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• Export products and variants from MSSQL

  - by mickyjtwin

  I have a SQL DB that has a table of products, and another table which contains a list of the sku variants of each product if it has one. I want to export all the products and their SKU's into excel. At the moment, I have a helper SQL function which performs the subquery against a product_id and concatenates all the SKU's into a comma-delimited string, e.g: Product Code, Name, SKUs 111 P1 77, 22, 11 Is there an easier way to do this, so that each SKU is a row which the associated product code as well, i.e: Product Code, Name, SKUs 111 P1 77 111 P1 22 111 P1 11

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• Ruby on Rails: Unit Testing non activerecord models and still load fixtures

  - by Vaibhav Gumashta

  I may be missing something but I am stuck in this scenario: I have a non activerecord model, which I want to test. I have derived its test case class from: Test::Unit::TestCase. However, the test case class for the model, uses within itself, other activerecord model classes and I want to load fixtures for them. My problem is that the fixtures class method is available only when I subclass the test case class from ActiveSupport::TestCase (it is defined within ActiveRecord::TestFixtures which gets included in ActiveSupport::TestCase). Any help, coz running the tests gives me the error: undefined method "fixtures" (which is understandable) and in case I derive my test case class from ActiveSupport::TestCase it complains that there is no corresponding DB table. Also, I don't want to create a dummy table for backing my model class. Thanks a ton!

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• flex checkbox value not selected from database

  - by Vish

  Hi, I have a small flex datagrid. The dataProvider is an xmlList. I have two columns, userList and user permissions. The user permissions column as checkboxes. The values for the checkbox are stored as 0 and 1 in mySQL. While returning it from PHP, I am converting them to true or false. Its returning the values correctly to the frontend. But inside the itemrenderer, the checkbox is not being set to true or false. Either everything is true or everything is false. Here is my code. http://www.freeimagehosting.net/uploads/4ba76933d3.gif How can I correctly set the value of the checkboxes from the DB values? Please help.

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• Select the first row in a join of two tables in one statement

  - by Oscar Cabrero

  hi i need to select only the first row from a query that joins tables A and B, on table B exist multiple records with same name. there are not identifiers in any of the two tables. i cannt change the scheme either because i do not own the DB TABLE A NAME TABLE B NAME DATA1 DATA2 Select Distinct A.NAME,B.DATA1,B.DATA2 From A Inner Join B on A.NAME = B.NAME this gives me NAME DATA1 DATA2 sameName 1 2 sameName 1 3 otherName 5 7 otherName 8 9 but i need to retrieve only one row per name NAME DATA1 DATA2 sameName 1 2 otherName 5 7 i was able to do this by adding the result into a temp table with a identity column and the select the Min Id per name. the problem here is that i require to do this in one single statement. this is a DB2 database thanks

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• MySQL JDBC date issues with database server in different timezone

  - by Somatik

  I have a database server in "Europe/London" time zone and my web server in "Europe/Brussels". Since it is summer time now my application server has a 2 hour difference. I created a test to reproduce my issue: Query q = JPA.em().createNativeQuery("SELECT UNIX_TIMESTAMP(startDateTime) FROM `Event` WHERE `id` =574"); BigInteger unix = (BigInteger) q.getSingleResult(); System.out.println(unix + "000 UNIX_TIMESTAMP to BigInteger"); Query q2 = JPA.em().createNativeQuery("SELECT startDateTime FROM `Event` WHERE `id` =574"); Timestamp o = (Timestamp) q2.getSingleResult(); System.out.println(o.getTime() + " Timestamp"); The startDateTime column is defined as 'datetime' (but same issue with 'timestamp') The output I am getting is this: 1340291591000 UNIX_TIMESTAMP to BigInteger 1340284391000 Timestamp Reading java date objects results in a shift in time zone, how do I fix this? I would expect the jdbc driver to just set the "unix time" value it gets from the server in the Date object. (a proper solution should work with any timezone combination, not only for db in GMT)

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• Securing Plugin Data in WordPress From Access by Other Plugins?

  - by farinspace

  There probably is some solution to this, whether it involves code running on just the wordpress installation or a combination of a wordpress installation and a master server I am not sure yet, but please remember not to have tunnel vision and consider any and all possible solutions: The scenario is this: A WordPress plugin (plugin-A) that manages some sort of valuable data (something that the admin would not want stolen), lets say, lead data with user's name and email addresses, the plugin uses its own db tables. Other than the obvious (which is the admin installing plugin-B, not knowing its malicious intent), what is to prevent another WordPress plugin (plugin-B) from accessing plugin-A data or hacking plugin-A files to circumvent security.

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• GQL: I'm storing JSON in the DataStore. All json is getting converted to html entities, how to avoid

  - by fmsf

  The tittle says most: I'm storing JSON in the DataStore. All json is getting converted to html entities, how can I avoid this? Original I had myJson = db.StringProperty() it complained the json i had was to long and StringProperty had a limit of around 500 chars. Sugesting to use TextProperty instead. It inserted without problems but now myJson looks like this when i fetch it from the database: { &quot;timeUnit&quot;: &quot;14&quot;, &quot;taskCounter&quot;: &quot;0&quot;, &quot;dependencyCounter&quot;: &quot;0&quot;, &quot;tasks&quot;: [], &quot;dependencies&quot;: []} Any sugestions?

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• AutoComplete and VS2010 Internal WebDevServer caching ?

  - by Renshai

  Ok this is a simple setup: DB has a view with personnel who have not been added to the system. The AutoComplete dynamically lists a numeric column field from the view. (Using Linq2SQL) (with autotracking off) Once this number is consumed - a refresh is done on the sqlserver's view. The Problem: This number still shows up in the Autocomplete UNTIL the VS WebDev Server is closed. Question: Why is the WebDev caching the data? I have tried turning off viewstate of the textbox, turned off caching on the autocompleteextender, to no avail. Any help please ...

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• My ASP.NET page is making postback on web server and not on local host

  - by Rizwan Aaqil

  I have created a website in ASP.NET = www.vif-tech.com/BidsOnline When I am running it on Localhost using Visual Studio 2008, its running perfectly without any postback because I am using Ajax Update Panels (where data is changing constantly). But when I am running from my web server i.e. www.vif-tech.com/BidsOnline, its making postbacks every seconds. Even I tried changing connection string on my localhost and tried connecting to main database (not on my localhost), it's still making postbacks. Is there some error in my DB or page ?

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• Using twitter gem to signup and authenticate users

  - by Jim Jones

  Hi, I'd like to allow users the option to register using their Twitter account. Basically, I'll present them with a standard signup form (name, login, email, pwd, pwd_confirm) as well as a "Signup with Twitter" link. If a user chooses to signup with Twitter creds, then I'll create a user record in db. Then I'd like to be able to allow a user to authenticate using their Twitter creds on returning visits. Also, I'm using restful_authentication, so I need to have this work within that context. What is the best way to do this? I haven't been to find any tutorials on allowing the signup and authentication pieces. Most examples just show how to authenticate a Twitter user into your app. Thanks.

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• When does a MySQL Query actually execute in PHP?

  - by MJB

  This sounds like a really simple question, but I am new to PHP. If I have a statement like this: $r =& $db->query("insert into table (col1, col2) values (10, 20)"); Do I have to still execute it, or does it get executed when I reference it? I have another case where I have a select query, which seems logically to run only when I call fetchrow, but the code I am presented with (to fix) does not call execute or fetch.I would have expected it to, so I cannot tell if it is just that I don't get it, or that the missing execute statement is the problem. It also does not insert the record, but it does not throw an error I can find. Also, I am a little confused by the =& notation. I looked it up on google, and found a few mentions of it, but I am still not clear on it. Thanks.

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• Unable to connect to sql database only from asp

  - by Brian

  In a VB6 program: Dim conn As Object Set conn = CreateObject("ADODB.Connection") conn.Open "DRIVER={SQL Server}; Server=(local)\aaa; Database=bbb; UID=ccc; PWD=ddd" In an ASP program: Sub ProcessSqlServer(conn) Set conn = Server.CreateObject("ADODB.Connection") conn.Open "DRIVER={SQL Server}; Server=(local)\aaa; Database=bbb; UID=ccc; PWD=ddd" The VB6 program works, the ASP program does not (see error below). I tried checking the event log for errors, but found nothing. Or more precisely, I did find local an activation permission error, but this was fixed once I added local launch/activation permission for Network Service to the Machine Debug Manager via the component services tool. Error: Microsoft OLE DB Provider for ODBC Drivers error '80004005' [Microsoft][ODBC SQL Server Driver]Timeout expired

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• Classic ASP Site Throwing Date Conversion Error After Moving Servers?

  - by leen3o

  I am moving an old store from a Win2003 IIS6 server to a Win2008 IIS7 server, moved everything across including database. The front end seems to work just fine, but when I login it has to do pull in data based on date ranges and now from no where I am getting this error? The conversion of a varchar data type to a datetime data type resulted in an out-of-range value Any ideas why this would do this on the new server and NOT on the old one? No code has changed and the DB is a backup of the one from the old server??

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• Adjusting Timezone - Convert XML DateTime to SQL DateTime

  - by noob.spt

  We are using TypedDataSet in our application. Data is passed to procedure in form of XML for insert/update. Now after populating DE with data, datetime remains the same though timezone information is added as below. Date in DB: 2009-10-29 18:52:53.43 Date in XML: 2009-10-29T18:52:53.43-05:00 Now when I am trying to convert below XML to SQL DateTime it is adjusting 5 hours and I am getting 2009-10-29 23:52:53.430 as the final output, which is wrong. Need to find a way to extract datetime from below XML snippet ignoring timezone. I have XML in following format, with timezone difference -05.00 <Order> <EnteredDateTime>2009-10-29T18:52:53.43-05:00</EnteredDateTime> </Order>

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• Strategy in storing ad-hoc numbers/constants?

  - by Jiho Han

  I have a need to store a number of ad-hoc figures and constants for calculation. These numbers change periodically but they are different type of values. One might be a balance, a money amount, another might be an interest rate, and yet another might be a ratio of some kind. These numbers are then used in a calculation that involve other more structured figures. I'm not certain what the best way to store these in a relational DB is - that's the choice of storage for the app. One way, I've done before, is to create a very generic table that stores the values as text. I might store the data type along with it but the consumer knows what type it is so, in situations I didn't even need to store the data type. This kind of works fine but I am not very fond of the solution. Should I break down each of the numbers into specific categories and create tables that way? For example, create Rates table, and Balances table, etc.?

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• How to allow for modular development while still running in same JVM?

  - by Marcus

  Our current app runs in a single JVM. We are now splitting up the app into separate logical services where each service runs in its own JVM. The split is being done to allow a single service to be modified and deployed without impacting the entire system. This reduces the need to QA the entire system - just need to QA the interaction with the service being changed. For interservice communication we use a combination of REST, an MQ system bus, and database views. What I don't like about this: REST means we have to marshal data to/from XML DB views couple the systems together which defeats the whole concept of separate services MQ / system bus is added complexity There is inevitably some code duplication between services You have set up n JBoss server configurations, we have to do n number of deployments, n number of set up scripts, etc, etc. Is there a better way to structure an internal application to allow modular development and deployment while allowing the app to run in a single JVM (and achieving the associated benefits)?

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• Intersection of sets Mongodb

  - by afvasd

  Hi everyone I am new to mongo, this is my db design: product := { name: str group: ref, comments: [ ref, ref, ref, ref ] } comments := { ... a bunch of comments stuff } tag := { _id: int, #Need this for online requests tag: str, products: [ {product: ref, score: float}, ... ], comments: [ {comment: ref, score: float}, ...], } So my usage pattern is: GIVEN a product, find comments that have certain tag and sort them accordingly. My current approach involves: Look for that tag object that has tag=myTag pull all the comments out, sorted look for that product where product.name=myProduct pull all the comments out (which are dbrefs by the way) loop through the result of 2, and checking if they are in 4, (this I can do a limit 10) etc. It's pretty inefficient. Any better methods?

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• where should i encode this html data in an asp.net mvc site

  - by ooo

  here is my view code: <%=Model.HtmlData %> here is my controller code: public ActionResult GetPage() { ContentPageViewModel vm = new ContentPageViewModel(); vm.HtmlData = _htmlPageRepository.Get("key"); return View(vm); } my repository class basically queries a database table that has the fields: id, pageName, htmlContent the .Get() method passes in a pageName (or key) and returns the htmlContent value. Right now i have just started this (haven't persisted anything to the db yet) so i am not doing any explicit encoding in my code now. What is the best practice for where i need to do encoding (in the model, the controller, the view ??)

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• "conveyor belt" cache architecture

  - by Andrew Matthews

  I'm producing an application with a few peculiar internal communication characteristics that make the usual suspects for data storage and transport (Qs and RDBMSs) ill-fitted. I'm wondering whether there is a product out there that matches the following characteristics: all data put into it is peristent all reads are delivered out of memory data is universally available data lives where it is most needed data is versioned (nice to have) updates are transactional (I'd like ACID characteristics) data is potentially replicated, but always in sync works on windows is based on or has bindings for .NET is really fast is really robust is redundant is scalable I'm looking at things like Microsoft codename "Velocity", but I am not sure whether it fits all of the above characteristics. Likewise, Memcached is not a perfect fit either. The current version of this app opts for an RDBMS with a signaling system for inter-system sync, but latency is too high and versioning of the DB is a pain. I need all the robustness, but with none of the trade-offs.

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• PDOStatement::bindParam() not setting AI value from MySQL insert?

  - by Alan

  I have a simple insert statement using PDO php class. $statement = $db->prepare('INSERT INTO demographics (id,location_id,male,ethnicity_id,birthyear) VALUES (:id,:location_id,:male,:ethnicity_id,:birthyear)'); $statement->bindParam(':id',$demo->id,PDO::PARAM_INT,4); $statement->bindParam(':location_id', $demo->locationid,PDO::PARAM_INT); $statement->bindParam(':male',$demo->male,PDO::PARAM_BOOL); $statement->bindParam(':ethnicity_id',$demo->ethnicityid,PDO::PARAM_INT); $statement->bindParam(':birthyear',$demo->birthyear,PDO::PARAM_INT); $statement->execute(); print_r($demo); Even though the statement executes correctly (row is correctly written), $demo-id is null. Any thoughts?

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• SQL 2005 w/ C# optimal "Paging"

  - by David Murdoch

  When creating a record "grid" with custom paging what is the best/optimal way to query the total number of records as well as the records start-end using C#? SQL to return paged record set: SELECT Some, Columns, Here FROM ( SELECT ROW_NUMBER() OVER (ORDER BY Column ASC) AS RowId, * FROM Records WHERE (...) ) AS tbl WHERE ((RowId > @Offset) AND (RowId <= (@Offset + @PageSize)) ) SQL to count total number of records: SELECT COUNT(*) FROM Records WHERE (...) Right now, I make two trips to the server: one for getting the records, and the other for counting the total number of records. What is/are the best way(s) to combine these queries to avoid multiple DB trips?

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• work with rescue in Rails

  - by Adnan

  Hi, I am working with the following piece; def index @user = User.find(params[:id]) rescue flash[:notice] = "ERROR" redirect_to(:action => 'index') else flash[:notice] = "OK" redirect_to(:action => 'index') end Now I either case whether I have a correct ID or not, I am always getting "OK" in my view, what am I doing wrong? I need that when I have no ID in the DB to show "ERROR". I have also tried to use rescue ActiveRecord::RecordNotFound but same happens. All help is appreciated.

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• Making form submissions unique using PHP and HTML

  - by canadiancreed

  Hello all I'm currently developing a page where the user fills out a form, and when submitted they are taken to the next page. When on the next page, I want to have it so that if the user went back to the previous page using the back button, or hit refresh, the submission will not be saved into the DB. Now I recall reading somewhere that if you had a way to make each submission unique, this issue is averted, but after screwing around for hours on end, for the life of me I cannot recall how this could be done (using PHP), so long story short has anyone ran into this, and if so, what was your solution?

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• ASP.NET & Oracle Windows Authentication - Is this possible?

  - by user118190

  I am trying to enable Windows Authentication on my IIS 6.0 Server with some client technology and Oracle DB server. When I load the ASPX page and have unchecked Anonymous Access and checked Integrated Windows Authentication, I can see my LOGON_USER credentials on the server via tracing. I am now trying to see if the same user can read data from a LINUX-based Oracle server. I can't seem to pass over the credentials! How can I connect to Oracle? Anything special I should know about in terms of web.config files? Another question is, I'm assuming the Oracle server should be 'hooked' to Active Directory? How about manually adding users to the allowed tables? What about Oracle's LDAP, OID? Can anyone direct me to a good link for reference?

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• Copying a massive databse for local ruby on rails development?

  - by tesmar

  Hi guys, There is a massive database (GB) that I am working with now and all of the previous development has been done on a slicehost slice. I am trying to get ready for more developers to come in and work so I need each person to be able to setup his own machine for development, which means potentially copying this database. Selecting only the first X rows in each table to cut size could be problematic for data consistency. Is there any way around this, or is a 1 hour download for each developer going to be necessary? And beyond that, what if I need to copy the production DB down for dev purposes in the future? Sincerely, Tyler

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