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• Import small number of records from a very large CSV file in Biztalk 2006

  - by rwmnau

  I have a Biztalk project that imports an incoming CSV file and dumps it to a database table. The import works fine, but I only need to keep about 200-300 records from a file with upwards of a million rows. My orchestration discards these rows, but the problem is that the flat file I'm importing is still 250MB, and when converted to XML using a regular flat file pipeline, it takes hours to process and sometimes causes the server to run out memory. Is there something I can do to have the Custom Pipeline itself discard rows I don't care about? The very first item in each CSV row is one of a few strings, and I only want to keep rows that start with a certain string. Thanks for any help you're able to provide.

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• Can Parallel.ForEach be used safely with CloudTableQuery

  - by knightpfhor

  I have a reasonable number of records in an Azure Table that I'm attempting to do some one time data encryption on. I thought that I could speed things up by using a Parallel.ForEach. Also because there are more than 1K records and I don't want to mess around with continuation tokens myself I'm using a CloudTableQuery to get my enumerator. My problem is that some of my records have been double encrypted and I realised that I'm not sure how thread safe the enumerator returned by CloudTableQuery.Execute() is. Has anyone else out there had any experience with this combination?

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• LinqToSql: How can I create a projection to adhere to DRY?

  - by mhutter

  Just wondering if there is a way to take some of the repitition out of a LINQ to SQL projected type. Example: Table: Address Fields: AddressID, HouseNumber, Street, City, State, Zip, +20 more Class MyAddress: AddressID, HouseNumber, Street (Only 3 fields) LINQ: from a in db.Addresses select new MyAddress { AddressID = a.AddressID, HouseNumber = a.HouseNumber, Street = a.Street } The above query works perfectly, and I understand why something like this will return all 20+ fields in each row: from a in db.Addresses select new MyAddress(a); class MyAddress { public MyAddress(Address a) { this.AddressID = a.AddressID, this.HouseNumber = a.HouseNumber, this.Street = a.Street } } Which leads me to my Question: Is it possible to implement some kind of helper function or extension method to "map" from the LINQ model to MyAddress yet only return the necessary fields in the query result rather than all of the fields?

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• Does DB2 OS/390 BLOB support .docx file

  - by Barry

  ASP.net app inserts .docx fileinto a row on DB2 OS/390 Blob table. A different VB.net app gets the DB2 OS/390 Blob data. When Microsoft Word tries to open the .docx file Microsoft Word pops up a message that the data is corrupted. Word will fix the data so the file can be viewed. I've seen some examples where .docx can be converted to .doc but they only talk about stripping out the text. Some of our .docx have pictures in them. Any ideas?

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• Creating a stored procedure in SQL Server 2008 that will do a "facebook search"

  - by dig

  Hello, I'm trying to implement a facebook search in my system (auto suggest while typing). I've managed to code all the ajax stuff, but I'm not sure how to query the database. I've created a table called People which contains the fields: ID, FirstName, LastName, MiddleName, Email. I've also created a FTS-index on all those fields. I want to create a stored procedure that will get as a parameter the text inserted in the query box and returns the suggestions. For example, When I will write in the textbox the query "Joh Do" It will translate to the query: select * from People where contains(*, '"Joh*"') and contains(*, '"Do*"') Is there a way to do that in stored procedure? P.S I've tried to use the syntax select * from People where contains(*,'"Joh*" and "Do*"') but it didn't returned the expected results, probably because it needs to search the words on different fields. Is there a way to fix that? Thanks.

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• Assign weight to a integer column for Sphinx search

  - by Daniel

  Hello: I have a note table with columns: title :string content :text rating :integer and a thinking_sphinx configuration: define_index do indexes :title, :sortable => true indexes :content end Then I can search the notes and assign weights to title and content to define the order or the result: Note.search "abc", :match_mode => :extended, :field_weights => { :title => 10, :content => 3 } Now I want to assign a weight to the rating column The type of the rating column is integer. The range of the rating is [1, 2, 3, 4, 5]. Can I just add weight at the :field_weights :field_weights => { :title => 10, :content => 3, :rating => 5 } or I need to do something else to make the note which has higer rating display first?

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• How would you create a notification system like on SO or Facebook in RoR?

  - by Justin Meltzer

  I'm thinking that notifications would be it's own resource and have a has_many, through relationship with the user model with a join table representing the associations. A user having many notifications is obvious, and then a notification would have many users because there would be a number of standardized notifications (a commenting notification, a following notification etc.) that would be associated with many users. Beyond this setup, I'm unsure how to trigger the creation of notifications based on certain events in your application. I'm also a little unsure of how I'd need to set up routing - would it be it's own separate resource or nested in the user resource? I'd find it very helpful if someone could expand on this. Lastly, ajax polling would likely improve such a feature. There's probably some things I'm missing, so please fill this out so that it is a good general resource.

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• There has to be an easier way.. pulling data from mysql

  - by Daniel Hunter

  I need to pull 3 values from a table and assign each one to a variable each value is based on to columns, a type and an id $ht_live_query = mysql_query("SELECT htcode FROM coupon WHERE pid='$pid' AND type='L'"); $ht_live_result = mysql_fetch_array($ht_live_query); $htCODE_Live = $ht_live_result['htcode']; You can see that I am assigning the desired value to the variable $htL $ht_General_query = mysql_query("SELECT htcode FROM coupon WHERE pid='$pid' AND type='G'"); $ht_General_result = mysql_fetch_array($ht_General_query); $htCODE_General = $ht_General_result['htcode']; $ht_Reward_query = mysql_query("SELECT htcode FROM coupon WHERE pid='$pid' AND type='R'"); $ht_Reward_result = mysql_fetch_array($ht_Reward_query); $htCODE_Reward = $ht_Reward_result ['htcode']; I know I am doing this the hard way but can not figure out how to do the foreach or while loop to attain the desired results.

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• memcached cluster maintenance

  - by Yang

  Scaling up memcached to a cluster of shards/partitions requires either distributed routing/partition table maintenance or centralized proxying (and other stuff like detecting failures). What are the popular/typical approaches/systems here? There's software like libketama, which provides consistent hashing, but this is just a client-side library that reacts to messages about node arrivals/departures---do most users just run something like this, plus separate monitoring nodes that, on detecting failures, notify all the libketamas of the departure? I imagine something like this might be sufficient since typical use of memcached as a soft-state cache doesn't require careful attention to consistency, but I'm curious what people do.

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• What wiki tools exist to generate shippable user doc from a wiki?

  - by tletnes

  I am looking into using a wiki (prefer mediawiki, but not a req.) as the repository for developer generated documentation (User Guides, Release Notes, Application Notes, Errata, etc.) from a collaborative/easy-to-update point of view a wiki seems like a good match, however since this documentation will ultimately ship to customers we want to be able to export the documents in their final state (e.g. during the release cycle) to static versions that no longer include histories. Ideally the export would leave the document n a form where errors could be easily fixed by a non-programmer It would be good if niceties like section ordering and table of contents were available, or easy to add after the fact. Are any tools with features like these avalible?

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• Extjs 3.4 - Button Icon does not show or does not center

  - by Chris

  I want to fill a button with an icon I created but whatever I have tried just seems to put the icon either half cut off and way left, or it doesn't show at all. I've been trying different combinations of CSS and the icon, iconcls, cls button options. I was following the Ext 3 buttons example page but that doesn't seem to display anything for me... This code is an item inside my form panel (I try to replicate this with different buttons in the panel) { xtype: 'container', layout: { type: 'table', columns: 2, tableAttrs: { cellspacing: 5 } }, // padding: 5, pack: 'center', align: 'middle', items: [{ xtype: 'button', width: 40, // scale: 'medium', ref: '../drawToolsBtn', tooltip: 'Drawing Tools', icon: 'img/draw.png', iconAlign: 'top', baseCls: 'x-plain', // iconCls: 'drawBtn', enableToggle: true, // padding: 3, toggleHandler: function(btn, state) { this.showDrawToolsWin(state); }, scope: this },{ xtype: 'label', // columnWidth: 1, // remainder of container padding: 3, text: 'Click button to open Drawing Tools Menu' }] } CSS -------------------- .drawBtn{ background: url(../img/draw.png) !important; } Thank you for any help!

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• Storing XML in SQL 2005 XMLNS issue

  - by Mike Mengell

  I'm trying to store XML in SQL 2005. I have a very simple table with an Id and a XML column. When the XML contains the attribute xmlns my searching doesn't work. This is my XML; insert into XMLTest (ItemXML) values ( '<MessageType> <ItemId id="ABC" xmlns="ss" /> <Subject>sub</Subject> </MessageType> ') And this is my Query; select itemid, ItemXML.query('(/MessageType/ItemId)') from XMLTest order by ItemId desc If I change the attribute xmlns to anything else my query works. I don't think I know enough about XML to understand what SQL is doing with the namespace. But it must be processing it and storing it differently maybe? Anyone had this issue?

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• How to Populate ComboBox from access db in C#

  - by Bomboe Cristian

  I have the next combobox: this.comboBoxProd.Enabled = false; this.comboBoxProd.FormattingEnabled = true; this.comboBoxProd.Items.AddRange(new object[] { "Cameras", "------------", " Digital IXUS 850 IS ", " Digital IXUS 900 Ti ", " Digital IXUS 75 -NEW- ", " Digital IXUS 70 -NEW- ", etc. I want to change it and take the values from a db. My database name is bd1.mdb and in the table Cameras it has the following fields: CamID, Cameras, Warranty, Year. I am only interested in the "Cameras" field. Thank you!

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• Should I use interface builder or not?

  - by Michael Waterfall

  I'd like to know more about the pros and cons of using interface builder when developing iPhone/iPad apps. I've written a fairly complex and customized app that's on the app store right now, but all of the interfaces are hand coded as they are fairly complex. I've customised the navigation and tab bars with backgrounds, table view cells are manually drawn for speed, and some views are complex and scalable with many subviews. I'm pondering whether or not to start using interface builder but I'm not sure to what extent I'll use it and whether it's worth it at all. Is it quicker? Can things still be easily customised? Any advice would be most welcome!

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• SQL Count unique objects defined by parameters

  - by Eduardo

  I have a table with: id | parameter 1 | A 1 | B 2 | A 3 | A 3 | B That represent objects defined with the values as: 1 -> A,B 2 -> A 3 -> A,B I want to count the number of objects with different parameters using a SQL query, so in this case it would be 2 unique objects as 1 and 3 have the same parameters. The database is a Microsoft SQL Server 2000. But I do not mind knowing the solution for other databases.

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• Can Grails exceptionHandler support the following Error Handling Flow

  - by Andrew

  In my rails app that I am porting to grails whenever an unexpected error occurs I intercept the error automatically and display a form to the user informing them that an error has occured and asking them for further information. Meanwhile, as the form is rendered I write the stack trace and other information about who was logged in to a database table. Then if the form is submitted I add that information to the error report. I cannot tell from the exceptionHandler documentation and BootStrap examples whether that will allow me to grab all the information including various session and request parameters and then stuff them into a database and then post a form. Any thoughts?

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• Entity Framework with 'Get' Stored Procedure that returns Entities

  - by Nick Reeve

  Hello, I am attempting to execute a stored procedure that returns data with exactly the same columns as that of a table Entity I have in my project. I set the 'Returns a Collection Of' property in the 'Add Function Import' dialog to my entity type. I get a NullReferenceException error when executing the stored procedure and on further digging it seems that it is because the 'EntityKey' property is missing. Is there anything I can do to tell it to ignore those special properties of the Entity? I already have a partial class for that entity with '[ScaffoldColumn(false)]' but that doesn't seem to matter. Cheers, Nick

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• sql server 2005 replication article conflict

  - by Daniel

  Hi all, I have a sql server 2005 database that I want to setup replication for. The problem is that the database has two schemas both of which have a table with the same name in it. For some reason even though the tables are in different schemas the replication creation fails when done through management studio due to conflicting article names (i assume its trying to create the same name for both tables in the different schemas). Is there any workaround for doing this in the studio, I can probably write a script or program to do this but just for this one thign is a bit annoying and it probably wont be allowed to run in production. Perhaps there is a hot fix or something I'm not aware about? Cheers,

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• Which type of Rails model association should I use in this situation?

  - by jstayton

  I have two models/tables in my Rails application: discussions and comments. Each discussion has_many comments, and each comment belongs_to a discussion. My discussions table also includes a first_comment_id column and last_comment_id column for convenience and speed. I want to be able to call discussion.last_comment for the last comment model, but the following (in my discussion model) isn't working to make this happen: has_one :first_comment, :class_name => "Comment" has_one :last_comment, :class_name => "Comment" When I call discussion.last_comment, the following SQL is run: SELECT * FROM `comments` WHERE (`comments`.discussion_id = 1) LIMIT 1 It's using the discussions.id column to join against comments.discussion_id, when I want it to join discussions.last_comment_id against comments.id. Am I using the wrong type of association here? Thanks for your help!

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• In query in Entity Frame work

  - by Syed Salman Raza Zaidi

  I am working on Entity frame work, i have created a method which is returning List of my Table, I am retrieving data on base of grpID(which is foreign key, so i can have multiple records) I have saved these grpID's in an array so I want to run IN command on Entity framework so that i can get records in single List, How can i apply In command,my code is below public List<tblResource> GetResources(long[] grpid) { try { return dataContext.tblResource.Where(c => c.GroupId == grpid && c.IsActive == true).ToList();//This code is not working as i am having array of groupIds } catch (Exception ex) { return ex; } }

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• MySQL command-line tool: How to find out number of rows affected by a DELETE?

  - by ambivalence

  I'm trying to run a script that deletes a bunch of rows in a MySQL (innodb) table in batches, by executing the following in a loop: mysql --user=MyUser --password=MyPassword MyDatabase < SQL_FILE where SQL_FILE contains a DELETE FROM ... LIMIT X command. I need to keep running this loop until there's no more matching rows. But unlike running in the mysql shell, the above command does not return the number of rows affected. I've tried -v and -t but neither works. How can I find out how many rows the batch script affected? Thanks!

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• Non US characters in section headers for a UITableView

  - by epatel

  I have added a section list for a simple Core Data iPhone app. I followed this so question to create it - How to use the first character as a section name but my list also contain items starting with characters outside A-Z, specially Å,Ä and Ö used here in Sweden. The problem now is that when the table view shows the section list the three last characters are drawn wrong. See image below It seems like my best option right now is to let those items be sorted under 'Z' if ([letter isEqual:@"Å"] || [letter isEqual:@"Ä"] || [letter isEqual:@"Ö"]) letter = @"Z"; Someone that have figured this one out? And while I'm at it... 'Å', 'Ä' and 'Ö' should be sorted in that order but are sorted as 'Ä', 'Å' and 'Ö' by Core Data NSSortDescriptor. I have tried to set set the selector to localizedCaseInsensitiveCompare: but that gives a out of order section name 'Ä. Objects must be sorted by section name' error. Seen that too?

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• In SQL Server, can multiple inserts be replaced with a single insert that takes an XML parameter?

  - by Mayo

  So I have an existing ASP.NET solution that uses LINQ-to-SQL to insert data into SQL Server (5 tables, 110k records total). I had read in the past that XML could be passed as a parameter to SQL Server but my google searches turn up results that store the XML directly into a table. I would rather take that XML parameter and insert the nodes as records. Is this possible? How is it done (i.e. how is the XML parameter used to insert records in T-SQL, how should the XML be formatted)? Note: I'm researching other options like SQL bulk copy and I know that SSIS would be a good alternative. I want to know if this XML approach is feasible.

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• Iphone remove sub view

  - by Sharanya

  I have a UINavigationController. On the right top i have a button on click of which i have to get a drop down table view. I created another UIViewController Class, with xib and added it as a subView to the current view. It should appear on 1st click and disappear on the 2nd click. This should happen for all click(open view and close view). I wrote this code but dont know where i'm going wrong. someone please help -(void)modalTableView { tableView1 = [[TableViewController alloc] initWithNibName:@"TableViewController" bundle:nil]; for (UIView *subView in self.view.subviews) { if ([subView isKindOfClass:[TableViewController class]]) { [subView removeFromSuperview]; } else { [self.view addSubview:tableView1.view]; } } } What am i missing here? EDIT : TableViewController is the name of my UIViewController Class

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• greasemonkey insert javascript

  - by Kaartz

  I have a bookmarklet, clicking the bookmarklet includes a PHP script (evaluated as a JavaScript file) to the page few table values and select values passed as GET parameters. The PHP script writes the page data to the MySQL database, and outputs a success message that is treated as JavaScript code and executed by the browser. Is there any possibility to do this using greasemonkey and call this function when a existing button is clicked on the web page. I wrote the above bookmarklet inspired by this tutorial. http://tutorialzine.com/2010/04/simple-bookmarking-app-php-javascript-mysql/ This is the bookmarklet code: (function () { var jsScript = document.createElement('script'); jsScript.setAttribute('type', 'text/javascript'); jsScript.setAttribute('src', '/bookmark.php?url=' + encodeURIComponent(location.href) + '&title=' + encodeURIComponent(document.title)); document.getElementsByTagName('head')[0].appendChild(jsScript); })(); Please help me.

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