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• What software development process do you use and how do you implement it?

  - by clyfe

  Post only what you do use not what you would like to use, so we can see what is the most popular in real life. I am interested only in theese issues: Project Model (waterfall, agile...) How are requirements gathered (and stored)? Revision control - what software, what workflow Build automation, what software, where does it fit ? How is the testing done ? How is the documentation done ? How is the quality assurance done ? Please provide short objective answers, don't speak from the books. EXAMPLE: In my company we are a small team of 5 people and we develop webapps using ruby. agile PM cucumber requirements git SCM - Integration Manager Workflow integrity CI rspec automated tests the project lead creats the documentation skeleton then it is filled by the developers ensure quality by peer reviewing code and manual peer-testing

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• which is the best for build a Gantt-chart like application Flex or Flash Action Script?

  - by coderex

  Which is the best for build an application show like in image. For the better graphics and performance wise. I want to know Flash for Flex is more suitable for this. In Flash ca we be able to build a grid kind of applications easily? I headed that Flex have the functions to handle grid and other things. Drag & scroll Zoom like feature. but am not sure able the graphics of flex. Is the components are customizable.. Please help me.

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• Java 1.5.0_16 corrupted colours when saving jpg image

  - by Coder

  Hi, i have a loaded image from disk (stored as a BufferedImage), which i display correctly on a JPanel but when i try to re-save this image using the command below, the image is saved in a reddish hue. ImageIO.write(image, "jpg", fileName); Note! image is a BufferedImage and fileName is a File object pointing to the filename that will be saved which end in ".jpg". I have read that there were problems with ImageIO methods in earlier JDKs but i'm not on one of those versions as far as i could find. What i am looking for is a way to fix this issue without updating the JDK, however having said that i would still like to know in what JDK this issue was fixed in (if it indeed is still a bug with the JDK i'm using). Thanks.

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• Calculating usage of localStorage space

  - by WmasterJ

  I am creating an app using the Bespin editor and HTML5's localStorage. It stores all files locally and helps with grammar, uses JSLint and some other parsers for CSS and HTML to aid the user. I want to calculate how much of the localStorage limit has been used and how much there actually is. Is this possible today? I was thinking for not to simply calculate the bits that are stored. But then again I'm not sure what more is there that I can't measure myself.

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• Generating unobtrusive JS

  - by nico

  I have read quite a bit about unobtrusive JS and how to generate it and all that jazz... My problem is this: I have a website that heavily relies on mod_rewrite, so essentially all the pages requests are sent to index.php that generates the main structure of the page and then includes the appropriate page. Now, there are different sections in the site and each section uses different Javascript functions (e.g. for different AJAX requests). Now, if I just were to attach a function to the onload of the page obviously the thing would not work, as I do not have to initialise the same things for each page... so what is the best way to handle this situation? I hope the situation is clear, I'll be happy to clarify if needed

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• SQL Split function.

  - by Wardy

  Hi guys, I'm looking for a way to do this ... SELECT FirstName, LastName, Split(AddressBlock, ' ', 1), Split(AddressBlock, ' ', 2), PostCode FROM Contacts The arguments I want to pass are ... The address The separator (current situation requires 2 spaces but this might be a comma or a space followed by a comma) or something else (it varies). The address part I want to return (i don't always need all parts of the split result). I seem to be able to find a few examples of splitting functions about the internet but they return a table containing the entire set of split parts. My SQL skills aren't that great so I need the answer to be ultra simple. I'm always working with nvarchar data and the function needs to be reusable.

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• How do you use kate? Tips/Tricks/Workflow

  - by Roman A. Taycher

  We all seen a bunch of these? Mostly for IDE's but also for vim and emacs. Kate is (only) a text editor (an awesome one) but it has a ton of options plus a number of plugins, so its hard to know all of it well. How do use the Kate text editor? Please share your workflow and help me and others learn some of the cool tricks you use. I'll start I use the built in terminal a lot opening files quickly, and using it as an enhanced haskell repl with ghci (since ghci doesn't allow you all to just put in all kinds of haskell code). Also use split views to quickly compare files (especially different versions of the same file). Also the auto-complete maybe simple(more use for saving typing time then remembering functions) but it works really well for that. Also if You highlight something and hit a start [/{/( it puts it in between brackets rather then replacing it with a bracket(why the hell do a lot of IDEs not have this feature).

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• How does one bind to a List<DataRow> collection in WPF XAML?

  - by Elan

  Using a DataTable or DataView, one can specify the binding in XAML for example as follows: <Image Source="{Binding Thumbnail}" /> In my case I have created a List collection of DataRow objects and the above is not working. This is my data source: List<DataRow> I could of course convert the List< to a DataTable, but I am curious if there was a way to specify the binding in XAML to access the "Thumbnail" column within the DataRow that is stored in a List< collection. Elan

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• C#: Access 32-bit/64-bit DLL depending on platform

  - by Thorsten Dittmar

  Hi, we use a self-written 32bit C++ DLL from our C# applications. Now we've noticed that when the C# applications are run on a 64bit system, the 64bit runtime is automatically used and of course the 32bit DLL can not be accessed from the 64bit runtime. My question is: is there a way of using the 32bit DLL? If not, if I created a 64bit version of the DLL, would it be easily possible to let the application choose which one to P/Invoke to? I'm thinking of creating two helper classes in C#: One that imports the functions from the 32bit DLL and one that imports from the 64bit DLL, then creating a wrapper class with one function for each imported function that calls either the 32bit importer or the 64bit importer depending on the "bittyness" of the OS. Would that work? Or is there another easy way to do things?

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• Clipping the caret in a C# program

  - by Bob Sammers

  I'm creating a WinForms control in C# (using VS2008, .net 3.5) which allows text input. I've imported the necessary Win32 API functions from User32.dll for displaying the normal Windows caret and these are all working fine, but it's not displaying exactly how I'd like it. Text is displayed on the control with a blank border and I use Graphics.SetClip() to leave this margin clear. I want the caret to be clipped to the same region, but since I don't paint it and there's no obvious API function to set a clipping region, I can't see any way of doing this. Have I missed anything obvious? The caret is clipped inside the control in which it is drawn. I'm therefore aware that one solution could be to place the text in a separate sub-control with no border. However, if there's a simpler way than redesigning this part of the control, I'd like to look for that first. Thanks in advance for any help!

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• Best tool to check and ensure PDF/A compatibility under Linux

  - by Sven Lilienthal

  I am working on an online portal, where researchers can upload their research papers. One requirement is, that all PDFs are stored in PDF/A-format. As I can't rely on the users to generate PDF/A conforming documents, I need a tool to check and convert standard PDFs into PDF/A format. What is the best tool you know of? Price Quality Speed Available APIs Open-source tools would be prefered, but a search revealed none. iText can create PDF/a, but converting isn't easy to do, as you have to read every page and copy it to a new document, losing all bookmarks and annotations in this process. (At least as far as I know, if you know of an easy solution, let me know). APIs should be available for either PHP, Java or a command-line-tool should be provided. Please do not list either GUI-only or Online-only solutions.

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• The Tab1.java from API Demo has exception.

  - by Kooper

  I don't know why.All my Tab programs have exception.Even from API Demo. Here is the code: package com.example.android.apis.view; import android.app.TabActivity; import android.os.Bundle; import android.widget.TabHost; import android.widget.TabHost.TabSpec; import android.view.LayoutInflater; import android.view.View; public class Tab1 extends TabActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); TabHost tabHost = getTabHost(); LayoutInflater.from(this).inflate(R.layout.main,tabHost.getTabContentView(), true); tabHost.addTab(tabHost.newTabSpec("tab1") .setIndicator("tab1") .setContent(R.id.view1)); tabHost.addTab(tabHost.newTabSpec("tab2") .setIndicator("tab2") .setContent(R.id.view2)); tabHost.addTab(tabHost.newTabSpec("tab3") .setIndicator("tab3") .setContent(R.id.view3)); } } Here is the log: 06-13 17:24:38.336: WARN/jdwp(262): Debugger is telling the VM to exit with code=1 06-13 17:24:38.336: INFO/dalvikvm(262): GC lifetime allocation: 2511 bytes 06-13 17:24:38.416: DEBUG/Zygote(30): Process 262 exited cleanly (1) 06-13 17:24:38.456: INFO/ActivityManager(54): Process com.example.android.apis.view (pid 262) has died. 06-13 17:24:38.696: INFO/UsageStats(54): Unexpected resume of com.android.launcher while already resumed in com.example.android.apis.view 06-13 17:24:38.736: WARN/InputManagerService(54): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@44dc4b38 06-13 17:24:48.337: DEBUG/AndroidRuntime(269): AndroidRuntime START <<<<<<<<<<<<<< 06-13 17:24:48.346: DEBUG/AndroidRuntime(269): CheckJNI is ON 06-13 17:24:48.856: DEBUG/AndroidRuntime(269): --- registering native functions --- 06-13 17:24:49.596: DEBUG/ddm-heap(269): Got feature list request 06-13 17:24:50.576: DEBUG/AndroidRuntime(269): Shutting down VM 06-13 17:24:50.576: DEBUG/dalvikvm(269): DestroyJavaVM waiting for non-daemon threads to exit 06-13 17:24:50.576: DEBUG/dalvikvm(269): DestroyJavaVM shutting VM down 06-13 17:24:50.576: DEBUG/dalvikvm(269): HeapWorker thread shutting down 06-13 17:24:50.586: DEBUG/dalvikvm(269): HeapWorker thread has shut down 06-13 17:24:50.586: DEBUG/jdwp(269): JDWP shutting down net... 06-13 17:24:50.586: INFO/dalvikvm(269): Debugger has detached; object registry had 1 entries 06-13 17:24:50.596: ERROR/AndroidRuntime(269): ERROR: thread attach failed 06-13 17:24:50.606: DEBUG/dalvikvm(269): VM cleaning up 06-13 17:24:50.676: DEBUG/dalvikvm(269): LinearAlloc 0x0 used 628628 of 5242880 (11%) 06-13 17:24:51.476: DEBUG/AndroidRuntime(278): AndroidRuntime START <<<<<<<<<<<<<< 06-13 17:24:51.486: DEBUG/AndroidRuntime(278): CheckJNI is ON 06-13 17:24:51.986: DEBUG/AndroidRuntime(278): --- registering native functions --- 06-13 17:24:52.746: DEBUG/ddm-heap(278): Got feature list request 06-13 17:24:53.716: DEBUG/ActivityManager(54): Uninstalling process com.example.android.apis.view 06-13 17:24:53.726: INFO/ActivityManager(54): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.example.android.apis.view/.Tab1 } 06-13 17:24:53.876: DEBUG/AndroidRuntime(278): Shutting down VM 06-13 17:24:53.886: DEBUG/dalvikvm(278): DestroyJavaVM waiting for non-daemon threads to exit 06-13 17:24:53.916: DEBUG/dalvikvm(278): DestroyJavaVM shutting VM down 06-13 17:24:53.926: DEBUG/dalvikvm(278): HeapWorker thread shutting down 06-13 17:24:53.936: DEBUG/dalvikvm(278): HeapWorker thread has shut down 06-13 17:24:53.936: DEBUG/jdwp(278): JDWP shutting down net... 06-13 17:24:53.936: INFO/dalvikvm(278): Debugger has detached; object registry had 1 entries 06-13 17:24:53.957: DEBUG/dalvikvm(278): VM cleaning up 06-13 17:24:54.026: ERROR/AndroidRuntime(278): ERROR: thread attach failed 06-13 17:24:54.146: DEBUG/dalvikvm(278): LinearAlloc 0x0 used 638596 of 5242880 (12%) 06-13 17:24:54.286: INFO/ActivityManager(54): Start proc com.example.android.apis.view for activity com.example.android.apis.view/.Tab1: pid=285 uid=10054 gids={1015} 06-13 17:24:54.676: DEBUG/ddm-heap(285): Got feature list request 06-13 17:24:55.006: WARN/ActivityThread(285): Application com.example.android.apis.view is waiting for the debugger on port 8100... 06-13 17:24:55.126: INFO/System.out(285): Sending WAIT chunk 06-13 17:24:55.186: INFO/dalvikvm(285): Debugger is active 06-13 17:24:55.378: INFO/System.out(285): Debugger has connected 06-13 17:24:55.386: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:55.586: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:55.796: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:55.996: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:56.196: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:56.406: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:56.606: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:56.806: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:57.016: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:57.216: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:57.416: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:57.626: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:57.836: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:58.039: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:58.246: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:58.451: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:58.656: INFO/System.out(285): waiting for debugger to settle... 06-13 17:24:58.866: INFO/System.out(285): debugger has settled (1367) 06-13 17:24:59.126: ERROR/gralloc(54): [unregister] handle 0x129980 still locked (state=40000001) 06-13 17:25:03.816: WARN/ActivityManager(54): Launch timeout has expired, giving up wake lock! 06-13 17:25:04.906: WARN/ActivityManager(54): Activity idle timeout for HistoryRecord{44d60e10 com.example.android.apis.view/.Tab1}

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• How to read a password encrypted key with java?

  - by Denis

  Hi, This is very simple question. I have private key stored in file in PKCS8 DER format and protected by password. What is the easiest way to read it? Here is the code I use to load unencrypted one: InputStream in = new FileInputStream(privateKeyFilename); byte[] privateKeydata = new byte[in.available()]; in.read(privateKeydata); in.close(); KeyFactory privateKeyFactory = KeyFactory.getInstance("RSA"); PKCS8EncodedKeySpec encodedKeySpec = new PKCS8EncodedKeySpec(privateKeydata); PrivateKey privateKey = privateKeyFactory.generatePrivate(encodedKeySpec); Please, Help!!!

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• Show duplicates in Mathematica

  - by Martin Janiczek

  In Mathematica I have a list: x = {1,2,3,3,4,5,5,6} How will I make a list with the duplicates? Like: {3,5} I have been looking at Lists as Sets, if there is something like Except[] for lists, so I could do: unique = Union[x] duplicates = MyExcept[x,unique] (Of course, if the x would have more than two duplicates - say, {1,2,2,2,3,4,4}, there the output would be {2,2,4}, but additional Union[] would solve this.) But there wasn't anything like that (if I did understand all the functions there well). So, how to do that?

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• What tools are people using to measure SQL Server database performance?

  - by Paul McLoughlin

  I've experimented with a number of techniques for monitoring the health of our SQL Servers, ranging from using the Management Data Warehouse functionality built into SQL Server 2008, through other commercial products such as Confio Ignite 8 and also of course rolling my own solution using perfmon, performance counters and collecting of various information from the dynamic management views and functions. What I am finding is that whilst each of these approaches has its own associated strengths, they all have associated weaknesses too. I feel that to actually get people within the organisation to take the monitoring of SQL Server performance seriously whatever solution we roll out has to be very simple and quick to use, must provide some form of a dashboard, and the act of monitoring must have minimal impact on the production databases (and perhaps even more importantly, it must be possible to prove that this is the case). So I'm interested to hear what others are using for this task? Any recommendations?

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• Auto deployment of PHP applications

  - by Christopher McCann

  My team currently has a development web/database server and a live deployment web server and a live database server. We use SVN with the repository stored on the development server but the problem is our deployment process. Currently when we need to deploy an update to the live application we simply use SFTP to transfer from the repository to the live web server and then amend the database on the live server to reflect the development database. This is a really slow process as we also minify all javascript and CSS files. I have used Capistrano for Ruby and Cruise Control for java but I have never used anything for PHP. I'd rather not have to build our own if something already existed. Does anyone know of anything?

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• Correct sequence of actions when using Markdown & MySQL?

  - by Andrew Heath

  I want my users to be able to write an article in Markdown, have it stored in the MySQL database (with the option to edit it in the future), and displayed for other users. In practice, this is my understanding of how it works: INPUT user input via HTML form using Markdown syntax $queryInput = mysql_real_escape_string($userInput); insert sanitized string into database OUTPUT query field from database $output = Markdown($queryResult); display $output Is that it? Does PHP Markdown preclude the need for htmlspecialchars or Pure HTML ? Thanks!

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• MIDlet + BlackBerry API = verification error?

  - by Kilnr

  Hi, Is there any way to write a MIDlet, but still use BlackBerry API classes and functions (including the APIs that require code signing)? In particular, I'm trying to use Kuix (http://www.kalmeo.org/projects/kuix). A pure MIDlet + Kuix (so without BlackBerry stuff) works perfectly after I converted the jar/jad to a cod file. As soon as I add BlackBerry API-stuff (CoverageInfo.COVERAGE_DIRECT in this case) I get a verification error when trying to run the cod file: Error starting $name: Module $name has verification error 2410 at offset 9a4f What can I do to solve this?

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• Routing and URI parsing in Codeigniter

  - by bobo

  I have a route defined in CI, $route['user/activate-account/:any'] = "user/activate_account"; People access the route in this url pattern, http://mydomain.com/user/activate-account/user_id/12345/token/abcdefghijk Inside the activate_account function, I tried to use the following codes to retrieve the required data, $user_id=$this->input->get('user_id'); $token=$this->input->get('token'); But they return FALSE, does this mean that for this kind of url pattern, I am supposed to use the functions provided by the URI class (http://codeigniter.com/user_guide/libraries/uri.html) to retrieve the variables?

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• Read only particular fields from CSV File in vb.net

  - by fireBand

  Hi, I have this code to read a CVS file. It reads each line, devides each line by delimiter ',' and stored the field values in array 'strline()' . How do I extract only required fields from the CSV file? For example if I have a CSV File like Type,Group,No,Sequence No,Row No,Date (newline) 0,Admin,3,345678,1,26052010 (newline) 1,Staff,5,78654,3,26052010 I Need only the value of columns Group,Sequence No and date. Thanks in advance for any ideas. Dim myStream As StreamReader = Nothing ' Hold the Parsed Data Dim strlines() As String Dim strline() As String Try myStream = File.OpenText(OpenFile.FileName) If (myStream IsNot Nothing) Then ' Hold the amount of lines already read in a 'counter-variable' Dim placeholder As Integer = 0 strlines = myStream.ReadToEnd().Split(Environment.NewLine) Do While strlines.Length <> -1 ' Is -1 when no data exists on the next line of the CSV file strline = strlines(placeholder).Split(",") placeholder += 1 Loop End If Catch ex As Exception LogErrorException(ex) Finally If (myStream IsNot Nothing) Then myStream.Close() End If End Try

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• How Do I Convert text to a WAV file With Inaudible Waveform?

  - by Scott

  I am trying to create an audio watermarking system. I figure the best solution is to create an audio file (WAV) based on a unique string of text and then combine this with the original wav. The part that makes this tricky (for me anyway) is: How do I convert the text string to a wav? How do I ensure that the resulting WAV form is inaudible (or at least barely noticeable to the listener). I would prefer this be done server side (via PHP, etc) but if the processing load isn't too much then would be ok with something in Flash or Javascript. I'd be willing to pay someone to create me a workable solution (complete source code that functions as described). Thanks, Scott!

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• XmlSerializer Performance Issue when Specifying XmlRootAttribute

  - by Dougc

  I'm currently having a really weird issue and I can't seem to figure out how to resolve it. I've got a fairly complex type which I'm trying to serialize using the XmlSerializer class. This actually functions fine and the type serializes properly, but seems to take a very long time in doing so; around 5 seconds depending on the data in the object. After a bit of profiling I've narrowed the issue down - bizarrely - to specifying an XmlRootAttribute when calling XmlSerializer.Serialize. I do this to change the name of a collection being serialized from ArrayOf to something a bit more meaningful. Once I remove the parameter the operation is almost instant! Any thoughts or suggestions would be excellent as I'm entirely stumped on this one!

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• Aging Data Structure in C#

  - by thelsdj

  I want a data structure that will allow querying how many items in last X minutes. An item may just be a simple identifier or a more complex data structure, preferably the timestamp of the item will be in the item, rather than stored outside (as a hash or similar, wouldn't want to have problems with multiple items having same timestamp). So far it seems that with LINQ I could easily filter items with timestamp greater than a given time and aggregate a count. Though I'm hesitant to try to work .NET 3.5 specific stuff into my production environment yet. Are there any other suggestions for a similar data structure? The other part that I'm interested in is aging old data out, If I'm only going to be asking for counts of items less than 6 hours ago I would like anything older than that to be removed from my data structure because this may be a long-running program.

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• Accessing structure through pointers [c]

  - by Blackbinary

  I've got a structure which holds names and ages. I've made a linked-list of these structures, using this as a pointer: aNode *rootA; in my main. Now i send **rootA to a function like so addElement(5,"Drew",**rootA); Because i need to pass rootA by reference so that I can edit it in other functions (in my actual program i have two roots, so return will not work) The problem is, in my program, i can't say access the structure members. *rootA->age = 4; for example doesnt work. Hopefully you guys can help me out. Thanks!

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• Iterating Oracle collections of objects with out exploding them

  - by Scott Bailey

  I'm using Oracle object data types to represent a timespan or period. And I've got to do a bunch of operations that involve working with collections of periods. Iterating over collections in SQL is significantly faster than in PL/SQL. CREATE TYPE PERIOD AS OBJECT ( beginning DATE, ending DATE, ... some member functions...); CREATE TYPE PERIOD_TABLE AS TABLE OF PERIOD; -- sample usage SELECT <<period object>>.contains(period2) FROM TABLE(period_table1) t The problem is that the TABLE() function explodes the objects into scalar values, and I really need the objects instead. I could use the scalar values to recreate the objects but this would incur the overhead of re-instantiating the objects. And the period is designed to be subclassed so there would be additional difficulty trying to figure out what to initialize it as. Is there another way to do this that doesn't destroy my objects?

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