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• Making a COM dll to be invoked from c#, HRESULT error handling?

  - by Daniel

  I'm making a COM interface that c# will be using, however i am wondering how i am to check for errors and exception handling on the c# end as at the moment i am just returning a HRESTULT or bool for most methods. But several things can go wrong in some of these methods and returning a E_FAIL just doesn't cut it. What can i do in order to return more information? Can i make a HRESULT of my own?

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• Java JList model

  - by Alaa

  How can I make a list model from a JList in order to be able to insert an item into it. I want to use this method: addElement(java.lang.Object item) I found an explanation here, but the problem is that ListModel is an interface and even if I write an implementation and override its method, I can't use the addElement() method

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• c# ListBox Issue

  - by Gaddigesh

  Is it possible Implement Drag and drop elements within the ListBox to change their order, Say there are 10 elements in list box,I should be able to drag the first element and drop at 4th place.

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• Reading URL Anchor on IE

  - by tominated

  Hi, I've got a page full of links to another page with anchors on the end (like this: index.html#anchor). On the page they point to, I have a script that is supposed to read where the anchor points to in order to display something. On firefox it works perfectly, But I've noticed that IE seems to remove the #anchor from the end of the url, so the script can't grab the text. Is there a way around this, without any server side code?

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• Adding a UINavigationController to a UITabBarController

  - by Andy Jacobs

  I have a set of 10 navigationViewControllers i want to the UITabBarController this all just works fine except the fact when i want to see a UINavigationController that is in the "more" tab it doesn't switch to it. it does nothing. if i change that to a UIViewController it just works fine .. ok in the more tab you automatically have a UINavigationController to you disposal but if the user switches the tab's order and its not anymore in the "more" tab you don't have a UINavigationController .. any tips ?

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• Is LuaJIT really faster than every other JIT-ed dynamic languages?

  - by Gabriel Cuvillier

  According to the computer language benchmark game, the LuaJIT implementation seems to beat every other JIT-ed dynamic language (V8, Tracemonkey, PLT Scheme, Erlang HIPE) by an order of magnitude. I know that these benchmarks are not representative (as they say: "Which programming language implementations have the fastest benchmark programs?"), but this is still really impressive. In practice, is it really the case? Someone have tested that Lua implementation?

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• To get FTS3 support in SQLite3 using Ruby, do you have to manually compile sqlite?

  - by normalocity

  I've got a web app where I'd like to user FTS3 functionality of SQLite3. I've got the SQLite3-ruby v1.2.5 gem installed. I'd like to have FTS3 support, and I know, due to trying to create an FTS3 table, that it doesn't come with it. Do I need to compile the gem/sqlite3 myself in order to get this support? Is there a seprate gem I should be using?

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• How can I use pywin32 with a virtualenv without having to include the host environment's site-packag

  - by jkp

  I'm working with PyInstaller under Python 2.6, which is only partially supported due to the mess MS have created with their manifest nonense which now affects Python since it is now MSVC8 compiled. The problem is that the manifest embedding support relies on the pywin32 extensions in order to build which is a pain because without including the host's site-packages folder when I create the virtualenv (kinda defeats the point in a build environment) I cannot find a way to install the required extensions so they are accessible to PyInstaller. Has anyone found a solution to this issue?

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• Using regexp to search for the string matching multiple words arranged in random.

  - by t.sim

  How can I write the regexp to match multiple words in random order? For example, let's assume the following lines: Dave Imma Car Pom Dive Dive Dome Dare Imma Car Ryan Pyro Dave Imma Dive Lunar Happy Dave I want to search the string for the one matching "Dave" "Imma" and "Dive", expecting the 1st and 4th line. Is this possible?

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• Spring: I wish to create a junit test for a web application - WebApplicationContext needed

  - by Yaneeve

  Hi all, I am writing a junit test in order to (surprisingly) test a part of my app as a standalone. Thing is I execute the following line in a constructor being invoked in the unit test: WebApplicationContext webApplicationContext = ContextLoader.getCurrentWebApplicationContext(); How would I go about to set up a web context when running a simple unit test? Thanks

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• How to set the itemdata in a combox from key value

  - by glinch

  Hi, How would i set the itemdata from getting just the ID/key of a row, if i didnt know what order it is in on the list For example I have a combo box showing the following: cmbPeople: ID Name 2 Rod 4 Jane 6 Freddy eg. I know I want Jane to be the focus of the combo box, and i have the ID but i dont know that its the second item in the list ( Me.cmbPeople.ItemData(1) ) How would I go about doing this?? Thanks in advance for any help

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• jQuery - Image management

  - by kape123

  Is there a jQuery plug-in / JavaScript control that will allow me to display array of images, but with (at least) option to delete image on certain user action. Something like this: http://www.gmarwaha.com/jquery/jcarousellite/index.php but with dedicated delete button on every image. First extra option that I can think of is to rearrange order of images. If not... I guess I'll start extending mentioned jcarousellite myself....

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• Getting NSRange from Subclassed UIPasteboard Selection

  - by PF1

  Hi Everyone: I am wondering if there is some way to subclass UIPasteboard in order to get the selection behavior, but not get the "Cut, Copy, and Paste" options. In addition to this, is there some notification I can subscribe to that returns the NSRange of the selected body of text once it is selected? Thanks for any help!

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• Count times ID appears in a table and return in row.

  - by Tyler

  SELECT Boats.id, Boats.date, Boats.section, Boats.raft, river_company.company, river_section.section AS river FROM Boats INNER JOIN river_company ON Boats.raft = river_company.id INNER JOIN river_section ON Boats.section = river_section.id ORDER BY Boats.date DESC, river, river_company.company Returns everything I need. But how would I add a [Photos] table and count how many times Boats.id occurs in it and add that to the returned rows. So if there are 5 photos for boat #17 I want the record for boat #17 to say PhotoCount = 5

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• Accessing other controls by name in a Silverlight ControlTemplate

  - by Chris S

  I have a custom control that inherits from ContentControl. Inside the generic.xaml file is a simple Grid with 2 rows: Row 1 - A toggle button Row 2 - A StackPanel with a TextBlock, named "Stackpanel1" The ToggleButton has its own nested ControlTemplate which has VisualStates for Checked/Unchecked. Is it possible to reference "Stackpanel1" from inside the ToggleButton's control template somehow? In order to show or hide the stackpanel.

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• Groovy sorting string asc

  - by srinath

  How to sort string names in array on ascending order . I tried sort method but it fails to sort on name basis . def words = ["orange", "blue", "apple", "violet", "green"] I need to achieve like this : ["apple", "blue", "green", "orange", "violet" ] thanks in advance.

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• Convert SQL query to Ruby help

  - by Verloren

  Hey all, I need to query my database table to find which employee has the most support tickets related to them. I can do this just fine using this MySQL query: SELECT employee_id, COUNT(id) AS number_of_tickets FROM tickets GROUP BY employee_id ORDER BY number_of_tickets DESC LIMIT 1; How would write this in Ruby-on-Rails? Thanks very much for your assistance. I use Ruby version 1.8.6, Rails version 2.2.2 and MySQL Server version 5.0.

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• Experience of moving to 64 bit JVM

  - by Fazal

  Our company is planning to move to 64 bit JVM in order to get away from 2 GB maximum heap size limit. Google gave me very mixed results about 64 bit JVM performance. Has anyone tried moving to 64 bit java and share your experience

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• STL: writing "where" operator for a vector.

  - by Arman

  Hello, I need to find the indexes in the vector based on several boolean predicates. ex: vector<float> v; vector<int> idx; idx=where( bool_func1(v), bool_func2(v), ... ); What is the way to declare **where** function, in order to use the several user defined boolean functions over the vector? thanks Arman.

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• What does InitializeComponent() do, and how does it work? (WPF)

  - by Tim Lovell-Smith

  What does InitializeComponent() do, and how does it work? (WPF) In general first, but I would especially be interested to know the gory details of order of construction, and what happens when there are AttachedProperties.

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• How to display a picture stored in database in the ASP.NET DetailsView?

  - by Alex

  Hi, I'm having a problem of displaying a picture in the DetailsView..what is the way to bind it with the DetailsView?My picture is retrieved from database and put with other needed information in a dataset..how can i extract it from dataset and bind with a particular field of DetailsView in order to display it? I would really appreciate any help Thanks

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• Sharepoint edit task from outlook on windows7

  - by Alex

  I have sharepoint approval workflow on Moss2007. Windows XP users are able to approve the task from their outlook. But in windows 7, outlook would not open the task edit form at all and no error message either. is there anything need to be turned off/on in windows 7 outlook in order to approve an item from their inbox?

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• Using scroll on one memo edit to scroll on another as well

  - by Nathan Koop

  I've got two memoedits which are similar (in order to compare two records) I would like to keep the scrolling in synch to ease comparison. I had originally thought there would be an OnScroll event, but didn't see one, nor anything similar, the closest I saw was Spin, this handles some possibilities, but not all. I also didn't see a way to navigate the rows. I did see the ScrollToCaret method, but this doesn't do what I want. Any ideas?

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• C/GCC - Is it possible to sort arrays using preprocessor?

  - by psihodelia

  I have a number of very long arrays. No run-time sort is possible. It is also time consuming to sort them manually. Moreover, new elements can be added in any order later, so I would like to sort them by value using C preprocessor or maybe there is any compilers flag (GCC)? For example: sometype S[] = { {somevals, "BOB", someothervals}, {somevals, "ALICE", someothervals}, {somevals, "TIM", someothervals}, } must be sorted so: sometype S[] = { {somevals, "ALICE", someothervals}, {somevals, "BOB", someothervals}, {somevals, "TIM", someothervals}, }

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• Where I can find the USSD commands specification?

  - by Lorenzo Melato

  I need to implement a simple application to send short notify messages on gsm phone display via a GSM modem. I know that I can use the gsm USSD protocol to send messages instead of sms in order to speed up the delivery. Where I can find a detailed reference on the available USSD messages? Where I can find examples or sample applications? All mobile operators supports the USSD protocol? Lorenzo

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