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• Visual C# 2008 Express connection to SQL Server 2008 Express problem

  - by Phil

  Hi guys, I have a problem with Visual C# 2008 express (SP1) connecting to SQL Server 2008 express. The "Add Connection" window (wherever initiated) doesn't list existing sql server and no option for sql server except a compact edition. Note that, I've got the VWD 2008 express (SP1) on the same machine which shows the window regularly (with SQL server listed) and SQL Server Management studio works fine with the server as well. I've seen other similar posts, did take some advices: reinstalled the VC#, services run ok, etc... but with no success with VC# so far. Again, on the same machine the VWD shows the dialog with sql server option regularly, but VC# shows only 3 options in "Change data source" dialog (1. Microsoft Access Database File (OLE DB) 2. Microsoft SQL Server Compact 3.5, 3. Microsoft SQL Server Database File) Any idea? Thanks in advice, Phil

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• How to select the top n from a union of two queries where the resulting order needs to be ranked by individual query?

  - by Jedidja

  Let's say I have a table with usernames: Id | Name ----------- 1 | Bobby 20 | Bob 90 | Bob 100 | Joe-Bob 630 | Bobberino 820 | Bob Junior I want to return a list of n matches on name for 'Bob' where the resulting set first contains exact matches followed by similar matches. I thought something like this might work SELECT TOP 4 a.* FROM ( SELECT * from Usernames WHERE Name = 'Bob' UNION SELECT * from Usernames WHERE Name LIKE '%Bob%' ) AS a but there are two problems: It's an inefficient query since the sub-select could return many rows (looking at the execution plan shows a join happening before top) (Almost) more importantly, the exact match(es) will not appear first in the results since the resulting set appears to be ordered by primary key. I am looking for a query that will return (for TOP 4) Id | Name --------- 20 | Bob 90 | Bob (and then 2 results from the LIKE query, e.g. 1 Bobby and 100 Joe-Bob) Is this possible in a single query?

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• jquery set focus on dynamic content?

  - by Alan

  In jquery I've appended a <li> element to an unordered list. How do I focus on the newly created <li> ? If I do the following: $("ul").append('<li><input type="text">hi!</input></li>'); $("li:last").focus(); //doesn't work because new <li> isn't in dom yet the focus doesn't work, as noted above. I know jquery 1.4.2 has a live() event handler which allows you load event handlers to dynamically added elements, but I'm not sure what I'm doing wrong: $(document).ready(function () { $('li').live('load', function () { alert("hi!"); $("li:last").focus(); }); });

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• How to automatically add SVN commit messages and revision numbering to java file?

  - by John

  I'm working on an Apache Wicket project in Eclipse with Maven2 -- my SCM is Subversion. I've got Subclipse set up which I use to commit changes to the repository. I've seen several projects with nice headers containing the current revision number and at the bottom of the java source file there's a list of all the changes that have been committed to the file including the comments that were passed. Is there any way of achieving this sort of behaviour automatically? At work I'm using MKS which does this automatically but I am yet to figure out how to achieve this with SVN and Eclipse.

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• append a numpy array to a numpy array

  - by Fraz

  I just started programming in python and am very new to numpy packages.. so still trying to get a hang of it. I have a an numpy_array so something like [ a b c] And then I want to append it into anotehr numpyarray (Just like we create a list of lists) How do we create an array of numpy arrays containing numpy arrays I tried to do the following without any luck >>> M = np.array([]) >>> M array([], dtype=float64) >>> M.append(a,axis=0) Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'numpy.ndarray' object has no attribute 'append' >>> a array([1, 2, 3])

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• Unique ID for MS Word 2007 paragraph

  - by Ganish

  I am writing large MS Word 2007 documents, which are often being changed. I have to number paragraphs with stationary unique numbers, that will not change while changing the documents. The numbers should be unique, and will not change even if previous numbers are deleted. The order of the list is not mandatory, and addition of a new number before existing numbers is possible (for instance: the sequence 1, 4, 3 means that paragraphs 1-3 were written, then #2 was deleted, then #5 was added. #3 was not affected by the later editing) The mechanism should be internal to the document, as I am working on line and off line. The numbers are allocated to every document individually. Since I don't know to program under MS Word, I'd appreciate getting a complete solution.

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• Switch to tab by typing a substring of its name in Visual Studio 2005

  - by Vineus

  Is there a way to navigate between tabs in VS similar to the emacs iswtichb-mode or Firefox ubiquity switch tab mode (https://wiki.mozilla.org/Labs/Ubiquity/Ubiquity_0.1_Author_Tutorial#Switching_Tabs) ? In these apps, you just type a substring of the title of the tab (or buffer for emacs) to switch to this tab. For instance, to switch to a tab named "App_Code/Data/MyProgram.cs", you just invoke the tab switching command and then type "Progr" for instance to list all the tab whose name matches this string, including "MyProgram.cs". It's much easier to switch between tabs this way when you have a lot of documents open and when you now where to go (which is the case in most situation) Thank you !

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• Django exclude(**kwargs) help

  - by shawnjan

  Hey guys/gals! I had a question for you, something that I can't seem to find the solution for... Basically, I have a model called Environment, and I am passing all of them to a view, and there are particular environments that I would like to exclude. Now, I know there is a exclude function on a queryset, but I can't seem to figure out how to use it for multiple options... For example, I tried this but it didn't work: kwargs = {"name": "env1", "name": "env2"} envs = Environment.objects.exclude( kwards ) But the only thing that it will exclude is the last "name" value in the list of kwargs. I understand why it does that now, but I still can't seem to exclude multiple objects with one command. Any help is much appreciated! Shawn

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• Eclipse: What is the minimum Eclipse installation needed for a headless PDE build?

  - by Christoph

  Hi, I am currently using PDE build in headless mode to build my OSGI Bundle project. The PDE Antrunner task uses an Eclipse installation and I am just pointing it to my local Eclipse installation. unfortunatelly my eclipse installation is about 260MB big, but I assume that a PDE build does NOT require all of those plugins in a standard eclipse installation. Does anyone now what is the minimum list of plugins I need for doing a headless PDE build? All of my dependencies I actually have in a custom target platform folder, so I guess the only thing I need from my eclipse installation are the dependencies which PDE build actually needs. But what are those? Can I shrink my installation to a very minimum? My goal is to also check-in this "build-eclipse" folder into my project's SVN so that when you check it out, you have everything you need to start a full build, without touching any build.properties. But I don't want to commit 266MB of eclipse if I maybe need only 20MB of it. Thanks Christoph

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• Patterns for implementing field change tracking.

  - by David

  Hi all For one of my recent projects, I had to implement field change tracking. So anytime the user changed a value of a field, the change was recorded in order to allow full auditing of changes. In the database, I implemented this as a single table 'FieldChanges' with the following fields: TableName, FieldName, RecordId, DateOfChange, ChangedBy, IntValue, TextValue, DateTimeValue, BoolValue. The sproc saving changes to an object determines for each field whether it has been changed and inserts a record into FieldChanges if it has: if the type of the changed field is int, it records it in the IntValue field in the FieldChanges table, etc. This means that for any field in any table with any id value, I can query the FieldChanges table to get a list of changes. This works quite well but is a bit clumsy. Can anyone else who has implemented similar functionality suggest a better approach, and why they think it's better? I'd be really interested - thanks. David

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• Cast to Extended Class in C# (dotnet 3.5<)

  - by csharpnoob

  Hi, i'm not sure if it's possible. I have a class car and a class mycar extended from class car. Class mycar has also a string list. Only difference. How can i cast now any car object to a mycar object without assigning all attributes each by hand. Like: Car car = new Car(); MyCar mcar = (MyCar) car; or MyCar mcar = new MyCar(car); or however i can extend car with own variables and don't have to do always Car car = new Car(); MyCar mcar = new MyCar(); mcar.name = car.name; mcar.xyz = car.xyz; ... Thanks.

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• How to represent "options" for my plugin architecture (C# .NET WinForms)

  - by Joshua

  Okay basically here's where I'm at. I have a list of PropertyDescriptor objects. These describe the custom "Options" fields on my Plugins, aka: public class MyPlugin : PluginAbstract, IPlugin { [PluginOption("This controls the color of blah blah blah")] [DefaultValue(Color.Red)] public Color TheColor { get; set; } [PluginOption("The number of blah blah blahs")] [DefaultValue(10)] public int BlahBlahBlahs { get; set; } } So I did all the hard parts: I have all the descriptions, default values, names and types of these custom "plugin options". MY QUESTION IS: When a user loads a plugin, how should I represent these options for them to config? On the back end I'll be using XML for the config, so that's not what I'm asking. I'm asking on the front end: What kind of WinForms control should I use to let users configure the options of a plugin, when there will be an unknown amount of options and different types used etc.?

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• How to implement full text search in Django?

  - by Jannis

  I would like to implement a search function in a django blogging application. The status quo is that I have a list of strings supplied by the user and the queryset is narrowed down by each string to include only those objects that match the string. See: if request.method == "POST": form = SearchForm(request.POST) if form.is_valid(): posts = Post.objects.all() for string in form.cleaned_data['query'].split(): posts = posts.filter( Q(title__icontains=string) | Q(text__icontains=string) | Q(tags__name__exact=string) ) return archive_index(request, queryset=posts, date_field='date') Now, what if I didn't want do concatenate each word that is searched for by a logical AND but with a logical OR? How would I do that? Is there a way to do that with Django's own Queryset methods or does one have to fall back to raw SQL queries? In general, is it a proper solution to do full text search like this or would you recommend using a search engine like Solr, Whoosh or Xapian. What are there benefits? Thanks for taking the time

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• Simple Data Caching using Weak References in WCF

  - by Tawani

  Given that I have the following WCF service: class LookUpService { public List<County> GetCounties(string state) { var db = new LookUpRepository(); return db.GetCounties(state); } } class County { public string StateCode{get;set;} public string CountyName{get;set;} public int CountyCode{get;set;} } What will be the most efficient (or best) way to cache a state's counties using weak references (or any other approach) so that we don't hit the database every time we need to look up data. Note that we will not have access to the HttpRuntime (and HttpContext).

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• Redirect index.php in CodeIgniter

  - by Gabriel Bianconi

  Hello. I created a CodeIgniter application and now I'm trying to redirect the urls with index.php to urls without it. My current .htaccess is: RewriteEngine On RewriteBase / # Removes trailing slashes (prevents SEO duplicate content issues) RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.+)/$ $1 [L,R=301] # Enforce www # If you have subdomains, you can add them to # the list using the "|" (OR) regex operator RewriteCond %{HTTP_HOST} !^(www|subdomain) [NC] RewriteRule ^(.*)$ http://www.plugb.com/$1 [L,R=301] # Checks to see if the user is attempting to access a valid file, # such as an image or css document, if this isn't true it sends the # request to index.php RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 [L] The only problem is that the same page is accessible with and without the index.php. For example: http://www.plugb.com/index.php/games/adventure-rpg and http://www.plugb.com/games/adventure-rpg Is there a way to redirect the index.php URLs? Thank you, Gabriel.

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• zk combobox databinding

  - by user121196

  The zk code below only shows on item... I need it to show all elements in tmp. any idea? thanks <zscript> List tmp=Arrays.asList(new String[]{"a","b","c"}); ]]> </zscript> <combobox id="mycb" model="@{tmp}"> <comboitem self="@{each=row}" label="xxx" value="yyy"> </comboitem> </combobox>

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• Populate a combo box with one data tabel and save the choice in another.

  - by Scott Chamberlain

  I have two data tables in a data set for example lets say Servers: | Server | Ip | Users: | Username | Password | Server | and there is a foreign key on users that points to servers. How do I make a combo box that list all of the servers. Then how do I make the selected server in that combo box be saved in the data set in the Server column of the users table. EDIT -- I havent tested it yet but is this the right way? this.bsServers.DataMember = "Servers"; this.bsServers.DataSource = this.dataSet; this.bsUsers.DataMember = "FK_Users_Servers"; this.bsUsers.DataSource = this.bsServers; this.serverComboBox.DataBindings.Add(new System.Windows.Forms.Binding("SelectedValue", this.bsUsers, "Server", true)); this.serverComboBox.DataSource = this.bsServers; this.serverComboBox.DisplayMember = "Server"; this.serverComboBox.ValueMember = "Server";

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• Are there alternatives to UltraWinGrid (for C#)?

  - by MPelletier

  I've been using the Infragistics UltraWinGrid for a while in a C# project, and while it's very spiffy, it is sometimes a bit heavy to run (and editing it in Visual Studio can be hazardous). I'm looking for a lighter alternative. Looks (always a big plus with Infragistics) are not as important as functionality. Namely, I'm looking for a beefed up DataGridView which: has data binding (duh!) has lock control over editing allows for sub-tables on opening a row can have multiple headers to group columns together (say header 1 is composed of "Group A" and "Group B", and header 2 has various columns under each group) has sorting by column (and can sort numbers properly, even if it does not have a stock method at first) has filtering by column (perhaps the most demanding spec) à la UltraWinGrid/Excel (text field with a way to specify if the filter is equal, not equal, greater, lesser, starts with, ends with, etc). supports check box, text box or data bound list/combo box cells allows cells to be merged (not the control cells of course!) can have events bound to each row (say double click)

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• Facebook fbrocket api for android

  - by venka reddy

  Hi, i want to develop an application that take email and password of facebook as input, and gets the friends list from facebook. For this i am using fbrocket.jar api. But i can't login into the account of facebook through android mobile. Is this fbrocket.jar api enough or not?. Is there any facebook api .jar for android? any one can resolv my problem . plz clarify my doubts. ThanQ.

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• asp.net ajax toolkit combobox dosen't work in hidden div

  - by sam

  i have a combobox inside a hidden div which i use css display = none to make it invisible, but when i make the div visible by setting display = block, the combobox just show the input and its button and ul list all have css as display = 'none', visibility ='hidden', i can tell it is done by combobox inbuild javascript because i tried to use javascript to set the css manually with no luck. It is a bug of combobox, urgent help needed, i spent a week to solve this, and our team put a lot trust on the toolkit ,please help me on this all javascript gurus , thanks. Admin please let my code sample be visible , thanks a lot. below is the code to reproduce the bug, run it you cant see the dropdown: <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" % <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" % a d f click me <script type="text/javascript"> function show() { var d = $get('d'); d.style.display = 'block'; } </script>

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• JodaTime DateFormatter to display milliseconds if nonzero

  - by Mike

  I want to display a list of dates that may or may not have milliseconds on them. If a certain entry has milliseconds, then it should be displayed like yyyy MM dd HH:mm:ss.SSS. If it doesn't have the millis, I need it displayed as yyyy MM dd HH:mm:ss. I suppose the general question is: Is there a way to describe an optional format string parameter? (I'd like to avoid refactoring all of the places that I use formatters since this is a large code base.)

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• JMF Registry could not add item (Vista)

  - by Ranch

  Hello, I'm using JMF to capture video stream (webcam) on my Java project. The camera I'm using is recognized by JMF (JFMStudio) and I manage to get the video stream. However, on JMF Registry Editor - there's a list of available capture devices, when I click "Add" on one of the items (including the one I need) I get a "Could not add item" error. Therefore this camera is not set in the registry of it (god know where) and later on it is not recognized by my project: RGBFormat fmt = new RGBFormat(); // could be YUV - doesn't matter Vector v = CaptureDeviceManager.getDeviceList(fmt); v is empty (while I know the video source is recognized by Java , since I manage to get video on JMF Studio). Now, this happens only on Vista (where else) and not on XP. I have a suspiction that somehow Vista security blocks Java from writing the registry file, but of course, I might be wrong. One more comments: this is vfw:Microsoft WDM Image Capture(Win32):0 device. Any idea ?

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• JPA 2.0 EclipseLink Check for unique

  - by Parhs

  Hello... I have a collumn as unique=true.. in Exam class.... I found that because transactions are commited automaticaly so to force the commit i use em.commit() However i would like to know how to check if it is unique.Running a query isnt a solution because it may be an instert after checking because of the concurency.... Which is the best way to check for uniqness? List<Exam_Normal> exam_normals = exam.getExam_Normal(); exam.setExam_Normal(null); try { em.persist(exam); em.flush(); Long i = 0L; if (exam_normals != null) { for (Exam_Normal e_n : exam_normals) { i++; e_n.setItem(i); e_n.setId(exam); em.persist(e_n); } } } catch (Exception e) { System.out.print("sfalma--"); } } d

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• Javascript event chaining / binding

  - by Charlie Brown

  I have a select list which has a function with a jQuery .post bound on the change() event. <select id="location"> <option value="1"></option> <option value="2"></option> </select> $('#location').change(location_change); function location_change(){ var url = ''; $.post(url, callback); } What I would like to happen is other controls on the page can bind to the $.post callback function like it was an event, so after the location is changed the data is posted back to the server and once the post returns successfully, the subscriber events are fired.

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• MySql order by problem

  - by Sergio

  Hello. I want to list messages that received specific user from other users group by ID's and ordered by last message received. If I use this query: SELECT MAX(id), fromid, toid, message FROM pro_messages WHERE toid=00003 GROUP BY fromid I do not get last message sent from user "fromid" to user "toid" but the first message sent. Can I do that in some other way or I need to do it with two queries or join tables? id - message id fromid - id of user who sent message toid - id of user who receive message (in this case user 00003)

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