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  • PHP template class with variables?

    - by Josh
    I want to make developing on my new projects easier, and I wanted a bare bones very simple template engine solution. I looked around on the net and everything is either too bloated, or makes me cringe. My HTML files will be like so: <html> <head> <title>{PAGE_TITLE}</title> </head> <body> <h1>{PAGE_HEADER}</h1> <p>Some random content that is likely not to be parsed with PHP.</p> </body> </html> Obviously, I want to replace {PAGE_TITLE} and {PAGE_HEADER} with something I set with PHP. Like this: <?php $pageElements = array( '{PAGE_TITLE}' => 'Some random title.', '{PAGE_HEADER}' => 'A page header!' ); ?> And I'd use something like str_replace and load the replaced HTML into a string, then print it to the page? This is what I'm on the path towards doing at the moment... does anyone have any advice or a way I can do this better? Thanks.

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  • Contact-app like scrollinglist on android

    - by Alxandr
    I'm writing my first android app (I'm a noob at android, but decent at java). The first screen of the app consists of a huge list (about 1.5K items) of Manga-objects. The code I use is as following: main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <ListView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/android:list"></ListView> <TextView android:layout_height="fill_parent" android:layout_width="fill_parent" android:text="@string/list_no_items" android:id="@+id/android:empty"></TextView> </LinearLayout> row.xml: <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:padding="6dip" xmlns:android="http://schemas.android.com/apk/res/android"> <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="6dip" android:src="@drawable/icon" /> <LinearLayout android:orientation="vertical" android:layout_width="0dip" android:layout_weight="1" android:layout_height="fill_parent"> <TextView android:id="@+id/toptext" android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1" android:gravity="center_vertical" /> <TextView android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1" android:id="@+id/bottomtext" android:singleLine="true" android:ellipsize="marquee" /> </LinearLayout> </LinearLayout> Then I have a adapter which basically takes a Manga-object and puts it's name in the rows toptext, and it's latest updated date in the bottomtext. However, (this might be caused by the virtualization of the unit though), the result is really slow. Scrolling the list takes forever and you can only scroll small peaces of the time. How can I make the list work like the one in the contacts-app? So that when you start scrolling a handle pops out at the right side of the screen, and when you drag it letters shows up as of how far you've scrolled (the list is sorted alphabetically), and also, is there a way I could improve the performance of the list?

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  • Switching from ListView to VirtualStringTree

    - by Jeff
    Hey S.O! I am trying to build my projects with a VirtualStringTree rather than a Listview, because of the vast speed difference. The thing is, even after looking thru the demo's, I just can't figure out exactly how I would use it as a ListView. Like, adding, deleting, and basically just working with ListView items is so easy, but when I look at the VT, it gets almost too complicated. All I am looking for, is a VT that looks like a ListView, with subitems etc. Here are some routines using the ListView, that I would like to use with VT (This is just a pseudo example: procedure Add; begin with ListView.Items.Add do Begin Caption := EditCaption.Text; SubItems.Add(EditSubItem.Text): End; end; Procedure ReadItem(I : Integer); begin ShowMessage(ListView.Items[I].Caption); ShowMessage(ListView.Items[I].SubItems[0]); end; Of course, also the Delete function, but since thats like 1 line, I didnt bother :P Could anyone maybe translate the above examples into using a ListView style VT? Thanks!

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  • sudo port install arm-elf-gcc3 fails with "No defined site for tag: gcc…"

    - by Scott Bayes
    Am trying to get the ARM plugin for Eclipse (http://sourceforge.net/projects/gnuarmeclipse/) going on iMac i7, OS 10.6.3, Xcode 3.2.2 (don't want to upgrade during my project). The plugin needs (IIRC) arm-elf-gcc3, which needs darwinports for "easy" install. Of course, probably due to leftovers when I moved from old MacBook to iMac, Darwin ports 1.8.2 wouldn't install till I built 1.7.1 from source and installed it. darwinports 1.8.1 appears to have been properly installed, but sudo port install arm-elf-gcc3 led to 5-10 minutes of dependencies installs, then the following, produced with port -d (starting from last dependency completion for brevity): DEBUG: Found Dependency: receipt exists for gettext DEBUG: Executing org.macports.main (arm-elf-gcc3) --- Fetching arm-elf-gcc3 DEBUG: Executing org.macports.fetch (arm-elf-gcc3) --- gcc-3.4.6.tar.bz2 doesn't seem to exist in /opt/local/var/macports/distfiles/gcc Error: No defined site for tag: gcc, using master_sites Error: Target org.macports.fetch returned: can't read "host": no such variable DEBUG: Backtrace: can't read "host": no such variable while executing "info exists seen($host)" (procedure "sortsites" line 25) invoked from within "sortsites fetch_urls" (procedure "portfetch::fetchfiles" line 49) invoked from within "portfetch::fetchfiles" (procedure "portfetch::fetch_main" line 16) invoked from within "$procedure $targetname" Warning: the following items did not execute (for arm-elf-gcc3): org.macports.activate org.macports.fetch org.macports.extract org.macports.checksum org.macports.patch org.macports.configure org.macports.build org.macports.destroot org.macports.install Error: Status 1 encountered during processing. (sorry if that's a mess, neither blockquote nor code sample tags seem to properly display cut/pasted text from Terminal.app in preview window). Can anyone advise me on how to get around this (or how to build/install arm-elf-gcc3 from source if necessary)? None of the darwinports FAQs or forums mentioned arm-elf-gcc3 anywhere that I saw.

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  • Display ASP.NET GridView inside a selected row in another GridView

    - by Justin C
    I have been given a mockup that I do not know is possible to code in ASP.NET without being a real html and javascript wizard. I want a GridView that when a row is selected, the selected row expands and below the selected row a panel of additional information is shown, which would also include another small GridView. The idea is this would all be in-line. So if the user selected row 4, then the additional information would appear below row 4 and then after the additional information the parent GridView would continue with row 5. Ultimately I would want to do a multi-select type of set up, but first I need to figure out if this is even possible. Also, the solution must be 508 Compliant The one solution I considered was using only one "column". Then I would put all my fields in the ItemTemplate, and my detail panel content in the EditItemTemplate and instead of selecting the row, set it to edit mode. The problem with this solution is I lose the functionality of multiple columns if I throw everything in one huge ItemTemplate. Any and all suggestions or ideas are appreciated.

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  • Setting custom WCF-binding behaviour via .config file - why doesn't this work?

    - by Andrew Shepherd
    I am attempting to insert a custom behavior into my service client, following the example here. I appear to be following all of the steps, but I am getting a ConfigurationErrorsException. Is there anyone more experienced than me who can spot what I'm doing wrong? Here is the entire app.config file. <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.serviceModel> <behaviors> <endpointBehaviors> <behavior name="ClientLoggingEndpointBehaviour"> <myLoggerExtension /> </behavior> </endpointBehaviors> </behaviors> <extensions> <behaviorExtensions> <add name="myLoggerExtension" type="ChatClient.ClientLoggingEndpointBehaviourExtension, ChatClient, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null"/> </behaviorExtensions> </extensions> <bindings> </bindings> <client> <endpoint behaviorConfiguration="ClientLoggingEndpointBehaviour" name="ChatRoomClientEndpoint" address="http://localhost:8016/ChatRoom" binding="wsDualHttpBinding" contract="ChatRoomLib.IChatRoom" /> </client> </system.serviceModel> </configuration> Here is the exception message: An error occurred creating the configuration section handler for system.serviceModel/behaviors: Extension element 'myLoggerExtension' cannot be added to this element. Verify that the extension is registered in the extension collection at system.serviceModel/extensions/behaviorExtensions. Parameter name: element (C:\Documents and Settings\Andrew Shepherd\My Documents\Visual Studio 2008\Projects\WcfPractice\ChatClient\bin\Debug\ChatClient.vshost.exe.config line 5) I know that I've correctly written the reference to the ClientLoggingEndpointBehaviourExtensionobject, because through the debugger I can see it being instantiated.

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  • Dealing with "Coder's Block" (or blank form syndrome)

    - by robsoft
    I know this is the sort of somewhat open-ended question that we're discouraged from asking, but there are lots of open-ended questions around already, and this is something quite relevant to me right now. Do you ever get those times when you're about to start work on a new function/feature of an established system, and you get "coder's block"?. It's like a mental freeze at the sight of a large, completely unpopulated dialog, or an empty code file with just the stub reference headers etc. Do you ever have that 'ulp' moment that seems to sap all your momentum and leave you wide open to distractions (surfing the web for inspiration, checking out 'crackoverflow' etc)? Not that I'd wish it on anyone, but hopefully some of you do, and hopefully some of you can suggest tips or strategies for overcoming the situation, regaining your momentum and becoming productive again. I usually try to reduce what I'm about to do down to absurdly small steps, in the hope that as the job becomes just a series of 'doh' tasks, I'll kickstart myself into working through them. However sometimes, particularly when a deadline is looming, I'll get overwhelmed by this approach as I realise I probably don't have enough time to do all of those tiny steps properly. Those are the darkest moments, (often literally) just before dawn! This situation can be particularly crippling if you mostly work alone, too. Any thoughts or suggestions? Any methods that you found helpful yourself?

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  • eclipse tomcat debug mode slow - pegs cpu

    - by andersonbd1
    Running Tomcat through eclipse works fine in non-debug mode, but not in debug mode. When I try to start the Tomcat server in debug mode, the console output looks fine for a while, but then starts slowing down and eventually just stops, pegging the cpu at 100%. I don't think it's relevant, but just in case - here's the console output right about when it starts slowing down and eventually stopping (by stopping I mean no more console output, but still 100% cpu). 2009-09-02 14:35:30,859 INFO NONE org.springframework.context.weaving.DefaultContextLoadTimeWeaver:72 - Found Spring's JVM agent for instrumentation 2009-09-02 14:35:49,562 INFO NONE org.springframework.beans.factory.support.DefaultListableBeanFactory:414 - Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@ed889d: defining beans [... 2009-09-02 14:37:31,031 INFO NONE org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean:221 - Building JPA container EntityManagerFactory for persistence unit ... I tried everything I could think of to fix it: cleanesd tomcat working directory restarted eclipse restarted Windows refreshed/cleaned all projects I first had this problem last week using eclipse ganymede. I had been running fine in debug-mode for several months prior to this issue. I didn't make any significant changes to our project that would cause this. Eventually, I upgraded to eclipse galileo which solved my problem. Now 2 days later, I'm having the same problem in galileo. Like I said it works fine in non-debug mode. Any help is much appreciated. I should add that other things work in debug mode - for instance junit tests, so it is something specific to tomcat.

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  • Weird RecordStore behavior when RecordStoreFullException occurs

    - by Michael P
    Hello everyone! I'm developing a small J2ME application that displays bus stops timetables - they are stored as records in MIDP RecordStores. Sometimes records can not fit a single RecordStore, especially on record update - using setRecord method - a RecordStoreFullException occurs. I catch the exception, and try to write the record to a new RecordStore along with deleting the previous one in the old RecordStore. Everything works fine except of deleting record from RecordStore where the RecordStoreFullException occurs. If I make an attempt to delete record that could not be updated, another Exception of type InvalidRecordIDException is thrown. This is weird and undocumented in MIDP javadoc. I have tested it on Sun WTK 2.5.2, MicroEdition SDK 3.0 and Nokia Series 40 SDK. Furthermore I created a code that reproduces this strange behaviour: RecordStore rms = null; int id = 0; try { rms = RecordStore.openRecordStore("Test", true); byte[] raw = new byte[192*10024]; //Big enough to cause RecordStoreFullException id = rms.addRecord(raw, 0, 160); rms.setRecord(id, raw, 0, raw.length); } catch (Exception e) { try { int count = rms.getNumRecords(); RecordEnumeration en = rms.enumerateRecords(null, null, true); count = en.numRecords(); while(en.hasNextElement()){ System.out.println("NextID: "+en.nextRecordId()); } rms.deleteRecord(id); //this won't work! rms.setRecord(id, new byte[5], 0, 5); //this won't work too! } catch (Exception ex) { ex.printStackTrace(); } } I added extra enumeration code to produce other weird behavior - when RecordStoreFullException occurs, count variable will be set to 1 (if RMS was empty) by both methods - getNumRecords and numRecords. System.out.println will produce NextID: 0! It is not acceptable because record ID can not be 0! Could someone explain this strange behavior? Sorry for my bad English.

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  • Slow query with unexpected index scan

    - by zerkms
    Hello I have this query: SELECT * FROM sample INNER JOIN test ON sample.sample_number = test.sample_number INNER JOIN result ON test.test_number = result.test_number WHERE sampled_date BETWEEN '2010-03-17 09:00' AND '2010-03-17 12:00' the biggest table here is RESULT, contains 11.1M records. The left 2 tables about 1M. this query works slowly (more than 10 minutes) and returns about 800 records. executing plan shows clustered index scan (over it's PRIMARY KEY (result.result_number, which actually doesn't take part in query)) over all 11M records. RESULT.TEST_NUMBER is a clustered primary key. if I change 2010-03-17 09:00 to 2010-03-17 10:00 - i get about 40 records. it executes for 300ms. and plan shows index seek (over result.test_number index) if i replace * in SELECT clause to result.test_number (covered with index) - then all become fast in first case too. this points to hdd IO issues, but doesn't clarifies changing plan. so, any ideas? UPDATE: sampled_date is in table sample and covered by index. other fields from this query: test.sample_number is covered by index and result.test_number too. UPDATE 2: obviously than sql server in any reasons don't want to use index. i did a small experiment: i remove INNER JOIN with result, select all test.test_number and after that do SELECT * FROM RESULT WHERE TEST_NUMBER IN (...) this, of course, works fast. but i cannot get what is the difference and why query optimizer choose such inappropriate way to select data in 1st case.

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  • Flex chart axis title blinking on resize

    - by Anoop
    I am having a chart with titles for horizontal and vertical axis. the verticalAxisTitleAlignment property of the vertical axis renderer is set to vertical. The application is a portal sort of thing and this chart is placed inside a small window. on click of the window am resizing the parent of the chart. but at that time the title of the axis is blinking and it provides a feeling that the resizing is not smooth. I dont understand why this happens? does the tile renders each time when the component is maximized? is there any way to stop that? Thanks in Advance, Cheers, PK This is the code am using to draw the title : <mx:horizontalAxis> <mx:LinearAxis id="haxis" title="Share" interval="5"/> </mx:horizontalAxis> <mx:verticalAxis> <mx:LinearAxis id="vaxis" title="{'Aided'+ '\n'+ ' awareness'}" interval="5"/> </mx:verticalAxis> <mx:horizontalAxisRenderers> <mx:AxisRenderer axis="{haxis}" axisStroke="{axisStroke}" tickPlacement="none"/> </mx:horizontalAxisRenderers> <mx:verticalAxisRenderers> <mx:AxisRenderer axis="{vaxis}" axisStroke="{axisStroke}" verticalAxisTitleAlignment="vertical" tickPlacement="none"/> </mx:verticalAxisRenderers>

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  • Good locations worldwide for a coder gypsy wannabe

    - by fung
    Yes, this is not programming related but please bear with me =). I run a small niche SaaS business. Lately I've been thinking of traveling and experiencing life in other places. Would really appreciate suggestions for good places a developer could relocate to. In particular I'm looking for a place that: Has good internet connection (cheap stable broadband, lots of places that provide free wifi, etc.) Low cost of living (rent and food fairly cheap). At least half of the population speak English. Has a local courier agent (DHL, Fedex, any...). The government allows for extended stay of foreigners. I'm thinking of staying for about 6 months at each location and maybe doing it for 3 years. So looking for 5 to 6 locations in total. So if any of you think you're staying in a place that would be great for a visiting developer then please shout out. Include as detailed a description as possible. And include any cons about the place if there are. The only place that pops to mind right now is Bali =). Isle of Skye also seems interesting but I think immigration is tight and cost of living would definitely be higher. Thanks in advance for suggestions =)

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  • Validate checkboxes in MVC form

    - by Frode Lillerud
    Hi, I have a table in an ASP.NET MVC2 form. On each row in the table there is a checkbox. Underneath the table there is a submitbutton. I want to make the button disabled when NONE of the checkboxes are selected. <% using Html.BeginForm(....) { %> <table> <% foreach (var item in Model) { %> <tr> <td> <input type="checkbox" name="selectedContacts" /> </td></tr> <% } //End foreach %> </table> <% } //End using %> <input type="submit" value="Create selection" name="CreateSelectionAction" /> The number of lines/checkboxes will vary from 1 to many. How can I use MVC2/jQuery to require the user to selected minimum one checkbox before clicking Submit button? Edit; Of the three answers below I couldn't get any of them to work. Nothing happens when clicking the checkboxes, and no Javascript errors are raised. Setting up a small bounty.

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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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  • jsf datatable lazy load filter and sorting

    - by darko petreski
    Hi, I have worked on several projects with a lot of data tables. The tables had sorting, filtering and paging of course on server side and with help of the db (all databases has implemented sording, filtering -where and limit the returned results). When workig on real application there are a thousands of even a millions rows. But I have seen several JSF dagatable components. They implement pagination, sorting and filtering on client side!! According to me this is very silly. This technology is called enterprise and they sort the data on the client side with java script! I have not seen any good JSF data grid that has build in features for sorting, filtering and lazy loading on the server side. Why is that? Am I looking in wrong direction or really there in no build support for this. Lately I am testing primefaces and lazy loading datatable. It really works fine, but the table i can only lazy load. If you add sort and filter then the problems begin. Conclusion: Is there any datatable JSF component than can perform lazy load pagination, and filtering and sorting on server side. If I need to implement my own solution thanks to the teams that made client side sorting and filtering, they are useless. Regards

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  • Finding most efficient transmission size in varying network latency scenarios

    - by rwmnau
    I'm building a .NET remoting client/server that will be transmitting thousands of files, of varying sizes (everything from a few bytes to hundreds of MB), and I'm curious about a general method for finding the appropriate transmission size. As I see it, there's the following tradeoff: Serialize entire file into a transmission object and transmit at once, regardless of size. This would be the fastest, but a failure during tranmission requires that the whole file be re-transmitted. If the file size is larger than something small (like 4KB), break it into 4KB chunks and transmit those, re-assembling on the server. In addition to the complexity of this, it's slower because of continued round-trips and acknowledgements, though a failure of any one piece doesn't waste much time. The ideal transmission method (when taking into account negotiation latency vs. failure rate) is somewhere in between, and I'm wondering about how to find out the best size for that particular client. Do I have some dynamic tuning step in my transmission that looks at the current bytes/second average, and then raises the transmission size until the speed starts to drop (failures overwhelm negotiation cost)? Or is there some other method for determining ideal transmission size? The application will be multi-threaded, so number of threads also factors in to the calculation. I'm not looking for a formula (though I'll take one if you've got it), but just what to consider as I create this process.

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  • Ajax actionlinks straight from a DropDownList

    - by Ingó Vals
    I've got a small linkbox on the side of my page that is rendered as a PartialView. In it I have a dropDownlist the should change the routing value of the links in the box but I'm having difficulty doing so. My current plan is to call on something similar to a Ajax.ActionLink to reload the partial view into the with a different parameter based on the value of the dropdown selection. However I'm having multiple problems with this, for example as a novice in using dropdownlists I have no idea how to call on the selected value for example. <%= Html.DropDownList("DropDownList1", new SelectList(Model, "ID", "Name"), "--Pick--", new { AutoPostBack = "true", onchange = "maybe something here" })%> I tried putting in the sys.mvc.AsyncHyperlink into the onchange attribute and that worked except I don't know how to put in the route value for it. Sys.Mvc.AsyncHyperlink.handleClick(this, new Sys.UI.DomEvent(event), { insertionMode: Sys.Mvc.InsertionMode.replace, updateTargetId: 'SmallMenu' } Is there no straight Ajax drop down list that fires events onchange? Any way this is possible? I have later in the Partial view the Ajax actionlinks but they need to have their id's updated by the value in the dropdownlist and if I could do that somehow else I would appreciate a suggestion.

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  • Grails Mail port configuration

    - by bsreekanth
    Hello, I am trying to send mail through grails mail plugin. I configured according to the documentation, and also followed few blog posts (http://blog.lourish.com/2010/04/02/sending-asynchronous-html-email-in-grails-with-activemq-jms-and-gmail/). That post mention that the closure way of declaring the configuration overrides others, but not true. Anyway I tried both approach, but seems like the port is still use the smtp default one. I get the below exception. exception: org.springframework.mail.MailSendException: Mail server connection failed; nested exception is javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25; nested exception is: java.net.ConnectException: Connection refused: connect Now, I wrote a small program directly using the java mail library, and I could send the mail with that. The configuration is shown below. tried additional config "mail.smtp.port":"465"", but no change.. used the parameters mentioned in the above blog post, result same grails { mail { host = "smtp.gmail.com" port = "465" username = "[email protected]" password = "mypwd" props = ["mail.smtp.auth":"true", // "mail.smtp.port":"465", "mail.smtp.socketFactory.port":"465", "mail.smtp.socketFactory.class":"javax.net.ssl.SSLSocketFactory", "mail.smtp.socketFactory.fallback":"false"] } } thanks in advance.. Update: It is not port or firewall config, as when I made a grails application from scratch, and tried with the same config, everything works. Also, asked in grails forum http://grails.1312388.n4.nabble.com/grails-mail-mailSender-does-not-have-config-values-td2237704.html#a2237704 . Hope get a lead to try.

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  • How to call a .NET Webservice from Android using KSOAP2?

    - by Rajapandian
    Hai to All,I have a problem while calling the webservice,i have a .NET web service in the server and i am using KSOAP2(ksoap2-j2se-full-2.1.2) in android.While running the program i got an runtime Exception like "org.ksoap2.serialization.SoapPrimitive". I dont know what to do.Here is my code. package projects.ksoap2sample; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.HttpTransportSE; import android.app.*; import android.os.*; import android.widget.TextView; public class ksoap2sample extends Activity { /** Called when the activity is first created. */ private static final String SOAP_ACTION = "http://tempuri.org/HelloWorld"; private static final String METHOD_NAME = "HelloWorld"; private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://192.168.1.19/TestWeb/WebService.asmx"; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); tv=(TextView)findViewById(R.id.text1); try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); //request.addProperty("prop1", "myprop"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet=true; envelope.setOutputSoapObject(request); HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope); Object result = (Object)envelope.getResponse(); String[] results = (String[]) result; tv.setText( ""+results[0]); } catch (Exception e) { tv.setText(e.getMessage()); } } } May be my code is wrong.please help me. Regards Rajapandian

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  • Grails beginner problem "Failed to invoke Servlet 2.5"

    - by A Lion
    I'm trying to get Groovy on Grails set up on a Snow Leopard machine. I followed all the grails.com install directions and am trying to start the application from Grails: A Quick-Start Guide by Dave Klein. I ran grails create-app TekDays with no apparent problems and was able to cd to the TekDays folder, but when I try to run grails run-app I get the following: Welcome to Grails 1.3.1 - http://grails.org/ Licensed under Apache Standard License 2.0 Grails home is set to: /grails Base Directory: /apps/TekDays Resolving dependencies... Dependencies resolved in 4469ms. Running script /grails/scripts/RunApp.groovy Environment set to development [delete] Deleting directory /Users/name/.grails/1.3.1/projects/TekDays/tomcat Running Grails application.. 2010-05-24 21:42:39,559 [main] ERROR context.GrailsContextLoader - Error executing bootstraps: Failed to invoke Servlet 2.5 getContextPath method java.lang.IllegalStateException: Failed to invoke Servlet 2.5 getContextPath method at org.grails.tomcat.TomcatServer.start(TomcatServer.groovy:164) at grails.web.container.EmbeddableServer$start.call(Unknown Source) at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy:159) at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy) at _GrailsSettings_groovy$_run_closure10.doCall(_GrailsSettings_groovy:282) at _GrailsSettings_groovy$_run_closure10.call(_GrailsSettings_groovy) at _GrailsRun_groovy$_run_closure5.doCall(_GrailsRun_groovy:150) at _GrailsRun_groovy$_run_closure5.call(_GrailsRun_groovy) at _GrailsRun_groovy.runInline(_GrailsRun_groovy:116) at _GrailsRun_groovy.this$4$runInline(_GrailsRun_groovy) at _GrailsRun_groovy$_run_closure1.doCall(_GrailsRun_groovy:59) at RunApp$_run_closure1.doCall(RunApp.groovy:33) at gant.Gant$_dispatch_closure5.doCall(Gant.groovy:381) at gant.Gant$_dispatch_closure7.doCall(Gant.groovy:415) at gant.Gant$_dispatch_closure7.doCall(Gant.groovy) at gant.Gant.withBuildListeners(Gant.groovy:427) at gant.Gant.this$2$withBuildListeners(Gant.groovy) at gant.Gant$this$2$withBuildListeners.callCurrent(Unknown Source) at gant.Gant.dispatch(Gant.groovy:415) at gant.Gant.this$2$dispatch(Gant.groovy) at gant.Gant.invokeMethod(Gant.groovy) at gant.Gant.executeTargets(Gant.groovy:590) at gant.Gant.executeTargets(Gant.groovy:589) Caused by: java.lang.NoSuchMethodException: javax.servlet.ServletContext.getContextPath() at java.lang.Class.getMethod(Class.java:1605) ... 23 more I've googled every derivative of "Failed to invoke Servlet 2.5" that I can think of, but have thus far been unable to find anything that helps me understand, yet alone resolve, the error. Any advice to help me resolve this would be very much appreciated!

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  • jQuery UI Tabs customization for many tabs

    - by Tauren
    I'd like to implement a tab bar using jquery-ui-tabs that has been customised to work like it does on HootSuite. Try this on HootSuite to see what I mean: Log in to your hootsuite.com account Click the + symbol to the right of your tabs Add tabs named "MMMMMMMMMMMMMMMMM" until a "More..." tab appears You'll see this: HootSuite includes the following features, all of which I would like to do: Fit as many tabs as possible onto the screen. Users with larger screens would see more tabs. If they run out of space, a "More..." tab would appear with a drop-down list Clicking onto the More tab would drop down a list of additional tabs Tabs can be dragged and rearranged. Tabs in the More drop-down list can be dragged to the tab bar Delete tabs with a small X next to the tab name Add tabs with a + icon to the right of the last tab I already have a tab bar working that does 4 and 6. I found a Paging Tab Plugin which is pretty cool, but works differently. Does anyone know of plugins or techniques that would help me accomplish the above? My thought is to not really make the More tab a real tab, but just an object that looks like a tab. I'd add logic to the tabs.add method to calculate if another tab can fit. If it can't, then I would add the details of the tab to my separate "More" list. There'd be a fair amount of effort to get this all working, so if there are any plugins that would help, I'd love to hear about them.

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  • What do I do about recurring billing?

    - by phidah
    This might be a subjective question, but I'll give it a go. There are already a number of questions on SO that revolves around subscription billing management. I am currently working on a SaaS solution that will require a fully automated billing system. What I am not looking for when asking this question is not advice on implementing towards a specific payment gateway or stuff like that. Instead I'd like advice on what kind of approach to take. The functionality that I need is a system that can handle upgrades, downgrades, recurring billing, cancellations, etc. Initially for one product only, but it might over time be a requirement that the system can handle multiple products (by products I mean fundamentally different products, not different variations of the same product). As I see it there are a number of possible approaches when you need a solution like this: Code a billing server yourself that supports this and is decoupled from each product so that it can handle multiple independent products. Use a hosted solution like Recurly, Chargify, Spreedly or CheddarGetter. The advantage of using a hosted solution is obviously that you don't need PCI certification, the concern is outsourced and it is a lot faster to get up and running. These advantages come at a cost however: The most important support function for your product - i.e. the billing is not in your control. Additionally you have less control and flexibility. What would you do? If we look beyond the PCI requirements I would definately prefer to have a system coded in-house that could do this kind of job. On the other hand I've heard from numerous sources that coding a system like this is a pain. Any advice is highly appreciated. Also, if you advice to code it yourself, any experiences on how to do it or if there are any opensource projects (no matter the language, what I'm after is not the code but the structure) that I can benefit from would really mean alot. Thanks in advance for your inputs! :-)

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  • should I use Entity Framework instead of raw ADO.NET

    - by user110182
    I am new to CSLA and Entity Framework. I am creating a new CSLA / Silverlight application that will replace a 12 year old Win32 C++ system. The old system uses a custom DCOM business object library and uses ODBC to get to SQL Server. The new system will not immediately replace the old system -- they must coexist against the same database for years to come. At first I thought EF was the way to go since it is the latest and greatest. After making a small EF model and only 2 CSLA editable root objects (I will eventually have hundreds of objects as my DB has 800+ tables) I am seriously questioning the use of EF. In the current system I have the need many times to do fine detail performance tuning of the queries which I can do because of 100% control of generated SQL. But it seems in EF that so much happens behind the scenes that I lose that control. Article like http://toomanylayers.blogspot.com/2009/01/entity-framework-and-linq-to-sql.html don't help my impression of EF. People seem to like EF because of LINQ to EF but since my criteria is passed between client and server as criteria object it seems like I could build queries just as easily without LINQ. I understand in WCF RIA that there is query projection (or something like that) where I can do client side LINQ which does move to the server before translation into actual SQL so in that case I can see the benefit of EF, but not in CSLA. If I use raw ADO.NET, will I regret my decision 5 years from now? Has anyone else made this choice recently and which way did you go?

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  • should I use Entity Framework instead of raw ADO.NET

    - by user110182
    I am new to CSLA and Entity Framework. I am creating a new CSLA / Silverlight application that will replace a 12 year old Win32 C++ system. The old system uses a custom DCOM business object library and uses ODBC to get to SQL Server. The new system will not immediately replace the old system -- they must coexist against the same database for years to come. At first I thought EF was the way to go since it is the latest and greatest. After making a small EF model and only 2 CSLA editable root objects (I will eventually have hundreds of objects as my DB has 800+ tables) I am seriously questioning the use of EF. In the current system I have the need many times to do fine detail performance tuning of the queries which I can do because of 100% control of generated SQL. But it seems in EF that so much happens behind the scenes that I lose that control. Article like http://toomanylayers.blogspot.com/2009/01/entity-framework-and-linq-to-sql.html don't help my impression of EF. People seem to like EF because of LINQ to EF but since my criteria is passed between client and server as criteria object it seems like I could build queries just as easily without LINQ. I understand in WCF RIA that there is query projection (or something like that) where I can do client side LINQ which does move to the server before translation into actual SQL so in that case I can see the benefit of EF, but not in CSLA. If I use raw ADO.NET, will I regret my decision 5 years from now? Has anyone else made this choice recently and which way did you go?

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  • 2-column; multi-accordion pane

    - by Josh
    Alright, I'm having some issues and I believe it's a CSS one. Here is what I'm working on currently: http://www.notedls.com/demo/ Focusing on the News accordion menu. The idea here is to have a small image (50x50 with padding) and then a huge headline next to it. When the user clicks the headline, it expands to the article. If the user wants to read comments or make a comment themselves they can then click the View Comments to expand it even further. The issue I'm having (if it isn't clear) is the spacing with the image and the text. I could simply just increase the height of the ui.accordion-acc or -left to make everything fit, but that doesn't solve the issue. If you notice when you click on the first expansion of Headline 1, it will wrap View Comments underneath the image. This is something I don't want, I've tried separating these elements into additional divs and even floating, but its just not working. Essentially, I want blank space infinitely underneath the image for however long the article+comments may take the field.

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