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  • Programmatically modifying a file on Windows Server 2008 (Web Ed.)

    - by Tom
    I have written a .NET 2008 application, incorporating Microsoft.Office.Interop.Excel, that modifies an existing Excel 2007 spreadsheet. It works perfectly on my WinXP development computer. When I upload the app to a Microsoft Web Server 2008, it opens the file and reads from the file, but when the app tries to save the file, it throws this exception: "System.Runtime.InteropServices.COMException (0x800A03EC): 'july2009.xlsx' is read-only. To save a copy, click OK, then give the workbook a new name in the Save As dialog box." The file is NOT read-only, nor is it opened by any other user or app. The app and the Excel file both reside on the D: (data-only) drive. My first instinct was to look at file permissions. When nothing else worked, I literally created a temporary Group, added EVERY user and security entity to it and granted the group full control of the entire D: drive. No luck. Then I tried manually elevating the permission by running my app as administrator. No luck. Finally, I copied the file to my XP development computer and ran the app there. Of course it worked perfectly. Can anyone please tell me how to give my program permission to edit a file on Server 2008? Thanks!

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  • Quick MEF + SL4 question

    - by Tom Allen
    I'm working on an app in the Silverlight 4 RC and i'm taking the oppertunity to learn MEF for handling plugin controls. I've got it working in a pretty basic manor, but it's not exactly tidy and I know there is a better way of importing multiple xap's. Essentially, in the App.xaml of my host app, I've got the following telling MEF to load my xap's: AggregateCatalog catalog = new AggregateCatalog(); DeploymentCatalog c1 = new DeploymentCatalog(new Uri("TestPlugInA.xap", UriKind.Relative)); DeploymentCatalog c2 = new DeploymentCatalog(new Uri("TestPlugInB.xap", UriKind.Relative)); catalog.Catalogs.Add(c1); catalog.Catalogs.Add(c2); CompositionHost.Initialize(catalog); c1.DownloadAsync(); c2.DownloadAsync(); I'm sure I'm not using the AggregateCatalog fully here and I need to be able to load any xap's that might be in the directory, not just hardcoding Uri's obviously.... Also, in the MainPage.xaml.cs in the host I have the following collection which MEF puts the plugin's into: [ImportMany(AllowRecomposition = true)] public ObservableCollection<IPlugInApp> PlugIns { get; set; } Again, this works, but I'm pretty sure I'm using ImportMany incorrectly.... Finally, the MainPage.xaml.cs file implements IPartImportsSatisfiedNotification and I have the following for handling the plugin's once loaded: public void OnImportsSatisfied() { sp.Children.Clear(); foreach (IPlugInApp plugIn in PlugIns) { if (plugIn != null) sp.Children.Add(plugIn.GetUserControl()); } } This works, but it seems filthy that it runs n times (n being the number of xap's to load). I'm having to call sp.Children.Clear() as if I don't, when loading the 2 plugin's, my stack panel is populated as follows: TestPlugIn A TestPlugIn A TestPlugIn B I'm clearly missing something here. Can anyone point out what I should be doing? Thanks!

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  • Objective-C Plugin Architecture Security (Mac, not iphone)

    - by Tom Dalling
    I'm possibly writing a plugin system for a Cocoa application (Mac, not iphone). A common approach is the make each plugin a bundle, then inject the bundle into the main application. I'm concerned with the security implications of doing this, as the bundle will have complete access to the Objective-C runtime. I am especially concerned with a plugin having access to the code that handles registration and serial keys. Another plugin system we are considering is based on distributed notifications. Basically, each plugin will be a separate process, and they will communicate via distributed notifications only. Is there a way to load bundles securely (e.g. sandboxing)? If not, do you see any problems with using distributed notifications? Are there any other plugin architectures that would be better?

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  • Ruby - encrypted_strings

    - by Tom Andersen
    A bit of a Ruby newbie here - should be an easy question: I want to use the encrypted_strings gem to create a password encrypted string: (from http://rdoc.info/projects/pluginaweek/encrypted_strings) Question is: Everything works fine, but how come I don't need the password to decrypt the string? Say I want to store the string somewhere for a while,like the session. Is the password also stored with it? (which would seem very strange?). And no, I'm not planning on using 'secret-key' or any similar hack as a password. I am planning on dynamically generating a class variable @@password using a uuid, which I don't store other than in memory, and can change from one running of the program to the next. Symmetric: >> password = 'shhhh' => "shhhh" >> crypted_password = password.encrypt(:symmetric, :password => 'secret_key') => "qSg8vOo6QfU=\n" >> crypted_password.class => String >> crypted_password == 'shhhh' => true >> password = crypted_password.decrypt => "shhhh"

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  • WPF TextBox Custom Dictionary Support

    - by Tom Allen
    Has anyone found a workaround yet for getting custom dictionary support working for the built in spellchecking on WPF TextBoxes/RichTextBoxes? We've been probing the spelling stuff with reflector hoping to find where the dictionary entries are coming from, but it's looking very much like it's going to be a COM object.... I know it's not currently supported and that Microsoft were looking into supporting it in a future release, but that was quite a while ago and I can't seem to find any recent news about it. Clutching at staws, I've posted a suggestion up on Connect: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=470233

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  • Using jQuery's $.getScript(), can I sense 304 Not Modified Headers?

    - by Tom
    I have an application (a widget) where I use $.getScript() on a 5 minute timer, loading a file every five minutes. I then take the contents of the file I just downloaded, and rebuild my page, so that my widget can update. Most of the time, however, the file is unchanged, and firebug displays a 304 Not Modified header every 5 minutes, as my timer executes $.getScript(). I would like to sense when the file is not modified, so that I don't use up user resources, rebuilding the page for no reason. Is it possible to obtain html headers when using $.getScript()?

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  • Software developer trying to charge us $4,000 for a quoted project of $1,600. What options do I have

    - by Tom Jones
    This is totally out in left field... but I'm grasping at straws here... We hired a software developer and later found out he lives in Pakistan. He quoted us $1,600 for a project… and now that the project is done, he sent us a bill for $4,000. He didn't let us know he went over the quote… he just continued working without notifying us. Now he expects us to pay the $4,000 when he originally told us, via email, that it would NOT be more than $1,600. What options do I have?

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  • Guide for http://www.ch-werner.de/javasqlite java wrapper library for SQlite?

    - by Tom Nielsen
    I'm working on a large computer science school project using java and SQlite. After finding out that the zentus.org wrapper errors on databases with ON DELETE and ON UPDATE clauses set, I have changed to the other wrapper found at http://www.ch-werner.de/javasqlite. However, I find the documentation lacking somewhat when trying to get an overview on how it works and how to use it, and the function descriptions are very very short, and you have to scan through every function and somewhat guess how they work and what they do. I wasn't able to find any guides on google on how to use it. My question: Does anyone know a link for a guide or tutorial for the ch-werner.de/javasqlite wrapper, or else can give me a basic code example, or give a quick overview of querying the database and the most used functions, and how to use them?

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  • RSA example that do not use NoPadding

    - by Tom Brito
    Where can I find a RSA encrypt example that does not use "NoPadding"? --update Better: how to make this code run correctly without throw the "too much data for RSA block" exception? import java.math.BigInteger; import java.security.KeyFactory; import java.security.interfaces.RSAPrivateKey; import java.security.interfaces.RSAPublicKey; import java.security.spec.RSAPrivateKeySpec; import java.security.spec.RSAPublicKeySpec; import javax.crypto.Cipher; /** * Basic RSA example. */ public class TestRSA { public static void main(String[] args) throws Exception { byte[] input = new byte[100]; Cipher cipher = Cipher.getInstance("RSA/None/NoPadding", "BC"); KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC"); // create the keys RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(new BigInteger("d46f473a2d746537de2056ae3092c451", 16), new BigInteger("11", 16)); RSAPrivateKeySpec privKeySpec = new RSAPrivateKeySpec(new BigInteger( "d46f473a2d746537de2056ae3092c451", 16), new BigInteger("57791d5430d593164082036ad8b29fb1", 16)); RSAPublicKey pubKey = (RSAPublicKey) keyFactory.generatePublic(pubKeySpec); RSAPrivateKey privKey = (RSAPrivateKey) keyFactory.generatePrivate(privKeySpec); // encryption step cipher.init(Cipher.ENCRYPT_MODE, pubKey); byte[] cipherText = cipher.doFinal(input); // decryption step cipher.init(Cipher.DECRYPT_MODE, privKey); byte[] plainText = cipher.doFinal(cipherText); } }

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  • Symfony/Doctrine: Unserialize in action vs template

    - by Tom
    Hi, Can anyone tell me why calling "unserialize" works fine in an action but gives an offset error in a template? It's basically possible to unserialize a database text result into a variable in an action and pass it to template, in which case it displays fine: $this->clean = unserialize($this->raw); <?php echo $clean ?> But not if called directly in a template: <?php echo unserialize($raw) ?> Would be interested in knowing why this is so and whether there's some workaround. Thanks.

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  • Problem with std::map and std::pair

    - by Tom
    Hi everyone. I have a small program I want to execute to test something #include <map> #include <iostream> using namespace std; struct _pos{ float xi; float xf; bool operator<(_pos& other){ return this->xi < other.xi; } }; struct _val{ float f; }; int main() { map<_pos,_val> m; struct _pos k1 = {0,10}; struct _pos k2 = {10,15}; struct _val v1 = {5.5}; struct _val v2 = {12.3}; m.insert(std::pair<_pos,_val>(k1,v1)); m.insert(std::pair<_pos,_val>(k2,v2)); return 0; } The problem is that when I try to compile it, I get the following error $ g++ m2.cpp -o mtest In file included from /usr/include/c++/4.4/bits/stl_tree.h:64, from /usr/include/c++/4.4/map:60, from m2.cpp:1: /usr/include/c++/4.4/bits/stl_function.h: In member function ‘bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = _pos]’: /usr/include/c++/4.4/bits/stl_tree.h:1170: instantiated from ‘std::pair<typename std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(const _Val&) [with _Key = _pos, _Val = std::pair<const _pos, _val>, _KeyOfValue = std::_Select1st<std::pair<const _pos, _val> >, _Compare = std::less<_pos>, _Alloc = std::allocator<std::pair<const _pos, _val> >]’ /usr/include/c++/4.4/bits/stl_map.h:500: instantiated from ‘std::pair<typename std::_Rb_tree<_Key, std::pair<const _Key, _Tp>, std::_Select1st<std::pair<const _Key, _Tp> >, _Compare, typename _Alloc::rebind<std::pair<const _Key, _Tp> >::other>::iterator, bool> std::map<_Key, _Tp, _Compare, _Alloc>::insert(const std::pair<const _Key, _Tp>&) [with _Key = _pos, _Tp = _val, _Compare = std::less<_pos>, _Alloc = std::allocator<std::pair<const _pos, _val> >]’ m2.cpp:30: instantiated from here /usr/include/c++/4.4/bits/stl_function.h:230: error: no match for ‘operator<’ in ‘__x < __y’ m2.cpp:9: note: candidates are: bool _pos::operator<(_pos&) $ I thought that declaring the operator< on the key would solve the problem, but its still there. What could be wrong? Thanks in advance.

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  • PHP: Array of objects is empty when I come to retrieve one from the array

    - by Tom
    Good morning, I am trying to load rows from a database and then create objects from them and add these objects to a private array. Here are my classes: <?php include("databaseconnect.php"); class stationItem { private $code = ''; private $description = ''; public function setCode($code ){ $this->code = $code; } public function getCode(){ return $this->code; } public function setDescription($description){ $this->description = $description; } public function getDescription(){ return $this->description; } } class stationList { private $stationListing; function __construct() { connect(); $stationListing = array(); $result = mysql_query('SELECT * FROM stations'); while ($row = mysql_fetch_assoc($result)) { $station = new stationItem(); $station->setCode($row['code']); $station->setDescription($row['description']); array_push($stationListing, $station); } mysql_free_result($result); } public function getStation($index){ return $stationListing[$index]; } } ?> As you can see I am creating a stationItem object per database row (which for now has a code and description) and I then push these on to the end of my array which is held as a private variable in stationList. This is code which creates this classes and attempts to access the properties on them: $stations = new stationList(); $station = $stations->getStation(0); echo $station->getCode(); I am finding that the sizeof($stationList) at the end of the constructor is 1 but then it is zero when we come to try to get an object from the array using the index. Therefore the error that I get is: Fatal error: Call to a member function getCode() on a non-object Please can someone explain to me why this is happening? I guess I am misunderstanding how object references work in PHP5.

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  • convert special characters but not tags

    - by Tom
    I've got some text which needs converting to use HTML entities, but it also contains tags. Here's a sample: <p>Ofcom issued the warning to Global-owned GWR in Bristol – which is required to operate as a "contemporary and chart music and information station" – for operating outside the music </p> The (" and -) need to be converted but the paragraph tags must remain HTML. Using something like htmlentities converts everything, how can I convert everything but the tags?

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  • LookAndFeel not changing in Ubuntu

    - by Tom Brito
    Anyone knows Why the laf is not changing in the following code? (running in Ubuntu) import java.awt.Dialog; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JComboBox; import javax.swing.JDialog; import javax.swing.JPanel; import javax.swing.UIManager; import javax.swing.UIManager.LookAndFeelInfo; public class TEST extends JPanel { public TEST() { final LookAndFeelInfo[] lafArray = UIManager.getInstalledLookAndFeels(); String[] names = new String[lafArray.length]; for (int i = 0; i < names.length; i++) { names[i] = lafArray[i].getName(); } final JComboBox cb = new JComboBox(names); cb.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ev) { try { int index = cb.getSelectedIndex(); LookAndFeelInfo lafInfo = lafArray[index]; String lafClassName = lafInfo.getClassName(); System.out.println(lafClassName); UIManager.setLookAndFeel(lafClassName); } catch (Exception e) { e.printStackTrace(); } } }); add(cb); } public static void main(String[] args) throws Exception { System.out.println("start"); JDialog dialog = new JDialog(null, Dialog.ModalityType.APPLICATION_MODAL); dialog.setContentPane(new TEST()); dialog.pack(); dialog.setLocationRelativeTo(null); dialog.setVisible(true); dialog.dispose(); System.out.println("end"); } }

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  • Oracle: Insertion on an indexed table, avoiding duplicates. Looking for tips and advice.

    - by Tom
    Hi everyone, Im looking for the best solution (performance wise) to achieve this. I have to insert records into a table, avoiding duplicates. For example, take table A Insert into A ( Select DISTINCT [FIELDS] from B,C,D.. WHERE (JOIN CONDITIONS ON B,C,D..) AND NOT EXISTS ( SELECT * FROM A ATMP WHERE ATMP.SOMEKEY = A.SOMEKEY ) ); I have an index over A.SOMEKEY, just to optimize the NOT EXISTS query, but i realize that inserting on an indexed table will be a performance hit. So I was thinking of duplicating Table A in a Global Temporary Table, where I would keep the index. Then, removing the index from Table A and executing the query, but modified Insert into A ( Select DISTINCT [FIELDS] from B,C,D.. WHERE (JOIN CONDITIONS ON B,C,D..) AND NOT EXISTS ( SELECT * FROM GLOBAL_TEMPORARY_TABLE_A ATMP WHERE ATMP.SOMEKEY = A.SOMEKEY ) ); This would solve the "inserting on an index table", but I would have to update the Global Temporary A with each insertion I make. I'm kind of lost here, Is there a better way to achieve this? Thanks in advance,

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  • TeamCity with TFS - workspace problems

    - by Tom
    Hi, We have been using CC.NET as our CI server for a month or so now, which has worked ok with TFS. In the config we were able to specify the TFS server, username, password, project and workspace which is all good. Now we are moving over to TeamCity mainly because it just seams more solid and is much nicer to use. The problem is getting it work with TFS. For the purpose of this, both the workspace and machine name are "BuildMachine", username is "BuildUser" TFS project is "$/Project/Dev/Website" I seam to have set it up correctly, I think, as when testing the connection it is successful. When I run a build I get a TFS error: "RunBuildException when running build stage UpdateSourcesFromServer." It goes on to say: "No matched workspaces were found. Will recreate workspace and perofming clean checkout." It then tries to create a new workspace something like this: TeamCity-S-sqa9qe2aulx22gz4rzkogl5kr/BuildUser It tries to set up some mappings and then fails because: "The working folder C:\ is already in use by the workspace BuildMachine;BuildUser on computer BuildMachine". This seams ok as this is the workspace that CC.net was using, and c:\project\dev\website is the path to the project. The problem is, why didn't TeamCity pick this up and use this workspace? Why does it try to create its own new one? Any idea how I can fix this? Thanks

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  • jQuery Corners and IE Problems

    - by Tom
    Hi Guys, I am using "malsups" jQuery corner plugin - http://jquery.malsup.com/corner/ - and having a bit of nightmare of a time with IE. Basically I have <ol><li> <span class="main"> <span class="test1"></span> <span class="test2"></span> <span class="test3"> <span id="test4"></span> <span id="special" class="special"> <span class="test4">TEXT</span> </span> </span> </li></ol> Basically, in IE when I try and make the id="special" have rounded corners - i get a distorted view. I think its something related to problems with referencing li elements using jQuery('#special').corner('5px'); Could anyone help :) ?

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  • keywords in latex

    - by Tom
    Hi, Is there any enviroment / package to specify the keywords in a latex article? something like \begin{keywords} latex, stackoverflow, howto \end{keywords}

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  • Regex: How do I match some regex logic 1 or more times?

    - by tom
    I already have some regex logic which says to look for a div tag with class=something. However, this might occur more than once (one after another). You can't simply add square brackets around that complex regex logic already (e.g. [:some complicated regex logic already existing:]* -- so how do you do it in regex? I want to avoid having to use the programming language logic to append that regex logic after itself if I can... Thanks

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  • Grouping a query with php

    - by Tom Hoad
    Basic question! I have 2 tables FRUIT id | fruit_name ------------------- 1 | Apple 2 | Banana 3 | Carrot VARIETIES id | fk_fruit_id | variety_name --------------------------------------- 1 1 Cox 2 1 Braeburn 3 2 Chester 4 3 Kotaka 5 3 Imperial 6 3 Oneal I'd like to output a list of varieties per fruit e.g. APPLE - Cox, Braeburn BANANA - Chester CARROT - Kotaka, Imperial, Oneal My current code is $query = "SELECT * FROM produce, varieties WHERE produce.id = varieties.fk_fruit_id"; $result = mysql_query($query) or die('Error : ' . mysql_error()); while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) { $produce_fruit_code = $row['fruit_code']; $variety_name = $row['variety_name']; echo $produce_fruit_code.' - '.$variety_name.'<br/>'; } which outputs: Apple - Cox Apple - Braeburn Banana - Chester Carrot - Kotaka Carrot - Imperial Carrot - Oneal Not a million miles away, but still not there. Any help is much appreciated, thanks!

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  • UISpy in Visual Studio?

    - by Tom
    Does Visual Studio .NET 2008 come with UISpy? I ask this for for the reason that my copy of VS installed, but everything else pretty much errored out and I want to know if I need to fix it for UISpy (not worried about compact framework or device emulators). Thanks.

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  • AutoClick button in webBrowser?

    - by Tom
    What i'm trying to do is automate the clicking of a button if a condition is met but there are other buttons that are on the page that have the same name, but do different things. Example: Accept Button-->Some random Text1-->more random Text1 : "onclick=randomwebpage.com/12345.php" Accept button-->some random Text2-->more random Text2 : "onclick=randomwebpage.com/67890.php" All Accept buttons belong to the same button class "buttong". How would I simulate a click using the webBrowser controls?

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