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• How can I set the default value for a custom "Number" field in SharePoint?

  - by UnhipGlint

  I created a custom field for a content type I am creating using the XML below. <field ID="{GUID}" Required="False" DisplayName="Likes" Name="Likes" Type="Number" SourceID="http://schemas.microsoft.com/sharepoint/v3"><default>0</default></field> The field is meant to be used as a counter of sorts, and will be incremented programmatically. But, I can't get the value to default to "0" when a new item is created. However, for some reason, when I create a new column manually using the Site Collection settings page and configure it to default to "0" it works as it should. So far, I've tried the following tactics: I removed the "default" element from the field definition, and set the "DefaultValue" attribute on the content type definition. I exported a definition for the manually-created, working column (using an Imtech STSADM tool). Then, I added it to my field definitions XML and modified the IDs so that I could add it to my content type. When I did this, it still didn't work, even though it was exported from a working column! Any idea why this isn't working for me?

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• Calculate location and number of intersections between multiple date/time ranges?

  - by Patricker

  I need to calculate the location of intersections between multiple date ranges, and the number of overlapping intersections. Then I need to show which date/time ranges overlap each of those intersecting sections. It is slightly more complicated than that so I'll do my best to explain by providing an example. I am working in VB.Net, but C# examples are acceptable as well as I work in both. We have several high risk tasks that involve the same system. Below I have three example jobs named HR1/2/3/4 with start and end date/times. HR1 {1/6/2010 10:00 - 1/6/2010 15:00} HR2 {1/6/2010 11:00 - 1/6/2010 18:00} HR3 {1/6/2010 12:00 - 1/6/2010 14:00} HR4 {1/6/2010 18:00 - 1/6/2010 20:00} What I want the end result to be is shown below. I am having trouble describing it any way but by example. HRE1 {1/6/2010 10:00 - 1/6/2010 11:00} - Intersects 1 {End Time Split 1, for readability only, not needed in solution} HRE1 {1/6/2010 11:00 - 1/6/2010 12:00} - Intersects 2 HRE2 {1/6/2010 11:00 - 1/6/2010 12:00} - Intersects 2 {End Time Split 2, for readability only, not needed in solution} HRE1 {1/6/2010 12:00 - 1/6/2010 14:00} - Intersects 3 HRE2 {1/6/2010 12:00 - 1/6/2010 14:00} - Intersects 3 HRE3 {1/6/2010 12:00 - 1/6/2010 14:00} - Intersects 3 {End Time Split 3, for readability only, not needed in solution} HRE1 {1/6/2010 14:00 - 1/6/2010 15:00} - Intersects 2 HRE2 {1/6/2010 14:00 - 1/6/2010 15:00} - Intersects 2 {End Time Split 4, for readability only, not needed in solution} HRE2 {1/6/2010 15:00 - 1/6/2010 18:00} - Intersects 1 {End Time Split 5, for readability only, not needed in solution} HR4 {1/6/2010 18:00 - 1/6/2010 20:00} - Intersects 1 Any help would be greatly appreciated.

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• Does Android Speech Synthesis do not work for HTC Dream firmware version 1.6 build DRD20 ?

  - by mob-king

  I have a HTC Dream firmware version 1.6 build DRD20. I am unable to install voice data in Menu == Settings == Speech Synthesis == Install voice data. The option just brings me back to previous screen of settings. I also tried installing Speech Synthesis Data Installer and many other applications for text to speech. But none works and give back Sorry! Force close error. Is there any way by which I can install voice data ? Or any way I can use text to speech ? Can anyone also tell what is latest offical firmware available for this mobile ?

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• Number of simple mutations to change one string to another?

  - by mstksg

  Hi; I'm sure you've all heard of the "Word game", where you try to change one word to another by changing one letter at a time, and only going through valid English words. I'm trying to implement an A* Algorithm to solve it (just to flesh out my understanding of A*) and one of the things that is needed is a minimum-distance heuristic. That is, the minimum number of one of these three mutations that can turn an arbitrary string a into another string b: 1) Change one letter for another 2) Add one letter at a spot before or after any letter 3) Remove any letter Examples aabca => abaca: aabca abca abaca = 2 abcdebf => bgabf: abcdebf bcdebf bcdbf bgdbf bgabf = 4 I've tried many algorithms out; I can't seem to find one that gives the actual answer every time. In fact, sometimes I'm not sure if even my human reasoning is finding the best answer. Does anyone know any algorithm for such purpose? Or maybe can help me find one? Thanks.

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• Web Hosting: Any web host that supports files more than 50,000 in number?

  - by Devner

  Hi all, For my PHP & mySQL based application, I am trying to buy website hosting from a host who does not have a limit on the number of files I carry in my hosting account. Almost all the websites have a common limit of 50,000 files (some websites call it 50,000 nodes). The rest(to the extent of my search) are not even close. I have gone through the various websites, Googled lot of information, have spoken with the customer service of the hosting companies and they said that they have a limit of 50,000 files and that's why they call it the LIMIT. Now I have my application, which is a kind of social networking website, where people can upload various files of varying file size. So say if 50,000 users were to join the website and upload 1 file each, the limit of 50,000 will be reached very easily and my 50,001 customer will start facing file upload problems (& so will my account). So I would like to know if there's any website hosting services that do NOT levy such restrictions. In summary, I need the following options: No maximum file limit (more than 50,000 files in account). No maximum file upload limit in server setting (10MB, 12MB, 15MB, 20MB, etc.). Ability to upload files of various types (zip, flv, jg, png, etc.). Ability to stream Audio and Video (live audio & video not necessary). Access to .htaccess Access to php.ini, my.cnf or my.ini (this would be a plus) Supports SSL. Provides dedicated hosting(& IP) as well. Monthly payments without contracts are a plus. If you know of any such website hosting services, please post a reply ( a link to the same will be appreciated ). Thank you.

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• How can I return the number of rows affected in sqlplus to a shell script?

  - by jessica

  Here is my shell script: # Deletes data from the 'sample' table starting August 30, 2011. # This is done in stages with a 7 second break every # 2 seconds or so to free up the database for other users. # The message "Done." will be printed when there are # no database entries left to delete. user="*****" pass="*****" while(true); do starttime=`date +%s` while [[ $((`date +%s` - $starttime)) -lt 2 ]]; do sqlplus $user/$pass@//blabla <<EOF whenever sqlerror exit 1 delete from sample where sampletime >= to_date('08-30-2011','mm-dd-yyyy') and rownum <= 2; commit; EOF rows = ??? if [ $rows -eq 0 ] ; then echo "Done." exit 0; fi done sleep 7 done If there is no way to get the number of rows, maybe I can use an error code returned by sqlplus to figure out when to end the script? Any thoughts? Thank you!

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• Whats the minimum iOS version which supports OpenGL ES2.0 ?

  - by Shireesh Agrawal

  Hi, I am not sure if the question even makes sense. I am writing an iPhone game which uses Opengl ES 2.0. I know that OpenGL ES 2.0 is supported on 3gs and higher. Is there a minimum requirement for iOS version too, like the device needs to have iOS 3.1.3 or higher? Or does it solely depend on the hardware? Thanks! -shireesh p.s. I tried to search on the net but havent found much, perhaps I am not using the right keywords

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• If we make a number every millisecond, how much data would we have in a day?

  - by Roger Travis

  I'm a bit confused here... I'm being offered to get into a project, where would be an array of certain sensors, that would give off reading every millisecond ( yes, 1000 reading in a second ). Reading would be a 3 or 4 digit number, for example like 818 or 1529. This reading need to be stored in a database on a server and accessed remotely. I never worked with such big amounts of data, what do you think, how much in terms of MBs reading from one sensor for a day would be?... 4(digits)x1000x60x60x24 ... = 345600000 bits ... right ? about 42 MB per day... doesn't seem too bad, right? therefor a DB of, say, 1 GB, would hold 23 days of info from 1 sensor, correct? I understand that MySQL & PHP probably would not be able to handle it... what would you suggest, maybe some aps? azure? oracle? ... Thansk!

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• What if a large number of objects are passed to my SwingWorker.process() method?

  - by Trejkaz

  I just found an interesting situation. Suppose you have some SwingWorker (I've made this one vaguely reminiscent of my own): public class AddressTreeBuildingWorker extends SwingWorker<Void, NodePair> { private DefaultTreeModel model; public AddressTreeBuildingWorker(DefaultTreeModel model) { } @Override protected Void doInBackground() { // Omitted; performs variable processing to build a tree of address nodes. } @Override protected void process(List<NodePair> chunks) { for (NodePair pair : chunks) { // Actually the real thing inserts in order. model.insertNodeInto(parent, child, parent.getChildCount()); } } private static class NodePair { private final DefaultMutableTreeNode parent; private final DefaultMutableTreeNode child; private NodePair(DefaultMutableTreeNode parent, DefaultMutableTreeNode child) { this.parent = parent; this.child = child; } } } If the work done in the background is significant then things work well - process() is called with relatively small lists of objects and everything is happy. Problem is, if the work done in the background is suddenly insignificant for whatever reason, process() receives a huge list of objects (I have seen 1,000,000, for instance) and by the time you process each object, you have spent 20 seconds on the Event Dispatch Thread, exactly what SwingWorker was designed to avoid. In case it isn't clear, both of these occur on the same SwingWorker class for me - it depends on the input data, and the type of processing the caller wanted. Is there a proper way to handle this? Obviously I can intentionally delay or yield the background processing thread so that a smaller number might arrive each time, but this doesn't feel like the right solution to me.

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• Using FOR XML AUTO against a synonym

  - by Rick

  We've just switched to synonyms for linked server stuff, and noticed that our FOR XML output is no longer correct. When returning XML results from a view, we could alias the view and that would be assigned as the element name. With synonyms, however, it seems to ignore the alias? We're still mostly on SQL 2005 - this bug doesn't seem to happen on our 2008 instance. Is this a known problem, and any ideas for work-arounds? For example, this is what we used to be able to do: select top 3 number from Numbers as elementname for xml auto <elementname number="0"/><elementname number="1"/><elementname number="2"/> And this is what happens with a synonym: select top 3 number from Numbers_synonym as elementname for xml auto <dbo.Numbers number="0"/><dbo.Numbers number="1"/><dbo.Numbers number="2"/> As you can see, SQL Server seems to use the name of the actual referenced object instead of the alias. This gets worse for cross server queries, because you get the four-part name instead of the nice alias. (eg: <rick_server.rick_database.dbo.Numbers number="0"/>...)

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• Should I auto-increment the assembly version when I build my software?

  - by rwmnau

  In Visual Studio 2003, you could easily set your project assembly to auto-increment every time you built it, but with Visual Studio 2005, this functionality was removed. You can still auto-increment your assembly version on every build, but it's a complicated custom build step instead of an integrated feature. I'm not sure why this was removed, but here's a question I should have asked a while ago - Should I be using a workaround to continue to auto-increment when I build, or is there a good reason to stop doing this, in favor of manually incrementing? Since Microsoft removed it from VS, perhaps there's a good reason, and I'm wondering if anybody knows it.

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• Is there a version of postActionEvent for KeyEvent (specifically for a JTextArea)?

  - by Brian Pelc

  I'm writing a program that contains multiple JTextFields and 2 JTextAreas within an input panel. I have a submit button on the bottom. I have it set up so when a user types something into each field (including the JTextAreas) and hits the Enter key, it updates a text file, and when they press the submit button it updates the file then outputs a new version of it in the local directory. If the user presses Enter in any of the fields, it validates their input, however, I want to re-validate all fields when they press the submit button. Each field (again, JTextAreas included) has it's own validation check within its ActionListener or KeyListener (for the JTextAreas). It's easy enough to use postActionEvent() for the JTextFields, but is there a similar method for the JTextAreas to force fire a KeyEvent? I don't want to duplicate code and consume memory by re-writing the validation for those 2 Components inside the ActionEvent for the JButton. Unfortunately, I can't provide a sample because I'm writing the program on a classified machine (PC).

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• Expression Studio - v2 good enough for learning?

  - by aSkywalker

  I have VS 2008, and looking forward to moving fairly quickly to VS2010. Our applications (we only have a few) are all winforms apps - mostly VB. I want to start to learn WPF. My version of Expression Studio is version 2. I have heard that the improvements made from version 2 to version 3 are significant. If it follows the paradigm of version 3 being the adult app (past the infancy of version 1 and the awkwardness of version 2), then I suppose it would be worth the investment to get it before starting to learn. But, unless my company was willing to pay, I am hoping to keep costs low. Can anyone share some experience - is version 2 good enough to learn on, or should I bite the bullet and smooth my learning experience by going with version 3? Thanks!

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• Installed Service Pack 3 for SQL Server 2005 but it does not show up when selecting @@version

  - by Blegger

  We installed Service Pack 3 for SQL Server 2005 Standard Edition (64-bit). In the Add or Remove Programs menu we have the following entries under Microsoft SQL Server 2005 (64-bit): Service Pack 3 for SQL Server Integration Services 64-bit) ENU (KB955706) Service Pack 3 for SQL Server Notification Services 2005 (64-bit) ENU (KB955706) Service Pack 3 for SQL Server Database Services 2005 (64-bit) ENU (KB955706) Service Pack 3 for SQL Server Tools and Workstation Components 2005 (64-bit) ENU (KB955706) But when I run the following query on the server: select @@version I get this result: Microsoft SQL Server 2005 - 9.00.4035.00 (X64) Nov 24 2008 16:17:31 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition (64-bit) on Windows NT 5.2 (Build 3790: Service Pack 2) Why does it not display that it is running Service Pack 3?

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• Browser extensions to re-render the page using an updated version of my CSS file, without reloading the page itself

  - by Eduardo León

  I want to learn Web UI design. (I know, I know. Being a programmer puts me at a disadvantage. But I want to try anyway.) Thus, I would like to "debug" my CSS files. Once of the biggest annoyances I have found is that I cannot test a change in my CSS files without reloading the whole page. Sometimes, the page is too big. Sometimes, a lot of elements were brought to the page after lots of clicks, because my pages rely too heavily on AJAX. Sometimes, I just hate hitting Command+R all the time. Is there any extension for any of the major browsers (preferably Safari and/or Chrome) that re-renders the page using an updated version of the CSS file, without reloading the whole page itself?

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• compact XSLT code to drop N number of tags if all are null.

  - by infant programmer

  This is my input xml: <root> <node1/> <node2/> <node3/> <node4/> <othertags/> </root> The output must be: <root> <othertags/> </root> if any of the 4 nodes isn't null then none of the tags must be dropped. example: <root> <node1/> <node2/> <node3/> <node4>sample_text</node4> <othertags/> </root> Then the output must be same as input xml. <root> <node1/> <node2/> <node3/> <node4>sample_text</node4> <othertags/> </root> This is the XSL code I have designed :: <xsl:template match="@*|node()"> <xsl:copy> <xsl:apply-templates select="@*|node()"/> </xsl:copy> </xsl:template> <xsl:template match="/root/node1[.='' and ../node2/.='' and ../node3/.='' and ../node4/.=''] |/root/node2[.='' and ../node1/.='' and ../node3/.='' and ../node4/.=''] |/root/node3[.='' and ../node1/.='' and ../node2/.='' and ../node4/.=''] |/root/node4[.='' and ../node1/.='' and ../node2/.='' and ../node3/.='']"/> As you can see the code requires more effort and becomes more bulky as the number of nodes increase. Is there any alternative way to overcome this bottleneck?

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• Create a variable which is named depending on an ID number?

  - by gray

  Is there any way to create a variable, and add an ID to the end of the actual variable name? I have a variable called 'gauge', used to create a new Gauge object: var gauge = new Gauge(target).setOptions(opts); I want to add an ID to the variable, so something like: var gauge+id = new Gauge(target).setOptions(opts); It's because I'm creating a number of these objects, and have a specific ID already for each one, which I want to attach to the gauge object if possible? All my code for this function is below, if it gives you a better idea of what i need to do: function go(id, votes) { var val = $('#votes_'+id).text(); var target = document.getElementById('foo_'+id); // your canvas element var gauge = new Gauge(target).setOptions(opts); // create sexy gauge! gauge.maxValue = 100; // set max gauge value gauge.animationSpeed = 20; // set animation speed (32 is default value) var a=votes+0.5; gauge.set(val); // set actual value } My main problem arises on the last line. It says gauge.set(val), and it only sets the last object, ignoring all the other ones...

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• Can I use RVM to maintain a single version of Ruby for all users?

  - by Trevor Burnham

  I love RVM. I realize that the main use case for it is letting different users switch between different versions of Ruby. But let's say I'm deploying a Rails app to a server and I just want a single version of Ruby running. In particular, I want 1.9.2, which is a breeze to install with RVM but a pain without it. Is there a way that I can say "I want this to be the canonical Ruby installation for all users" (along with all of its gems) without having to create a bunch of symlinks by hand and change them every time I update to a newer Ruby release?

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• 505 (HTTP version not supported) sent to client when ASP.NET application attempts to access WCF service

  - by Aaron J Spetner

  We have created a DLL to facilitate access of a 3rd-party WCF Service. This DLL works fine in a Windows Application on our test machines, but when we try to use it in an ASP.NET application on our web server, our web server returns a 505 HTTP version not supported error to the client. To clarify, the setup is Client-Server-WCF Service. Using Fiddler, I can tell that our server is not making requests to the WCF Service. The calls are wrapped in a try/catch block, but no Exception occurs. Instead, as soon as the call to the service is attempted, our server returns a 505 error to the client and terminates execution. We are using clientCertificate authentication over HTTPS with serviceCertificate certificateValidationMode set to "None". Thanks

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• What is the easiest straightforward way of telling which version performs better?

  - by Peter Perhác

  I have an application, which I have re-factored so that I believe it is now faster. One can't possibly feel the difference, but in theory, the application should run faster. Normally I would not care, but as this is part of my project for my master's degree, I would like to support my claim that the re-factoring did not only lead to improved design and 'higher quality', but also an increase in performance of the application (a small toy-thing - a train set simulation). I have toyed with the latest VisualVM thing today for about four hours but I couldn't get anything helpful out of it. There isn't (or I haven't found it) a way to simply compare the profiling results taken from the two versions (pre- and post- refactoring). What would be the easiest, the most straightforward way of simply telling the slower from the faster version of the application. The difference of the two must have had an impact on the performance. Thank you.

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• How to check a Web Service for an updated version of a locally stored XML file on the iPhone/iPod To

  - by Toret

  Hello, I'm currently working on an application that needs to check a web service for an updated version of a locally stored XML file. If there is an update the file must then be downloaded and saved to the iPhone. I'm not really sure what direction I need to head in. Currently I know that I can use NSURLConnection delegate methods to establish a connection and receive a response but I'm not sure how to implement this with the web service to grab the file and replace the current one that is stored on the iPhone. Any help would be greatly appreciated.

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• How do I find the millionth number in the series: 2 3 4 6 9 13 19 28 42 63 ... ?

  - by HH

  It takes about minute to achieve 3000 in my comp but I need to know the millionth number in the series. The definition is recursive so I cannot see any shortcuts except to calculate everything before the millionth number. How can you fast calculate millionth number in the series? Series Def n_{i+1} = \floor{ 3/2 * n_{i} } and n_{0}=2. Interestingly, only one site list the series according to Google: this one. Too slow Bash code #!/bin/bash function series { n=$( echo "3/2*$n" | bc -l | tr '\n' ' ' | sed -e 's@\\@@g' -e 's@ @@g' ); # bc gives \ at very large numbers, sed-tr for it n=$( echo $n/1 | bc ) #DUMMY FLOOR func } n=2 nth=1 while [ true ]; #$nth -lt 500 ]; do series $n # n gets new value in the function through global value echo $nth $n nth=$( echo $nth + 1 | bc ) #n++ done

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• How can I make a recursive version of my iterative method?

  - by user247679

  Greetings. I am trying to write a recursive function in Java that prints the numbers one through n. (n being the parameter that you send the function.) An iterative solution is pretty straightforward: public static void printNumbers(int n){ for(int i = 1; i <= n; i++){ System.out.println(i); i++; } As a novice programmer, I'm having troubles figuring out how a recursive version of this method would work. Any bright ideas? Thanks for reading my problem!

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• Parallelize or vectorize all-against-all operation on a large number of matrices?

  - by reve_etrange

  I have approximately 5,000 matrices with the same number of rows and varying numbers of columns (20 x ~200). Each of these matrices must be compared against every other in a dynamic programming algorithm. In this question, I asked how to perform the comparison quickly and was given an excellent answer involving a 2D convolution. Serially, iteratively applying that method, like so list = who('data_matrix_prefix*') H = cell(numel(list),numel(list)); for i=1:numel(list) for j=1:numel(list) if i ~= j eval([ 'H{i,j} = compare(' char(list(i)) ',' char(list(j)) ');']); end end end is fast for small subsets of the data (e.g. for 9 matrices, 9*9 - 9 = 72 calls are made in ~1 s). However, operating on all the data requires almost 25 million calls. I have also tried using deal() to make a cell array composed entirely of the next element in data, so I could use cellfun() in a single loop: # who(), load() and struct2cell() calls place k data matrices in a 1D cell array called data. nextData = cell(k,1); for i=1:k [nextData{:}] = deal(data{i}); H{:,i} = cellfun(@compare,data,nextData,'UniformOutput',false); end Unfortunately, this is not really any faster, because all the time is in compare(). Both of these code examples seem ill-suited for parallelization. I'm having trouble figuring out how to make my variables sliced. compare() is totally vectorized; it uses matrix multiplication and conv2() exclusively (I am under the impression that all of these operations, including the cellfun(), should be multithreaded in MATLAB?). Does anyone see a (explicitly) parallelized solution or better vectorization of the problem?

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• How can I determine the "correct" number of steps in a questionnaire where branching is used?

  - by Mike Kingscott

  I have a potential maths / formula / algorithm question which I would like help on. I've written a questionnaire application in ASP.Net that takes people through a series of pages. I've introduced conditional processing, or branching, so that some pages can be skipped dependent on an answer, e.g. if you're over a certain age, you will skip the page that has Teen Music Choice and go straight to the Golden Oldies page. I wish to display how far along the questionnaire someone is (as a percentage). Let's say I have 10 pages to go through and my first answer takes me straight to page 9. Technically, I'm now 90% of the way through the questionnaire, but the user can think of themselves as being on page 2 of 3: the start page (with the branching question), page 9, then the end page (page 10). How can I show that I'm on 66% and not 90% when I'm on page 9 of 10? For further information, each Page can have a number of questions on that can have one or more conditions on them that will send the user to another page. By default, the next page will be the next one in the collection, but that can be over-ridden (e.g. entire sets of pages can be skipped). Any thoughts? :-s

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