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  • can't find linker symbol for virtual table

    - by iSight
    Hi, i have the above problem of linker. I have used the code as under: This code has no probem fprintf(stderr, "Top value:%s",(this->topObject())->top()); But, this code is giving the linker problem: fprintf(stderr, "Top value:%s",(this->topObject())->myName()); What could be the reason for this issue

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  • Building a WSUS server: where to start?

    - by eleven81
    Rather than having all of my computers go out to the internet and download their Automatic Updates, I am seriously considering building a WSUS server. That is, a Windows Update server. I have read some articles, and they have been helpful, but not complete. The following is what I have gleaned are the steps I need to take: Commission a computer to be the server with Windows 2003 Server. Install the WSUS package(s) and select the type of updates to check for. Configure the rest of my computers to be clients of this server. Set the clients to receive updates from the server. My questions are as follows: Does the server have to run Windows 2003 Server, or will Windows XP Professional work? Where do I download the WSUS packages from? How can I configure my computers to look for updates from my server instead of the internet? Thanks!!

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  • Recommendations for supporting both Oracle and SQL Server in the same ASP.NET app with NHibernate

    - by Hugo Zapata
    Our client wants to support both SQL Server and Oracle in the next project. Our experience comes from .NET/SQL Server platform. We will hire an Oracle developer, but our concern is with the DataAccess code. Will NHibernate make the DB Engine transparent for us? I don't think so, but i would like to hear from developers who have faced similar situations. I know this question is a little vague, because i don't have Oracle experience, so i don't know what issues we will find.

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  • server controlled or Synchronized web slide show?

    - by Gnome Guru
    I am creating a e-learning application , where the students (wireless) connect to the teachers machine, the teacher hosts a tomcat server. the teacher has a set of HTML web-pages(each of which can be thought of as a slide). and the students can view a web slide-show on his/her browser... the problem is.... i want the pages on the students browser to be redirected according to the teachers input.. in short: i want the server to automatically redirect all the client browsers to the next page when the teacher wants it to be so... how do i do it?? [i am using JSP/javascript/Java/Tomcat/Eclipse]

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  • Performance optimization for SQL Server: decrease stored procedures execution time or unload the ser

    - by tim
    We have a web service which provides search over hotels. There is a problem with performance: a single request to the service takes around 5000 ms. Almost all of the time is spent in database by executing storing procedures. During the request our server (mssql2008) consumes ~90% of the processor time. When 2 requests are made in parallel the average time grows and is around 7000 ms. When number of request is increasing, the average time of response is increasing as well. We have 20-30 requests per minute. Which kind of optimization is the best in this case having in mind that the goal is to provide stable response time for the service: 1) Try to decrease the stored procedures execution time 2) Try to find the way how to unload the server It is interesting to hear from people who deal with booking sites.

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  • What division operator symbol would you pick?

    - by Mackenzie
    I am currently designing and implementing a small programming language as an extra-credit project in a class I'm taking. My problem is that the language has three numeric types: Long, Double, and Fraction. Fractions can be written in the language as proper or improper fractions (e.g. "2 1/3" or "1/2"). This fact leads to problems such as "2/3.5" (Long/Double) and "2/3"(Long/Long) not being handled correctly by the lexer.The best solution that I see is to change the division operator. So far, I think "\" is the best solution since "//" starts comments. Would you pick "\", if you were designing the language? Would you pick something else? If so, what? Note: changing the way fractions are written is not possible. Thanks in advance for your help,

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  • How to refactor T-SQL stored procedure encapsulating it's parameters to a class

    - by abatishchev
    On my SQL Server 2008 I have a stored procedure with a large number of parameters. The first part of them is used in every call and parameters from the second part are used rarely. And I can't move the logic to two different stored procedures. Is there a way to encapsulate all this parameters to a class or struct and pass it as a stored procedure parameter? Can I use SQL CLR. Are there other ways?

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  • SQL Server 2008, not enough disk space

    - by snorlaks
    Hello, I'm executing sql query on my database. I have SQL Server 2008 installed on my D harddrive which has 55 GB free space. I have also C drive which has sth like 150 MB free (right now). While executing that query on quite a big table (16 GB) I have an error: An error occurred while executing batch. Error message is: Not enough disk space. I would like to know if there is any possibility that I can make SQL Server to use D drive instead of C Or maybe there is any other problem with what I'm doing ? Thanks for help

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  • SQL Server switch to MySQL/PostgreSQL for startup?

    - by chopps
    I just checked out the licensing for SQL Server and well...i can't afford it since im funding this project myself. I have been tinkering with MySQL and PostgreSQL a bit the past few weeks and at this point I can't really decide which to go with. MySQL has a large user base and lots of people using it so finding out how to do various items will not be to hard o find. I will be using ASP.NET with this project. Anyone have experience going from SQL Server to either of these databases? Is one stronger than the other? Thoughts?

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  • can not find symbol

    - by joseph
    // Register JDBC driver Class.forName("net.sourceforge.jtds.jdbc.Driver"); method forName(java.Lang.String) Class.forName("net.sourceforge.jtds.jdbc.Driver); ^

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  • How to get SQL Profiler to monitor trigger execution

    - by firedfly
    I have a trace setup for SQL Server Profiler to monitor SQL that is executed on a database. I recently discovered that trigger execution is not included in the trace. After looking through available events for a trace, I do not see any that look like they would include trigger execution. Does anyone know how to setup a trace to monitor the execution of triggers?

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  • Deployment of a .NET application making use of SQL Server 2008

    - by Victor John Saliba
    I have searched the internet thoroughly for this type of issue, there were responses but hasn't really found a concrete solution yet. I have an application which makes use of SQL Server 2008 R2 and thus it makes connections with a database file which I have set up. The application executes successfully, makes connections with the database and retrieves/inserts/updates data to and fro the database. However when I come to create a deployment project i.e. a setup project, I fail to transfer my database files to other computers and make database connections. I have checked the SQL Server 2008 prerequisite in the publish settings of the application and has also included the database files. Can anyone suggest the best way to this type of setup? Thanks

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  • Is it possible to use a static IP assigned by my ISP for an offsite web server on a VPS (different ISP)?

    - by NightOwl888
    I have a web server on a Virtual Private Server with a hosting provider. Unfortunately, they are really stingy with IP addresses and I need to run several SSL certificates on my server, so I will need a few more than I have. I have a block of 5 static IP addresses on a business package through a different ISP and I am only using 1 of them for connectivity in the office. What I am wondering is if it is possible to use the 4 unused static IP addresses from this ISP on my VPS, which is hosted by another ISP? The VPS (web server) is running Windows Server 2008 R2 Web Edition. If this can be done, please let me know how to configure it.

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  • Symbol exporting problem using __declspec(dllexport)

    - by Gayan
    I use __declspec(dllexport) with several methods in a library. But one of the symbols do not get exported properly. The value in question is called "restart". I've given the output from dumpbin.exe, below: 1 0 0002DB27 ev_err = @ILT+2850(_ev_err) 2 1 0002DADC m_foutput = @ILT+2775(_m_foutput) 3 2 0002D361 m_free = @ILT+860(_m_free) 4 3 0002D505 m_free_vars = @ILT+1280(_m_free_vars) 5 4 0002D055 m_get = @ILT+80(_m_get) 6 5 0002D95B m_ident = @ILT+2390(_m_ident) 7 6 0002D80C m_inverse = @ILT+2055(_m_inverse) 8 7 0002D0F5 m_mlt = @ILT+240(_m_mlt) 9 8 0002D339 m_ones = @ILT+820(_m_ones) 10 9 0002D43D m_rand = @ILT+1080(_m_rand) 11 A 0002DC3F m_resize = @ILT+3130(_m_resize) 12 B 0002D465 m_zero = @ILT+1120(_m_zero) 13 C 0002D3A7 px_foutput = @ILT+930(_px_foutput) 14 D 0002DA2D px_free = @ILT+2600(_px_free) 15 E 00092DE0 restart = _restart 16 F 0002DB45 set_err_flag = @ILT+2880(_set_err_flag) 17 10 0002D550 v_foutput = @ILT+1355(_v_foutput) 18 11 0002D839 v_free = @ILT+2100(_v_free) This seems to indicate that restart did not get exported properly but I can't figure out why. I use the following line to export the method: extern __declspec(dllexport) jmp_buf restart; What is the reason for this anomaly and how can I resolve it?

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  • Composite keys as Foreign Key?

    - by paulio
    I have the following table... TABLE: Accounts ID (int, PK, Identity) AccountType (int, PK) Username (varchar) Password (varchar) I have created a composite key out of ID and AccountType columns so that people can have the same username/password but different AccountTypes. Does this mean that for each foreign table that I try and link to I'll have to create two columns? I’m using SQL Server 2008

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  • How to get the position of a record in a table (SQL Server)

    - by Peter Siegmann
    Following problem: I need to get the position of a record in the table. Let's say I have five record in the table: Name: john doe, ID: 1 Name: jane doe, ID: 2 Name: Frankie Boy, ID: 4 Name: Johnny, ID: 9 Now, "Frankie Boy" is in the third position in the table. But How to get this information from the SQL server? I could count IDs, but they are not reliable, Frankie has the ID 4, but is in the third position because the record with the ID '3' was deleted. Is there a way? I am aware of ROW_RANK but it would be costly, because I need to select basically the whole set first before I can rank row_rank them. I am using MS SQL Server 2008 R2.

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