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Articles indexed Tuesday March 30 2010

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  • Lazy-loading with Spring HibernateDaoSupport ?

    - by umanga
    Greetings I am developing a non-webapplication using Spring+Hibernate. My question is how the HibernateDaoSupport handles lazy-loading , because after a call do DAO , the Session is closed. Take a look at following psuedo-code: DAO is like: CommonDao extends HibernateDaoSupport{ Family getFamilyById(String id); SubFamily getSubFamily(String familyid,String subfamilyid); } Domain model is like: Family{ private List<SubFamily> subfamiles; public List<SubFamily> getSubFamiles(); } SubFamily{ private Family family; public Family getFamily(); } In the application I get DAO from app-context and want to following operations.Is this possible to do with lazy-loading because AFAIK after every method (getFamilyById() , getSubFamily() ) the session is closed. CommonDAO dao=//get bean from application context; Family famA=dao.getFamilyById(familyid); // //Do some stuff List<SubFamily> childrenA=fam.getSubFamiles(); SubFamily asubfamily=dao.getSubFamily(id,subfamilyid); // //Do some other stuff Family famB=asubfamily.getFamily();

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  • How to decode a JSON String

    - by ilnur777
    Hi, everybody! Could I ask you to help me to decode this JSON code: $json = '{"inbox":[{"from":"55512351","date":"29\/03\/2010","time":"21:24:10","utcOffsetSeconds":3600,"recipients":[{"address":"55512351","name":"55512351","deliveryStatus":"notRequested"}],"body":"This is message text."},{"from":"55512351","date":"29\/03\/2010","time":"21:24:12","utcOffsetSeconds":3600,"recipients":[{"address":"55512351","name":"55512351","deliveryStatus":"notRequested"}],"body":"This is message text."},{"from":"55512351","date":"29\/03\/2010","time":"21:24:13","utcOffsetSeconds":3600,"recipients":[{"address":"55512351","name":"55512351","deliveryStatus":"notRequested"}],"body":"This is message text."},{"from":"55512351","date":"29\/03\/2010","time":"21:24:13","utcOffsetSeconds":3600,"recipients":[{"address":"55512351","name":"55512351","deliveryStatus":"notRequested"}],"body":"This is message text."}]}'; I would like to organize above structure to this: Note 1: Folder: inbox From (from): ... Date (date): ... Time (time): ... utcOffsetSeconds: ... Recepient (address): ... Recepient (name): ... Status (deliveryStatus): ... Text (body): ... Note 2: ... Thank you in advance!

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  • Store in sharedPreferences

    - by klaus-vlad
    Hi, I have some things in my app that I need to store, in order to have it available the next time I open the application. I wonder if I could save them using the sharedPreferences mechanism even if I don't have any "view" associated with them ! .If this is possible please let me know, if not, what would you suggest instead ?

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  • ubuntu programming

    - by Apache
    hi experts, i start learning using ubuntu 9.10 OS, if i want to retrieve all available wifi on ubuntu, how this can be done programitcally, can anyone give example please, thanks

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  • How to restrict operations to certain lines?

    - by Ayman
    I have to work on some relatively huge code files in vim. How do I restrict some operations like find-next normal-n and others to a certain function / block? How would I visually know if I'm within that block or outside it? Looking and line numbers seems awkward, specially that the line numbers I need to work with are generally 5 digits long!

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  • How to know when StatusBar size changed (iPhone)

    - by JOM
    I have UITabBarController with 2 tabs. One resizes just fine, when StatusBar size changes (emulator "Toggle In-Call Status Bar" menu item). The other one doesn't. The problematic tab item contains a static view, which dynamically loads one or another view depending on certain things. While getting this setup working I discovered that main tab view did NOT automagically send e.g. viewWillAppear and viewWillDisappear messages to my dynamic subviews. Apple docs explained this was because dynamically added views were not recognized by the system. @interface MyTabViewController : UIViewController { UIView *mainView; FirstViewController *aController; SecondViewController *bController; } ... if (index == 0) { self.aController = [[FirstViewController alloc] initWithNibName:@"FirstViewController" bundle:nil]; [self.mainView addSubview:aController.view]; [self.aController viewWillAppear:YES]; } How can I get StatusBar size changed event into my dynamic subviews? The "didChangeStatusBarFrame" doesn't work, as documented elsewhere.

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  • How to use jQuery .each() - I get a value, but it's the wrong one

    - by Ankur
    I am returning a JSON object (as a String) through a servlet. The JSON object looks like this: {"3":"Martin Luther","30":"Boris Becker","32":"Joseph Goebels","19":"Leonardo Da Vinci","31":"Adolf Hitler"} My jQuery looks like this (the submission of data is correct because I get a proper looking result from the servlet): $.ajax( { type : "GET", url : "MyServlet", data : queryString + "count=" + variables, success : function(resultObj) { $.each(resultObj, function(key, value) { $("#resultCount").html(key+", "+value); }); } }); However when I try to print the results, that is the variables key and value, I get a number for the key but not a number from the JSONObject and an empty string instead of the value. Essentially the question is about how to "extract" the information from a JSON object.

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  • writing an Dynamic query in sqlserver

    - by prince23
    hi, DECLARE @sqlCommand varchar(1000) DECLARE @columnList varchar(75) DECLARE @city varchar(75) DECLARE @region varchar(75) SET @columnList = 'first_name, last_name, city' SET @city = '''London''' SET @region = '''South''' SET @sqlCommand = 'SELECT ' + @columnList + ' FROM dbo.employee WHERE City = ' + @city and 'region = '+@region --and 'region = '+@region print(@sqlCommand) EXEC (@sqlCommand) when i run this command i get an error Msg 156, Level 15, State 1, Line 8 Incorrect syntax near the keyword 'and'. and help would great thank you

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  • SVG -- Replacement for Flash application

    - by Vadi
    We are currently looking at developing flash based applications (using Flex) in a web application. We are now leaning towards to use SVG rapheljs for developing this components. The questions are: Is still SVG platform is widely adopted by browsers (without any plug-ins) are at least down the line of 8-10 months, any adoption is expected by browsers? Cross-browser support is god for us. Is SVG can replace for a small time animation based programming instead of Flash Any comments will be greatly appreciated...

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  • How to link pnglite library in c?

    - by zaplec
    Hi, I installed from kubuntu's package management this handy pnglite library. It contains just one header file "pnglite.h" and one object file "pnglite.o". I have found out where those files are, but I don't know how to link them. I'm using netbeans, but don't know how to link them in there. Also I don't understand how to link them at console. I have a little test program that I would like to test, but I get the error message "undefined reference to function: XXXXXXX". Both netbeans and at console I'm using gcc. That header file is in /usr/include directory, object file is in /usr/lib directory and my test program is under my programming directory at my home directory. Should I put that header and object into the same directory as where my source is? Or is there a way to link them from their current locations? I know that it should be possible to link them from where they are at the moment and I would like to know and understand how to do that. Any help will be appreciated :)

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  • HttpParsing for hypertext

    - by Nani
    I am in process of getting all hierarchical links from a given link and validating them; This is the code I wrote. But I am not feeling it as efficient. Reasons are: 1.For the non unique links which open same page, code is getting sub-links again and again 2.Is the code getting all links? 3.Is it making valid URLs from the sub-links it derived? 4.May be some other reasons about which I have no idea. Please suggest me how to make this piece of code efficient . Thank you. class Program { public static ArrayList sublink = new ArrayList(); public static ArrayList subtitle = new ArrayList(); public static int ini = 0, len_o, len_n, counter = 0; static void Main(string[] args) { // Address of URL string URL = "http://www.techonthenet.com/"; sublink.Add(URL); l: len_o = sublink.Count; len_o); Console.WriteLine("-------------Level:" + counter++); for (int i = ini; i < len_o; i++) test(sublink[i].ToString()); len_n = sublink.Count; if (len_o < len_n) { ini = len_o; goto l; } Console.ReadKey(); } //method to get the sub-links public static void test(string URL) { try { // Get HTML data WebClient client = new WebClient(); Stream data = client.OpenRead(URL); StreamReader reader = new StreamReader(data); string str = "", htmldata = "", temp; int n1, n2; str = reader.ReadLine(); while (str != null) { htmldata += str; str = reader.ReadLine(); } data.Close(); for (int i = 0; i < htmldata.Length - 5; i++) { if (htmldata.Substring(i, 5) == "href=") { n1 = htmldata.Substring(i + 6, htmldata.Length - (i + 6)).IndexOf("\""); temp = htmldata.Substring(i + 6, n1); if (temp.Length > 4 && temp.Substring(0, 4) != "http") { if(temp.Substring(0,1)!="/") temp=URL.Substring(0,URL.IndexOf(".com/")+5)+temp; else temp = URL.Substring(0, URL.IndexOf(".com/") + 5) + temp.Remove(0,1); } if (temp.Length < 4) temp = URL.Substring(0, URL.IndexOf(".com/") + 5) + temp; sublink.Add(temp); n2 = htmldata.Substring(i + n1 + 1, htmldata.Length - (i + n1 + 1)).IndexOf("<"); subtitle.Add(htmldata.Substring(i + 6 + n1 + 2, n2 - 7)); i += temp.Length + htmldata.Substring(i + 6 + n1 + 2, n2 - 7).Length; } } for (int i = len_n; i < sublink.Count; i++) Console.WriteLine(i + "--> " + sublink[i]); } catch (WebException exp) { Console.WriteLine("URL Could not be Resolved" + URL); Console.WriteLine(exp.Message, "Exception"); } } }

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  • HttpModule with ASP.NET MVC not being called

    - by mgroves
    I am trying to implement a session-per-request pattern in an ASP.NET MVC 2 Preview 1 application, and I've implemented an IHttpModule to help me do this: public class SessionModule : IHttpModule { public void Init(HttpApplication context) { context.Response.Write("Init!"); context.EndRequest += context_EndRequest; } // ... etc... } And I've put this into the web.config: <system.web> <httpModules> <add name="SessionModule" type="MyNamespace.SessionModule" /> </httpModules> <system.webServer> <modules runAllManagedModulesForAllRequests="true"> <remove name="SessionModule" /> <add name="SessionModule" type="MyNamespace.SessionModule" /> </modules> However, "Init!" never gets written to the page (I'm using the built-in VS web server, Cassini). Additionally, I've tried putting breakpoints in the SessionModule but they never break. What am I missing?

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  • Code review - PHP syntax error unexpected $end

    - by dtufano
    Hey guys! I keep getting a syntax error (unexpected $end), and I've isolated it to this chunk of code. I can't for the life of me see any closure issues. It's probably something obvious but I'm going nutty trying to find it. Would appreciate an additional set of eyes. function generate_pagination( $base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE ) { global $lang; if ( $num_items == 0 ) { } else { $total_pages = ceil( $num_items / $per_page ); if ( $total_pages == 1 ) { return ""; } $on_page = floor( $start_item / $per_page ) + 1; $page_string = ""; if ( 8 < $total_pages ) { $init_page_max = 2 < $total_pages ? 2 : $total_pages; $i = 1; for ( ; $i < $init_page_max + 1; ++$i ) { $page_string .= $i == $on_page ? "<font face='verdana' size='2'><b>[{$i}]</b></font>" : "<a href=\"".$base_url."&amp;offset=".( $i - 1 ) * $per_page."\">{$i}</a>"; if ( $i < $init_page_max ) { $page_string .= ", "; } } if ( 2 < $total_pages ) { if ( 1 < $on_page && $on_page < $total_pages ) { $page_string .= 4 < $on_page ? " ... " : ", "; $init_page_min = 3 < $on_page ? $on_page : 4; $init_page_max = $on_page < $total_pages - 3 ? $on_page : $total_pages - 3; $i = $init_page_min - 1; for ( ; $i < $init_page_max + 2; ++$i ) { $page_string .= $i == $on_page ? "<font face='verdana' size='2'><b>[{$i}]</b></font>" : "<a href=\"".$base_url."&amp;offset=".( $i - 1 ) * $per_page."\">{$i}</a>"; if ( $i < $init_page_max + 1 ) { $page_string .= ", "; } } $page_string .= $on_page < $total_pages - 3 ? " ... " : ", "; } else { $page_string .= " ... "; } $i = $total_pages - 1; for ( ; $i < $total_pages + 1; ++$i ) { $page_string .= $i == $on_page ? "<font face='verdana' size='2'><b>[{$i}]</b></font>" : "<a href=\"".$base_url."&amp;offset=".( $i - 1 ) * $per_page."\">{$i}</a>"; if ( $i < $total_pages ) { $page_string .= ", "; } } continue; } } else { do { $i = 1; for ( ; $i < $total_pages + 1; ++$i) { $page_string .= $i == $on_page ? "<font face='verdana' size='2'><b>[{$i}]</b></font>" : "<a href=\"".$base_url."&amp;offset=".( $i - 1 ) * $per_page."\">{$i}</a>"; if ( $i < $total_pages ) { $page_string .= ", "; break; } } } while (0); if ( 1 < $on_page ) { $page_string = " <font size='2'><a href=\"".$base_url."&amp;offset=".( $on_page - 2 ) * $per_page."\">"."&laquo;"."</a></font>&nbsp;&nbsp;".$page_string; } if ( $on_page < $total_pages ) { $page_string .= "&nbsp;&nbsp;<font size='2'><a href=\"".$base_url."&amp;offset=".$on_page * $per_page."\">"."&raquo;"."</a></font>"; } $page_string = "Pages ({$total_pages}):"." ".$page_string; return $page_string; } }

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  • Binding elements when modal window loads from AJAX (jQuery)

    - by thinkswan
    I'd like to set up a drag'n'drop list inside a modal window. The window's content is loaded via an AJAX call, so I believe I need to use jQuery's .live() method. Here is my current code: $('#cboxLoadedContent').live('load', function() { // Event for sortable page lists $('ul#pageList').sortable(); }); How can I set up bindings when the modal window loads? The modal window comes from the colorbox plugin. Note: I'm guessing that 'load' is not the right event to use, because if I throw a simple alert() in there, it doesn't even show up when the window loads.

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  • SQL Server: Statements vs. Batches vs. Transactions vs. Connections

    - by Sleepless
    My question is simple: What are the differences / similarities / cardinalities between Transactions Batches Connections and Statements in SQL Server? As far as I understand a connection is a single communications channel between a SQL Server instance and a client within which collections of statements grouped as batches are executed. A batch is either implicitly or explicitly mapped to one or several transactions. Is this correct?

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  • Running multiple services on Port 443, Tunnel SSH over HTTPS

    - by lajuette
    Situation: I want to tunnel SSH sessions through HTTPS. I have a very restrictive firewall/proxy which only allows HTTP, FTP and HTTPS traffic. What works: Setting up a tunnel through the proxy to a remote linux box that has a sshd listening at port 443 The problem: I have to have a web server (lighty) running at port 443. HTTPS traffic to other ports is forbidden by the proxy. Ideas so far: Set up a virtual host and proxy all incoming requests to localhost: (e.g. 22) $HTTP["host"] == "tunnel.mylinux.box" { proxy.server = ( "" => (("host" => "127.0.0.1", "port" => 22)) ) } Unfortunately this won't work. Am i doing something wrong, or is there a reason, that this won't work?

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  • How to configure Remote desktop on window server 2008 R2?

    - by Abdullah BaMusa
    I’m trying to connect over internet to my home workstation which has Windows Server 2008 R2 (Web Edition) installed from my PC at work (Windows 7 installed on it) via Remote Desktop. I configure the workstation to accept remote desktop and I can connect to it from my laptop if I’m within same Home LAN but I can’t establish the connection from my PC at work . My question is: Is possible to connect to my workstation over internet using remote desktop? Is there any step by step resource the setup this feature?

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  • GWT: Best practice for unit testing / mocking JSNI methods?

    - by Epaga
    I have a class which uses JSNI to retrieve JSON data stored in the host page: protected native JsArray<JsonModel> getModels() /*-{ return $wnd.jsonData; }-*/; This method is called, and the data is then translated and process in a different method. How should I unit test this class, since I'm not able to instantiate (or seemingly mock?) JsArray? What is the best way to unit test JSNI methods at all?

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  • Save scrollbar Div, in a MasterPage

    - by Luis
    have got succesfull done it in the content pages, but in the masterpage, I am not able to done it. I tried this way, it was like I did for content pages. <script type="text/javascript"> // This Script is used to maintain Grid Scroll on Partial Postback var scrollTop; //Register Begin Request and End Request Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(BeginRequestHandler); Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler); //Get The Div Scroll Position function BeginRequestHandler(sender, args) { var m = document.getElementById('<%=PanelMenuLeft.ClientID%>'); m.scrollTop = scrollTop; } //Set The Div Scroll Position function EndRequestHandler(sender, args) { var m = document.getElementById('<%=PanelMenuLeft.ClientID%>'); m.scrollTop = scrollTop; } </script>

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  • Hibernate criteria -- alias

    - by Ignace
    Hello, I'm struggling a bit with the concept of alias in Hibernate. My situation is the following: Order @OneToMany(cascade=CascadeType.ALL,mappedBy="m_order") private Set<OrderDetail> m_details; OrderDetail @ManyToOne(cascade=CascadeType.ALL) @JoinColumn(name="product_id") private Product m_product; @ManyToOne(cascade=CascadeType.ALL) @JoinColumn(name="order_id") private Order m_order; DAO c.createAlias("m_details", "detail").createCriteria("detail.m_product").add(Expression.idEq(productId)); So I want to search every order that contains a product. However, with this query it keeps returning 0 orders and I don't really see what I'm doing wrong. Thanks!

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