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  • How To Avoid a Perl script calling an Another Perl Script

    - by rockyurock
    Hello, i am calling a perl script client.pl from a main script to capture the output of client.pl in @output. is there anyway to avoid the use of these two files so i can use the output of client.pl in main.pl itself here is my code.... main.pl ======= my @output = readpipe("client.pl"); client.pl ========= #! /usr/bin/perl -w #use strict; use Socket; #initialize host and port my $host = shift || $FTP_SERVER; my $port = shift || $CLIENT_PORT; my $proto = getprotobyname('tcp'); #get the port address my $iaddr = inet_aton($host); my $paddr = sockaddr_in($port, $iaddr); #create the socket, connect to the port socket(SOCKET, PF_INET, SOCK_STREAM, $proto)or die "socket: $!\n"; connect(SOCKET, $paddr) or die "connect: $!\n"; my $line; while ($line = ) { print "$line\n"; } close SOCKET or die "close: $!"; /rocky..

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  • WinForms (C#) Databinding Object to Checkbox.Checked Property

    - by Trevor Sullivan
    Hello, I'm writing a WinForms app, and am trying to bind a boolean property on a .NET object to a Checkbox's "checked" property. I am successfully creating the binding, but when I change the source property's value from false to true (I have a button that toggles it), the checkbox's "checked" property does not reflect that change. if (chkPreRun.DataBindings["Checked"] == null) { Debug.WriteLine("Adding chkPreRun databinding"); Binding _binding = chkPreRun.DataBindings.Add("Checked", NwmConfig, "PreRun") // Added this just to ensure that these were being set properly _binding.DataSourceUpdateMode = DataSourceUpdateMode.OnPropertyChanged; _binding.ControlUpdateMode = ControlUpdateMode.OnPropertyChanged; } I am able to successfully bind the text property to the value of a TextBox, for example. I'm not sure what I'm missing while binding to the "Checked" property, however. Cheers, Trevor

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  • NotifyCollectionChangedAction.Add?

    - by Mark
    I'm getting this exception Constructor supports only the 'Reset' action. On the last line of this function public void Enqueue(TValue val, TPriority pri = default(TPriority)) { ++count; if (!dict.ContainsKey(pri)) dict[pri] = new Queue<TValue>(); dict[pri].Enqueue(val); OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add)); } I can guess how to fix it, but I don't understand what's causing it. I'm adding an item to my collection. Should I not be using the Add action?

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  • HTML5 localStorage restrictions and limits

    - by Chuck
    HTML5's localStorage databases are usually size-limited — standard sizes are 5 or 10 MB per domain. Can these limits be circumvented by subdomains (e.g. example.com, hack1.example.com and hack2.example.com all have their own 5 MB databases)? And is there anything in the standard that specifies whether parent domains can access their children's databases? I can't find anything, and I can see arguments for doing it either way, but it seems like there has to be some standard model.

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  • Detailed android activity lifecycle (onAttachedToWindow())

    - by Ralkie
    I'm interested in android activity lifecycle and I would like to get more detailed description/documentation/reference than widely available basic (onCreate-onStart-onResume) one. My need comes from realizing that starting new activity (Theme.Dialog styled) from onAttachedToWindow() greatly improves response time if comparing to starting it from onCreate(). I wonder how this onAttachedToWindow() fits into whole android activity lifecycle. Official API ref description "Called when the window has been attached to the window manager" doesn't help a lot.

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  • The ':' character, hexadecimal value 0x3A, cannot be included in a name

    - by coure06
    I have an xml file that contains its element like <ab:test>Str</ab:test> When i am trying to access it using the code XElement tempElement = doc.Descendants(XName.Get("ab:test")).FirstOrDefault(); Its giving me error System.Web.Services.Protocols.SoapException: Server was unable to process request. --- System.Xml.XmlException: The ':' character, hexadecimal value 0x3A, cannot be included in a name. How shld i access it?

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  • Slow loading jQuery Autocomplete

    - by Andrew G. Johnson
    Hi I am building an internal app for my company using jQuery's autocomplete and am finding it tends to start off very slow. My assumption is that the bottle neck is perhaps adding its elements to the DOM since after the first query it seems to be substantially speedier. Does anyone know of a way to pre-load these elements on page load instead of doing it for the first time when the user starts typing?

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  • How to upload web.config file using WebDAV on IIS7?

    - by Martin Liversage
    I want to copy an ASP.NET MVC website to a remote IIS 7 server using WebDAV. I have created a site in IIS, enabled WebDAV and assigned a special application pool I have named "WebDAV Application Pool". Using a Windows 7 or Vista client I'm able to mount the remote site as a network drive. So far, so good. However, I have problems uploading web.config files to the remote site. One problem is that as soon as a web.config has been uploaded it is used to configure the WebDAV site. The web.config file in a Views folder of a MVC project effectively blocks access to that folder. To work around this problem I have configured the application pool in the applicationHost.config file: <configuration> <applicationPools> <add name="WebDAV Application Pool" autoStart="true" enableConfigurationOverride="false" /> </applicationPools> </configuration> The interesting part is the 'enableConfigurationOverride` attribute: When true, indicates that delegated settings in Web.config files will processed for applications within this application pool. When false, all settings in Web.config files will be ignored for this application pool. Doing this makes it possible to upload a web.config file to the Views folder without breaking access to the folder. However, I'm still unable to upload a web.config file to the root folder. I have the following settings in the applicationHost.config file to ensure that request filtering doesn't interfere with WebDAV: <configuration> <location path="webdav.mysite.tld"> <system.webServer> <security> <requestFiltering> <fileExtensions applyToWebDAV="false" /> <verbs applyToWebDAV="false" /> <hiddenSegments applyToWebDAV="false" /> </requestFiltering> </security> </system.webServer> </location> </configuration> In particular hiddenSegments will normally block access to web.config but setting the applyToWebDAV attribute to false should ensure that this file isn't blocked when using WebDAV. Unfortunately, I'm still unable to copy my web.config file to the root folder of the site. Doing drag and drop in Windows Explorer to the mapped WebDAV network drive will result in the following error message: Error 0x80070057: The parameter is incorrect. On the wire it seems that the HTTP status 400 Bad Request is returned. Is there anything I can do to configure WebDAV on IIS 7 to avoid this problem?

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  • jQuery button click refresh of jqGrid only firing once

    - by The Matt
    I have the following jQuery code which I'm using to populate a jqGrid. It works perfectly posting to my ASP.NET MVC page on the first click of the button. My problem is, any other clicks past the first it seems to run through the jquery code when clicking the button but it never makes it to the POST page. Any ideas why? <script type="text/javascript"> $(document).ready(function() { $('#btnSubmit').click(function() { /* Refreshes the grid */ $("#list").jqGrid({ /* The controller action to get the grid data from */ url: '/CRA/AddPart', data: { partNumber: "123"}, datatype: 'json', mtype: 'GET', /* Define the headers on the grid */ colNames: ['col1', 'col2', 'col3', 'col4'], /* Define what fields the row columns come from */ colModel: [ { name: 'col1', index: 'invid', width: 290 }, { name: 'col2', index: 'invdate', width: 290 }, { name: 'col3', index: 'amount', width: 290, align: 'right' }, { name: 'col4', index: 'tax', width: 290, align: 'right'}], height: 'auto', rowNum: 10, rowList: [10, 20, 30], sortname: 'id', sortorder: "desc", viewrecords: true, imgpath: '../../Scripts/jgrid/themes/steel/images', caption: 'Core Return Authorization Contents:', cellEdit: true }); }); }); </script>

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  • How to diagnose cause, fix, or work around Adobe ActiveX / COM related error 0x80004005 progmaticall

    - by Streamline
    I've built a C# .NET app that uses the Adobe ActiveX control to display a PDF. It relies on a couple DLLs that get shipped with the application. These DLLs interact with the locally installed Adobe Acrobat or Adobe Acrobat Reader installed on the machine. This app is being used by some customer already and works great for nearly all users ( I check to see that the local machine is running at least version 9 of either Acrobat or Reader already ). I've found 3 cases where the app returns the error message "Error HRESULT E_FAIL has been returned from a call to a COM component" when trying to load (when the activex control is loading). I've checked one of these user's machines and he has Acrobat 9 installed and is using it frequently with no problems. It does appear that Acrobat 7 and 8 were installed at one time since there are entries for them in the registry along with Acrobat 9. I can't reproduce this problem locally, so I am not sure exactly which direction to go. The error at the top of the stacktrace is: System.Runtime.InteropServices.COMException (0x80004005): Error HRESULT E_FAIL has been returned from a call to a COM component. Some research into this error indicates it is a registry problem. Does anyone have a clue as to how to fix or work around this problem, or determine how to get to the core root of the problem? The full content of the error message is this: System.Runtime.InteropServices.COMException (0x80004005): Error HRESULT E_FAIL has been returned from a call to a COM component.    at System.Windows.Forms.UnsafeNativeMethods.CoCreateInstance(Guid& clsid, Object punkOuter, Int32 context, Guid& iid)    at System.Windows.Forms.AxHost.CreateWithoutLicense(Guid clsid)    at System.Windows.Forms.AxHost.CreateWithLicense(String license, Guid clsid)    at System.Windows.Forms.AxHost.CreateInstanceCore(Guid clsid)    at System.Windows.Forms.AxHost.CreateInstance()    at System.Windows.Forms.AxHost.GetOcxCreate()    at System.Windows.Forms.AxHost.TransitionUpTo(Int32 state)    at System.Windows.Forms.AxHost.CreateHandle()    at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)    at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)    at System.Windows.Forms.AxHost.EndInit()    at AcrobatChecker.Viewer.InitializeComponent()    at AcrobatChecker.Viewer..ctor()    at AcrobatChecker.Form1.btnViewer_Click(Object sender, EventArgs e)    at System.Windows.Forms.Control.OnClick(EventArgs e)    at System.Windows.Forms.Button.OnClick(EventArgs e)    at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)    at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)    at System.Windows.Forms.Control.WndProc(Message& m)    at System.Windows.Forms.ButtonBase.WndProc(Message& m)    at System.Windows.Forms.Button.WndProc(Message& m)    at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)    at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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  • Bluetooth -> service discovery failed

    - by Kaiser
    Hello, I'm writing an application which is able to communicate with my PC. I have used the Bluetooth functionalities of the SDK 2.1. I can find devices, get their MAC address, create a RFCOMM socket, but when I start the connection, I get the following error message : Service discovery failed. 1)Is it because of the UUID which is not the same on my application and on my PC ? 2)How can I get the correct UUID on my PC ? If I write a such application, is my Nexus one the client or the server ? Thanks a lot for your help !

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  • JSF: initial request and postback request?

    - by Harry Pham
    Please take a look at this below line of code in JSF <h:inputText id="name" value="#{customer.name}" /> Quote from java.sun.com For an initial request of the page containing this tag, the JavaServer Faces implementation evaluates the #{customer.name} expression during the render response phase of the lifecycle. During this phase, the expression merely accesses the value of name from the customer bean, as is done in immediate evaluation. For a postback request, the JavaServer Faces implementation evaluates the expression at different phases of the lifecycle, during which the value is retrieved from the request, validated, and propagated to the customer bean. I am not sure I understand initial request vs postback request. Does the client browser make two different request to the webserver?

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  • Jetty 7 + MySQL Config [java.lang.ClassNotFoundException: org.mortbay.jetty.webapp.WebAppContext]

    - by Scott Chang
    I've been trying to get a c3p0 db connection pool configured for Jetty, but I keep getting a ClassNotFoundException: 2010-03-14 19:32:12.028:WARN::Failed startup of context WebAppContext@fccada@fccada/phpMyAdmin,file:/usr/local/jetty/webapps/phpMyAdmin/,file:/usr/local/jetty/webapps/phpMyAdmin/ java.lang.ClassNotFoundException: org.mortbay.jetty.webapp.WebAppContext at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:313) at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:266) at org.eclipse.jetty.util.Loader.loadClass(Loader.java:90) at org.eclipse.jetty.xml.XmlConfiguration.nodeClass(XmlConfiguration.java:224) at org.eclipse.jetty.xml.XmlConfiguration.configure(XmlConfiguration.java:187) at org.eclipse.jetty.webapp.JettyWebXmlConfiguration.configure(JettyWebXmlConfiguration.java:77) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:975) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:586) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:349) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:165) at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:162) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:165) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:92) at org.eclipse.jetty.server.Server.doStart(Server.java:228) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:990) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:955) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.jetty.start.Main.invokeMain(Main.java:394) at org.eclipse.jetty.start.Main.start(Main.java:546) at org.eclipse.jetty.start.Main.parseCommandLine(Main.java:208) at org.eclipse.jetty.start.Main.main(Main.java:75) I'm new to Jetty and I want to ultimately get phpMyAdmin and WordPress to run on it through Quercus and a JDBC connection. Here are my web.xml and jetty-web.xml files in my WEB-INF directory. jetty-web.xml: <?xml version="1.0"?> <!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd"> <Configure class="org.mortbay.jetty.webapp.WebAppContext"> <New id="mysql" class="org.mortbay.jetty.plus.naming.Resource"> <Arg>jdbc/mysql</Arg> <Arg> <New class="com.mchange.v2.c3p0.ComboPooledDataSource"> <Set name="Url">jdbc:mysql://localhost:3306/mysql</Set> <Set name="User">user</Set> <Set name="Password">pw</Set> </New> </Arg> </New> </Configure> web.xml: <?xml version="1.0"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd"> <web-app> <description>Caucho Technology's PHP Implementation</description> <resource-ref> <description>My DataSource Reference</description> <res-ref-name>jdbc/mysql</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> <servlet> <servlet-name>Quercus Servlet</servlet-name> <servlet-class>com.caucho.quercus.servlet.QuercusServlet</servlet-class> <!-- Specifies the encoding Quercus should use to read in PHP scripts. --> <init-param> <param-name>script-encoding</param-name> <param-value>UTF-8</param-value> </init-param> <!-- Tells Quercus to use the following JDBC database and to ignore the arguments of mysql_connect(). --> <init-param> <param-name>database</param-name> <param-value>jdbc/mysql</param-value> </init-param> <init-param> <param-name>ini-file</param-name> <param-value>WEB-INF/php.ini</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>Quercus Servlet</servlet-name> <url-pattern>*.php</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.php</welcome-file> </welcome-file-list> </web-app> I'm guessing that I'm missing a few jars or something. Currently I have placed the following jars in my WEB-INF/lib directory: c3p0-0.9.1.2.jar commons-dbcp-1.4.jar commons-pool-1.5.4.jar mysql-connector-java-5.1.12-bin.jar I have also tried to put these jars in JETTY-HOME/lib/ext, but to no avail... Someone please tell me what is wrong with my configuration. I'm sick of digging through Jetty's crappy documentation.

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  • SetupAPI.DLL to HID.DLL

    - by lexdean
    With the SetupAPI.DLL I execute Function SetupDiGetClassDevs and get a pointer or handle Then Begin a loop Then I run Return = Function SetupDiEnumDeviceInterfaces with SP_DEVICE_INTERFACE_DATA.cbSize = 0 to get my size of what SP_DEVICE_INTERFACE_DATA needs to be Then I set size and execute again SP_DEVICE_INTERFACE_DATA.cbSize = return (the size) Function SetupDiEnumDeviceInterfaces From the data structures I get DevicePath from SP_DEVINFO_DATA And a heap of information from the registry if I want it I beleave What I’m realy wanting is to access the HID.DLL and call HidD_GetAttributes to get VendorID, ProductID, and VersionNumber To this Enumerated device, so I can ID the device. I expect this particular info would come from the USB device its self. Can any one show me how to do that. By the way in my version of windows XP I’m using the registry path, I cannot find HKEY_LOCAL_MACHINE\Enum\HID...\Class I do not even get HKEY_LOCAL_MACHINE\Enum\ I think this is because I have not executed the SetupDiEnumDeviceInterfaces Function Why? I find Lake View Research the only data that is in complete And does not cover this subject. Why is it all over the net when its junk???????? Thanks in advance, J Lex Dean.

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  • Django - How best to handle ValidationErrors after form.save(commit=False)

    - by orokusaki
    This is a fragment of my code from a view: if form.is_valid(): instance = form.save(commit=False) try: instance.account = request.account instance.full_clean() except ValidationError, e: # Do something with the errors here... I don't know what the best thing to do here is, but I certainly don't want to do it 180 times. This is an utter mess. Who would want to handle validation errors manually in every view. If you're not modifying the instance after save(commit=False), you don't have to worry about this, but what about in my case where every model has a foreign key to account which is set behind the scenes and hidden from the user? Any help is really appreciated.

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  • Problem printing google maps printing and using 'page-break-before' in IE8

    - by murdoch
    Hi, I'm having an annoying problem trying to get an html page with a google map on it to print correctly, I have a google map with an <h2> above it all wrapped in a div and the div is set to 'page-break-before:always;' in the css so that the map and its heading always sits on a new page. The problem is that in IE8 only i can always see a large portion of the map rendered on the previous page when printed, also the part of the map that is visible on the previous page is that which is outside the visible bounds of the map. HTML: <div id="description"> <h2>Description</h2> <p>Some paragraph of text</p> <p>Some paragraph of text</p> <p>Some paragraph of text</p> </div> <div id="map"> <h2>Location</h2> <div id="mapHolder"></div> <script type="text/javascript"> // ... javascript to create the google map </script> </div> CSS: #map { page-break-before:always; } Here is a screen grab of what it renders like in IE8 http://twitpic.com/1vtwrd It works fine in every other browser i have tried including IE7 so i'm a bit lost, has anyone any ideas of any tricks to stop this from happening?

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  • Trying to suppress StyleCop message SA1513:ClosingCurlyBracketMustBeFollowedByBlankLine

    - by mattruma
    I am trying to suppress the following StyleCop message for a specific property: SA1513: Statements or elements wrapped in curly brackets must be followed by a blank line. I am trying to do the following, but it doesn't seem to work: [SuppressMessage("Microsoft.StyleCop.CSharp.DocumentationRules", "SA1513:ClosingCurlyBracketMustBeFollowedByBlankLine", Justification = "There are no issues with this code")] public string CustomerId { get { return this.GetProperty(CustomerIdProperty); } set { if (this.IsNew) { this.SetProperty(CustomerIdProperty, value); } else { throw new ReadOnlyException("Id value can only be changed for a new record."); } } } Am I just doing something wrong? Or is this just not possible? It's a good rule, just not valid in my case for a property.

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  • Python Tkinter Tix: How to use ScrolledWindow with grid in Tix NoteBook

    - by Sano98
    Hi guys, I'm adding several widgets to a Frame which is located in a tix.NoteBook. When there are too much widgets to fit in the window, I want to use a scrollbar, so I put tix.ScrolledWindow inside that Frame and add my widgets to this ScrolledWindow instead. The problem is that when using the grid() geometry manager, the scrollbar appears, but it is not working (The drag bar occupies the whole scroll bar). from Tkinter import * import Tix class Window: def __init__(self, root): self.labelList = [] self.notebook = Tix.NoteBook(root, ipadx=3, ipady=3) self.notebook.add('sheet_1', label="Sheet 1", underline=0) self.notebook.add('sheet_2', label="Sheet 2", underline=0) self.notebook.add('sheet_3', label="Sheet 3", underline=0) self.notebook.pack() #self.notebook.grid(row=0, column=0) tab1=self.notebook.sheet_1 tab2=self.notebook.sheet_2 tab3=self.notebook.sheet_3 self.myMainContainer = Frame(tab1) self.myMainContainer.pack() #self.myMainContainer.grid(row=0, column=0) scrwin = Tix.ScrolledWindow(self.myMainContainer, scrollbar='y') scrwin.pack() #scrwin.grid(row=0, column=0) self.win = scrwin.window for i in range (100): self.labelList.append((Label(self.win))) self.labelList[-1].config(text= "Bla", relief = SUNKEN) self.labelList[-1].grid(row=i, column=0, sticky=W+E) root = Tix.Tk() myWindow = Window(root) root.mainloop() Whenever I change at least one of the geometry managers from pack() to grid(), the problem occurs. (Actually, I'd prefer using grid() for all containers.) When I don't use the NoteBook widget, the problem does not occur either. The other examples here all seem to rely on pack(). Any ideas? Many thanks, Sano

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  • Reducing WPF binding boilerplate with styles - updating the bindings themselves via styling?

    - by Eamon Nerbonne
    I'm still learning the WPF ropes, so if the following question is trivial or my approach wrong-headed, please do speak up... I'm trying to reduce boilerplate and it sounds like styles are a common way to do so. In particular: I've got a bunch of fairly mundane data-entry fields. The controls for these fields have various properties I'd like to set based on the target of the binding - pretty normal stuff. However, I'd also like to set properties of the binding itself in the style to avoid repetitiveness. For example: <TextBox Style="{StaticResource myStyle}"> <TextBox.Text> <Binding Path="..." Source="..." ValidatesOnDataErrors="True" ValidatesOnExceptions="True" UpdateSourceTrigger="PropertyChanged"> </Binding> </TextBox.Text> </TextBox> Now, is there any way to use styling - or some other technique to write the previous example somewhat like this: <TextBox Style="{StaticResource myStyle}" Text="{Binding Source=... Path=...}/> That is, is there any way to set all bindings that match a particular selection (here, on controls with the myStyle style) to validate data and to use a particular update trigger? Is it possible to template or style bindings themselves? Clearly, the second syntax is much, much shorter and more readable, and I'd love to be able to get rid of other similar boilerplate to keep my UI code comprehensible to myself :-).

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  • How should I escape strings in JSON?

    - by Bytecode Ninja
    When creating JSON data manually, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml, StringEscapeUtilities.escapeXml, or should I use java.net.URLEncoder? The problem is that when I use SEU.escapeHtml, it doesn't escape quotes and when I wrap the whole string in a pair of 's, a malformed JSON will be generated.

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  • Android: How to stretch an image to the screen width while maintaining aspect ratio?

    - by fredley
    I want to download an image (of unknown size, but which is always roughly square) and display it so that it fills the screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but not vertically, so it is squashed... ImageView mainImageView = new ImageView(context); mainImageView.setImageBitmap(mainImage); //downloaded from server mainImageView.setScaleType(ScaleType.FIT_XY); //mainImageView.setAdjustViewBounds(true); //with this line enabled, just scales image down addView(mainImageView,new LinearLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));

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  • WPF Commands firing via Keyboard shortcuts don't set the Command Parameter

    - by Aran Mulholland
    I have a command binding on the main form of my application. It is used to open details of the item that i am viewing. It has an associated keyboard shortcut. When i use the command in sub-forms i pass the object i want to open details for as a CommandParameter. This works if i attach the command to a button or a context menu, as i can specify the command parameter with a binding. However when the command is invoked as a result of a Keyboard shortcut i never get the chance to specify the parameter. How can i specify the command parameter at the sub-form level for a keyboard fired command. I need the CommandBinding with the CanExecute and Execute specified on the main form to globally handle all the open details events.

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  • Android - ExpandableListView change background for child items

    - by DroidIn.net
    I'm using ExpandableListView in my app and one of the complains I get from the users is that when the list item is expanded it's hard to visually distinguish where the child item ends and next group item begins. So I would like to change background of the child list item to the different shade. Brutal attempts that I've made so far were based on directly changing background color and text of the elements inside the child view item but that leads to loss of hovers and highlights. So my question is - what is a good strategy to achieve the above? I tried styles and selectors but what really bums me - if I change background for child item then I need to add selectors for all combinations of focus/enabled etc. when all I'm trying to do it to overwrite a single thing. Is there a way to inherit parent style and set background only for non- focused, enabled child item with other styles retained?

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  • jQuery, jQuery UI, and Dual Licensed Plugins (Dual Licensing)

    - by John Hartsock
    OK I have read many posts regarding Dual Licensing using MIT and GPL licenses. But Im curious still, as the wording seems to be inclusive. Many of the Dual Licenses state that the software is licensed using "MIT AND GPL". The "AND" is what confuses me. It seems to me that the word "AND" in the terms, means you will be licensing the product using both licenses. Most of the posts, here on stackoverflow, state that you can license the software using one "OR" the other. JQuery specifically states "OR", whereas JQuery UI specifically States "AND". Another Instance of the "AND" would be JQGrid. Im not a lawyer but, it seems to me that a legal interpretation of this would state that use of the software would mean that your using the software under both licenses. Has anyone who has contacted a lawyer gotten clarification or a definitive answer as to what is true? Can you use Dual licensed software products that state "AND" in the terms of agreement under either license? EDITED: Guys here is specifically what Im talking about on jquery.org/license you see the following stated: You may use any jQuery project under the terms of either the MIT License or the GNU General Public License (GPL) Version 2 but in the header of Jquery's and Jquery UI library you see this: * Dual licensed under the MIT and GPL licenses. * http://docs.jquery.com/License The site says MIT or GPL but the license statement in the software says MIT and GPL.

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  • iphone - creating a reference to a MPMoviePlayerController

    - by Mike
    At some point in my code I am creating a MPMoviePlayerController object and playing it. As I need to reference this object at some other methods in my code that runs asynchronously, I need to store a pointer to the movie object etc., so I can use that. Declaring MPMoviePlayerController * myMovie on the header file is out of question, because the compiler will give me an error saying "expected specifier-qualifier-list before 'MPMoviePlayerController'". If it was a view I could do something like [self.view viewWithTag:99]; to get the object, but the MPMoviePlayerController does not allow this. How can I obtain the movie object or store a reference to it, so I can call the object in other methods? thanks for any help.

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