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  • Matching first set of elements with xpath...

    - by Ugo Enyioha
    I have an xml document that looks like this. <foo> <bar type="artist"/> Bob Marley </bar> <bar type="artist"/> Peter Tosh </bar> <bar type="artist"/> Marlon Wayans </bar> </foo> <foo> <bar type="artist"/> Bob Marley </bar> <bar type="artist"/> Peter Tosh </bar> <bar type="artist"/> Marlon Wayans </bar> </foo> <foo> <bar type="artist"/> Bob Marley </bar> <bar type="artist"/> Peter Tosh </bar> <bar type="artist"/> Marlon Wayans </bar> </foo> I would like to construct an xpath that returns only the first set: <bar type="artist"/> Bob Marley </a> <bar type="artist"/> Peter Tosh </a> <bar type="artist"/> Marlon Wayans </a> How would one go about this? I have tried //bar[@type='artist'] but it's obvious there's more to this. Thanks in advance.

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  • Can Sql Server 2005 Pivot table have nText passed into it?

    - by manemawanna
    Right bit of a simple question can I input nText into a pivot table? (SQL Server 2005) What I have is a table which records the answers to a questionnaire consisting of the following elements for example: UserID QuestionNumber Answer Mic 1 Yes Mic 2 No Mic 3 Yes Ste 1 Yes Ste 2 No Ste 3 Yes Bob 1 Yes Bob 2 No Bob 3 Yes With the answers being held in nText. Anyway what id like a Pivot table to do is: UserID 1 2 3 Mic Yes No Yes Ste Yes No Yes Bob Yes No Yes I have some test code, that creates a pivot table but at the moment it just shows the number of answers in each column (code can be found below). So I just want to know is it possible to add nText to a pivot table? As when I've tried it brings up errors and someone stated on another site that it wasn't possible, so I would like to check if this is the case or not. Just for further reference I don't have the opportunity to change the database as it's linked to other systems that I haven't created or have access too. Heres the SQL code I have at present below: DECLARE @query NVARCHAR(4000) DECLARE @count INT DECLARE @concatcolumns NVARCHAR(4000) SET @count = 1 SET @concatcolumns = '' WHILE (@count <=52) BEGIN IF @COUNT > 1 AND @COUNT <=52 SET @concatcolumns = (@concatcolumns + ' + ') SET @concatcolumns = (@concatcolumns + 'CAST ([' + CAST(@count AS NVARCHAR) + '] AS NVARCHAR)') SET @count = (@count+1) END DECLARE @columns NVARCHAR(4000) SET @count = 1 SET @columns = '' WHILE (@count <=52) BEGIN IF @COUNT > 1 AND @COUNT <=52 SET @columns = (@columns + ',') SET @columns = (@columns + '[' + CAST(@count AS NVARCHAR) + '] ') SET @count = (@count+1) END SET @query = ' SELECT UserID, ' + @concatcolumns + ' FROM( SELECT UserID, QuestionNumber AS qNum from QuestionnaireAnswers where QuestionnaireID = 7 ) AS t PIVOT ( COUNT (qNum) FOR qNum IN (' + @columns + ') ) AS PivotTable' select @query exec(@query)

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  • Aren't Information Expert / Tell Don't Ask at odds with Single Responsibility Principle?

    - by moffdub
    It is probably just me, which is why I'm asking the question. Information Expert, Tell Don't Ask, and SRP are often mentioned together as best practices. But I think they are at odds. Here is what I'm talking about: Code that favors SRP but violates Tell Don't Ask, Info Expert: Customer bob = ...; // TransferObjectFactory has to use Customer's accessors to do its work, // violates Tell Don't Ask CustomerDTO dto = TransferObjectFactory.createFrom(bob); Code that favors Tell Don't Ask / Info Expert but violates SRP: Customer bob = ...; // Now Customer is doing more than just representing the domain concept of Customer, // violates SRP CustomerDTO dto = bob.toDTO(); If they are indeed at odds, that's a vindication of my OCD. Otherwise, please fill me in on how these practices can co-exist peacefully. Thank you. Edit: someone wants a definition of the terms - Information Expert: objects that have the data needed for the operation should host the operation Tell Don't Ask: don't ask objects for data in order to do work; tell the objects to do the work Single Responsibility Principle: each object should have a narrowly defined responsibility

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  • JS Object this.method() breaks via jQuery

    - by Peter Boughton
    I'm sure there's a simple answer to this, but it's Friday afternoon and I'm tired. :( Not sure how to explain it, so I'll just go ahead and post example code... Here is a simple object: var Bob = { Stuff : '' , init : function() { this.Stuff = arguments[0] } , doSomething : function() { console.log( this.Stuff ); } } And here it is being used: $j = jQuery.noConflict(); $j(document).ready( init ); function init() { Bob.init('hello'); Bob.doSomething(); $j('#MyButton').click( Bob.doSomething ); } Everything works, except for the last line. When jQuery calls the doSomething method it is overriding 'this' and stopping it from working. Trying to use just Stuff doesn't work either. So how do I refer to an object's own properties in a way that allows jQuery to call it, and also allows the object to work with the calling jQuery object? i.e. I would like to be able to do things like this: doSomething : function() { console.log( <CurrentObject>.Stuff + $j(<CallerElement>).attr('id') ); } (Where <CurrentObject> and <CallerElement> are replaced with appropriate names.)

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  • How to write a custom solution using a python package, modules etc

    - by morpheous
    I am writing a packacge foobar which consists of the modules alice, bob, charles and david. From my understanding of Python packages and modules, this means I will create a folder foobar, with the following subdirectories and files (please correct if I am wrong) foobar/ __init__.py alice/alice.py bob/bob.py charles/charles.py david/david.py The package should be executable, so that in addition to making the modules alice, bob etc available as 'libraries', I should also be able to use foobar in a script like this: python foobar --args=someargs Question1: Can a package be made executable and used in a script like I described above? Question 2 The various modules will use code that I want to refactor into a common library. Does that mean creating a new sub directory 'foobar/common' and placing common.py in that folder? Question 3 How will the modules foo import the common module ? Is it 'from foobar import common' or can I not use this since these modules are part of the package? Question 4 I want to add logic for when the foobar package is being used in a script (assuming this can be done - I have only seen it done for modules) The code used is something like: if __name__ == "__main__": dosomething() where (in which file) would I put this logic ?

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  • OOP 101 - quick question.

    - by R Bennett
    I've used procedural for sometime now and trying to get a better understanding of OOP in Php. Starting at square 1 and I have a quick question ot get this to gel. Many of the basic examples show static values ( $bob-name = "Robert";) when assigning a value, but I want to pass values... say from a form ( $name = $_POST['name']; ) class Person { // define properties public $name; public $weight; public $age; public function title() { echo $this->name . " has submitted a request "; } } $bob = new Person; // want to plug the value in here $bob->name = $name; $bob->title(); I guess I'm getting a little hung up in some areas as far as accessing variables from within the class, encapsulation & "rules", etc., can $name = $_POST['name']; reside anywhere outside of the class or am I missing an important point? Thanks

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  • How to create a JAX-RS service where the sub-resource @Path doesn't have a leading slash

    - by Matt
    I've created a JAX-RS service (MyService) that has a number of sub resources, each of which is a subclass of MySubResource. The sub resource class being chosen is picked based on the parameters given in the MyService path, for example: @Path("/") @Provides({"text/html", "text/xml"}) public class MyResource { @Path("people/{id}") public MySubResource getPeople(@PathParam("id") String id) { return new MyPeopleSubResource(id); } @Path("places/{id}") public MySubResource getPlaces(@PathParam("id") String id) { return new MyPlacesSubResource(id); } } where MyPlacesSubResource and MyPeopleSubResource are both sub-classes of MySubResource. MySubResource is defined as: public abstract class MySubResource { protected abstract Results getResults(); @GET public Results get() { return getResults(); } @GET @Path("xml") public Response getXml() { return Response.ok(getResults(), MediaType.TEXT_XML_TYPE).build(); } @GET @Path("html") public Response getHtml() { return Response.ok(getResults(), MediaType.TEXT_HTML_TYPE).build(); } } Results is processed by corresponding MessageBodyWriters depending on the mimetype of the response. While this works it results in paths like /people/Bob/html or /people/Bob/xml where what I really want is /people/Bob.html or /people/Bob.xml Does anybody know how to accomplish what I want to do?

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  • PHP / Zend Framework: Force prepend table name to column name in result array?

    - by Brian Lacy
    I am using Zend_Db_Select currently to retrieve hierarchical data from several joined tables. I need to be able to convert this easily into an array. Short of using a switch statement and listing out all the columns individually in order to sort the data, my thought was that if I could get the table names auto-prepended to the keys in the result array, that would solve my problem. So considering the following (assembled) SQL: SELECT user.*, contact.* FROM user INNER JOIN contact ON contact.user_id = user.user_id I would normally get a result array like this: [username] => 'bob', [contact_id] => 5, [user_id] => 2, [firstname] => 'bob', [lastname] => 'larsen' But instead I want this: [user.user_id] => 2, [user.username] => 'bob', [contact.contact_id] => 5, [contact.firstname] => 'bob', [contact.lastname] => 'larsen' Does anyone have an idea how to achieve this? Thanks!

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  • Populate tableView with more than one array

    - by Ewoods
    The short version: Is there a way to populate one specific row in a tableView with one value from one array, then populate another row in that same tableView with one value from a different array? For example, cell 1 would have the first value from Array A, cell 2 would have the first value from Array B, cell 3 would have the first value from Array C, etc. The long version: I hope this isn't too confusing. I've got an array of names, and then three more arrays with actions associated with those people. For example, the names array has Jim, Bob, and Sue, and then there's an array for eating, reading, and sleeping that records every time each person does one of these things (all of these arrays are populated from a MySQL database). The names array is used to populate a root tableView. Tapping on one of the names brings up a detail view controller that has another tableView that only has three rows. This part is all working fine. What I want to happen is when I tap on a name, it moves to the detail view and the three cells would then show the last event for that person for each of the three activities. Tapping on one of those three events then moves to a new view controller with a tableView that shows every event for that category. For example, if I tapped on Bob, the second page would show the last time Bob ate, read, and slept. Tapping on the first row would bring up a table that showed every time Bob has eaten. So far I've only been able to populate the second tableView with all of the rows from one of the arrays. I need it the other way around (one row from all of the arrays).

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  • Mac Security - Which one?

    - by Bob Rivers
    Hi, Recently I had my credit card cloned. A few hours after shopping at an online store (in which I trust and buy since 2006) I received a call from my bank asking if I recognize a $5,000 debt to a store(?!) called Church of Christ... I'm a Mac user (OS X 10.6.3). I always kept my system updated and I have firewall enabled (in my Mac and in my broadband router), but I decided to adopt some kind of protection. I don't want to rise passionate discussions. Real or not, snake oil or not, I need to have back my peace of mind... I read this and this posts. I selected two software that I think that could help me (both have more features other than just an antivirus). Does someone have feedback about Intego's VirusBarrier X6 or Trendmicro's Smart Surfing? Intego solutions seems to be better, but TrendMicro brand/name is stronger in corporate environment, so their solution should be good. Both solutions have 30 day free trial, but I would like to hear something from you. Any other solution that I should look? TIA, Bob

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  • SQL 2K5 - Multiple databases vs. Multiple files

    - by Bob Palmer
    Hey all, quick question. Our current legacy system was built using multiple distinct databases (about ten of them). These are all part of the same discreet system, and a large number of SPs and functionalty span multiple databases. There are also key relationships that span (for example, a header table may be in database A with history, etc. in database B). When deploying multiple copies of our app to the same server therefore, we have to use multiple instances (because the database names are coded into so many sprocs). We're evaluating the idea of taking these ten databases (about 30gb total with individual sizes ranging from 100mb to 10gb) and merging them into a single database. Currently, we have our databases spread accross multiple spindles for better IO. The question I have is whether or not there is any performance loss or benefit of having 10 different databases vs. 10 different database files? i.e. rather than having three databases (A, B, and C) Disk D: A.mdf (1gb) Disk E: B.mdf (4gb) Disk F: C.mdf (10gb) Disk G: A_Log.ldf, B_Log.ldf, C_Log.ldf have one database (X) Disk D: X1.mdf (5gb) Disk E: X2.mdf (5gb) Disk F: X3.mdf (5gb) Disk G: X1_log.ldf,X2_log.ldf,X3_log.ldf Thanks! -Bob

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  • Extend hasMap to add putChildren method

    - by denny
    Hi all, i have question, i want to develop a programme about extend the hashmap to add putchildren method.. I wrote main class, but now i wanna write putChildrenValue method.. My question is : i need to implement a putChildrenValue method with 3 parameters, String key, String key, ObjectValue. It will store the system as described above accordingly. When i finished this method When you finish the method data Key1 = "RUBY" value=HashMap which has -> "key2" = 5248 && "VALUE" = German Key1 = "PHYTON" value=HashMap which has -> "key2" = 1234 && -> "VALUE" = German My main class is : public static void main(String [] args) { ExtendedHashMap extendedMap = new ExtendedHashMap(); extendedMap.put (“Row1”, “Column1”, “German”); extendedMap.put (“Row1”, “Column2”, “English”); extendedMap.put (“Row1”, “Column3”, “Spanish”); extendedMap.put (“Row2”, “Column1”, “Ruby”); extendedMap.put (“Row2”, “Column2”, “Phyton”); extendedMap.put (“Row3”, “Column3”, “Java”); } Can anyone help me?

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  • Extend HashMap to add putChildren method

    - by denny
    Hi all, i have question, i want to develop a programme about extend the hashmap to add putchildren method.. I wrote main class, but now i wanna write putChildrenValue method.. My question is : i need to implement a putChildrenValue method with 3 parameters, String key, String key, ObjectValue. It will store the system as described above accordingly. When i finished this method When you finish the method data Key1 = "RUBY" value=HashMap which has -> "key2" = 5248 && "VALUE" = German Key1 = "PHYTON" value=HashMap which has -> "key2" = 1234 && -> "VALUE" = German My main class is : public static void main(String [] args) { ExtendedHashMap extendedMap = new ExtendedHashMap(); extendedMap.put (“Row1”, “Column1”, “German”); extendedMap.put (“Row1”, “Column2”, “English”); extendedMap.put (“Row1”, “Column3”, “Spanish”); extendedMap.put (“Row2”, “Column1”, “Ruby”); extendedMap.put (“Row2”, “Column2”, “Phyton”); extendedMap.put (“Row3”, “Column3”, “Java”); } Can anyone help me?

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  • Getting started with OpenGL

    - by Bryan Denny
    As you can see here I'm about to start work on a 3d project for class. Do you have any useful resources/websites/tips/etc. on someone getting started with OpenGL for the first time? The project will be in C++ and accessing OpenGL via GLUT. Thanks!

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  • How to produce precisely-timed tone and silence in C#

    - by Bob Denny
    I have a C# project that plays Morse code for RSS feeds. I write it using Managed DirectX, only to discover that Managed DirectX is old and deprecated. The task I have is to play pure sine wave bursts interspersed with silence periods (the code) which are precisely timed as to their duration. I need to be able to call a function which plays a pure tone for so many milliseconds, then Thread.Sleep() then play another, etc. At its fastest, the tones and spaces can be as short as 40ms. It's working quite well in Managed DirectX. To get the precisely timed tone I create 1 sec. of sine wave into a secondary buffer, then to play a tone of a certain duration I seek forward to within x milliseconds of the end of the buffer then play. I've tried System.Media.SoundPlayer. It's a loser because you have to Play(), Sleep(), then Stop() for arbitrary tone lengths. The result is a tone that is too long, variable by CPU load. It takes an indeterminate amount of time to actually stop the tone. I then embarked on a lengthy attempt to use NAudio 1.3. I ended up with a memory resident stream providing the tone data, and again seeking forward leaving the desired length of tone remaining in the stream, then playing. This worked OK on the DirectSoundOut class for a while (see below) but the WaveOut class quickly dies with an internal assert saying that buffers are still on the queue despite PlayerStopped = true. This is odd since I play to the end then put a wait of the same duration between the end of the tone and the start of the next. You'd think that 80ms after starting Play of a 40 ms tone that it wouldn't have buffers on the queue. DirectSoundOut works well for a while, but its problem is that for every tone burst Play() it spins off a separate thread. Eventually (5 min or so) it just stops working. You can see thread after thread after thread exiting in the Output window while running the project in VS2008 IDE. I don't create new objects during playing, I just Seek() the tone stream then call Play() over and over, so I don't think it's a problem with orphaned buffers/whatever piling up till it's choked. I'm out of patience on this one, so I'm asking in the hopes that someone here has faced a similar requirement and can steer me in a direction with a likely solution. Thanks in advance...

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  • How to produce precisely-timed tone and silence?

    - by Bob Denny
    I have a C# project that plays Morse code for RSS feeds. I write it using Managed DirectX, only to discover that Managed DirectX is old and deprecated. The task I have is to play pure sine wave bursts interspersed with silence periods (the code) which are precisely timed as to their duration. I need to be able to call a function which plays a pure tone for so many milliseconds, then Thread.Sleep() then play another, etc. At its fastest, the tones and spaces can be as short as 40ms. It's working quite well in Managed DirectX. To get the precisely timed tone I create 1 sec. of sine wave into a secondary buffer, then to play a tone of a certain duration I seek forward to within x milliseconds of the end of the buffer then play. I've tried System.Media.SoundPlayer. It's a loser because you have to Play(), Sleep(), then Stop() for arbitrary tone lengths. The result is a tone that is too long, variable by CPU load. It takes an indeterminate amount of time to actually stop the tone. I then embarked on a lengthy attempt to use NAudio 1.3. I ended up with a memory resident stream providing the tone data, and again seeking forward leaving the desired length of tone remaining in the stream, then playing. This worked OK on the DirectSoundOut class for a while (see below) but the WaveOut class quickly dies with an internal assert saying that buffers are still on the queue despite PlayerStopped = true. This is odd since I play to the end then put a wait of the same duration between the end of the tone and the start of the next. You'd think that 80ms after starting Play of a 40 ms tone that it wouldn't have buffers on the queue. DirectSoundOut works well for a while, but its problem is that for every tone burst Play() it spins off a separate thread. Eventually (5 min or so) it just stops working. You can see thread after thread after thread exiting in the Output window while running the project in VS2008 IDE. I don't create new objects during playing, I just Seek() the tone stream then call Play() over and over, so I don't think it's a problem with orphaned buffers/whatever piling up till it's choked. I'm out of patience on this one, so I'm asking in the hopes that someone here has faced a similar requirement and can steer me in a direction with a likely solution.

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  • Filling combobox from database by using hibernate in Java

    - by denny
    Heyy; I am developing a small swing based application with hibernate in java. And I want fill combobox from database coloumn.How i can do that ? And I don't know in where(under initComponents, buttonActionPerformd) i need to do. For saving i'am using jbutton and it's code is here : private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { int idd=Integer.parseInt(jTextField1.getText()); String name=jTextField2.getText(); String description=jTextField3.getText(); Session session = null; SessionFactory sessionFactory = new Configuration().configure() .buildSessionFactory(); session = sessionFactory.openSession(); Transaction transaction = session.getTransaction(); try { ContactGroup con = new ContactGroup(); con.setId(idd); con.setGroupName(name); con.setGroupDescription(description); transaction.begin(); session.save(con); transaction.commit(); } catch (Exception e) { e.printStackTrace(); } finally{ session.close(); } }

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  • Play .WAV under Mono on Mac OS X (Snow Leopard)?

    - by Bob Denny
    The Mono 2.6 distribution contains System.Media.SoundPlayer, but attempts to play result in no sound (and no errors) on Mac OS X. All I can find with Google search is obscure references to ALSA. I posted to the Mono-OSX list, but there have been on replies there. I hope someone here has an answer. I think I need to tap into CoreAudio, but don't know how from Mono/C#.

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  • How can I use the paid version of my app as a "key" to the free version?

    - by Bryan Denny
    Let's say for example that I have some Android app that does X. The free version has ads or basic features. I want to have a paid version that removes the ads and adds extra features. How can I use the paid app as a "license key" to unlock the features in the free app? So the user would install the free app, then install the paid app to get the extra features, but they would still run the free app (which would now be unlocked). What's the best approach to doing this?

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  • Best way to bundles photos with app: files or in sqlite database?

    - by Bryan Denny
    Lets say that I have an app that lets you browse through a listing of cars found in a Sqlite database. When you click on a car in the listing, it'll open up a view with the description of the car and a photo of the car. My question is: should I keep the photo in the database as a binary data column in the row for this specific car, or should I have the photo somewhere in the resources directory? Which is better to do? Are there any limitations of Sqlite in terms of how big a binary data column can be? The database will be pretty much be read only and bundled with the app (so the user wouldn't be inserting any cars and their photos).

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