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• Deploying 32 and 64 bit COM objects on 64 bit machine from one VS setup project MSI.

  - by hooligan

  I have a Shell Namespace Extension C++ COM DLL that must have both a 32 bit and 64 bit version installed on a 64 bit machine, because when 32 bit applications perform a file- open the dialog that is presented is a 32 bit shell. The problem is that both my 32 bit and 64 bit COM objects have the same progid and the VS setup project will throw an error when including two files with the same progid. How do I get around this issue if I want to maintain the same code for both 32 and 64 bit? Currently I just have two different MSI's (32 and 64) and they both must be ran on the 64 bit machine.

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• StyleCop 4.4 works inside VS.NET 2010 but not MSBuild command line

  - by Steve Michelotti

  We are seeing extremely strange results where StyleCop will correctly report violations when run from within Visual Studio 2010. However, when we run msbuild on the command line (e.g., "MSBuild.exe mySolution.sln") it reports "No violations encountered" when clearly there are the same violations as when we ran it within Visual Studio. Is this a bug in the latest release of StyleCop? Or in the 2010 integration? Is there anything you can tell me about possible differences with StyleCop executing from within VS.NET versus MSBuild command line? Thanks.

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• SQL Server Compact with Visual Studio 2008

  - by Thomas

  I am running SQL server 2008 and Visual Studio 2008 on Vista. I downloaded SQL server compact 3.5 SP1 from Microsofts website and ran the install. When I open the server explorer for any windows application that I'm working on with VS 2008 and right click on data connections and then on add a connection a dialog comes up with available data providers. The problem is that SQL compact is not one of the options. Any idea why SQL compact is not showing up as a data provider in VS 2008?

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• bjam wih visual studio 2010

  - by ra170

  ok, so I ran into problems with Boost under visual studio 2010, so I decided to rebuild it with bjam: such as: bjam --toolset=msvc-10.0 --build-type=complete After running bjam (successfully?) it created a new directory under boost_1_42_0 called: bin.v2 Inside bin.v2 is directory called: libs. Two issues: 1. there's lot less libs under that new directory (about 13), the old directory libs has 88. Is it supposed to be like that or did something fail? 2. the structure is somewhat different too. What do I do with this exactly? Meaning, do I copy it over to the original libs, delete the old libs, try rebulding it with different flags?

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• How do I tweet, using the DotNetOpenAuth library?

  - by MedicineMan

  I just downloaded the DotNetOpenAuth library and ran the AuthConsumer demo. It is an excellent library so far! Everything worked as advertised, which has not been my experience with a lot of Facebook and Twitter sample code that I have been working with recently. What I am trying to figure out is: How do I tweet using this library? I am currently planning to implement this in ASP MVC, but my initial thoughts is that the presentation platform doesn't matter all that much at the level I'm looking at.

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• perl: Run remote perl script through SSH and query environment variables on remote machine

  - by kakyo

  I'm running a perl script through SSH, in the perl script I query environment variables using $ENV{MY_VAR_NAME} and it works fine when run locally. But through SSH, all environment variables become unset. I also tried to run system("source ~/.bash_profile"); at the beginning of my script to no avail. Any tips? EDIT: Rephrasing my question. I have machine A and B. I ran my perl on machine B, trying to get the environment variables on B and it worked. Then I ssh from A to B running the same script, i.e., using this code ssh user@B perl myscript.pl This time the environment variables on B are all blank. Any tips? UPDATE: I found that running the above script, ~/.bashrc on Machine B was invoked, but after setting environment variables in ~/.bashrc, run the above command again and still I don't see any environment variables. Also, if my perl script contains only echo $ENV{PATH} Then I get /usr/bin:/bin:/usr/sbin:/sbin

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• FIPS-compliant encryption in .NET 2.0

  - by Odrade

  We have a .NET 2.0 application that uses the RijindaelManaged class to encrypt some sensitive data. This was fine until we ran into some machines that require the use of FIPS-compliant algorithms. We'd like to switch to AesCryptoServiceProvider, but most of our target machines haven't upgraded past .NET 2.0. Requiring an upgrade is out of the question. After all, upgrades are scary! Is there any way we could use AesCryptoServiceProvider in a .NET 2.0 application? Since 3.5 uses the 2.0 CLR, I was hoping there might be a way to build the needed libraries into the app. Failing that, could someone point me to a reference on the native API that's wrapped by AesCryptoServiceProvider?

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• Eclipse and python: library will import in interprer, but not in IDE

  - by John

  I'm running Windows 7, Python 2.6.4 and the latest version of Eclipse. I downloaded the boto library (http://code.google.com/p/boto/) and ran python setup.py install, which created boto-1.9b-py2.6.egg in C:\Python26\Lib\site-packages. Importing a class - say, by doing 'from boto.sqs.connection import SQSConnection' - works fine from the python command line tool. But Eclipse will not find boto, despite the fact that it is using the same python interpreter as I am using when at the command line. I added the library as an external source folder, but that didn't work either. How can I properly import the boto library into Eclipse? Thanks.

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• VC7.1 C1204 internal compiler error

  - by Nathan Ernst

  I'm working on modifying Firaxis' Civilization 4 core game DLL. The host application is built using VC7, hence the constraint (source not provided for the host EXE). I've been working on rewriting a large chunk of the code (focusing on low-hanging performance issues & memory leaks). I recently ran into an internal compiler error when trying to mod the code to use an array class instead of dynamically allocated 2-d arrays, I was going to use matrices from the boost lib (Civ4 is already using boost, so why not?). Basically, the issue comes down to: if I include "boost/numeric/ublas/matrix.hpp", I run into an internal compiler error C1204. MSDN has this to say: MSDN C1204 KB has this to say: KB 883655 So, I'm curious, is it possible to solve this error without a KB/SP being applied and dramatically reducing the complexity of the code? Additionally, as VC7 is no longer "supported", does anyone have a valid (supported) link for a VC7 service pack?

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• I have a having a a matrix index bounds in matlab

  - by Ben Fossen

  I keep getting the error( this is in Matlab) Attempted to access r(0,0); index must be a positive integer or logical. Error in == Romberg at 15 I ran it with Romberg(1.3, 2.19,8) I think the problem is the statment is not logical because I made it positive and still got the same error. anyone got some ideas of what i could do? function Romberg(a, b, n) h = b - a; r = zeros(n,n); for i = 1:n h = h/2; sum1 = 0; for k = 1:2:2^(i) sum1 = sum1 + f(a + k*h); end r(i,0) = (1/2)*r(i-1,0) + (sum1)*h; for j = 1:i r(i,j) = r(i,j-1) + (r(i,j-1) - r(i-1,j-1))/((4^j) - 1); end end disp(r); end function f_of_x = f(x) f_of_x = sin(x)/x; end

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• dataset tables row count 'zero'

  - by James123

  I am using dataadapter.Fill() into dataset. But dataset returning tables rows count zero (0). When I ran same sp in sql mgmt. It is returning two tables data. If attributeId = 1 Then spString = "USP_group_1" ElseIf attributeId = 2 Then spString = "USP_group_2" ElseIf attributeId = 3 Then spString = "USP_group_3" End If sqlcmd_q.CommandTimeout = 120 sqlcmd_q.Connection = sqlCnn sqlcmd_q.CommandText = spString sqlcmd_q.CommandType = CommandType.StoredProcedure sqlcmd_q.Parameters.AddWithValue("@client_id", clientId) Try sqlCnn.Open() Dim daGrid As New SqlDataAdapter(sqlcmd_q) daGrid.Fill(dsGrid) daGrid.Dispose() Return dsGrid I don't understand why this happening?

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• Unable to reverse seemingly simple rails migration - getting "altered_table.column may not be NULL"

  - by brad

  I have a table 'invoices' in my development database (sqlite3) populated with a small amount of test data. I wanted to add a column 'invoice_number' to it and set up a migration like so: class AddInvoiceNumberColumnToInvoices < ActiveRecord::Migration def self.up add_column :invoices, :invoice_number, :integer end def self.down remove_column :invoices, :invoice_number end end I ran rake db:migrate and it seemed to migrate just fine. However, when I tried to access this column through ActiveRecord it didn't seem to be there. I decided to undo this migration and try again (not sure what I was going to try but I thought I'd start by undoing it) with rake db:migrate VERSION='whatever_the_migration_before_this_one_was_called'. This failed with the error message == AddInvoiceNumberColumnToInvoices: reverting =============================== -- remove_column(:invoices, :invoice_number) rake aborted! An error has occurred, this and all later migrations canceled: altered_invoices.invoice_number may not be NULL I can't find any documentation of this error. Is anyone able to explain what I have done wrong, and more importantly how I can fix this?

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• asp:Login control requests

  - by Dean

  Hi All, ran into an issue, we are using webforms with a site with this dir structure: root: / secure : /securepages/ we only want users who are logged in to access /securepages/. currently we are using the login control, 3.5, forms auth, all is working ok but know we have thrown assl cert into the mix and the issue is that the login control is requesting WebResource.axd?d=XukT0PE1PS-iOKw3RT8Z6g2&t=633834231612265882 from the non secure url e.g. ht tp://www.mysite.com/WebResource.axd?d=XukT0PE1PS-iOKw3RT8Z6g2&t=633834231612265882 . This causes the browser to prompt the user to download unsecure content. I am using some redirecting in the global.asax to handle redirection to https://xx xxxlogin.aspx if login.aspx it requested from http://. thanks

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• lingpipe terms of service

  - by Ke

  hi, im reading the lingpipe terms of service here - Lingpipe tos Does this mean that if i use lingpipe and integrate it into some other software ive built myself I have to make the software ive built myself available as open source? is this normal with OS licences? im referring to this bit Whether you distribute the Software or not, if you distribute any computer program that is not the Software, but that (a) is distributed in connection with the Software or contains any part of the Software, (b) causes the Software to be copied or modified (i.e., ran, used, or executed), such as through an API call, or (c) uses any output of the Software, then you must distribute that other computer program under a license defined as a Free Software License by the Free Software Foundation or an Approved Open Source License by the Open Source Initiative. cheers ke

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• Manually inserting varbinary data into SQL Server

  - by Jeremy Jarrell

  Hi, We have a SQL Server table for user settings. Originally the settings were domain objects which had been serialized as XML into the table but we recently begun serializing them as binary. However, as part of our deployment process we statically pre-populate the table with predefined settings for our users. Originally, this was as simple as copying the XML from a customized database and pasting it into an INSERT statement that was ran after the database was built. However, since we've moved to storing the settings as binary data we can't get this to work. How can we extract binary data from a varbinary column in SQL Server and paste it into a static INSERT script? We only want to use SQL for this, we don't want to use any utilities. Thanks in advance, Jeremy

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• Simple object creation with DIY-DI?

  - by Runcible

  I recently ran across this great article by Chad Perry entitled "DIY-DI" or "Do-It-Yourself Dependency Injection". I'm in a position where I'm not yet ready to use a IoC framework, but I want to head in that direction. It seems like DIY-DI is a good first step. However, after reading the article, I'm still a little confused about object creation. Here's a simple example: Using manual constructor dependency injection (not DIY-DI), this is how one must construct a Hotel object: PowerGrid powerGrid; // only one in the entire application WaterSupply waterSupply; // only one in the entire application Staff staff; Rooms rooms; Hotel hotel(staff, rooms, powerGrid, waterSupply); Creating all of these dependency objects makes it difficult to construct the Hotel object in isolation, which means that writing unit tests for Hotel will be difficult. Does using DIY-DI make it easier? What advantage does DIY-DI provide over manual constructor dependency injection?

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• How to sync with eclipse target management?

  - by SpliFF

  I've been using the Jcraft SFTP plugin for Team Synchronisation up till now but I ran across a rumour it's being deprecated by "Target Management". Still, despite my best efforts I haven't found any information on HOW you are supposed to setup a sync with RSE/Target Management. Can anybody provide a step-by-step guide or at least clarification on whether this is actually possible right now or just a planned feature. I do my testing locally then sync to the remote - which may have changes made by other users. I want to be able to see differences and deal with conflicts etc just like with the current Team Synchronization framework.

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• Workaround iPhone's browser not honoring the <label> element

  - by Sorin Comanescu

  Hi, Just ran into this recently and I thought it'd be helpful to share. The HTML <label> element is supported in a weird way by iPhone's (v3) browser. Try this: <input type="checkbox" id="chkTest" /><label for="chkTest">Click me!</label> Tapping the "Click me!" label has no effect, the checkbox is not checked. Lack of support in a touch device for <label> elements puzzled me and I tried to overcome this issue by using javascript. The surprise came when a I noticed a void javascript like the one below also did the trick: <input type="checkbox" id="chkTest" /><label for="chkTest" onclick="javascript:void(0);">Click me!</label> HTH Further info: Also works with an empty handler: onclick="" Disabling JavaScript inactivates again the label, even if using the empty handler.

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• SetSel on EN_SETFOCUS or WM_SETFOCUS doesn't work

  - by Coder

  I've ran into next mystic thing in Winapi/MFC, I have an edit box, contents of which I have to select on Tab, Lclick, Rclick, Mclick and so on. The sort of obvious path is to handle the SETFOCUS message and call SetSel(0, -1), which should select all text. But it doesn't work! What's wrong? I tried googling, everyone seems to override Lclilks or handle SetSel in parent windows, but this is wrong from encapsulation point of view, also multiple clicks (user wants to insert something in the middle of the text) will break, and so on. Why isn't my approach working, I tried like 10 different ways, tried to trap all possible focus messages, looked up info on MSDN, but nothing works as expected. Also, I need to recreate the carret on focus, which also doesn't seem to work. SETFOCUS message gets trapped alright. If I add __asm int 3, it breaks every time. It's the create carret and setsel that gets swallowed it seems.

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• What is good server performance monitoring software for Windows?

  - by Luke

  I'm looking for some software to monitor a single server for performance alerts. Preferably free and with a reasonable default configuration. Edit: To clarify, I would like to run this software on a Windows machine and monitor a remote Windows server for CPU/memory/etc. usage alerts (not a single application). Edit: I suppose its not necessary that this software be run remotely, I would also settle for something that ran on the server and emailed me if there was an alert. It seems like Windows performance logs and alerts might be used for this purpose somehow but it was not immediately obvious to me. Edit: Found a neat tool on the coding horror blog, not as useful for remote monitoring but very useful for things you would worry about as a server admin: http://www.winsupersite.com/showcase/winvista_ff_rmon.asp

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• How to show scrollbars in TScrollBox after it has been made visible again?

  - by aleluja

  Hi, I've ran into one small problem. I am dynamicaly generating some controls and place them on a TScrollbox component. But i noticed that if scrollbox is visible, user can clearly see each of the controls being created and placed. So it looksl ike lots of work is being done and it is slow. I hid the scrollbox and generated all the controls on it, which took much less time and no flickering and alike. But here's the problem. When i unhide the scrollbox, its' scrollbar doesn't appear untill i actually resize the form. (The alignment of scrollbox is alClient) Any ideas on how to fix this? Tried repainting, but it didn't work. Refresh didn't work either. Thank you

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• Using comet with PHP?

  - by ryeguy

  I was thinking of implementing real time chat using a PHP backend, but I ran across this comment on a site discussing comet: My understanding is that PHP is a terrible language for Comet, because Comet requires you to keep a persistent connection open to each browser client. Using mod_php this means tying up an Apache child full-time for each client which doesn’t scale at all. The people I know doing Comet stuff are mostly using Twisted Python which is designed to handle hundreds or thousands of simultaneous connections. Is this true? Or is it something that can be configured around?

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• How can I view multiple git diffs side by side in vim

  - by Pete Hodgson

  I'd like to be able to run a command that opens up a git diff in vim, with a tab for each file in the diff set. So if for example I've changed files foo.txt and bar.txt in my working tree and I ran the command I would see vim open with two tabs. The first tab would contain a side-by-side diff between foo.txt in my working tree and foo.txt in the repository, and the second tab would contain a side-by-side diff for bar.txt. Anyone got any ideas?

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• Could the assign function for containers possibly overflow?

  - by Kristo

  I ran into this question today and thought I should post it for the community's reference and/or opinions. The standard C++ containers vector, deque, list, and string provide an assign member function. There are two versions; I'm primarily interested in the one accepting an iterator range. The Josuttis book is a little ambiguous with its description. From p. 237... Assigns all elements of the range [beg,end); this is, is replaces all existing elements with copies of the elements of [beg,end). It doesn't say what happens if the size of the assignee container is different from the range being assigned. Does it truncate? Does it automagically expand? Is it undefined behavior?

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• Web Crawling Sites with Javascripts or web forms

  - by Jojo

  Hello everyone, I have a webcrawler application. It successfully crawled most common and simple sites. Now i ran into some types of websites wherein HTML documents are dynamically generated through FORMS or javascripts. I believe they can be crawled and I just don't know how. Now, these websites do not show the actual HTML page. I mean if I browse that page in IE or firefox, the HTML code does not match what's actually in the IE or firefox. These sites contain textboxes, checkboxes, etc... so I believe they are what they call "Web Forms". Actually I am not much familiar with web development so correct me if I'm wrong. My question is, does anyone in similar situation as I am now and have successfully solved these types of "challenges"? Does anyone know of a certain book or article regarding web crawling? Those that pertains to these advanced type of websites? Thanks.

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