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• Use a folder of xml files as data source for nhibernate

  - by Bart Van Eyndhoven

  I'm going to start writing NUnit tests for a few classes in my project. A certain number of these classes use data gathered through nhibernate from a sql server 2008 database. The part of the program I'm about to test is very specific (and complicated). Therefore I have made a folder of xml files. Combined, the xml files could result in the database structure. I mean each xml file corresponds to a table in the database. The data in the xml files is also consistent with the database. Is there a way to use this folder of xml files as data source for nhibernate? I mean: can I use nhibernate to gather my test data (wich I have specifically chosen) instead of data from the database? In this way, I could usefully test this component without corrrupting the (test) database for future tests.

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• INSERT INTO temporary table from sp_executsql

  - by gotqn

  Generally, I am bulding dynamic SQL statement that is executing using sp_executsql like this: EXEC sp_executesql @TempSQLStatement I need to insert the return result row set in something (table variable or temporary table), but I am getting the following error: Msg 208, Level 16, State 0, Line 1746 Invalid object name '#TempTable'. after executing this: INSERT INTO #TempTable EXEC sp_executesql @TempSQLStatement From what I have read, I believe the issue is caused because I am not specifying the columns of the temporary table, but I am not able to do this because the return columns count varies. I have read that I can use global temporary tables, but I have done this before and wonder is there an other way to do that.

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• adhoc struct/class in C#?

  - by acidzombie24

  Currently i am using reflection with sql. I find if i want to make a specialize query it is easiest to get the results by creating a new class inheriting from another and adding the 2 members/columns for my specialized query. Then due to reflections in the lib in my c# code i can write foreach(var v in list) { v.AnyMember and v.MyExtraMember) Now instead of having the class scattered around or modifying my main DB.cs file can i define a class inside a function? I know i can create an anonymous object by writing new {name=val, name2=...}; but i need a to pass this class in a generic function func(query, args);

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• recommendations for rich scalable internet application

  - by Wouter Roux

  I am planning to develop a web application that must perform the following actions: User authentication allow authenticated user to download data from USB device (roughly 5 meg data) upload the data from the USB device to processing server process the data and display the results to the user further requirements/restrictions: the USB driver supports windows (2000, XP, Vista, 7) the application must support IE, Firefox and Chrome the USB driver must be installed when pointing to the web application the first time the USB driver exposes functionality through exported functions in dll scalability and eye candy is important server details: Windows Server 2008 Enterprise x64, IIS 7.0, SQL server 2008 With the limited details specified: What technology would you recommend? (eg silverlight/asp.net mvc/wcf). What practices/patterns/3rd party controls would you recommend?

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• VSTO: Attach meta-data to a cell in Excel?

  - by Gustav

  Hi! I'm using VSTO to create an Excel Add-on. This add-on retrieves and display alot of data from a sql-server. This works great, but later on I plan to access some of the data inside excel and modify it in some ways. My problem is that I need a way of classify cells that I want to modify. Is there any way to add meta-data to a cell to know if it is a cell that should be modified? E.g. add a attribute to the cell, e.g. "editable_cell", and do something like Excel.FindCellsWithAttribute("editable_cell") to find the sought after cells? Thanks! /Gustav

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• What would you like to see in an beginner's ASP.NET security book

  - by blowdart

  This is a shameless information gathering exercise for my own book. One of the talks I give in the community is an introduction to web site vulnerabilities. Usually during the talk I can see at least two members of the audience go very pale; and this is basic stuff, Cross Site Scripting, SQL Injection, Information Leakage, Cross Site Form Requests and so on. So, if you can think back to being one, as a beginning web developer (be it ASP.NET or not) what do you feel would be useful information about web security and how to develop securely? I will already be covering the OWASP Top Ten (And yes this means stackoverflow will be in the acknowledgements list if someone comes up with something I haven't thought of yet!) It's all done now, and published, thank you all for your responses

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• Mapped Stored Procedures in EF 1

  - by michael.lukatchik

  All, I'm using mapped Stored Procedures in EF 1. I've completed the following steps: 1) I've created my INSERT, UPDATE, and DELETE queries in SQL Server. 2) I've built the EDMX and imported the INSERT, UPDATE, and DELETE sprocs as part of my model. 3) I've set up a Stored Procedure Mapping on a table inside of my EDMX file. The INSERT, UPDATE, and DELETE sprocs were mapped accordingly. Using this approach, I would expect to rebuild the application (and mine builds successfully) and then see the Stored Procedures as available function names via my EDMX object, such as: _entities.InsertComment(..), _entities.UpdateComment(..), and _entities.DeleteComment(..) Intellisense is not picking these names up and I can't figure out why. If I perform these same steps using EF4, the function names are automatically picked up by Intellisense after adding the Stored Procedure Mappings. Is this a bug in EF1? Is there something else I should be doing? Thanks in advance, Mike

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• How to select a names from a column MS Excel 2007

  - by Alks

  Hey guys, I have an Excel document which has a list of students and their group names. I have another sheet within the the same excel document which is called comments. In this sheet, I would like to have a list of individual team names listed. There are 65 students and 14 defined groups. Is there a way to select the 14 group names, without repitition? Cell B3-B67 have the student names. Cell C3-C67 have the team names. The team names are entered against each student. I know in SQL I could use something like select distinct(team_name) but in Excel, how can I replicate this? Cheers, Alks.

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• Nhibernate: one-to-many, based on multiple keys?

  - by e36M3

  Lets assume I have two tables Table tA ID ID2 SomeColumns Table tB ID ID2 SomeOtherColumns I am looking to create a Object let's call it ObjectA (based on tA), that will have a one-to-many relationship to ObjectB (based on tB). In my example however, I need to use the combination of ID and ID2 as the foreign key. If I was writing SQL it would look like this: select tB.* from tA, tB where tA.ID = tB.ID and tA.ID2 = tB.ID2; I know that for each ID/ID2 combination in tA I should have many rows in tB, therefor I know it's a one-to-many combination. Clearly the below set is not sufficient for such mapping as it only takes one key into account. <set name="A2" table="A2" generic="true" inverse="true" > <key column="ID" /> <one-to-many class="A2" /> </set> Thanks!

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• What is the scope of JS variables in anonymous functions

  - by smorhaim

  Why does this code returns $products empty? If I test for $products inside the function it does show data... but once it finishes I can't seem to get the data. var $products = new Array(); connection.query($sql, function(err, rows, fields) { if (err) throw err; for(i=0; i< rows.length; i++) { $products[rows[i].source_identifier] = "xyz"; } }); connection.end(); console.log($products); // Shows empty.

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• Extremely slow insert from Delphi to Remote MySQL Database

  - by MarkRobinson

  Having a major hair-pulling issue with extremely slow inserts from Delphi 2010 to a remote MySQL 5.09 server. So far, I have tried: ADO using MySQL ODBC Driver Zeoslib v7 Alpha I have used batching and direct insert with ADO (using table access), and with Zeos I have used SQL insertion with a Query, then used Table direct mode and also cached updates Table mode using applyupdates and commit. Both technologies I have tried with compression on and off. So far I have seen a pretty much the same across the board 7.5 records per second!!! Now, I would from this point assume that the remote server is just slow, but the MySQL Workbench is amazingly fast, and the Migration toolkit managed the initial migration very quickly (to be honest, I don't recall how quickly - which kind of means that it was quick) I'm just about to try the MyDAC components as we already use SDAC (wish there was a multi-buy discount or that we'd chosen UniDAC instead now!) Any ideas?

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• Getting a sorted distinct list from mySQL

  - by Stomped

  Goal I'l like to get a list of unique FID's ordered by the the one which has most recently been changed. In this sample table it should return FIDs in the order of 150, 194, 122 Example Data ID FID changeDate ---------------------------------------------- 1 194 2010-04-01 2 122 2010-04-02 3 194 2010-04-03 4 150 2010-04-04 My Attempt I thought distinct and order by would do the trick. I initially tried: SELECT distinct `FID` FROM `tblHistory` WHERE 1 ORDER BY changeDate desc # Returns 150, 122, 194 using GROUP BY has the same result. I'm just barely a SQL amateur, and I'm a bit hung up. What seems to be happening is the aggregating functions find the first occurrence of each and then perform the sort. Is there a way I can get the result I want straight from mySQL or do I have to grab all the data and then sort it in the PHP?

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• ASP.NET - Manual authentication system

  - by Gal V

  Hello all, Wer'e developing an ASP.NET C# application, which will contain an authentication system that authenticates users in multiple levels (user, admin, super-admin, etc.). Our idea is NOT to use the built in ASP.NET forms authentication feature. Our plan is to create a whole 'new' system for it- based on the Session object, and SQL database contains users' info such as username & password. Is there any SERIOUS different between our idea to the Forms authentication feature? What security risks do we take? How do we solve them? Is this a good alternative for the forms authentication feature? Thanks in advance !

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• two or more timer with different intervals with C#

  - by kaushal

  Hi guys, I have to a d.b entry in which the intervals are given, Suppose 1 timer tm_5 will check the entries after every 5 mins & the timer tm_10 will check the entries after every 10 mins, The problem is that it checks only the entries for tm_5 not for the tm_10. I am using C#.net 2005 & MS sql server 2005. Guys please me with full code beacuase I am new to this field.. Thnks a lot... Kaushal

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• Excel Macros - Too many line continuations

  - by pojomx

  Hi, I have a "large" sql query (like 200 lines)... dim query as string query = "..................................." & _ "..................................." & _ .... Like a lot lines later... "..................................." function query,"sheet 1" When i do this, excel says "Too many line continuations." What is the best way, to avoid this? Thanks for your help.

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• Using php's magic function inside another function does not work

  - by Sirber

  I want to use magic function __set() and __get() for storing SQL data inside a php5 class and I get some strange issue using them inside a function: Works: if (!isset($this->sPrimaryKey) || !isset($this->sTable)) return false; $id = $this->{$this->sPrimaryKey}; if (empty($id)) return false; echo 'yaay!'; Does not work: if (!isset($this->sPrimaryKey) || !isset($this->sTable)) return false; if (empty($this->{$this->sPrimaryKey})) return false; echo 'yaay!'; would this be a php bug?

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• Load vs Get in Nhibernate

  - by Quintin Par

  The master page in my web application does authentication and loads up the user entity using a Get. After this whenever the user object is needed by the usercontrols or any other class I do a Load. Normally nhibernate is supposed to load the object from cache or return the persistent loaded object whenever Load of called. But this is not the behavior shown by my web application. NHprof always shows the sql whenever Load is called. How do I verify the correct behavior of Load? I use the S#arp architecture framework.

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• How to monitor MySQL query errors, timeouts and logon attempts?

  - by Abel

  While setting up a third party closed source CMS (Sitefinity) the setup doesn't create all tables and procedures necessary to run it. The software lacks a logging system itself and it made me wonder: could I trace and monitor failing SQL statements from MySQL? This serves more than only the purpose of solving my issue with Sitefinity. More often I wonder what's send to the MySQL server, not wanting to dive into the software products or setup a debugging environment etc. I tried JetProfiler (only performance) and looked through a few others, but although they monitor a lot, they don't monitor query failures, timeouts or logon attempts. Does anyone know a profiler, tracer, monitoring tool, commercial or free, that can show me this information?

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• NHibernate: insert multiple items at once

  - by Gart

  Hello, all! I am learning NHibernate now and I would like to know is it possible to save multiple objects to database in one operation. For example, consider this test code private static void SaveTestBillNamesInSession(ISession session, params string[] names) { var bills = from name in names select new Bill { Name = name, DateRegistered = DateTime.Now, }; foreach (var bill in bills) session.SaveOrUpdate(bill); } This loop here generates many INSERT statements which may be sub-optimal in SQL Server 2008 which allows to include multiple data rows in one INSERT statement. Is it possible to rewrite this code to make use of this functionality - insert all the data in one operation?

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• Storing an image map in a database

  - by ColoradoRockie

  I have a requirement to allow users in a content management system to create their own image maps through a gui interface, which I have accomplished. But instead of saving the image map to the page code, I want to save the image map code to a database (sql), which I've also accomplished. When I started down this road in my head I was thinking the whole time that I'd just add the "usemap" attribute at runtime shown below where promo1.ImageMap holds the entire map code: if(promo1.HasImageMap) imgPromotion1.Attributes.Add("usemap", promo1.ImageMap); I guess I didn't think it though well enough, because it seems that "usemap" only expects the name of the existing map to use from the page code, and not the map code as a string. Does anyone have any clever ideas on how to apply the map from the database to the image at run time?

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• What database works well with 200+GB of data?

  - by taw

  I've been using mysql (with innodb; on Amazon rds) because it's sort of universal default, but it's been ridiculously under-performing, and tweaking it only delays the inevitable. The data is mostly relatively short (<1kB of bytes each) blobs information about 100Ms of urls. There is (or should be, mysql cannot seem to handle it) very high amount of insert / update / retrieve but few complex queries - not that complex queries wouldn't be useful, but because mysql is so slow that it's far faster to get the data out, process it locally, and cache the results somewhere. I can keep tweaking mysql and throwing more hardware at it, but it seems increasingly futile. So what are the options? SQL/relational model/etc. optional - anything will do as long as it's fast, networked, and language-independent.

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• About sqlite use.

  - by rantravee

  Hi, There are some things my application needs to do on first start up(first startup after update) . These actions could be described in a .txt file and then when it is the case read the file and do according to it ,or on the other hand (I lean to use this option) a sqlite database could be used to store the information . The apk file would be shipped with an .txt file/prebuild sql db stored in res/raw or res.asset and then copied into proper space and used. This I have figured out how !, though I'm not sure which option of this two would be the fittest ? One thing that is unclear to me is how could sqlite version mismatch affect me, and if it serious enough to take into consideration ? I 'm using Android api level 4 (Android 1.6) and the future application might be used on several different devices , with different api levels.

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• Using * in SELECT Query

  - by libregeek

  I am currently porting an application written in MySQL3 and PHP4 to MySQL5 and PHP5. On analysis I found several SQL queries which uses "select * from tablename" even if only one column(field) is processed in PHP. The table has almost 60 columns and it has a primary key. In most cases, the only column used is id which is the primary key. Will there be any performance boost if I use queries in which the column names are explicitly mentioned instead of * ? (In this application there is only one method which we need all the columns and all other methods return only a subset of the columns)

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• Inserting multiple types into an SQLite database with Python

  - by mankoff

  I'm trying to create an SQLite 3 database from Python. I have a few types I'd like to insert into each record: A float, and then 3 groups of n floats, currently a tuple but could be an array or list.. I'm not well-enough versed in Python to understand all the differences. My problem is the INSERT statement. DAS = 12345 lats = (42,43,44,45) lons = (10,11,12,13) times = (1,2,3,4,5,6,7,8,9) import sqlite3 connection = sqlite3.connect("test.db") cursor = connection.cursor() cursor.execute( "create table foo(DAS LONG PRIMARY KEY,lats real(4),lons real(4), times real(9) )" ) I'm not sure what comes next. Something along the lines of: cmd = 'INSERT into foo values (?,?,?,?), ..." cursor.execute(cmd) How should I best build the SQL insert command given this data?

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• Stored Procedure to create Insert statements in MySql ??

  - by karthik

  I need a storedprocedure to get the records of a Table and return the value as Insert Statements for the selected records. For Instance, The stored procedure should have three Input parameters... 1- Table Name 2- Column Name 3- Column Value If 1- Table Name = "EMP" 2- Column Name = "EMPID" 3- Column Value = "15" Then the output should be, select all the values of EMP where EMPID is 15 Once the values are selected for above condition, the stored procedure must return the script for inserting the selected values. The purpose of this is to take backup of selected values. when the SP returns a value {Insert statements}, c# will just write them to a .sql file. I have no idea about writing this SP, any samples of code is appreicated. Thanks..

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