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• SQLServer Binary Data with ActiveRecord and JDBC

  - by John Duff

  I'm using the activerecord-jdbc-adapter with ActiveRecord to be able to access a SQLServer database for Rails Application running under jRuby and am having trouble inserting binary data. The Exception I am getting is below. Note I just have a blurb for the binary data from the fixtures that was working fine for MySQL. ActiveRecord::StatementInvalid: ActiveRecord::ActiveRecordError: Operand type clash: nvarchar is incompatible with image: INSERT INTO blobstorage_datachunks ([id], [datafile_id], [chunk_number], [data]) VALUES (369397133, 663419003, 0, N'GIF89a@') When I created the tables the migration had binary and SQLServer used Image instead. We're using Rails 2.3.5, SQLServer Express 2008. What I'm looking for is a way to get the binary data into SQLServer with ActiveRecord. Thanks in advance for the help.

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• What Determines the Default Setting of the x87 FPU Control Word?

  - by Rick Regan

  What determines the default setting of the x87 FPU control word -- specifically, the precision control field? Does the compiler set it based on the target processor? Is there a compiler option to change it? Using Microsoft Visual C++ 2008 Express Edition on an Intel Core Duo processor, the default setting for the precision control field is "01b", meaning double (53 bit) precision. I'm wondering -- why is the default not "11"b, or extended (64 bit) precision? (I know I can change it using _controlfp.)

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• Sharepoint Foundation 2010 development environment installation problems

  - by Robert Koritnik

  I'm having problems installing development machine for Sharepoint (Foundation) 2010. This is what I did so far on the same machine: Installed a clean Windows 7 x64 with 4GB of RAM without being part of any domain. Just a simple standalone machine. Enabled IIS related features as described here except IIS6 related ones (two of them) Installed SQL Server 2008 R2 Development Edition (DB Engine and Writer being enabled but not SQL Agent) Installed Visual Studio 2010 Premium Started installing Sharepoint Foundation 2010 with first extracting files, changing config to enable Windows 7 installation and then installed it as Server Farm (then Complete) to avoid installing SQL Express. Created a separate SPF_CONFIG local user with Logon on as a service right. Opened SPF Management Shell and run New-SPConfigurationDatabase so I am able to use a non-domain username (SPF_CONFIG that I created in the previous step) But all I get is this: The outcome after this error is: Database Sharepoint2010Config is created User SPF_CONFIG is added to SQL Server and attached to this newly created database as dbowner Checking SQL server security logins this user has following rights: dbcreator securityadmin public

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• Oracle Apex:Why is this dynamic action not getting triggered/fired ?

  - by Sathya

  I'm using Application Express 4.0.0.00.25 ( Apex 4.0 EA2 ). I've created a tabular form, with few fields. Each of the field are not direct entry, but rather a LOV picker is attached to these, and on selecting the LOV value, the id gets stored in the field. I have a dynamic action associated to the field, ( event - change in item, condition - always, action - Set value via SQL query ). However, on selecting the value from the LOV, the dynamic action doesn't get triggered. If I select the dynamic action to be fired on page load, then it works but not upon selection of an item from the LOV. Why is this so, is it by design or a bug ?

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• Getting-started: Setup Database for Node.js

  - by Emile Petrone

  I am new to node.js but am excited to try it out. I am using Express as a web framework, and Jade as a template engine. Both were easy to get setup following this tutorial from Node Camp. However the one problem I am finding is I can't find a simple tutorial for getting a DB set up. I am trying to build a basic chat application (store session and message). Does anyone know of a good tutorial? This other SO post talks about dbs to use- but as this is very different from the Django/MySQL world I've been in, I want to make sure I understand what is going on. Thanks!

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• weird data-grid-view/crystal-reports behaviour c# winforms

  - by jello

  I have a winforms project which I keep in different versions, each version having its own project folder. All these projects use the same database file, which is copied in each project folder too. So if I run a project, let's say 0.34, and then I try to run 0.35, all the database functions don't work, unless I detach the database in SQL server management studio express. So all the database functions don't work, except the data grid view and/or crystal reports. But then, if I detach the database, and I run any version, all the database functions work, except the data grid view and/or crystal reports. So to recap, when the database functions work (like select), crystal reports doesn't work. But when the database functions don't work because the database is not detached, crystal reports works. weird. any ideas?

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• Good way to find duplicate files?

  - by OverTheRainbow

  Hello I don't know enough about VB.Net (2008, Express Edition) yet, so I wanted to ask if there were a better way to find files with different names but the same contents, ie. duplicates. In the following code, I use GetFiles() to retrieve all the files in a given directory, and for each file, use MD5 to hash its contents, check if this value already lives in a dictionary: If yes, it's a duplicate and I'll delete it; If not, I add this filename/hashvalue into the dictionary for later: 'Get all files from directory Dim currfile As String For Each currfile In Directory.GetFiles("C:\MyFiles\", "File.*") 'Check if hashing already found as value, ie. duplicate If StoreItem.ContainsValue(ReadFileMD5(currfile)) Then 'Delete duplicate 'This hashing not yet found in dictionary -> add it Else StoreItem.Add(currfile, ReadFileMD5(currfile)) End If Next Is this a good way to solve the issue of finding duplicates, or is there a better way I should know about? Thank you.

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• How do you match only valid roman numerals with a regular expression?

  - by Daniel Magliola

  Thinking about my other problem, i decided I can't even create a regular expression that will match roman numerals (let alone a context-free grammar that will generate them) The problem is matching only valid roman numerals. Eg, 990 is NOT "XM", it's "CMXC" My problem in making the regex for this is that in order to allow or not allow certain characters, I need to look back. Let's take thousands and hundreds, for example. I can allow M{0,2}C?M (to allow for 900, 1000, 1900, 2000, 2900 and 3000). However, If the match is on CM, I can't allow following characters to be C or D (because I'm already at 900). How can I express this in a regex? If it's simply not expressible in a regex, is it expressible in a context-free grammar? Thanks for any pointers!

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• Delphi Search Edit Component

  - by Reber

  Hi, I need a delphi component for Delphi 2007 win32 that have features like Google search text box. ** While User writing search key it should fill/refresh the list with values, and user can select one of them. **User can go up and down list and can select one of them. **List should contain codes and text pair, so user can select text and I can get code for database operations. (Google can highlight the search text in List but I think it is not possible with Delphi 2007, so it is not excepted.) I tried Dev Express TcxMRUEdit, however it doesn't meet my needs

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• Setting a Silverlight textbox control's width relatively

  - by John K.

  Hello, I tried searching on stackoverflow for an answer to my question but couldn't seem to find anything relevant. Since I'm relatively new to Silverlight, I'm not even sure if this is possible, but I am trying to figure out if it is possible to set a Silverlight textbox control's width value proportionally to it's immediate parent container? It would be nice to avoid hard coding a width value. Say you want to place a textbox control inside a horizontally aligned StackPanel control and have it's width always dynamically adjusted to be 80% of the total width of the StackPanel. Is this possible to do declaratively in your xaml markup, or will I need to resort to some codebehind attached to some event handler to accomplish this? fyi, I am currently using Visual Web Developer Express 2008 to write my silverlight code. thanks in advance, John

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• NuGet: "Unable to load one or more of the requested types"

  - by Joe White

  I installed NuGet into Visual Web Developer 2010 Express, but when I go to Solution Explorer, right-click on a project's "References" folder, and select "Add Library Package Reference", I immediately get this error: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. There's just an OK button, and no way for me to retrieve the additional information it's telling me about. This is a fresh install of NuGet; I've never installed it on this computer before. How can I fix and/or diagnose this error so I can get NuGet to work?

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• Best open source alternative for MS Visual Source Safe?

  - by afsharm

  We are leaving VSS for TFS or any other alternatives. I'm the one who persists to go for an open source alternative like SVN. Now I'm searching for a good open source Version Control regarding following aspects: We are in love with open source movement and cross-platform. Could it be possible to use it with Mono, SharpDevelop and Express editions of VS instead of Visual Studio itself? What about backup? Is it integrated with VS without serious problems? Any API or command prompt access? Please notice I've read following previous texts about it but still need more help: http://stackoverflow.com/questions/690766/vss-or-svn-for-a-net-project http://stackoverflow.com/questions/61959/tfs-vs-open-source-alternatives http://stackoverflow.com/questions/44588/how-to-convince-a-company-to-switch-their-source-control

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• Problem simulating a key press on Python for Symbian platform on a Nokia 5th ed phone

  - by abhishekbhardwaj007

  I am developing an app for Nokia 5800 Music Express (S60 5th edition) using PyS60 (Python for S60) ,I want to simulate a KeyPress say if a message comes,I detect a message and Press a Key. There does exist a Keypress module for PyS60 for 2nd edition phones which allows this. However I have not been able to install it on my 5th ed phone. Is this module portable? If yes then how do I install it (I get certificate error) and If no then any alternatives for simulating a key press on a 5th edition touch phone?

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• Sharepoint Foundation 2010 installation problems

  - by Robert Koritnik

  I'm having problems installing development machine for Sharepoint (Foundation) 2010. This is what I did so far on the same machine: Installed a clean Windows 7 x64 with 4GB of RAM without being part of any domain. Just a simple standalone machine. Enabled IIS related features as described here except IIS6 related ones (two of them) Installed SQL Server 2008 R2 Development Edition (DB Engine and Writer being enabled but not SQL Agent) Installed Visual Studio 2010 Premium Started installing Sharepoint Foundation 2010 with first extracting files, changing config to enable Windows 7 installation and then installed it as Server Farm (then Complete) to avoid installing SQL Express. Created a separate SPF_CONFIG local user with Logon on as a service right. Opened SPF Management Shell and run New-SPConfigurationDatabase so I am able to use a non-domain username (SPF_CONFIG that I created in the previous step) But all I get is this: The outcome after this error is: Database Sharepoint2010Config is created User SPF_CONFIG is added to SQL Server and attached to this newly created database as dbowner and checking SQL server security logins this user has following rights: dbcreator securityadmin public

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• Client-side Replication for SQL Server?

  - by Mighty Z

  I'd like to have some degree of fault tolerance / redundancy with my SQL Server Express database. I know that if I upgrade to a pricier version of SQL Server, I can get "Replication" built in. But I'm wondering if anyone has experience in managing replication on the client side. As in, from my application: Every time I need to create, update or delete records from the database -- issue the statement to all n servers directly from the client side Every time I need to read, I can do so from one representative server (other schemes seem possible here, too). It seems like this logic could potentially be added directly to my Linq-To-SQL Data Context. Any thoughts?

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• embed ttf as embeded resource can't reference it

  - by HoNgOuRu

  Hi, I've just added a ttf file to the project (c# 2008 express) as "file" and build option to embeded resource. I'm having problems when trying to set this font like this: (I know the next line is wrong...) this.label1.Font = AlarmWatch.Properties.Resources.Baby_Universe; Error 1 Cannot implicitly convert type 'byte[]' to 'System.Drawing.Font' C:\Users\hongo\Documents\Visual Studio 2008\Projects\AlarmWatch\AlarmWatch\Form1.Designer.cs 57 32 AlarmWatch I know it is byte[] cause I've set the option build as embeded resource, but...comparing with this line that is correct "this.label1.Font = new System.Drawing.Font("OCR A Extended", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));" How can I set this.label1 to use the new font??? thanks

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• DBMS for POS software

  - by Andrew Smith

  Hello, I want to develop a POS application in .NET (C#) that would be used to rent items. I have a good idea of what will be done and the famous question that I have is about the DBMS that I should use. I would like to use MySQL database. The question is: If some places use only one computer (no network, no internet connection), can I use a MySQL database in local? Do I need to install MySQL server on all thoses computers to be able to use such a database? I know SQLite but I'm not sure if the limitations can cause problems in the future... I also looked at SQLServer Express versions. (I must consider that other point of sales are using multiple computers and more transactions so there I can't put sqlexpress or sqlite) So can anybody suggest me what I should do in that situation? Thanks

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• Retrieving a filtered list of stored procedures using t-sql

  - by DanDan

  I'm trying to get a list of stored procedures in t-sql. I am using the line: exec sys.sp_stored_procedures; I would like to filter the results back though, so I only get user created stored procedures. I would like to filter out sp_*, dt_*, fn_*, xp_* and everything else that is a system stored procedure and no interest to me. How can I manipulate the result set returned? Using Sql Server 2008 express. Solved! Here is what I used: SELECT name FROM sys.procedures WHERE [type] = 'P' AND name NOT LIKE 'sp_%' AND name NOT LIKE 'dt_%' ORDER BY name ASC;

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• Easiest way to retrofit retry logic on LINQ to SQL migration to SQL Azure

  - by Pat James

  I have a couple of existing ASP .NET web forms and MVC applications that currently use LINQ to SQL with a SQL Server 2008 Express database on a Windows VPS: one VPS for both IIS and SQL. I am starting to outgrow the VPS's ability to effectively host both SQL and IIS and am getting ready to split them up. I am considering migrating the database to SQL Azure and keeping IIS on the VPS. After doing initial research it sounds like implementing retry logic in the data access layer is a must-do when adopting SQL Azure. I suspect this is even more critical to implement in my situation where IIS will be on a VPS outside of the Azure infrastructure. I am looking for pointers on how to do this with the least effort and impact on my existing code base. Is there a good retry pattern that can be applied once at the LINQ to SQL data access layer, as opposed to having to wrap all of my LINQ to SQL operations in try/catch/wait/retry logic?

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• LINQ: Dot Notation vs Query Expression

  - by Martín Marconcini

  I am beginning to use LINQ in general (so far toXML and toSQL). I've seen that sometimes there are two or more ways to achieve the same results. Take this simple example, as far as I understand both return exactly the same thing: SomeDataContext dc = new SomeDataContext(); var queue = from q in dc.SomeTable where q.SomeDate <= DateTime.Now && q.Locked != true orderby (q.Priority, q.TimeCreated) select q; var queue2 = dc.SomeTable .Where( q => q.SomeDate <= DateTime.Now && q.Locked != true ) .OrderBy(q => q.Priority) .ThenBy(q => q.TimeCreated); Besides any mistake I may have made in the syntax or a missing parameter or difference, the idea is that there are two ways to express the same thing; I understand that the first method has some limitations and that the "dot notation" is more complete, but besides that, are there any other advantages?

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• VB.net 'cross-referencing' tables.

  - by Lee

  Hello, I have a DataGridView that is being filled with data from a table. Inside this table is a column called 'group' that has the ID of an individual group in another table. What I would like to do, is when the DataGridView is filled, instead of showing the ID contained in 'group', I'd like it to display the name of the group. Is there some type of VB.net 'magic' that can do this, or do I need to cross-reference the data myself? Here is a breakdown of what the 2 tables look like: table1 id group (this holds the value of column id in table 2) weight last_update table2 id description (this is what I would like to be displayed in the DGV.) take care, lee BTW - I am using Visual Studios Express.

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• static arrays defined with unspecified size, empty brackets?

  - by ahmadabdolkader

  For the C++ code fragment below: class Foo { int a[]; // no error }; int a[]; // error: storage size of 'a' isn't known void bar() { int a[]; // error: storage size of 'a' isn't known } why isn't the member variable causing an error too? and what is the meaning of this member variable? I'm using gcc version 3.4.5 (mingw-vista special) through CodeBlocks 8.02. On Visual Studio Express 2008 - Microsoft(R) C/C++ Optimizing Compiler 15.00.30729.01 for 80x86, I got the following messages: class Foo { int a[]; // warning C4200: nonstandard extension used : zero-sized array in struct/union - Cannot generate copy-ctor or copy-assignment operator when UDT contains a zero-sized array }; int a[]; void bar() { int a[]; // error C2133: 'a' : unknown size } Now, this needs some explaination too.

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• asp:Menu Not working on webhost

  - by Brian

  I'm using Visual Studio Web Express 2008 to develop an ASP.Net website. I have a master page that every page inherits from and on that master page I have the asp:menu control. On my local machine the menu control works just fine. The javascript is emitted and the links work as well. However, when I upload it to my webhost service provider, the javascript is not emitted and my links do not work. I'm getting a feeling that my service provider really doesn't know much about .Net as they suggested that I make sure that I upload the .js files which isn't necessary. Does anyone have any suggestions that I can give them? They're asking me what requirements are needed. It seems to me that something is not setup on their server properly but according to them, they have .Net 3.5 SP1 installed.

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• Firewall will not play ball

  - by Jason94

  I'm running SQL Server 2008 Express on a windows 2012... or at least I'm trying to :) My problem is that I have opened the ports I thought I needed but still I cant manage to connect to the database from Visual Studio. As proof I have a screenshot of my firewall settings: Everything works fine if I turn the firewall off, but who wants that while connected to the internet? So I wonder what the heck is wrong? Is that some arbitrary ports that gets blocked? Is that a feature on the server (maybe its the same for 2008?) Large image: http://bildr.no/view/1280743

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• Error: The Side-by-Side configuration information in "BLAH.EXE" contains errors.

  - by Jim Buck

  This is the error Dependency Walker gives me on an executable that I am building with VC++ 2005 Express Edition. When trying to run the .exe, I get: This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem. (I am new to the manifest/SxS/etc. way of doing things post VC++ 2003.) EDIT: I am running on the same machine I am building the .exe with. In Event Viewer, I have the unhelpful: Faulting application blah.exe, version 0.0.0.0, faulting module blah.exe, version 0.0.0.0, fault address 0x004239b0.

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