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Articles indexed in March 2010

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  • How to hide the outer scroll bar in IE?

    - by user198729
    Live demo: http://222.73.204.65:81/stumbleupon.html This works in firefox,but in IE there will be two scrollbars,making it ugly: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Stumbleupon</title> </head> <style type="text/css"> div.webtoolbar { -moz-background-clip:border; -moz-background-inline-policy:continuous; -moz-background-origin:padding; background:transparent url(http://cdn.stumble-upon.com/i/toolbar/bgToolbar.gif) repeat-x scroll 0 0; border-top:1px solid #000000; height:33px; min-width:760px; overflow:hidden; position:absolute; top:0; width:100%; z-index:3; } </style> <body style="margin: 0pt; padding: 0pt; overflow: hidden; height: 100%;"> <iframe id="stumbleFrame" frameborder="0" noresize="noresize" src="http://www.livescience.com/animals/green-slug-animal-plant-100112.html" name="stumbleContent" style="position: absolute; background: transparent; width: 100%; height:100%; top: 0; padding: 32px 0; z-index: 1;"></iframe> <div class="webtoolbar">menus here</div> </body> </html>

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  • Java: Best practices for turning foreign horror-code into clean API...?

    - by java.is.for.desktop
    Hello, everyone! I have a project (related to graph algorithms). It is written by someone else. The code is horrible: public fields, no getters/setters huge methods, all public some classes have over 20 fields some classes have over 5 constructors (which are also huge) some of those constructors just left many fields null (so I can't make some fields final, because then every second constructor signals errors) methods and classes rely on each other in both directions I have to rewrite this into a clean and understandable API. Problem is: I myself don't understand anything in this code. Please give me hints on analyzing and understanding such code. I was thinking, perhaps, there are tools which perform static code analysis and give me call graphs and things like this.

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  • LaTeX: Unnumbered section in header of document

    - by Soren M
    I have a document where I want to place an unnumbered section in my header. I use the fancyhdr package, and for a numbered section, I would had done something like this: \lhead{\leftmark} But this don't work with unnumbered sections. I'm solving math-problems in my document, so I don't want part-sections and numbered sections Anyone, who knows, how this is done?

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  • wxOSX/Carbon: wxGLCanvas mouse offset in non-floating window classes

    - by srose
    Hi All, I mainly program plugins using wxWidgets within a Carbon bundle which is loaded at runtime. The host-applications where my plugins are running in provide a native window handle (WindowRef), which I can use to add my custom, wxWidgets-based GUI-classes. To use the native window handle with wxWidgets classes I had to write a wxTopLevelWindow wrapper class, which does all the WindowRef encapsulation. So far, this works pretty well, but under some circumstances I got vertical mouse offsets within a wxGLCanvas if the window class of the native window handle is not of the type "kFloatingWindowClass". I am able to bypass the problem if I display an info panel (wxPanel) over the whole wxGlCanvas and if the user hides the info panel then the mouse offset is gone. Now my questions: Is there a "simple" explanation for this behaviour? Is it possible to use certain method calls to imitate info panel effect without using the panel itself? I tried several combinations of Update() and Refresh() calls of all involved components, but none of them worked so far. Even the use of wxSizer couldn't help here. Window hierarchy used by plugin-applications: wxCustomTopLevelWindow (WindowRef provided by host-application) wxPanel (parent window for all application panel) wxPanel (application info panel) wxPanel (application main panel) wxPanel (opengl main panel) wxGlCanvas (main opengl canvas) Any ideas? Any help is very appreciated.

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  • Network-Backup-Software with file versioning and web-interface

    - by dlang
    Dear All! I would like to backup our business-data to a remote backup-server. We would like to set-up our own backup-server running on any operating system (windows appreciated) which comes with a web-interface, that enables to restore individual versions of one file. Because budget is limited, an open-source software or at least a cheap software is a must! Unfortunately I couldn't find even a single software, which fulfills the requirements of file versioning and web-interface for single file-restore. Do any of you have already set-up such a system? Best regards, Daniel Lang

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  • iptables: matching multiple ip addresses

    - by Tax
    Hi guys, I am working on a iptables rule to apply after my shorewall script has initialized my firewall. I want a spicific IP (10.0.1.19) address in my lan to be redirected to 10.0.64.1 except if it is going to paypal. I have the following rule, and that works like a charm iptables -t nat -A PREROUTING ! -d 1.2.3.4 -s 10.0.1.19 -j DNAT --to 10.0.64.1 My problem is that paypal uses multiple ip addresses, and I am not allowed to have multiple IP-addresses. https://ppmts.custhelp.com/cgi-bin/ppdts.cfg/php/enduser/std%5Fadp.php?p%5Ffaqid=92 On top of this problem I would like to know how to remove the rule again, without having to restart shorewall. Kind regards Tax

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  • I tried changing my folder icon in windows XP and now whenever I click a folder it opens in a new wi

    - by widgisoft
    On some random afternoon I figured I could do better than the boring yellow icon; After a vain attempt at trying to change it to no avail I realised that now whenever I open a folder it opens in a "search" window. This happened because when I go to the "(file folder)" type, the only option in there is "find" that is not supposed to be the default; upon saving this form XP tries to do me a favour and sets this as the new default. Now whenever I try to click a folder it opens the search window. great.

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  • SAS instead of SATA 2 for my hard drives?

    - by jasondavis
    I am building a new system soon, I will have multiple 1-2tb hard drives for storage in it. I only have experience uasing the sataII drives but I saw somewhere that I should be using something like SAS? I read that if I were going to have 20 drives that I could use 4 SAS cables vs 20 SATA cables. Can someone help me understand this better? If it were only 4 cables then how would 20 drives hook up? Also can a regualr sata2 drive hook up to that?

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  • Win C#: Refresh Windows Explorer in Win7

    - by Paja
    Hello, My program sets "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" value "Hidden". Hovewer I'm not able to refresh the explorer to take into account this change. I've tried: 1) SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero); 2) SHELLSTATE state = new SHELLSTATE(); state.fShowAllObjects = (uint)1; SHGetSetSettings(ref state, SSF.SSF_SHOWALLOBJECTS, true); 3) SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETNONCLIENTMETRICS, 0, SMTO_ABORTIFHUNG, 5000, ref dwResult); 4) SendMessage(HWND_BROADCAST, WM_COMMAND, 28931 /* Refresh */, 0); Nothing works. So what should I do? If I refresh Explorer myself with F5, then it works. Hovewer I would like some elegant solution, so it would refresh the display everywhere, even in OpenFile/SaveFile dialogs, which are currently open. I'm using C# .NET, Win7. Thank you.

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  • django admin - adding fields on the fly

    - by Thomas
    Basically I am writing a simple shopping cart. Each item can have multiple prices. (i.e. shirts where each size is priced differently). I would like to have a single price field in my admin panel, where when the first price is entered, an additional price field pops up. However I am kind of at a loss as to how to do this. What would be the best way to do this?

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  • Appending HTML to end of body using javascript

    - by ming yeow
    here is the deal. i have several templates for faceboxes (lightbox) i need at different points of the application. these are stored in different partials and files. i will initialize different javascript functions in accordance to which ones i need. The question is, what is the best way to append the external HTML page into my body using javascript?

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  • multiple stateful iframes per page will overwrite JSESSIONID?

    - by Nikita
    Hello, Looking for someone to either confirm or refute my theory that deploying two iframes pointing to two different stateful pages on the same domain can lead to JSESSIONIDs being overwritten. Here's what I mean: Setup suppose you have two pages that require HttpSession state (session affinity) to function correctly - deployed at http://www.foo.com/page1 and http://www.foo.com/page2 assume www.foo.com is a single host running a Tomcat (6.0.20, fwiw) that uses JSESSIONID for session id's. suppose these pages are turned into two iframe widgets to be embedded on 3rd party sites: http://www.site.com/page1" / (and /page2 respectively) suppose there a 3rd party site that wishes to place both widgets on the same page at http://www.bar.com/foowidgets.html Can the following race condition occur? a new visitor goes to http://www.bar.com/foowidgets.html browser starts loading URLs in foowidgets.html including the two iframe 'src' URLs because browsers open multiple concurrent connections against the same host (afaik up to 6 in chrome/ff case) the browser happens to simultaneously issue requests for http://www.foo.com/page1 and http://www.foo.com/page2 The tomcat @ foo.com receives both requests at about the same time, calls getSession() for the first time (on two different threads) and lazily creates two HttpSessions and, thus, two JSESSIONIDs, with values $Page1 and $Page2. The requests also stuff data into respective sessions (that data will be required to process subsequent requests) assume that the browser first receives response to the page1 request. Browser sets cookie JSESSIONID=$Page1 for HOST www.foo.com next response to the page2 request is received and the browser overwrites cookie JSESSIONID for HOST www.foo.com with $Page2 user clicks on something in 'page1' iframe on foowidgets.html; browser issues 2nd request to http://www.foo.com/page1?action=doSomethingStateful. That request carries JSESSIONID=$Page2 (and not $Page1 - because cookie value was overwritten) when foo.com receives this request it looks up the wrong HttpSession instance (because JSESSIONID key is $Page2 and NOT $Page1). Foobar! Can the above happen? I think so, but would appreciate a confirmation. If the above is clearly possible, what are some solutions given that we'd like to support multiple iframes per page? We don't have a firm need for the iframes to share the same HttpSession, though that would be nice. In the event that the solution will still stipulate a separate HttpSession per iframe, it is - of course - mandatory that iframe 1 does not end up referencing httpSession state for iframe 2 instead of own. off top of my head I can think of: map page1 and page2 to different domains (ops overhead) use URL rewriting and never cookies (messes up analytics) anything else? thanks a lot, -nikita

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  • Returning Arrays from .net web service to Java ME web service results in compile error of stub?

    - by sphereinabox
    So, I'm getting some compile errors on netbeans 6.5 generated web service code for a java ME client to a c# (vs2005) web service. I've trimmed my example significantly, and it still shows the problem, and not being able to return a collection of things is pretty much a deal-breaker. c# web service (SimpleWebService.asmx) <%@ WebService Language="C#" Class="SimpleWebService" %> using System; using System.Web; using System.Web.Services; using System.Web.Services.Protocols; [WebService(Namespace = "http://sphereinabox.com/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class SimpleWebService : System.Web.Services.WebService { [WebMethod] public CustomType[] GetSomething() { return new CustomType[] {new CustomType("hi"), new CustomType("bye")}; } public class CustomType { public string Name; public CustomType(string _name) { Name = _name; } public CustomType() { } } } WSDL (automatically generated by vs2005): <?xml version="1.0" encoding="utf-8"?> <wsdl:definitions xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:tns="http://sphereinabox.com/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tm="http://microsoft.com/wsdl/mime/textMatching/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" targetNamespace="http://sphereinabox.com/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"> <wsdl:types> <s:schema elementFormDefault="qualified" targetNamespace="http://sphereinabox.com/"> <s:element name="GetSomething"> <s:complexType /> </s:element> <s:element name="GetSomethingResponse"> <s:complexType> <s:sequence> <s:element minOccurs="0" maxOccurs="1" name="GetSomethingResult" type="tns:ArrayOfCustomType" /> </s:sequence> </s:complexType> </s:element> <s:complexType name="ArrayOfCustomType"> <s:sequence> <s:element minOccurs="0" maxOccurs="unbounded" name="CustomType" nillable="true" type="tns:CustomType" /> </s:sequence> </s:complexType> <s:complexType name="CustomType"> <s:sequence> <s:element minOccurs="0" maxOccurs="1" name="Name" type="s:string" /> </s:sequence> </s:complexType> </s:schema> </wsdl:types> <wsdl:message name="GetSomethingSoapIn"> <wsdl:part name="parameters" element="tns:GetSomething" /> </wsdl:message> <wsdl:message name="GetSomethingSoapOut"> <wsdl:part name="parameters" element="tns:GetSomethingResponse" /> </wsdl:message> <wsdl:portType name="SimpleWebServiceSoap"> <wsdl:operation name="GetSomething"> <wsdl:input message="tns:GetSomethingSoapIn" /> <wsdl:output message="tns:GetSomethingSoapOut" /> </wsdl:operation> </wsdl:portType> <wsdl:binding name="SimpleWebServiceSoap" type="tns:SimpleWebServiceSoap"> <soap:binding transport="http://schemas.xmlsoap.org/soap/http" /> <wsdl:operation name="GetSomething"> <soap:operation soapAction="http://sphereinabox.com/GetSomething" style="document" /> <wsdl:input> <soap:body use="literal" /> </wsdl:input> <wsdl:output> <soap:body use="literal" /> </wsdl:output> </wsdl:operation> </wsdl:binding> <wsdl:binding name="SimpleWebServiceSoap12" type="tns:SimpleWebServiceSoap"> <soap12:binding transport="http://schemas.xmlsoap.org/soap/http" /> <wsdl:operation name="GetSomething"> <soap12:operation soapAction="http://sphereinabox.com/GetSomething" style="document" /> <wsdl:input> <soap12:body use="literal" /> </wsdl:input> <wsdl:output> <soap12:body use="literal" /> </wsdl:output> </wsdl:operation> </wsdl:binding> <wsdl:service name="SimpleWebService"> <wsdl:port name="SimpleWebServiceSoap" binding="tns:SimpleWebServiceSoap"> <soap:address location="http://localhost/SimpleWebService/SimpleWebService.asmx" /> </wsdl:port> <wsdl:port name="SimpleWebServiceSoap12" binding="tns:SimpleWebServiceSoap12"> <soap12:address location="http://localhost/SimpleWebService/SimpleWebService.asmx" /> </wsdl:port> </wsdl:service> </wsdl:definitions> Generated (netbeans) code that fails to compile, this was created going through the "Add - New JavaME to Web Services Client" wizard. (SimpleWebService_Stub.java) public ArrayOfCustomType GetSomething() throws java.rmi.RemoteException { Object inputObject[] = new Object[] { }; Operation op = Operation.newInstance( _qname_operation_GetSomething, _type_GetSomething, _type_GetSomethingResponse ); _prepOperation( op ); op.setProperty( Operation.SOAPACTION_URI_PROPERTY, "http://sphereinabox.com/GetSomething" ); Object resultObj; try { resultObj = op.invoke( inputObject ); } catch( JAXRPCException e ) { Throwable cause = e.getLinkedCause(); if( cause instanceof java.rmi.RemoteException ) { throw (java.rmi.RemoteException) cause; } throw e; } //////// Error on next line, symbol ArrayOfCustomType_fromObject not defined return ArrayOfCustomType_fromObject((Object[])((Object[]) resultObj)[0]); } it turns out with this contrived example (the "CustomType" in my production problem has more than one field) I also get errors from this fun code in the same generated (SimpleWebService_Stub.java) generated code. The errors are that string isn't defined (it's String in java, and besides I think this should be talking about CustomType anyway). private static string string_fromObject( Object obj[] ) { if(obj == null) return null; string result = new string(); return result; }

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  • Why isn't my WPF Datagrid showing data?

    - by Edward Tanguay
    This walkthrough says you can create a WPF datagrid in one line but doesn't give a full example. So I created an example using a generic list and connected it to the WPF datagrid, but it doesn't show any data. What do I need to change on the code below to get it to show data in the datagrid? ANSWER: This code works now: XAML: <Window x:Class="TestDatagrid345.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:toolkit="http://schemas.microsoft.com/wpf/2008/toolkit" xmlns:local="clr-namespace:TestDatagrid345" Title="Window1" Height="300" Width="300" Loaded="Window_Loaded"> <StackPanel> <toolkit:DataGrid ItemsSource="{Binding}"/> </StackPanel> </Window> Code Behind: using System.Collections.Generic; using System.Windows; namespace TestDatagrid345 { public partial class Window1 : Window { private List<Customer> _customers = new List<Customer>(); public List<Customer> Customers { get { return _customers; }} public Window1() { InitializeComponent(); } private void Window_Loaded(object sender, RoutedEventArgs e) { DataContext = Customers; Customers.Add(new Customer { FirstName = "Tom", LastName = "Jones" }); Customers.Add(new Customer { FirstName = "Joe", LastName = "Thompson" }); Customers.Add(new Customer { FirstName = "Jill", LastName = "Smith" }); } } }

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  • idioms for returning multiple values in shell scripting

    - by Wang
    Are there any idioms for returning multiple values from a bash function within a script? http://tldp.org/LDP/abs/html/assortedtips.html describes how to echo multiple values and process the results (e.g., example 35-17), but that gets tricky if some of the returned values are strings with spaces in. A more structured way to return would be to assign to global variables, like foo () { FOO_RV1="bob" FOO_RV2="bill" } foo echo "foo returned ${FOO_RV1} and ${FOO_RV2}" I realize that if I need re-entrancy in a shell script I'm probably doing it wrong, but I still feel very uncomfortable throwing global variables around just to hold return values. Is there a better way? I would prefer portability, but it's probably not a real limitation if I have to specify #!/bin/bash.

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