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• Custom GTK widget to bypass GTK layout engine?

  - by fret

  I have an application layer that I'd like to port to Gtk that has all it's own layout code and I don't really want to spend 'n' months re-writting it to work with the Gtk layout system, but rather just using the existing internal layout code and have Gtk render the resulting widgets. I've started by writting my own widget after trying several of the built in containers. Basically I'm looking for something like the GtkFixed container that doesn't have a minimum size, i.e. Gtk will fit the first widget to the entire window, and all the child widgets will lay themselves out so that they fill the area. If I use GtkFixed for that, the window is always limited to the size of the initial layout, as thats the "requested" space. I can't resize it smaller than that using the edges of the window decor. Maybe I need schooling in allocation vs requesting. My googling so far hasn't found the information I need to make this work. I did try. I'm using the C api at the moment, and I'm targetting Win32 and Linux. So far I have a shell app working in Win32 that puts up an empty window. But the first child widget is limiting the resizing to it's initial size.

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• Generate JSON object with transactionReceipt

  - by Carlos

  Hi, I've been the past days trying to test my first in-app purchse iphone application. Unfortunately I can't find the way to talk to iTunes server to verify the transactionReceipt. Because it's my first try with this technology I chose to verify the receipt directly from the iPhone instead using server support. But after trying to send the POST request with a JSON onbject created using the JSON api from google code, itunes always returns a strange response (instead the "status = 0" string I wait for). Here's the code that I use to verify the receipt: - (void)recordTransaction:(SKPaymentTransaction *)transaction { NSString *receiptStr = [[NSString alloc] initWithData:transaction.transactionReceipt encoding:NSUTF8StringEncoding]; NSDictionary *jsonDictionary = [NSDictionary dictionaryWithObjectsAndKeys:@"algo mas",@"receipt-data",nil]; NSString *jsonString = [jsonDictionary JSONRepresentation]; NSLog(@"string to send: %@",jsonString); NSLog(@"JSON Created"); urlData = [[NSMutableData data] retain]; //NSURL *sandboxStoreURL = [[NSURL alloc] initWithString:@"https://sandbox.itunes.apple.com/verifyReceipt"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://sandbox.itunes.apple.com/verifyReceipt"]]; [request setHTTPMethod:@"POST"]; [request setHTTPBody:[jsonString dataUsingEncoding:NSUTF8StringEncoding]]; NSLog(@"will create connection"); [[NSURLConnection alloc] initWithRequest:request delegate:self]; } maybe I'm forgetting something in the request's headers but I think that the problem is in the method I use to create the JSON object. HEre's how the JSON object looks like before I add it to the HTTPBody : string to send: {"receipt-data":"{\n\t\"signature\" = \"AUYMbhY ........... D0gIjEuMCI7Cn0=\";\n\t\"pod\" = \"100\";\n\t\"signing-status\" = \"0\";\n}"} The responses I've got: complete response { exception = "java.lang.IllegalArgumentException: Property list parsing failed while attempting to read unquoted string. No allowable characters were found. At line number: 1, column: 0."; status = 21002; } Thanks a lot for your guidance.

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• alphanumeric and special character sorting

  - by Kaushik Gopal

  Hi ppl, I wanted to know the different standards of sorting. To be more specific take the sample set: (Please note there's capitals, small letters, special characters, null values and numbers here) A a 3F Zx - 1Ad NULL How would the Oracle Database sort this by default? How would LINQ sort this by default? How would db2 sort this by default? (the following may get even more vague) How does the Windows platform sort this? (I mean say you have a couple of filenames, by default how would this get treated in a name sort) How does the *nix platform sort this? Is there some sort of standard for alphanumeric/special character sorting? The Windows operating system orders with numbers first, then alphabets. The Oracle database however treats alphabets first. I'm not sure of the *nix platform. It would be nice to have one place to know all these rules for the most common platforms (listed in questions above). Would the gurus throw some light on this topic? Cheers, K

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• Slimbox 2 Plugin, jQuery Flickr, and IE8

  - by Nick H.

  Hello, I am currently developing a site that I make use of two jQuery plugins: Flickr jquery plugin (http://code.google.com/p/jquery-flickr/) Slimbox (http://code.google.com/p/slimbox/) The first plugin is used to pull in flickr photos from a specific account. These photos are displayed as thumbnails on the page. I am then using the second plugin to display larger views of these images. Because the flickr photos are fetched when the page loads, I am calling the Slimbox 2 function like this: $(document).ready(function() { $("#Flickr").flickr(); //Call Flickr plugin $(window).bind('load', function() { $("#Flickr a").slimbox();//Call Slimbox2 }); }); On first testing this seemed to have worked perfectly. I tested multiple versions of FireFox, IE7, IE6, and Safari. Everything is great. However, the Slimbox lightbox effest does not work in IE8. However, if I put IE8 into compatibility mode, everything works as expected. I would like to avoid forcing compatibility mode. There are no javascript errors and I am at a loss for testing. Here is a link to a sample: http://www.njhall.com/JRMcCourt-Builders/index.html#ourwork Any advice would be greatly appreciated. Thanks Nick

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• EWS: RemoveExtendedProperty throws error when used on an occurrence of a recurring appointment

  - by flyfishnjake

  I am developing an application that syncs an exchange calendar to another calendar. I put extended properties on the exchange appointments in order to preserve the mapping between appointments in the two calendars. Everything is working fine until I try to remove an extended property from an occurrence of a recurring appointment. When I try doing this, I get the error: The delete action is not supported for this property. Here is a code snippet that demonstrates the error: public void ExchangeTest() { ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1) { Credentials = new NetworkCredential("username", "password", "domain") }; service.AutodiscoverUrl("[email protected]"); Appointment appt = new Appointment(service) { Recurrence = new Recurrence.DailyPattern(DateTime.Now, 2) { NumberOfOccurrences = 3}, Start = DateTime.Now, End = DateTime.Now.AddHours(2), Subject = "Test Appointment" }; NameResolutionCollection resolutionCollection = service.ResolveName("username", ResolveNameSearchLocation.DirectoryOnly, false); string mailboxAddress = resolutionCollection.First().Mailbox.Address; FolderId folderId = new FolderId(WellKnownFolderName.Calendar, mailboxAddress); appt.Save(folderId); PropertySet properties = new PropertySet(AppointmentSchema.ICalUid); appt.Load(properties); CalendarView view = new CalendarView(DateTime.Today, DateTime.Today.AddDays(8)){PropertySet = properties}; IEnumerable<Appointment> occurrences = service.FindAppointments(folderId, view) .Where(a => a.ICalUid == appt.ICalUid); ExtendedPropertyDefinition definition = new ExtendedPropertyDefinition(DefaultExtendedPropertySet.PublicStrings, "TestProperty", MapiPropertyType.String); Appointment firstOccurrence = occurrences.First(); firstOccurrence.SetExtendedProperty(definition, "test"); firstOccurrence.Update(ConflictResolutionMode.AutoResolve); //The error occurs on the next line. firstOccurrence.RemoveExtendedProperty(definition); firstOccurrence.Update(ConflictResolutionMode.AutoResolve); //clean up appt.Delete(DeleteMode.HardDelete); } It appears that the error is only thrown for an Exchange 2007 server (It works on 2010). Am I doing something wrong, or is this a problem with Exchange? Is there a way to work around this issue? Any help will be appreciated.

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• Ext3 fs: Block bitmap for group 1 not in group (block 0). is fs dead?

  - by ip

  Hi, My company has a server with one big partition with Mysql database and php files. Now this partition seems to be corrupted, as reported from kernel messages when I tried to mount it manually: [329862.817837] EXT3-fs error (device loop1): ext3_check_descriptors: Block bitmap for group 1 not in group (block 0)! [329862.817846] EXT3-fs: group descriptors corrupted! I've tried to recovery it running tools from a PLD livecd. These are the tools I have tested: - e2retrieve - testdisk - photorec - dd_rescue/dd_rhelp - ddrescue - fsck.ext2 - e2salvage without any success. dumpe2fs 1.41.3 (12-Oct-2008) Filesystem volume name: /dev/sda3 Last mounted on: <not available> Filesystem UUID: dd51610b-6de0-4392-a6f3-67160dbc0343 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal filetype sparse_super Default mount options: (none) Filesystem state: not clean with errors Errors behavior: Continue Filesystem OS type: Linux Inode count: 9502720 Block count: 18987570 Reserved block count: 949378 Free blocks: 11555345 Free inodes: 11858398 First block: 0 Block size: 4096 Fragment size: 4096 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 16384 Inode blocks per group: 512 Last mount time: Wed Mar 24 09:31:03 2010 Last write time: Mon Apr 12 11:46:32 2010 Mount count: 10 Maximum mount count: 30 Last checked: Thu Jan 1 01:00:00 1970 Check interval: 0 (<none>) Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 128 Journal inode: 8 Journal backup: inode blocks dumpe2fs: A block group is missing an inode table while reading journal inode There's any other tools I have to test before considering these disk definitely unrecoverable? Many thanks, ip

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• UITextField in UIAlertView doesn't respond to cut/copy/paste on second showing

  - by Jesse Grosjean

  I"m adding a UITextView to a UIAlertView with the following code: UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Enter Name Here" message:@"this gets covered!" delegate:self cancelButtonTitle:@"Dismiss" otherButtonTitles:@"OK!", nil]; UITextField *myTextField = [[UITextField alloc] initWithFrame:CGRectMake(12, 45, 260, 25)]; CGAffineTransform myTransform = CGAffineTransformMakeTranslation(0, 60); [alert setTransform:myTransform]; [myTextField setBackgroundColor:[UIColor whiteColor]]; [alert addSubview:myTextField]; [alert show]; [alert release]; [myTextField release]; If I place that code in a standard action method: - (IBAction)testAlertView:(id)sender { ...the above code... } Then the first time I show the alert view the cut/copy/paste popup menu will show in the text fields that's been added to the alert view. (For instance if I tap and hold, then "Paste" will popup after I release. The problem is after working correctly the first time, none of the cut/copy/paste buttons will show up again when I show the alert view unless I restart the app. Does anyone know why, or how to fix this problem? Bonus information I just found out that I can get things to always work if I create an show the alert within a UIActionSheet delagate callback. For instance this always works (cut/copy/paste always shows up when in the UITextField when appropriate) - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { ...the above code... } Any idea what might be happening in this second case that make things work? I don't want to use a UIActionSheet in my app, so I'd like to find a way to make it work from a plain old action method. Thanks, Jesse

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• UITextField in UIAlertView doesn't respond to cut/copy/paste on second showing

  - by Jesse Grosjean

  Edit Reposting... I accidentally marked my previous question as "commuity wiki" and didn't realize that answers to wiki posts don't generate reputation. I"m adding a UITextView to a UIAlertView with the following code: UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Enter Name Here" message:@"this gets covered!" delegate:self cancelButtonTitle:@"Dismiss" otherButtonTitles:@"OK!", nil]; UITextField *myTextField = [[UITextField alloc] initWithFrame:CGRectMake(12, 45, 260, 25)]; CGAffineTransform myTransform = CGAffineTransformMakeTranslation(0, 60); [alert setTransform:myTransform]; [myTextField setBackgroundColor:[UIColor whiteColor]]; [alert addSubview:myTextField]; [alert show]; [alert release]; [myTextField release]; If I place that code in a standard action method: (IBAction)testAlertView:(id)sender { ...the above code... } Then the first time I show the UIAlertView the cut/copy/paste popup menu will show in UITextField that's been added to the UIAlertView. (For instance if I tap and hold, then "Paste" will popup after I release. The problem is after working correctly the first time, none of the cut/copy/paste buttons will show up again next time I show the UIAlertView (new instance) unless I restart the app. Does anyone know why, or how to fix this problem? Bonus information I just found out that I can get things to always work if I create an show the alert within a UIActionSheet delagate callback. For instance this always works (cut/copy/paste always shows up when in the UITextField when appropriate) (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { ...the above code... } Any idea what might be happening in this second case that make things work? I don't want to use a UIActionSheet in my app, so I'd like to find a way to make it work from a plain old action method. Thanks, Jesse

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• Any way to loop through FPDF code with proper XY coordinates?

  - by JM4

  At the end of a form collection, I provide the consumer a printable PDF with the information they just entered. I already run through a loop to store the variables themselves but am wondering if it is at all possible to build a loop that builds on itself for FPDF. The catch is this, each new variable (#1, #2, #3) will change location by a determined amount of space. For example: I print the Member #1 First name at coordinate at coordinate (95, 101). I print Member #2 First name at coordinate (95, 110)... and so on. Each known variable will be 9.5mm greater than its previous entry (therefor Member #9 will be 40mm higher than Member 6) My sample code for the FPDF itself is: $pdf->SetFont('Arial','', 7); $pdf->SetXY(8,76.5); $pdf->Cell(20,0,$f1name); $pdf->SetFont('Arial','', 5); $pdf->SetXY(50.5,76.5); $pdf->Cell(20,0,$f1address); $pdf->SetFont('Arial','', 7); $pdf->SetXY(95.7,76.5); $pdf->Cell(20,0,$f1city); $pdf->SetXY(129.5,76.5); $pdf->Cell(20,0,$f1state); $pdf->SetXY(139.1,76.5); $pdf->Cell(20,0,$f1zip); $pdf->SetXY(151,76.5); $pdf->Cell(20,0,$f1dob); $pdf->SetXY(168,76.5); $pdf->Cell(20,0,$f1ssn); $pdf->SetXY(186,76.5); $pdf->Cell(20,0,$f1phone); $pdf->SetXY(55,81.1); $pdf->Cell(20,0,$f1email); $pdf->SetXY(129,81.1); $pdf->Cell(20,0,$f1fednum); Ideally, all Y variables with $f2 would be 9.5mm greater than f1's Y values.

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• jQuery AJAX request (Rails 3) gets redirected and returns empty message body (only with SSL)!

  - by elsurudo

  I'm trying to do a manual jQuery AJAX request the following way: $("#user_plan_id").change(function() { $("#plan_container").load('/plans/' + this.value); }); I have the "rails.js" file included in my header, and a "<%= csrf_meta_tag %". I see from my log that the request IS getting to the server (although without the authenticity token... does rails.js even do this?), but the response is a 302 (Found) rather than 200, and no data actually gets rendered. Any ideas? Edit: I now see that the first request redirects, and the proper partial gets rendered on the redirect. However, the 2nd response's body (on the client-side) is still empty. I'm guessing jQuery uses the first response and doesn't have a listener set up for the redirect. How do I get around this? Also, another note: the page doing the requesting is an HTTPS page. Here is what my log says: Started GET "/plans/221168073" for 127.0.0.1 at Tue Jun 15 01:24:06 -0400 2010 Processing by PlansController#show as HTML Parameters: {"id"=>"221168073"} DEPRECATION WARNING: Using #request_uri is deprecated. Use fullpath instead. (called from ensure_proper_protocol at /Users/ernestsurudo/Sites/vidfolia/vendor/plugins/ssl_requirement/lib/ssl_requirement.rb:57) Redirected to http://vidfolia.com/plans/221168073 Completed 302 Found in 1ms It turns out that if I turn off SSL requirement for that page, it works! I still have no idea why, though. So I suppose my question is: what is the workaround?

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• Extending Zend View Helper Placeholder

  - by Sonny

  I was reading the manual about basic placeholder usage, and it has this example: class Bootstrap extends Zend_Application_Bootstrap_Bootstrap { // ... protected function _initSidebar() { $this->bootstrap('View'); $view = $this->getResource('View'); $view->placeholder('sidebar') // "prefix" -> markup to emit once before all items in collection ->setPrefix("<div class=\"sidebar\">\n <div class=\"block\">\n") // "separator" -> markup to emit between items in a collection ->setSeparator("</div>\n <div class=\"block\">\n") // "postfix" -> markup to emit once after all items in a collection ->setPostfix("</div>\n</div>"); } // ... } I want to acommplish almost exactly that, but I'd like to conditionally add more class values to the repeating divs, at time of rendering if possible, when all the content is in the placeholder. One thing I specifically want to do is add the class of "first" to the first element and "last" to the last element. I assume that I'll have to extend the Zend_View_Helper_Placeholder class to accomplish this.

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• SharePoint custom web service consumption problems - HTTP 401: Unauthorized

  - by alekz

  I have a custom web service deployed into WSS 3. It has two web methods. The first one returns the version of the loaded assembly without any invocation of the SharePoint objects. The second returns some basic info about the library, something like: var spLibrary = [find library logic]; return spLibrary.Name+"@"+spLibrary.Url; In the client app I have something like the following: var service = new WebService1(); service.Url = [url]; service.Credentials = System.Net.CredentialCache.DefaultCredentials; service.Method1(); service.Method2(); When the client app runs on the machine where SharePoint is deployed, everything works just fine. When the client app runs on the remote machine (but under the same user) the first method still works, but the second one throws System.Net.WebException: HTTP 401: Unauthorized. I have tried to set credentials manualy (service.Credentials = new System.Net.NetworkCredential(login, password, domain);) but this doesnt help. I've tried to invoke the built in SharePoint web services using a similar scenario, and they work just fine: Sorry for the mistake... Some methods were not working fine without the appropriate privileges. var service = new GroupsService(); service.Url = [url]; service.Credentials = System.Net.CredentialCache.DefaultCredentials; service.SomeMethod();

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• Improve XPath efficiency for repeated, parameterized queries

  - by Chris Allan

  Hi, I am repeatedly performing the following XPath query (though parameterized by 'keywordText') around 40,000 times: String query = SystemGlobal.YAHOO_KEYWORDSSUBNODE + "/" + SystemGlobal.YAHOO_KEYWORDNODE + "[" + SystemGlobal.YAHOO_ATTRKEYPHRASE + "='" + keywordText + "']"; CachedXPathAPI cachedXPathAPI = new CachedXPathAPI(); NodeIterator nl = cachedXPathAPI.selectNodeIterator(doc.getElementsByTagName(SystemGlobal.YAHOO_KEYWORDSROOT).item(0), query); Node n; if ((n = nl.nextNode()) != null) { keyword.setKeywordId(Long.parseLong(cachedXPathAPI.selectSingleNode(n, SystemGlobal.YAHOO_ATTRKEYID).getTextContent())); keyword.setKeyPhrase(cachedXPathAPI.selectSingleNode(n, SystemGlobal.YAHOO_ATTRKEYPHRASE).getTextContent()); keyword.setStatus(mapStatus(cachedXPathAPI.selectSingleNode(n, SystemGlobal.YAHOO_ATTRSTATUS).getTextContent())); keyword.setCampaignId(Long.parseLong(cachedXPathAPI.selectSingleNode(n, "../../" + SystemGlobal.YAHOO_ATTRCAMPAIGNID).getTextContent())); keyword.setAdGroupId(Long.parseLong(cachedXPathAPI.selectSingleNode(n, "../" + SystemGlobal.YAHOO_ATTRADGROUPID).getTextContent())); On the first run of the script, all 40,000 runs of this piece of code will have nl.nextNode() == null, and everything runs quite quickly. However, on the following runs, when nl.nextNode() != null, then things slow down a lot - this takes around an additional 40min to run (whereas the first run takes maybe 1 minute). Oh, and the doc is constructed like so: InputSource in = new InputSource(new FileInputStream(filename)); DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance(); dfactory.setNamespaceAware(true); doc = dfactory.newDocumentBuilder().parse(in); I tried including the following lines reportEvaluator = new XPathEvaluatorImpl(reportDoc); reportResolver = reportEvaluator.createNSResolver(reportDoc); and rather creating a NodeIterator, instead creating an XPathResult: XPathResult result = (XPathResult)reportEvaluator.evaluate(query, doc.getElementsByTagName(SystemGlobal.YAHOO_KEYWORDSROOT).item(0), reportResolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null); however this ran even slower Is there a way in which I can speed up the running of this script? I have seen references to precompiled queries, though I haven't seen many actual details. Also, as seen in the code, I am using CachedXPathAPI, though the benefit for this case is not so great. Any help is much appreciated! Chris Allan

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• Application/Server dependency mapping

  - by David Stratton

  I'm just curious as to whether such as tool exists (free, open source, or commercial but for a reasonable price) before I build it myself. We're looking for a simple solution to simplify taking web apps online and offline when a server is undergoing maintenance. The idea is that we be able to mark a server as unavailable, and then mark all dependent (direct and indirect) as offline. Our first proof-of-concept is running, and we created an aspx page that lists various applications that have an App_Offline.html file with a friendly "Down for Maintenance" message in a GridView. In the GridView, each app has a LinkButton that, when clicked, either renames the App_Offline.htm to App_Offline.html or vice-versa to take the app online and offline. The next step is to set up all of our dependencies. For example, our store locater would be dependent on our web services, which in turn are dependent on our SQL Server. (that's a simple example. We can easily have several layers, or one app dependent on multiple servers, etc.) In this example, if the SQL server goes down, we would need to drill down recursively to find all apps that depend on it, and then turn them off and on by renaming the App_Offline file appropriately. I realize this will be relatively simple to build, but could be complex to manage. I'm sure we're not the first team to think of this concept, and I'm wondering if there are any open source tools, or if any of you have done something similar and can help us avoid pitfalls. Edit - Update I found the category of software I'm looking for. it's called CMDB - (Configuration Management Database), and it's generally more of a Network Admin type tool than a developer tool. I found some open source products in this category, but none written in .NET. I had considered moving this question to ServerFault.com when I realized I was looking for a netowrk Admin type tool, but since I'm looking for code and a modifiable solution I'll keep the question here.

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• Storing info in a PostgreSQl database issue

  - by MrEnder

  Ok I am making a registry for my website. First page asks for some personal info if($error==false) { $query = pg_query("INSERT INTO chatterlogins(firstName, lastName, gender, password, ageMonth, ageDay, ageYear, email, createDate) VALUES('$firstNameSignup', '$lastNameSignup', '$genderSignup', md5('$passwordSignup'), $monthSignup, $daySignup, $yearSignup, '$emailSignup', now());"); $query = pg_query("INSERT INTO chatterprofileinfo(email, lastLogin) VALUES('$emailSignup', now());"); $userNameSet = $emailSignup; $_SESSION['$userNameSet'] = $userNameSet; header('Location: signup_step2.php'.$rdruri); } The first query works. The second query works but doesn't save the email... the session doesn't work but the header works and sends me to the next page I get no errors even if I comment out header next page @session_start(); $conn = pg_connect("host=localhost dbname=brittains_db user=brittains password=XXXX" ); $signinCheck = false; $checkForm = ""; if(isset($_SESSION['$userName'])) { $userName = $_SESSION['$userName']; $signinCheck = true; $query = pg_query("UPDATE chatterprofileinfo SET lastLogin='now()' WHERE email='$userName'"); } if(isset($_SESSION['$userNameSet'])) { $userName = $_SESSION['$userNameSet']; $signinCheck = true; $query = pg_query("UPDATE chatterprofileinfo SET lastLogin='now()' WHERE email='$userName'"); } This is the top starting the session depending on if your logged in or not. then if I enter in the info here and put it through this if($error==false) { $query = pg_query("UPDATE chatterprofileinfo SET aboutSelf='$aboutSelf', hobbies='$hobbies', music='$music', tv='$tv', sports='$sports', lastLogin='now()' WHERE email='$userName'") or exit(pg_last_error()); //header('Location: signup_step3.php'.$rdruri); } nothing shows up for on my database from this. I have no idea where I went wrong the website is http://opentech.durhamcollege.ca/~intn2201/brittains/chatter/

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• Cannot access updated Java object from Saxon XSLT processor

  - by chipk

  I am working with an open source version of the Saxon XSLT processor "Saxon 9.0.0.2J from Saxonica" and am trying to make use of the java extensibility for the first time. I am running into an issue I suspect may be a limitation on the open source version, but wanted to check first whether there might be something I am just missing here. From the snippet below, my result is that the final value of $c1 does not change as a result of the call to greg:setTime() - i.e. the $c1 variable within Saxon appears to be unhooked from the underlying Java object and there is no apparent way to access the object as updated by the setTime() call. NOTE that all code in the snippet is tested and working otherwise - i.e. $c1 is properly instantiated by the getInstance() call, $startdate is of the proper format and $d1 is properly instantiated. Thoughts? <xsl:transform ..... xmlns:sql="java:java.sql.Date" xmlns:greg="java:java.util.GregorianCalendar" ..... > .... <xsl:element name="JobExpireDate"> <xsl:variable name="c1" select="greg:getInstance()" /> <xsl:variable name="d1" select="sql:valueOf($startdate)" /> <xsl:variable name="void" select="greg:setTime($c1,$d1)" /> <xsl:value-of select="$c1" /> </xsl:element>

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• How to prove writing specifications beats code cowboys?

  - by Andrew Grant

  So I have a problem. Or rather my friend has a problem, since I would never write about my company on an internet forum. At my friend's company specification writing is, shall we say, a little underused. There's a deeply ingrained culture of writing code first and asking questions later, whether it's for a library routine or a new tool to inflict on their long suffering designers. This of course leads to situations where functionality is partially correct, incorrect, or just completely missing ("oh, just save before trying anything you may want to undo"). This usually results in a loss of productivity for those poor designers, or beta periods where bug-fixing is largely spent implementing things correctly. My friend's found his suggestions of writing (and testing against) specifications to be generally well received. Most of his colleagues have embraced the wonderful feeling of discovering false-assumptions on paper, instead of at 11pm on a Sunday in the middle of beta. Viva La Revolution! However there are a few who poo-poo anything that stands between their task and a keyboard. They laugh at the thought of actually designing anything, and write code with merry abandon. Mostly these are senior, long employed developers, reluctant to "waste time". The problem is that this second group of heretics invariably produce things (or at least something) quicker than the first. Subsequently this becomes justification along the lines of "It's pointless to write specifications for something as simple as an image resizer! Oh and those bugs where width!=height or the image uses RLE just need a few tweaks". And now the question :) Other than saying "told you so" at the end of a project, what are some good short-term ways to demonstrate how the practice of writing functional or technical specifications leads to better software in the long run? Cheers!

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• "Unable To Load Client Print Control" - SSRS Printing problems again

  - by mamorgan1

  Please forgive me as my head is spinning. I have tried so many solutions to this issue, that I'm almost not sure where I am at this point. At this point in time I have these issues in my Production, Test, and Dev environments. For simplicity sake, I will just try to get it working in Dev first. Here is my setup: Database/Reporting Server (Same server): Windows Server 2003 SP2 SQL Server 2005 SP3 Development Box: Windows 7 Visual Studio 2008 SP1 SQL Server 2008 SP1 (not being used in this case, but wanted to include it in case it is relative) Internet Explorer 8 Details: * I have a custom ASP.NET application that is using ReportViewer to access reports on my Database/Reporting Server. * I am able to connect directly to Report Manager and print with no trouble. * When I view source on the page with ReportViewer, it says I'm am using version 9.0.30729.4402 . * The classid of the rsclientprint.dll that keeps getting installed to my c:\windows\downloaded program files directory is {41861299-EAB2-4DCC-986C-802AE12AC499}. * I have tried taking the rsclientprint.cab file from my Database/Reporting Server and installing it directly to my Development Box and had no success. I made sure to unregister the previously installed dll first. I feel like I have read as many solutions as I can, and so I turn to you for some assistance. Please let me know if I can provide further details that would be helpful. Thanks

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• PDFObject load event

  - by Priyank

  Hi. We are trying to load a pdf file in web browser using pdfobject javascript api. Currently the size of the pdf's that we are trying to display is close to 10MBs. This creates a long delay in displaying a PDF on web page; while the complete PDF gets downloaded. We need to remove this lag by achieving either of the alternatives: Show a progress bar until the PDF is actually displayed. We couldn't find an event which is triggered and can be used to find out if pdf is visible now. This lacking doesn't let us decide when to stop showing progress bar/spinner OR lazy load the PDF such that it gets displayed as soon as first page gets loaded. With that ateast user will have a visual indication as to something is happening. We couldn'find anything in pdf object that lets us do a lazy load. User alternative pdf rendering api; this is a low priority as we already have complete code in place; but in an event of first 2 alternatives not being met; we'd have to consider this option. So please feel free to suggest. Any other ideas as to how user interaction can be made more intuitive or pleasant; would be welcome. Cheers

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• jQuery slideToggle() Internet Explorer problem and jumpy animation

  - by UtothaX

  Hey yaa! I have a big problem with my jquery. I finally made it that my slidetoggle runs in firefox. The animation is a little bit jumpy in the end of the animation. I read a lot of workarounds, but somehow nothing helped me really. Perhaps anyone of you can rescue me out of this dilemma. The other bigger problem is that the hidden divs are unfortunately shown directly on start in internet explorer. I tested it in IE6&7. And the sliding effect is also very strange. Does anyone of you know if I have to give additional styling for IE??? Here is my site I am working on: http://www.haus-plan.de/%5F01%5FHausplan/ the red titles are slideable in the content area and the two Slide words on the right panel. I noticed that Internet Explorer runs the first Slide word on the right panel correctly. Here its div is first hidden and only shows up when we click and let it slide down. But for the other divs they are shown in the beginning which is very sh..... Please help meee....

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• How can I line up WPF items in a Horizontal WrapPanel so they line up based on an arbitrary vertical

  - by Scott Whitlock

  I'm trying to create a View in WPF and having a hard time figuring out how to set it up. Here's what I'm trying to build: My ViewModel exposes an IEnumerable property called Items Each item is an event on a timeline, and each one implements ITimelineItem The ViewModel for each item has it's own DataTemplate to to display it I want to display all the items on the timeline connected by a line. I'm thinking a WrapPanel inside of a ListView would work well for this. However, the height of each item will vary depending on the information it displays. Some items will have graphic objects right on the line (like a circle or a diamond, or whatever), and some have annotations above or below the line. So it seems complicated to me. It seems that each item on the timeline has to render its own segment of the line. That's fine. But the distance between the top of the item to the line (and the bottom of the item to the line) could vary. If one item has the line 50 px down from the top and the next item has the line 100 px down from the top, then the first item needs 50 px of padding so that the line segments add up. I think I could solve that problem, however, we only need to add padding if these two items are on the same line in the WrapPanel! Let's say there are 5 items and only room on the screen for 3 across... the WrapPanel will put the other two on the next line. That's ok, but that means only the first 3 need to pad together, and the last 2 need to pad together. This is what's giving me a headache. Is there another approach I could look at?

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• How would i down-sample a .wav file then reconstruct it using nyquist? - in matlab [closed]

  - by martin

  Possible Duplicate: How would i down-sample a .wav file then reconstruct it using nyquist? - in matlab This is all done in MatLab 2010 My objective is to show the results of: undersampling, nyquist rate/ oversampling First i need to downsample the .wav file to get an incomplete/ or impartial data stream that i can then reconstuct. Heres the flow chart of what im going to be doing So the flow is analog signal - sampling analog filter - ADC - resample down - resample up - DAC - reconstruction analog filter what needs to be achieved: F= Frequency F(Hz=1/s) E.x. 100Hz = 1000 (Cyc/sec) F(s)= 1/(2f) Example problem: 1000 hz = Highest frequency 1/2(1000hz) = 1/2000 = 5x10(-3) sec/cyc or a sampling rate of 5ms This is my first signal processing project using matlab. what i have so far. % Fs = frequency sampled (44100hz or the sampling frequency of a cd) [test,fs]=wavread('test.wav'); % loads the .wav file left=test(:,1); % Plot of the .wav signal time vs. strength time=(1/44100)*length(left); t=linspace(0,time,length(left)); plot(t,left) xlabel('time (sec)'); ylabel('relative signal strength') **%this is were i would need to sample it at the different frequecys (both above and below and at) nyquist frequency.*I think.*** soundsc(left,fs) % shows the resaultant audio file , which is the same as original ( only at or above nyquist frequency however) Can anyone tell me how to make it better, and how to do the various sampling at different frequencies?

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• Seperation of notification confirmation+storage and handling notification asp.net mvc

  - by bastijn

  After a payment from my web application to a 3rd party the 3rd party sends, next to the direct confirmation message, a notification message. This notification message is stored in my database for future use and I have to send a notification confirmed back. For this purpose I currently use a: return Content("received") Which is standard protocol for the service. Currently, I process the incoming notification by first storing it, than handling it (updating account credits etc in my application) and in the end sending a response. This all works well. But I want to seperate handling the notification and storing+responding to the webservice. The problem is that the "return Content()" is ending my controller method and therefore I cannot simply first send the confirmation message back to the webservice and than call my handle_Notification() method. So the solution would be to replace the return Content() part with something equal which doesn't involve a "return", is this possible, as I do not now the complete URL calling I cannot easily create a simple HTTP POST web request (I tried, might have made an error but did not work). Another solution would be to have some kind of timer or listener which either periodically checks for new notifications in the Database which have to be handled or a listener listening to DB new notifications or something. What is the standard procedure on this, if any?

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• Mysql SELECT FOR UPDATE - strange issue

  - by Michal Fronczyk

  Hi, I have a strange issue (at least for me :)) with the MySQL's locking facility. I have a table: Create Table: CREATE TABLE test ( id int(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY (id) ) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1 With this data: +----+ | id | +----+ | 3 | | 4 | | 5 | | 6 | | 7 | | 8 | | 10 | | 11 | | 12 | +----+ Now I have 2 clients with these commands executed at the beginning: set autocommit=0; set session transaction isolation level serializable; begin; Now the most interesting part. The first client executes this query: (makes an intent to insert a row with id equal to 9) SELECT * from test where id = 9 FOR UPDATE; Empty set (0.00 sec) Then the second client does the same: SELECT * from test where id = 9 FOR UPDATE; Empty set (0.00 sec) My question is: Why the second client does not block ? An exclusive gap lock should have been set by the first query because FOR UPDATE have been used and the second client should block. If I am wrong, could somebody tell me how to do it correctly ? The MySql version I use is: 5.1.37-1ubuntu5.1 Thanks, Michal

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• problem using getline with a unicode file

  - by hamishmcn

  UPDATE: Thank you to @Potatoswatter and @Jonathan Leffler for comments - rather embarrassingly I was caught out by the debugger tool tip not showing the value of a wstring correctly - however it still isn't quite working for me and I have updated the question below: If I have a small multibyte file I want to read into a string I use the following trick - I use getline with a delimeter of '\0' e.g. std::string contents_utf8; std::ifstream inf1("utf8.txt"); getline(inf1, contents_utf8, '\0'); This reads in the entire file including newlines. However if I try to do the same thing with a wide character file it doesn't work - my wstring only reads to the the first line. std::wstring contents_wide; std::wifstream inf2(L"ucs2-be.txt"); getline( inf2, contents_wide, wchar_t(0) ); //doesn't work For example my if unicode file contains the chars A and B seperated by CRLF, the hex looks like this: FE FF 00 41 00 0D 00 0A 00 42 Based on the fact that with a multibyte file getline with '\0' reads the entire file I believed that getline( inf2, contents_wide, wchar_t(0) ) should read in the entire unicode file. However it doesn't - with the example above my wide string would contain the following two wchar_ts: FF FF (If I remove the wchar_t(0) it reads in the first line as expected (ie FE FF 00 41 00 0D 00) Why doesn't wchar_t(0) work as a delimiting wchar_t of "00 00"? Thank you

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