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Articles indexed Friday May 14 2010

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  • Moving from Ubuntu desktop to Ubuntu Server via SSH

    - by Daniel Elessedil Kjeserud
    So a little while ago I installed regular Ubuntu for a home server, but that gave me a lot of extra packages. What I should have done was to install Ubuntu Server, since I don't even own a screen to connect to it. Does anybody know of a way to convert my Ubuntu machine to a Ubuntu Server machine in one big swoop? It has to be done over SSH, since I don't have a screen to connect to it, like I said. It's currently running 9.10, about to be upgraded to 10.4.

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  • Pub banter - content strategy at the ballot box?

    - by Roger Hart
    Last night, I was challenged to explain (and defend) content strategy. Three sheets to the wind after a pub quiz, this is no simple task, but I hope I acquitted myself passably. I say "hope" because there was a really interesting question I couldn't answer to my own satisfaction. I wonder if any of you folks out there in the ethereal internet hive-mind can help me out? A friend - a rather concrete thinker who mathematically models complex biological systems for a living - pointed out that my examples were largely routed in business-to-business web sales and support. He challenged me with: Say you've got a political website, so your goal is to have somebody read it and vote for you - how do you measure the effectiveness of that content? Well, you would. umm. Oh dear. I guess what we're talking about here, to yank it back to my present comfort zone, is a sales process where your point of conversion is off the site. The political example is perhaps a little below the belt, since what you can and can't do, and what data you can and can't collect is so restricted. You can't throw up a "How did you hear about this election?" questionnaire in the polling booth. Exit polls don't pull in your browsing history and site session information. Not everyone fatuously tweets and geo-tags each moment of their lives. Oh, and folks lie. The business example might be easier to attack. You could have, say, a site for a farm shop that only did over the counter sales. Either way, it's tricky. I fell back on some of the work I've done usability testing and benchmarking documentation, and suggested similar, quick and dirty, small sample qualitative UX trials. I'm not wholly sure that was right. Any thoughts? How might we measure and curate for this kind of discontinuous conversion?

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  • ModelForm problem

    - by 47
    I have declared my model classes as found in this link....I now want to customize how my add/edit ModelForm for a Vehicle object is rendered in that I want the year, make, model, and manufacturer fields to be rendered separately as opposed to referring to the one common_vehicle field from the Vehicle class. How can this be done?

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  • Text indent after the first line in a paragraph

    - by bobo
    - A Reuters reporter in Surkhrod district in Nangarhar province, where villagers said the raids took place, said Afghan police fired at the crowd after some of them started throwing stones at local government buildings. <p> - A Reuters reporter in Surkhrod district in Nangarhar province, where villagers said the raids took place, said Afghan police fired at the crowd after some of them started throwing stones at local government buildings.</p> In the above paragraph, I would like to use CSS to make all lines after the first line to automatically indent some space so that each line stays right after the - in the first line. It's similar to a list item with list position set to outside, but I don't want to use a list. What is the simplest way you can think of to achieve this effect? Less extra html markups will be better. Many thanks to you all.

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  • How to either return JSON or RedirectToAction?

    - by DaveDev
    I have an Action Method that I'd either like to return JSON from on one condition or redirect on another condition. I thought that I could do this by returning ActionResult from my method but doing this causes the error "not all code paths return a value" Can anyone tell me what I'm doing wrong? Or how to achieve the desired result? Here's the code below: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Login(User user) { var myErrors = new Dictionary<string, string>(); try { if (ModelState.IsValid) { if (userRepository.ValidUser(user)) { RedirectToAction("Index", "Group"); //return Json("Valid"); } else { return Json("Invalid"); } } else { foreach (KeyValuePair<string, ModelState> keyValuePair in ViewData.ModelState) { if (keyValuePair.Value.Errors.Count > 0) { List<string> errors = new List<string>(); myErrors.Add(keyValuePair.Key, keyValuePair.Value.Errors[0].ErrorMessage); } } return Json(myErrors); } } catch (Exception) { return Json("Invalid"); } }

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  • object datasource problems in visual studio 2008,

    - by kamal
    After going to the process of adding the various attributes like insert,delete and update.But when i run it through the browser ,editing works but updating and deleting doesn't !(for the update and shows the same thing for delete,my friends think i need to use codes to repair the problems,can you help me please.it shows this: Server Error in '/WebSite3' Application. ObjectDataSource 'ObjectDataSource1' could not find a non-generic method 'Update' that has parameters: First_name, Surname, Original_author_id, First name, original_author id. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: ObjectDataSource 'ObjectDataSource1' could not find a non-generic method 'Update' that has parameters: First_name, Surname, Original_author_id, First name, original_author id. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [InvalidOperationException: ObjectDataSource 'ObjectDataSource1' could not find a non-generic method 'Update' that has parameters: First_name, Surname, Original_author_id, First name, original_author id.] System.Web.UI.WebControls.ObjectDataSourceView.GetResolvedMethodData(Type type, String methodName, IDictionary allParameters, DataSourceOperation operation) +1119426 System.Web.UI.WebControls.ObjectDataSourceView.ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues) +1008 System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary values, IDictionary oldValues, DataSourceViewOperationCallback callback) +92 System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row, Int32 rowIndex, Boolean causesValidation) +907 System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +704 System.Web.UI.WebControls.GridView.OnBubbleEvent(Object source, EventArgs e) +95 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37 System.Web.UI.WebControls.GridViewRow.OnBubbleEvent(Object source, EventArgs e) +123 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37 System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +118

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  • x86 linux - how to create custom malloc with address hint

    - by nandu
    Hi, I want to create a custom malloc which allocates memory blocks within a given address range. I am writing a pthreads application in which threads are bound to unique cores on a many-core machine. The memory controllers are statically mapped, so that certain range of addresses on main memory are electrically closer to a core. I want to minimize the latency of communication between cores and main memory by allocating thread memory on these "closer" regions. Any ideas would be most appreciated. Thank you! Nandu

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  • FLEX: question about MXML syntax

    - by Patrick
    hi, I would like to know if it is the same to assign properties to my custom component in its own class, or from the parent document. Please see snippet below: Here I assign the property bottom in my custom component class: <?xml version="1.0"?> <mx:LinkButton bottom="20" > <mx:Script> ... Here I assign the property bottom when I use the component in my main MXML file <myComp:Brick bottom="10"/> Am I overriding the original one ? Thanks

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  • using jquery $.ajax to retrieve data and push data into javascript array through the success functio

    - by teamdane
    Hello All, I have a function that I'm trying to retrieve values using $.ajax and push the returned data into an array called output. Problem is the success function will not allow me to push the results into the array. see below for code. var getValues = function(el) { var value = ($(el).val()); if(value == '' || $(el).attr('disabled')) { return []; } var string = 'value=' + value; var output = []; $.ajax({ type: "GET", url: 'shocklookup_callback.php', dataType: "string", data: string, success: function(data) { } }); //output.push({ text : value + 'test', value : value + 'test1'} ); return output; }; Any ideas of what I can put in the success function to be able to push the data into the output array? Also I need to be able to return the output array to the original function getValues. If this doesn't' make a whole lot of sense please let me know and I'll try to explain better. Thanks, Dane

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  • Can't Display Bitmap of Higher Resolution than CDC area

    - by T. Jones
    Hi there dear gurus and expert coders. i am not gonna start with im a newbie and don't know much about image programming but unfortunately those are the facts :( I am trying to display an image from a bitmap pointer *ImageData which is of resolution 1392x1032. I am trying to draw that at an area of resolution or size 627x474. However, repeated trying doesnt seem to work. It works when I change the bitmap image I created from *ImageData width and height to resolution or size of around 627x474 I really do not know how to solve this after trying all possible solutions from various forums and google. pDC is a CDC* and memDC is a CDC initialized in an earlier method Anything uninitialized here was initialized in other methods. Here is my code dear humble gurus. Do provide me with guidance Yoda and Obi-Wan provided to Luke Skywalker. void DemoControl::ShowImage( void *ImageData ) { int Width; //Width of Image From Camera int Height; //Height of Image From Camera int m_DisplayWidth = 627 ;//width of rectangle area to display int m_DisplayHeight = 474;//height of rectangle area to display GetImageSize( &Width, &Height ) ; //this will return Width = 1392, Height 1032 CBitmap bitmap; bitmap.CreateBitmap(Width,Height,32,1,ImageData); CBitmap* pOldBitmap = memDC.SelectObject((CBitmap*)&bitmap); pDC->BitBlt(22, 24, 627, 474, &memDC, 0, 0, SRCCOPY); memDC.SelectObject((CBitmap*)pOldBitmap); ReleaseDC(pDC); }

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  • How do I dismiss an NSPanel when creating or opening a new document?

    - by mipadi
    I am working on a document-based Cocoa application. At startup, the user is presented with a "welcome panel" (of type NSPanel) with buttons for common actions like "Create New Document" and "Open Existing Document". These actions are linked to the first responder's newDocument: and openDocument: actions, respectively, just like the matching items in the File menu. Everything works as expected...with two caveats: The welcome panel is not dismissed when creating or opening a new document. Document windows do not have focus when they are created. I have partially solved #1 by making my application controller a delegate of the welcome panel. When clicking the "Open Existing Document" button, the panel resigns its key status (since a file browser dialog is being opened), so I can close the panel in the delegate's windowDidResignKey: method. However, I can't figure out how to close the panel when creating a new document, since I can't find a notification that is posted, or a delegate method that is called, when creating a new document. And ultimately, #2 is still a problem, since the document windows don't gain focus when they're created. I have only subclassed NSDocument -- I'm not using a custom document or window controller at all. I've also tried changing the panel to an NSWindow, thinking that an NSWindow may behave differently, but the same problems are occurring.

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  • How to make Inno Setup ignore the hidden attribute while searching for files?

    - by andi
    I have to copy into the installer folders containing hidden files (in my case Desktop.ini). I use a line similar to this one in the [Files] section: Source: "folder\*desktop.ini"; DestDir: "{app}\folder"; Flags: recursesubdirs uninsneveruninstall; Attribs: hidden This line only works if I remove the hidden attributes. If all are hidden, it complains that it could not find any files. How can I configure Inno to search for hidden files using patterns?

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  • Custom Java ListCellRenderer - Can't click JCheckBox

    - by Spencer
    Made a custom ListCellRenderer: import java.awt.Component; import javax.swing.JCheckBox; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.ListCellRenderer; /** * * @author Spencer */ public class TaskRenderer implements ListCellRenderer { private Task task; private JPanel panel = new JPanel(); private JCheckBox checkbox = new JCheckBox(); private JLabel label = new JLabel(); public TaskRenderer() { panel.add(checkbox); panel.add(label); } public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { task = (Task) value; label.setText(task.getName()); return panel; } } Have a JList with each cell in it rendered using the above class, but the checkboxes in the panels for each cell cannot be clicked. Thought it had to do with it not getting focus. Any ideas? Thanks, Spencer

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  • Any advice about how to make the design of an application.

    - by VansFannel
    Hello. I want to design an application and I don't know where to start. I know I can use UML to design the application, but I don't know the steps I must follow. I've started doing the UML class diagram, but I suppose, I'm been doing the database model, not the class model for the application. If I don't explain it well, tell me. Is there any tutorial about how to design an application? Thank you.

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  • drupal_get_form is not passing along node array

    - by ElectronicBlacksmith
    I have not been able to get drupal_get_form to pass on the node data. Code snippets are below. The drupal_get_form documentation (api.drupal.org) states that it will pass on the extra parameters. I am basing the node data not being passed because (apparently) $node['language'] is not defined in hook_form which causes $form['qqq'] not to be created and thus the preview button shows up. My goal here is that the preview button show up using path "node/add/author" but doesn't show up for "milan/author/add". Any alternative methods for achieving this goal would be helpful but the question I want answered is in the preceding paragraph. Everything I've read indicates that it should work. This menu item $items['milan/author/add'] = array( 'title' = 'Add Author', 'page callback' = 'get_author_form', 'access arguments' = array('access content'), 'file' = 'author.pages.inc', ); calls this code function get_author_form() { //return node_form(NULL,NULL); //return drupal_get_form('author_form'); return author_ajax_form('author'); } function author_ajax_form($type) { global $user; module_load_include('inc', 'node', 'node.pages'); $types = node_get_types(); $type = isset($type) ? str_replace('-', '_', $type) : NULL; // If a node type has been specified, validate its existence. if (isset($types[$type]) && node_access('create', $type)) { // Initialize settings: $node = array('uid' = $user-uid, 'name' = (isset($user-name) ? $user-name : ''), 'type' = $type, 'language' = 'bbb','bbb' = 'TRUE'); $output = drupal_get_form($type .'_node_form', $node); } return $output; } And here is the hook_form and hook_form_alter code function author_form_author_node_form_alter(&$form, &$form_state) { $form['author']=NULL; $form['taxonomy']=NULL; $form['options']=NULL; $form['menu']=NULL; $form['comment_settings']=NULL; $form['files']=NULL; $form['revision_information']=NULL; $form['attachments']=NULL; if($form["qqq"]) { $form['buttons']['preview']=NULL; } } function author_form(&$node) { return make_author_form(&$node); } function make_author_form(&$node) { global $user; $type = node_get_types('type', $node); $node = author_make_title($node); drupal_set_breadcrumb(array(l(t('Home'), NULL), l(t($node-title), 'node/' . $node-nid))); $form['authorset'] = array( '#type' = 'fieldset', '#title' = t('Author'), '#weight' = -50, '#collapsible' = FALSE, '#collapsed' = FALSE, ); $form['author_id'] = array( '#access' = user_access('create pd_recluse entries'), '#type' = 'hidden', '#default_value' = $node-author_id, '#weight' = -20 ); $form['authorset']['last_name'] = array( '#type' = 'textfield', '#title' = t('Last Name'), '#maxlength' = 60, '#default_value' = $node-last_name ); $form['authorset']['first_name'] = array( '#type' = 'textfield', '#title' = t('First Name'), '#maxlength' = 60, '#default_value' = $node-first_name ); $form['authorset']['middle_name'] = array( '#type' = 'textfield', '#title' = t('Middle Name'), '#maxlength' = 60, '#default_value' = $node-middle_name ); $form['authorset']['suffix_name'] = array( '#type' = 'textfield', '#title' = t('Suffix Name'), '#maxlength' = 14, '#default_value' = $node-suffix_name ); $form['authorset']['body_filter']['body'] = array( '#access' = user_access('create pd_recluse entries'), '#type' = 'textarea', '#title' = 'Describe Author', '#default_value' = $node-body, '#required' = FALSE, '#weight' = -19 ); $form['status'] = array( '#type' = 'hidden', '#default_value' = '1' ); $form['promote'] = array( '#type' = 'hidden', '#default_value' = '1' ); $form['name'] = array( '#type' = 'hidden', '#default_value' = $user-name ); $form['format'] = array( '#type' = 'hidden', '#default_value' = '1' ); // NOTE in node_example there is some addition code here not needed for this simple node-type $thepath='milan/author'; if($_REQUEST["theletter"]) { $thepath .= "/" . $_REQUEST["theletter"]; } if($node['language']) { $thepath='milan/authorajaxclose'; $form['qqq'] = array( '#type' = 'hidden', '#default_value' = '1' ); } $form['#redirect'] = $thepath; return $form; } That menu path coincides with this theme (PHPTemplate)

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  • @NamedQuery select parameter meaning

    - by sergionni
    Found some examples of @NamedQuery annotations,e.g.: @NamedQuery(name="employeeBySsn" query="select e from Employee e where e.ssn = :ssn") what does parameter e mean? the second usage of it seems like alias name of table and what does "select e" part mean?

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  • RRAS Problem routing to central site from RRAS server only?

    - by TomTom
    Given is an office connected to headquarters using a RRAS bridge (2 virtual machines using RRAS to route between the two networks). Naming: The office is A, the RRAS on A is a-lnk. THe headquartters is B, b-lnk the RRAS machine there. The VPN works perfectly - machines can ping and work between the sites. Domain controllers on both ends replicating, DFS working, remote desktop working. All in all... everything is fine. EXCEPT: a-lnk itself can not reach any machine in B. This would normally not be troublesome (noone ever does anything on a-lnk), but there are two exceptions: * a-lnk is supposed to get it's license from a KMS in B, so not being able to reach B means it is not prolonging. * a-lnk is supposed to pull updates from a WSUS in B - and not being able to reach B means - no updates. Given that thigns work (and security is a minor issue - A-lnk is not reachable from the internet as it is behing a NAT hardware anyway) this got not handled for months. I just wan to get this item ticked off now. Anyone an idea what this is? It definitely is not a "dns does not work" or "routing in general is bad" item, as any computer in A can connect to any computer in B, and the other way arount - only the RRAS computer itself seems to do something really awkward. Platform for both: 2008 R2 standard.

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  • Apache (Solaris 10): 2 symlinks to the same file, one works the other doesn't

    - by justcatchingrye
    I'm seeing a strange issue with Apache I have a system that pulls a configuration file from a web server. I want to use a symlink with the name 'ocds-dpsarch01a.rules'. This doesn't work. However, if I change one character in that name and link it to the same file, it works - See below I can't think of any reason why one symlink would work when another doesn't? I would have thought either the Apache configuration is right and all symlinks work, or it isn't and no syslinks work(?) Any thoughts welcome ls -l /REMOVED/apache2/htdocs/rules/syslog/*cds-dpsarch01a.rules lrwxrwxrwx 1 root root 62 May 13 13:55 ocds-dpsarch01a.rules - /REMOVED/apache2/htdocs/templates/syslog/DCM_SST_DPST_01.rules lrwxrwxrwx 1 root root 62 May 13 13:52 xcds-dpsarch01a.rules - /REMOVED/apache2/htdocs/templates/syslog/DCM_SST_DPST_01.rules 1) Application starting and successfully reading configuration from the web server 13/05/2010 13:56:37: Information: Connecting ... 13/05/2010 13:56:37: Debug: Reading REMOVED:// REMOVED /rules/syslog/xcds-dpsarch01a.rules 13/05/2010 13:56:37: Debug: HTTP response: HTTP/1.1 200 OK Date: Thu, 13 May 2010 13:56:34 GMT Server: Apache Last-Modified: Fri, 09 Apr 2010 12:28:26 GMT ETag: "5073-a744-ee92ae80" Accept-Ranges: bytes Content-Length: 42820 Cache-Control: max-age=5 Expires: Thu, 13 May 2010 13:56:39 GMT NL7C-Filtered: Content-Type: text/plain Connection: close 13/05/2010 13:56:37: Debug: Plain text rules file detected. 2) Application starting and failing to read configuration from the web server 13/05/2010 13:56:55: Information: Connecting ... 13/05/2010 13:56:55: Debug: Reading REMOVED :// REMOVED /rules/syslog/ocds-dpsarch01a.rules 13/05/2010 13:56:55: Debug: HTTP response: HTTP/1.1 403 Forbidden Date: Wed, 12 May 2010 15:25:11 GMT Server: Apache Vary: accept-language,accept-charset Accept-Ranges: bytes Connection: close Content-Type: text/html; charset=iso-8859-1 Content-Language: en Expires: Wed, 12 May 2010 15:25:11 GMT 13/05/2010 13:56:55: Error: HTTP: HTTP/1.1 403 Forbidden Date: Wed, 12 May 2010 15:25:11 GMT Server: Apache Vary: accept-language,accept-charset Accept-Ranges: bytes Connection: close Content-Type: text/html; charset=iso-8859-1 Content-Language: en Expires: Wed, 12 May 2010 15:25:11 GMT 13/05/2010 13:56:55: Error: HTTP GET failed 13/05/2010 13:56:55: Error: Failed to open Rules file: REMOVED :// REMOVED /rules/syslog/ocds-dpsarch01a.rules

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