequential load of resources, which is noticeably very slow. network.http.pipelining;true network.http.pipelining.maxrequests;8 network.http.pipelining.ssl;true network.http.proxy.pipelining;true network.http.max-persistent-connections-per-proxy;100 network.proxy.socks_remote_dns;true My ISP sucks because during the day, it intentionally breaks connections on a random basis. And so, it is impossible to actually accomplish meaningful works without the need of a lot of browser refresh or hitting F5 key. So, that is why I started to find solutions to this. The SSH's dynamic port forwarding is the best solution I find to date, because it has some pretty good compression which saves a lot of useless traffic, and is also secure. The only thing remaining is to get it to have multiple connections running in it. Thanks for all the inputs.

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• Extracting a string starting with x and ending with y

  - by DMan

  First of all, I did a search on this and was able to find how to use something like String.Split() to extract the string based on a condition. I wasn't able to find however, how to extract it based on an ending condition as well. For example, I have a file with links to images: http://i594.photobucket.com/albums/tt27/34/444.jpghttp://i594.photobucket.com/albums/as/asfd/ghjk6.jpg You will notice that all the images start with http:// and end with .jpg. However, .jpg is succeeded by http:// without a space, making this a little more difficult. So basically I'm trying to find a way (Regex?) to extract a string from a string that starts with http:// and ends with .jpg

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• How to make reusable components/classes from existing iPhone project ?

  - by hib

  Hello all, I on the doorstep of a new learning curve . I want to make reusable components / classes from my completed iphone project and with the mention of the following questions , If anyone want to redirect me to some useful reusable components or classes it will be useful to me . http://stackoverflow.com/questions/843167/is-there-a-gallery-of-reusable-iphone-components-on-the-web http://stackoverflow.com/questions/640805/open-source-iphone-components-reusable-views-controllers-buttons-table-cells http://stackoverflow.com/questions/200850/are-there-any-open-source-iphone-applications-around Thanks .

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• Dependency Injection with Spring/Junit/JPA

  - by Steve

  I'm trying to create JUnit tests for my JPA DAO classes, using Spring 2.5.6 and JUnit 4.8.1. My test case looks like this: @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations={"classpath:config/jpaDaoTestsConfig.xml"} ) public class MenuItem_Junit4_JPATest extends BaseJPATestCase { private ApplicationContext context; private InputStream dataInputStream; private IDataSet dataSet; @Resource private IMenuItemDao menuItemDao; @Test public void testFindAll() throws Exception { assertEquals(272, menuItemDao.findAll().size()); } ... Other test methods ommitted for brevity ... } I have the following in my jpaDaoTestsConfig.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- uses the persistence unit defined in the META-INF/persistence.xml JPA configuration file --> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean"> <property name="persistenceUnitName" value="CONOPS_PU" /> </bean> <bean id="groupDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.GroupDao" lazy-init="true" /> <bean id="permissionDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.PermissionDao" lazy-init="true" /> <bean id="applicationUserDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.ApplicationUserDao" lazy-init="true" /> <bean id="conopsUserDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.ConopsUserDao" lazy-init="true" /> <bean id="menuItemDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.MenuItemDao" lazy-init="true" /> <!-- enables interpretation of the @Required annotation to ensure that dependency injection actually occures --> <bean class="org.springframework.beans.factory.annotation.RequiredAnnotationBeanPostProcessor"/> <!-- enables interpretation of the @PersistenceUnit/@PersistenceContext annotations providing convenient access to EntityManagerFactory/EntityManager --> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/> <!-- transaction manager for use with a single JPA EntityManagerFactory for transactional data access to a single datasource --> <bean id="jpaTransactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory"/> </bean> <!-- enables interpretation of the @Transactional annotation for declerative transaction managment using the specified JpaTransactionManager --> <tx:annotation-driven transaction-manager="jpaTransactionManager" proxy-target-class="false"/> </beans> Now, when I try to run this, I get the following: SEVERE: Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@fa60fa6] to prepare test instance [null(mil.navy.ndms.conops.common.dao.impl.MenuItem_Junit4_JPATest)] org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mil.navy.ndms.conops.common.dao.impl.MenuItem_Junit4_JPATest': Injection of resource fields failed; nested exception is java.lang.IllegalStateException: Specified field type [interface javax.persistence.EntityManagerFactory] is incompatible with resource type [javax.persistence.EntityManager] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessAfterInstantiation(CommonAnnotationBeanPostProcessor.java:292) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:959) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:329) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:110) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:255) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:93) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.invokeTestMethod(SpringJUnit4ClassRunner.java:130) at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:61) at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:54) at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34) at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44) at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:52) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) Caused by: java.lang.IllegalStateException: Specified field type [interface javax.persistence.EntityManagerFactory] is incompatible with resource type [javax.persistence.EntityManager] at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.checkResourceType(InjectionMetadata.java:159) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.(PersistenceAnnotationBeanPostProcessor.java:559) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$1.doWith(PersistenceAnnotationBeanPostProcessor.java:359) at org.springframework.util.ReflectionUtils.doWithFields(ReflectionUtils.java:492) at org.springframework.util.ReflectionUtils.doWithFields(ReflectionUtils.java:469) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findPersistenceMetadata(PersistenceAnnotationBeanPostProcessor.java:351) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(PersistenceAnnotationBeanPostProcessor.java:296) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:745) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:448) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(AccessController.java:219) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:168) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:435) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:409) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:537) at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:180) at org.springframework.beans.factory.annotation.InjectionMetadata.injectFields(InjectionMetadata.java:105) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessAfterInstantiation(CommonAnnotationBeanPostProcessor.java:289) ... 18 more It seems to be telling me that its attempting to store an EntityManager object into an EntityManagerFactory field, but I don't understand how or why. My DAO classes accept both an EntityManager and EntityManagerFactory via the @PersistenceContext attribute, and they work find if I load them up and run them without the @ContextConfiguration attribute (i.e. if I just use the XmlApplcationContext to load the DAO and the EntityManagerFactory directly in setUp ()). Any insights would be appreciated. Thanks. --Steve

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• Very long DNS lookups inside my network

  - by Nuno Cordeiro

  Ever since I installed DD-WRT (v24-sp2 08/07/10 std-usb-ftp) on my router (RT-N16), my browsing got substantially slower. Using FirePHP I figured out that it's being caused by VERY long DNS lookups (~30 seconds). When the domain name was very recently accessed then speed is very good. I tried changing DNS on the computer and I tried messing around with the options on DD-WRT. I have tried to configure the router with Google DNS and/or OpenDNS. My current DNS output after using ipconfig -all is: 192.168.1.1 208.67.220.220 8.8.8.8 208.67.222.222 Can someone help me debug and solve this problem? I'd like to snoop the requests themselves. How can I know which DNS requests are being sent and which are failing/succeeding? Note: I don't expect this to be relevant but my router is connected to the internet through an ONT.

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• Linux (Kubuntu 9.10): Strange DNS problem [seems to be IPv6 issue]

  - by Homer J. Simpson

  Hi, I'm experiencing strange problems with my Kubuntu 9.10 when doing DNS requests from various applications. The requests are extremely slow, so loading any pages in Firefox or Konqueror, doing package installations in Kpackagemanager and other apps is really painful, while for example Opera doesnt have any problems, and ping is normally fast as well for DNS pings. I checked the proxy settings of both the used applications as well as of the general system and there are none, so to me it doesn't seem as there was something inbetween.. Does anybody have an idea on what to check for possible problem sources or how to solve this ? I'm behind a DSL home router which does the DHCP (and works well with my other computer). Any kind of advice would be really helpful. Edit: It seems to be some kind of IPv6 problem, as I could get it to work by disabling IPv6 explicitly in Firefox. Is there a general solution to this ?

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