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• WPF - Bind Menu Item

  - by Miguel

  Hello, I am creating a menu and binding the menu items ate runtime as follows but I am not able to make it work. I am creating the menu as follows: Menu menu = new Menu(); menu.Items.Add(new MenuItem { Command = new PackCommand(), Header = "Pack" }); DockPanel.SetDock(menu, Dock.Top); content.Children.Add(menu); And I am implementing ICommand: public static class PackCommand : ICommand { Boolean CanExecute(object parameter) { return true; } void Execute(object parameter) { Packer packer = new Packer(); packer.Run(); } } I am not sure how to bind the menu item. Why CanExecute? Shouldn't it always? I only want to run packer.Run when the buttom is clicked. I think I should implement ICommand but I am not even sure I should do this? Could someone please help me out? Thanks, Miguel

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• gmaps4rails version 2 build method

  - by BrainLikeADullPencil

  I installed gmaps4rails for my Rails app, ran the generator, and required the two files like this in my application.js file, along with underscore.js //= require underscore //= require gmaps4rails/gmaps4rails.base //= require gmaps4rails/gmaps4rails.googlemaps adding, as instructed on github https://github.com/apneadiving/Google-Maps-for-Rails, these dependencies in layout.html.erb When I tried to create the demo map from the github page with this code, I got an error that the object doesn't have a build method. Uncaught TypeError: Object # has no method 'build' handler = Gmaps.build('Google'); handler.buildMap({ provider: {}, internal: {id: 'map'}}, function(){ markers = handler.addMarkers([ { "lat": 0, "lng": 0, "picture": { "url": "https://addons.cdn.mozilla.net/img/uploads/addon_icons/13/13028-64.png", "width": 36, "height": 36 }, "infowindow": "hello!" } ]); handler.bounds.extendWith(markers); handler.fitMapToBounds(); }); Indeed, when I look inside the base file that I require in the manifest file there is no build method for that object. How does one create a map in the new version for gmaps4rails?

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• Slow SQL Sync with Microsoft Sync Framework on Mobile Client

  - by Malkier

  Hello, we are developing an application which uses MS Sync Framework to sync data between Windows CE 6.0 with SQL CE 3.5 SP1 Clients and an SQL 2008 Database. Our major problem is a slow sync time up to 1 minute for 15 tables which are totally empty. Here's a break down of our components: Server: Sql Server 2008 15 tables with activated change tracking WCF Service with endpoint for the mobile sync (uses Sync Framework 2.0) Client (Mobile) Windows CE 6.0 NET Application using Sync Framework for Devices (CTP 1) which starts the sync As I mentioned above, the sync takes up to 1 minute without any changes and empty tables. The mobile device is in its dock. This is a deal breaker for a production environment. Does anybody have any experience in this field? Is there a way to improve things? Thanks for any responses.

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• Creating an inline function in a jsp?

  - by user246114

  Hi, I'm coming from (some limited) PHP experience, in which you can just declare functions in-line. I'm trying to the same thing with a JSP but not working. Trying something like: <%! private void generateSomething() { %> <p> Hello there! </p> <% } %> <% generateSomething(); %> is something like that possible? Basically I have a jsp that can generate a 3 different pages, and I wanted to put these each in a separate method. I have seen a few posts saying this is not a good idea, and to separate the presentation stuff, which is fine, I just want to see this in action, if possible, now I'm just curious, Thanks

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• Java HTML Parsing

  - by Richie_W

  Hello everyone. I'm working on an app which scrapes data from a website and I was wondering how I should go about getting the data. Specifically I need data contained in a number of div tags which use a specific CSS class - Currently (for testing purposes) I'm just checking for "div class = "classname"" in each line of HTML - This works, but I can't help but feel there is a better solution out there. Ie. - Is there any nice way where I could give a class a line of HTML and have some nice methods like: boolean usesClass(String CSSClassname); String getText(); String getLink(); Many many thanks!

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• Django and ImageField Question

  - by Hellnar

  Hello I have a such model: Foo (models.Model): slug = models.SlugField(unique=True) image = models.ImageField(upload_to='uploads/') I want to do two things with this: First of all, I want my image to be forced to resize to a specific width and height after the upload. I have tried this reading the documentation but seems to getting error: image = models.ImageField(upload_to='uploads/', height_field=258, width_field=425) Secondly, when adding an item via admin panel, I want my image's file name to be renamed as same as slug, if any issue arises (like if such named image already exists, add "_" to the end as it used to do. IE: My slug is i-love-you-guys , uploaded image such have i-love-you-guys.png at the end.

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• How to optimize simple linked server select query?

  - by tomaszs

  Hello, I have a table called Table with columns: ID (int, primary key, clustered, unique index) TEXT (varchar 15) on a MSSQL linked server called LS. Linked server is on the same server computer. And: When I call: SELECT ID, TEXT FROM OPENQUERY(LS, 'SELECT ID, TEXT FROM Table') It takes 400 ms. When I call: SELECT ID, TEXT FROM LS.dbo.Table It takes 200 ms And when I call the query directly while being at LS server: SELECT ID, TEXT FROM dbo.Table It takes 100 ms. In many places i've read that OPENQUERY is faster, but in this simple case it does not seem to work. What can I do to make this query faster when I call it from another server, not LS directly?

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• datamapper secondary key

  - by Luc

  Hello, I am using datamapper in a ruby application and I'm facing a problem I do not understand. I have a Appartment model and a Location model. An appartment is at a given location and several appartments can be at the same location. This typically described a 1-n relationship (I guess :-) ) My feeeling is that in the Appartement sql table I need a location_id but I do not want any Appartment pointers within the Location table. For me, Location should live on its own and should not reference appartment. In the Appartement ruby class, I have added: has n, Location but it then creates an appartment_id within the Location ruby class, which I do not want. Would you have any clue ? Thanks a lot, Luc

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• Configuring asp.net web applications. Best practices

  - by Andrew Florko

  Hello everybody, There is a lot of configurable information for a web-site: UI messages Number of records used in pagination & other UI parameters Cache duration for web-pages & timeouts Route maps & site structure ... There are many approaches to store all this information also: AppSettings (web.config) Custom sections (web.config) External xml/text files referred from web.config Internal static class(es) of constants Database table(s) ... What approaches do you usually choose for your tasks & what approaches do you find unsuitable? Thank you in advance!

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• Need to call COM component using reflections in C#.NET

  - by Usman

  Hello, I need to determin the COM component(unmanaged code) type and invoke the exposed interface's methods using reflection in C#.NET at runtime. 1 -- First What member of "Type" tells that type is COM component and we can take CLSID at runtime? Is Type.COMObject? 2 -- I need to call methods of exposed interfaces as they called in unmanaged code using CoCreateInstance by passing CLSID and REFID ... I am using InvokeMember but it returns null or 0 as out parameter. How to pass out parameter in this case.? Is there any need to pass out parameter? As all my COM unamanged code suppose to take las parameter as an OUT parameter and after executing it puts the result into that out param. But I've converted all my unmanged COM code to .NET managed assemblies using tlbimp.exe. Regards Usman

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• iPhone:Tabbar item actions are not happening

  - by user187532

  Hello all, I created a window application, which has a tabbar controller with four tabbar items. Each tabbar items are linked with a tableview. I have also set Navigation bar for each tabbar items. I have appdelegate file, which calls the first tableview controller of which is set for first tabbar item. I am trying to retrieve and do an action whenever a tabbar item is clicked. For that, i tried to add "- (void)tabBar:(UITabBar *)tabBar didSelectItem:(UITabBarItem *)item" and "- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UITableViewController *)viewController" in my first tableview controller, but it is not at all responding whenever i click any tabbar items. My question is, if i create a window based application and added tabbar controller, tableview and navigation bar in .XIB file, is it not possible to access and do an action programatically whenever a tabbar item is clicked? (or) Am i doing anything wrong? Please help me to resolve this and share your ideas. Thanks.

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• Joda time : convert string to LocatDate

  - by bsreekanth

  Hello, How to specify the format string to convert the date alone from string. In my case, only the date part is relevant Constructing it as DateTime fails String dateString = "2009-04-17"; DateTimeFormatter formatter = DateTimeFormat.forPattern("yyyy-MM-dd"); DateTime dateTime = formatter.parseDateTime(dateString); with error java.lang.IllegalArgumentException: Invalid format: "2011-04-17" is too short Probably because I should use LocalTime instead. But, I do not see any formatter for LocalTime . What is the best way to convert String dateString = "2009-04-17"; into LocalDate (or something else if that is not the right representation) thanks...

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• Python Instance Variable as Default Parameter

  - by DuneBug

  Hello, I have am writing a Python function that takes a timeout value as a parameter. Normally, the user will always use the same timeout value, but on occasion he may want to wait slightly longer. The timeout value is stored as a class instance variable. I want to use the class' timeout instance variable as the default parameter. Currently, I am implementing this as follows: def _writeAndWait (self, string, timeout = -1): if (timeout == -1): timeout = self._timeout I was just wondering, is the proper way to use an instance variable as a default parameter? Or is there a better way that would avoid the "if" check? Thanks, Ryan

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• Play video in UIWebView from NSData

  - by Papagalli

  Hello there, Does anybody know how to play a video in a UIVebView ? The video comes from the iphone library, when I pick it, I store it in core data as binary data. If i use the local url of the video it's working fine, the problem I have is that the this url refers to a folder named "tmp", and I don't know the lifetime of it. If I can get the real url of the video file it will be ok. //attachment is the core data object containing the data NSURL *url = [NSURL URLWithString:attachment.path]; [self.webView loadRequest:[NSURLRequest requestWithURL:url]]; I tried a solution that doesn't work: (i tried MIMETypes : "video/quicktime" and "video/mp4") [self.webView loadData:attachment.data MIMEType:@"video/mov" textEncodingName:nil baseURL:nil]; I think the second solution is the closest, and the problem comes from the MIMEType. Thanks by advance if anybody has a solution for this :)

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• Embed VLC player in GWT

  - by chrisnfoneur

  Hello, I want to embed a VLC player in my webapp build with Google's GWT. First I had a look at this page: http://wiki.videolan.org/GWT, which offers a nice solution but I add to implements all javascript functions calls (play, stop, fullscreen) with JSNI. Then I found gwt-player (hosted by Google code) which does all the job for me but the annoying part is that the project is not widely used (few posts each month on the project's group, not so many talks about it in blogs/forums...) Do you know another option to easly embed & control a VLC player in a GWT app ? My main goal is to play any video/audio file in a webapp and offer the user a fast/forward feature (set rate in VLC), is there any other player I could use ? I already had a look at Quicktime, Windows Media player & Flowplayer, none of them offers as much features as VLC. Thanks in advance & have a nice new year's eve. Chris

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• Subversion lock-modify-unlock solution for SSIS .dtsx

  - by EasyDot

  Hello! I wonder how i could set up a developer enviroment for SSIS,.dtsx packages in Subversion? I read about Subversion "svn:needs-lock" property and the ability to set auto-props in a subversion repository by setting "enable-auto-props = yes" in the repository config file. The "svn:needs-lock" property is neccesary when working with SSIS,dtsx to handle the files like binary files wich must be locked to avoid mergingconflicts. How should i configure Subversion config file for this kind of development? An example for setting auto-prop svn:needs-lock to .doc files (I think its working?!): [miscellany] enable-auto-props = yes [auto-props] *.doc = svn:mime-type=application/msword;svn:needs-lock=*

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• Netbeans not Deploying/Debugging

  - by Triztian

  Hello all, I have this problem, it's the second time it happens to me, I'm using the NB IDE 6.9.1 and after a while I was working fine, but then It stopped deploying my webapp when debugging or running the application, I don't recall messing with the ant build scripts or any strange configurations, it successfully builds the dist folder and *.war file and I am able to deploy it manually, but when I run it through the IDE it deletes the webapp folder webapps/myapp,so I cannot debug it or run it, all I get is ClassNotFoundException for my servlets. I am unsure of what extra information would help to solve this issue Its pretty annoying, I don't know how it got solved the last time, it just "went away" any help is truly appreciated.

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• Update data programmatically using EntityDataSource

  - by Vinay

  Hello guys, I want to update the data using programmatically in code behind using EntityDataSource. I have done the samething using Update method of LINQ Datasource. sample code snippet int id = Convert.ToInt32(e.CommandArgument); ListDictionary keyValues = new ListDictionary(); ListDictionary newValues = new ListDictionary(); ListDictionary oldValues = new ListDictionary(); keyValues.Add("ReviewID", id); oldValues.Add("IsActive", "IsActive"); newValues.Add("IsActive", "false"); GridDataSource.Update(keyValues,newValues, oldValues); Can I achieve the same thing using EntityDataSource? Thanks, Vinay

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• Getting document.xml from a docx file using ZipInputStream

  - by meenakshik

  Hello, I have a inputStream of a docx file and I need to get hold of the document.xml which lies inside the docx. I am using ZipInputStream to read my stream and my code is something like ZipInputStream docXFile = new ZipInputStream(fileName); ZipEntry zipEntry; while ((zipEntry = docXFile.getNextEntry()) != null) { if(zipEntry.getName().equals("word/document.xml")) { System.out.println(" --> zip Entry is "+zipEntry.getName()); } } As you can see The output for zipEntry.getName comes as "word/document.xml" at some point. I need to pass this document.xml as a stream and unlike the ZipFile method where you can easily pass this on calling .getInputStream, I am wondering how can I do this docXFile? Thanks in advance, Meenakshi

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• Colour Name to RGB/Hex/HSL/HSV etc

  - by Abs

  Hello all, I have come across this great function/command. Colour to RGB, you can do this: col2rgb("peachpuff") //returns hex It will return one hex value. I want to extend this using Perl, Python or PHP but I want to be able to pass in, for example, "yellow" and the function returns all types of yellows - their hex/rgb/?/etc value. I already have a quick solution implemented, which involves mapping colour names to hex values but now I want to get more precise and use some formulas etc to determine what's what. However, as usual, I don't have a clue on how to do this! So I appreciate any implementation advice on how to do this. Thanks all

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• create a dictionary or list from string(HTML tag included) in C#

  - by loviji

  Hello, A have a string like this: string s = @" <tr> <td>11</td><td>12</td> </tr> <tr> <td>21</td><td>22</td> </tr> <tr> <td>31</td><td>32</td> </tr>"; How to create Dictionary<int, int> d = new Dictionary<int, int>(); from string s to get same result as : d.Add(11, 12); d.Add(21, 22); d.Add(31, 32);

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• learning inkscape for webapp/website

  - by creativz

  Hello, I'm quite impressed with Incskape, it's very powerfull. That's why I wanted to start learning it. But how should I start (to learn it efficiently)? Should I read a book (anybody can recommend me a good one?) or just (inefficiently) do some tutorials on the internet. I really want to learn it to make professional graphics for a webapp or website. So how should I tackle it? Thanks!

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• Deploying Django at Dreamhost

  - by Imran

  I'm trying to get the Poll tutorial working at my Dreamhost account (I don't have any prior experience of deploying Django). I downloaded the script I found here (http://gabrielfalcao.com/2008/12/02/hosting-and-deploying-django-apps-on-dreamhost/) at my home directory and executed it. Now I have Python 2.5 and Django in ~/.myroot/ and my Django projects directory is ~/projects/ Here's the content of ~/projects/ directory (I copied the polls/ and and templates/polls/ directories myself). projects/ |-- admin_media -> /home/imran2140/.myroot/usr/lib/python2.5/site-packages/django/contrib/admin/media |-- dispatch.fcgi |-- polls | |-- __init__.py | |-- __init__.pyc | |-- admin.py | |-- admin.pyc | |-- models.py | |-- models.pyc | |-- polls.db | |-- urls.py | |-- urls.pyc | |-- views.py | `-- views.pyc |-- script_templates | |-- dispatch.template | `-- htaccess.template `-- templates `-- polls |-- detail.html |-- index.html `-- results.html 5 directories, 17 files Now what should I do to get the Polls app working? Update I finally got a "Hello World" Django app working with Passanger WSGI. It worked fine with both Server's default Python 2.3.5 and my installed Python 2.5.2. Passanger WSGI - Django at Dreamhost Wiki

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• Difference between focus and focus-in(out)-event signals

  - by spajak

  Hello What's the difference between "focus" and "focus-in(out)-event" signals in GTK+? Which one is emitted firs? How are they related to keyboard(TAB) & mouse clicks. Do they depend on each other? I'm asking this because I want to keep track of currently focused widget within toplevel window and I don't want to test HAS_FOCUS flag of every widget when I need it. The widgets I'm interested of are deep inside other containers, boxes etc. What would be the best way in this situation for keeping & updating focused widget pointer?

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• [GoogleMaps] Get GLatLng from GPoint

  - by Jo Asakura

  Hello everybody, I have a google map with my own map type: var currentProjection = new GMercatorProjection(maxLevels + 1); var mapBounds = new GLatLngBounds(new GLatLng(-9, -15), new GLatLng(9, 15)); var custommap = new GMapType(tilelayers, currentProjection, "Some project"); map.addMapType(custommap); map.setCenter(mapBounds.getCenter(), minLevels, custommap); When user clicks on map then context menu appears (singlerightclick event), from context menu user can add markers and I need a GLatLng value to add marker to the map but singlerightclick event contains only GPoint value. I try to use next statement: map.getCurrentMapType().getProjection().fromPixelToLatLng(pointValueFromEvent, map.getZoom()); but it wasn't helpfull (GLatLng value is outside of my map). I think it's because I use my own map type, how can I get GLatLng value to add the marker? Best regards, Alex.

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