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  • mysql join on two indexes takes long time!!

    - by Alaa
    Hi All I have a custom query in dripal, this query is: select count(distinct B.src) from node A, url_alias B where concat('node/',A.nid)= B.src; now, nid in node is primary key and i have made src as an index in url_alias table. after waiting for more than a minute i got this: +-----------------------+ | count(distinct B.src) | +-----------------------+ | 325715 | +-----------------------+ 1 row in set (1 min 24.37 sec) now my question is: why did this query take this long, and how to optimize it?? Thanks for your help

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  • Does Entity Framework currently support custom functions in the Where clause?

    - by André Pena
    Entity Framework currently supports table valued functions and custom functions defined in the SSDL, but I can't find any example of it being used as a criteria, in the where clause. Example: var query = this.db.People; query = query.Where(p = FullText.ContainsInName(p.Id, "George")); In this example, ContainsInName is my custom function that I want to be executed in the where clause of the query. Is it supported?

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  • Limiting the number of queries returns in SQL Server 2008

    - by Jose Sotero Villegas III
    This is my query SELECT Fullname, rank, id_no, TIN, birthdate, hair, eyes, Blood, height, weight, marks, name, address FROM [******_DOMAIN\****_*****].*******view Problem is, source table has too many duplicates, how do I my limit query to the latest row on the database? I'm using SQL Server 2008. Thanks In advance My next problem is that the view shows me a birthdate string format of yyyymmdd, I need to change it to mm/dd/yyyy can please provide me a function? using the same string above?

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  • django display m2m elements in a template

    - by dana
    if a have a declaration like theclass = Classroom.objects.get(classname = classname) members = theclass.members.all() and i want to display all the members(of a class) in a template, how should i do it?? if i write: {{theclass.members.all}} the output is an empty list(though the class has some members) How should the elements of a m2m table be displayed in a template? thanks!

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  • How to keep format within HTML converted to Excel

    - by pojomx
    Hello, I'm working with an HTML table, that contains numbers (formated) and when I export this to xls file (just change extension... hehe) I loss some of the formated data. Example: in html I have " 1,000.00 | 500.00 | 20.00 " and in excel it shows like: "1,000.00 | 500 | 20" I want it to know if it is possible to show the very same format as in html. THankyou :P

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  • Execute ruby code in a link in Haml

    - by thermans
    I want to have a "delete user" link in a normal Activerecord table, but I can't figure out how to wrangle the inline ruby in haml. I have this: %tbody - @users.each do |user| %tr %td= user.name %td= user.login %td %a %img{:src => '../images/delete.png', :title => 'Delete user'} How do I make the - user.destroy be a clickable link in Haml?

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  • need help to construct query

    - by Learner
    i have the following result and i would like to construct the select query from the following result in java, Please help me how to go about , tablename columnname size order employee name 25 1 employee sex 25 2 employee contactNumber 50 3 employee salary 25 4 address street 25 5 address country 25 6 from this i would like to construct query like select T1.name, T1.sex,T1.contactNumber, T1.salaryT2.street, T2.contry from tablename1[employee] T1, tablename2[address] T2 how to construt the above query in java, here table name can be N also the columname can be also N. Please help me to achieve the above. Thanks and Regards

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  • C# reflection avoid propertie

    - by ozsenegal
    Im using reflection to acess a class tha represents a table in DB.However,reflection read all properties of that class,and im wondering if there're some atributte in c# we can use to avoid read that propertie. i.e: [AvoidThisPropertie] public string Identity { get; set; }

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  • Create DB in Sql Server based on Visio Data Model

    - by Yaakov Ellis
    I have created a database model in Visio Professional (2003). I know that the Enterprise version has the ability to create a DB in Sql Server based on the data in Visio. I do not have the option to install Enterprise. Aside from going through the entire thing one table and relationship at a time and creating the whole database from scratch, by hand, can anyone recommend any tool/utility/method for converting the visio database model into a Sql Script that can be used to create a new DB in Sql Server?

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  • Format of DataGridView value

    - by Vadim
    I have a DataGridView which is filling from Table in SQL Server Database. One of it's columns is "price". Type of column in DGV is automatically sets as Decimal. In some cases I need to write in cells of this column text like "none", instead of price. How can I do it? DGV.Item("price", 0).Value = "none" doesn't work, because of decimal type of a cell.

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  • Migrate MySQL database to Sql Server

    - by RPK
    I recently encountered a problem in my production database due to MySQL bug. The bug is in the TimeStamp column. To avoid any inconvenience, I want to migrate the database to either Sql Server. Is there any FREE tool to easily and reliably migrate data and table structures?

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  • Hiding master view in split view app..???

    - by Mahesh
    Hello friends, I have created split view based ipad app, where master view is table view while Detail view display images.. I need to display the image fit to screen 100% in landscape mode. This could be on button event or double tap event.. Does any one know about it. Thanks in advance.

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  • How to add an UIImage in MailComposer Sheet of MFMailComposeViewController in iPhone

    - by rkbang
    Hi everybody, I am asking this question second time in a different manner. I want to insert UIImages inside the composer sheet of MFMailComposerViewController. Please note I dont want to attach them but I want to place them in a table using HTML code which will be the part of the email body. I am really finding it difficult to find any help online, so if anyone come across any tutorial or any kind of info plz let me know. Tnx in advance.

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  • how to specify literal value in linq union

    - by lowlyintern
    I have the following SQL query, note I want the literal value '0' in the second field in the second SELECT statement from the ItemSale table. How do I express this in LINQ? I get the error message 'Invalid anonymous type member declarator'. SELECT BranchNumber,QuantitySold FROM Department UNION SELECT BranchNumber,0 FROM ItemSale How to express the '0' in LINQ? var unionQuery = (from dept in Department select new { dept.BranchNumber, dept.QuantitySold, }) .Concat(from item in ItemSale select new { item.BranchNumber, 0 });

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  • SQL use DISTINCT with ORDER BY (Oracle)

    - by ArneRie
    Hi, i have an strange problem. I want to select "timestamps" from an DB Table with Distinct and orderded by timestamp. ID TimeStamp -- --------- 1 123456789 2 123456789 3 333333333 4 334345643 In my PHP Script: $sql = "SELECT DISTINCT TIMESTAMP FROM TIMESTAMPS ORDER BY TIMESTAMP" When i use order by, the values are returned twice? Without order by the result is correct.. but not sorted. We are using Oracle 10g Any ideaS?

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  • Getting this error while reading excel from c#

    - by Lalit
    Hello all, I have code string conn = @"Provider=Microsoft.ACE.OLEDB.12.0;DSN=Excel Files;DBQ=" + strSheetPath + @";DriverId=1046;FIL=excel 12.0;MaxBufferSize=2048;PageTimeout=5;"; //string conn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + strSheetPath +";Extended Properties=Excel 12.0 Xml;HDR=YES;IMEX=1"; string destinationConnectionString = ConfigurationManager.ConnectionStrings["KGD6DBConnectionString"].ConnectionString; string query = "Select * From [Sheet1$]"; using (var myConnection = new OleDbConnection(conn)) using (var destinationConnection = new SqlConnection(destinationConnectionString)) using (var bulkCopy = new SqlBulkCopy(destinationConnection)) { //Map first column in source to second column in sql table (skipping the ID column). //Excel schema[CompanyName,Phone] Table schema[ShipperID, CompanyName, Phone] bulkCopy.ColumnMappings.Add(0, 1); bulkCopy.ColumnMappings.Add(1, 2); bulkCopy.ColumnMappings.Add(2, 3); bulkCopy.ColumnMappings.Add(3, 4); bulkCopy.ColumnMappings.Add(4, 5); bulkCopy.ColumnMappings.Add(5, 6); bulkCopy.ColumnMappings.Add(6, 7); bulkCopy.ColumnMappings.Add(7, 8); bulkCopy.ColumnMappings.Add(8, 9); bulkCopy.ColumnMappings.Add(9, 10); bulkCopy.ColumnMappings.Add(10, 11); bulkCopy.ColumnMappings.Add(11, 12); bulkCopy.ColumnMappings.Add(12, 13); bulkCopy.ColumnMappings.Add(13, 14); bulkCopy.ColumnMappings.Add(14, 15); bulkCopy.ColumnMappings.Add(15, 16); bulkCopy.ColumnMappings.Add(16, 17); bulkCopy.ColumnMappings.Add(17, 18); bulkCopy.ColumnMappings.Add(18, 19); bulkCopy.ColumnMappings.Add(19, 20); bulkCopy.ColumnMappings.Add(20, 21); bulkCopy.ColumnMappings.Add(21, 22); bulkCopy.ColumnMappings.Add(22, 23); bulkCopy.ColumnMappings.Add(23, 24); bulkCopy.DestinationTableName = "dbo.sampleInventory"; using (var myCommand = new OleDbCommand(query, myConnection)) { myConnection.Open(); destinationConnection.Open(); var myReader = myCommand.ExecuteReader(); while (myReader.Read()) { bulkCopy.WriteToServer(myReader); } } } return (new DataTable()); getting error on connection opening line. Error: Could not find installable ISAM.

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  • Unusual RJS error

    - by rrb
    Hi, I am getting the following error in my RoR application: RJS error: TypeError: element is null Element.update("notice", "Comment Posted"); Element.update("allcomments", "\n\n\n \n\n waht now?\n\n \n\n \n\n \n\n asdfasdfa\n \n\n \n\n asdfasdf\n \n\n\n\n\n"); But when I hit the refresh button, I can see my partial updated. Here's my code: show_comments View: <table> <% comments.each do |my_comment| %> <tr> <td><%=h my_comment.comment%></td> </tr> <% end %> </table> show View: <div class="wrapper"> <div class="rescale"> <div class="img-main"> <%= image_tag @deal.photo.url %> </div> </div> <div class="description"> <p class ="description_content"> <%=h @deal.description %> </p> </div> </div> <p> <b>Category:</b> <%=h @deal.category %> </p> <p> <b>Base price:</b> <%=h @deal.base_price %> </p> <%#*<p>%> <%#*<b>Discount:</b>%> <%#=h @deal.discount %> <%#*</p>%> <%= link_to 'Edit', edit_deal_path(@deal) %> | <%= link_to 'Back', deals_path %> <p> <%= render :partial=>'deal_comments', :locals=>{ :comments=>Comment.new(:deal_id=>@deal.id)} %> </p> <div id="allcomments"> <%= render :partial=>'show_comments', :locals=>{ :comments=>Comment.find(@deal.comments)} %> </div> Controller: def create @comment = Comment.new(params[:comment]) render :update do |page| if @comment.save page.replace_html 'notice', 'Comment Posted' else page.replace_html 'notice', 'Something went wrong' end page.replace_html 'allcomments', :partial=> 'deals/show_comments', :locals=>{:comments=> @comment.deal.comments} end end def show_comments @deal = Deal.find(params[:deal_id]) render :partial=> "deals/show_comments", :locals=>{:comments=>@deal.comments} end end

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  • Replace first Letter in a field Oracle

    - by Stanley
    Hi Guys I have this Table I need to replace the First Letter in ACCT_NAME with the First Name of ACCT_SHORT_NAME. Records like the Higliighted(RAFFMAN) should not be changed. I have tried: select acct_name, ACCT_SHORT_NAME,replace(acct_name, substr(acct_name, 1, 1), ACCT_SHORT_NAME) from tbaadm.gam where schm_type = 'TDA' and rcre_user_id = 'SYSTEM' and substr(acct_name,2,1) = ' ' I am getting: This means that am Picking the whole value in ACCT_SHORT_NAME. WHat is the best way to do what am trying to do?

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