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• LINQ Query and DateTimes....

  - by AlwaysBeCoding

  Im trying to get the Sum() from an Entityset with the next query. (from MyObject p in SelectedObject.MyObjectEntitySet where p.AColumn.HasValue && (p.ADate >= dateTimeValue && p.ADate <= dateTimeValue2) select p.AColumn.Value).Sum(); with no luck retrieving correct sum. Any Ideas?

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• how to pass parameters to sql query

  - by Shiny

  Im using Sql compact server.I created table with varchar datas.But i select a particular column member to be an identity.im programming in c#. I want pass the query. how can i achieve this? Im new to this sql compact,

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• simple question about oracle indexes

  - by john

  If I have an oracle query like below: SELECT * FROM table_a where A = "1", B = "2", C = "3" for this query to pickup one of the indexes of table_a...does the index need to be on all 3 of these columns? What I am asking is: What if Index is on A, B, C, D? What if Index is on B, C? Will the index only be picked when it is on A, B, C?

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• Should I use AJAX or get every data beforehand

  - by rix501

  I have a web app where I need to change a drop down list dynamically depending on another drop down list. I have two options: Get all the data beforehand with PHP and "manage" it later with Javascript. Or get the data the user wants through AJAX. The thing is, that the page loads with all the data by default and the user can later select a sub category to narrow the drop downs. Which of the two options are better (faster, less resource intensive)?

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• Mysql ADDDATE() or DATE_ADD() with table columns?

  - by John

  How do I do something like the following SELECT ADDDATE(t_invoice.last_bill_date, INTERVAL t_invoice.interval t_invoice.interval_unit) FROM t_invoice ...where the column t_invoice.last_bill_date is a date, t_invoice.interval is an integer and t_invoice.interval_unit is a string. Basically, I want to determine a person's next bill date based on his desired billing frequency. Is there a better way to achieve this?

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• What does this query mean?

  - by zihado

  I'm reading a book about SQL. In that book, I saw strange query below: SELECT * into mycustomer from customer WHERE 1=2 In this query, what is "WHERE 1=2" ?

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• How to count NULL values in MySQL?

  - by abbr

  I want to know how can i find all the values that are NULL in the MySQL database for example I'm trying to display all the users who don't have an average yet. Here is the MySQL code. SELECT COUNT(average) as num FROM users WHERE user_id = '$user_id' AND average IS_NULL

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• image loading problem in swf file.

  - by sabuj

  firstly i select an image clicking on a buttom. Then when i click into another button to show some text there also the image appear. This widget is built on AcrionScript 3.

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• Getting maximum value from table using LINQ

  - by Tena

  I have a table in my database. I want to get the maximum value of a column named NumOfView. I used this code: var advert=(from ad in storedb.Ads where ad.AdScope == "1" select ad.NumOfView).Max(); It works but when there are two or more same maximum values it doesn't work and this message appears: Sequence contains more than one element What should I do now? Your answers will be very helpfull. Thanks

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• sql clarification

  - by JPro

  Can anyone please clarify what this query will return ? SELECT TestCase FROM MyTable WHERE Verdict = 'PASS' AND StartTime > DATE_SUB(NOW(), INTERVAL 2 MONTH)

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• sql: how to use count for a particular column ,(or) to count a particular column by its field name

  - by Aravintha Bashyam

  in my query i need a to count a particular column by its field name, SELECT C.INC_COUNT, MIN_X, MIN_Y, MAX_X, MAX_Y, B.STATE_ABBR, B.STATE_NAME, B.LATITUDE, B.LONGITUDE, A.STATE, GEO_ID, concat(A.LSAD_TRANS,' ' , A.NAME) DIST_NAME, A.LSAD, GeometryType(SHAPE) GEO_TYPE, AsText(SHAPE) GEOM from SHAPE_LAYERS A join SHAPE_LAYER_STATE_DESC B on ( A.state = B.state) left outer join INC_DIST_SUMMARY_ALL C on (C.SHAPE_GEO_ID = A. GEO_ID) here i have to count by B.STATE_NAME ,C.INC_COUNT if exmple the field name nevada means i have to get all neveda value count and the C.INC_COUNT.

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• Colored Data in 1 String in a gridview in asp.net?

  - by Kovu

  Hi, I have a resultgridview from a search query. In this gridview I have a name e.g. "aaaaaaaaaabbbbbbbbbbbbcccccccc" If the user serach "bbbbbbbbbbbbbb" I will select the "bbbbbbbbbbbbbb" in the string in the gridview in red and bold. how to do it?

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• PHP forms $_GET and $_POST methods

  - by user294705

  After I select the checkbox and press the button, the result data should display in the other page.I need to know the way I do this in php. My querry is working fine in the database and It shows the results.Now I need to display those results in the other page after selecting the first page checkbox and button(relevent to that checkbox).

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• Why does this sql code give error 1066 (Not unique table/alias: ‘customer)?

  - by aadersh patel

  SELECT customer.id, customer.firstName, account.id FROM customer, account INNER JOIN customer ON customer.id = account.customerId ORDER BY customer.id appologies for the poor editing...

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• sql 2008 query. I am trying to correct this error message

  - by getbruce

  What is wrong with this code? What would be the correct syntax? SELECT EmployeeID, SUM('More than 2 orders') FROM Orders WHERE EmployeeID 2 GROUP BY EmployeeID Msg 8117, Level 16, State 1, Line 1 Operand data type varchar is invalid for sum operator.

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• ADO.NET Data model and JSON

  - by ognjenb

  public ActionResult Example() { var q = from i in proba.name select i; return View(); } How with this data make Json data and put them to table (on some View - no strongly typed)

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• Clustered Index

  - by Charu

  Which type of index(clustered/non clustrered) should be used for Insert/Update/Delete statement in SQL Server. I know it creates an additional overhead but is it better in performance as comparison to non clustered index? Also which index should be use for Select statements in SQL Server?

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• How do i insert 1000 times in one statement? with SQLITE?

  - by acidzombie24

  I want to fill this table with 10000000 values but first i want only 1000. I tried this in sqlite database browser but 3 isnt inserted unless i drop everything after it. But more importantly i dont know how to have num go from 1 to 1000. create table if not exists test1(id integer primary key, val integer); insert into test1(val) select '3' as num where num between 1 and 1000

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• How remove node ID [nid:n] in NodeReference fields

  - by Snazzy

  Hi. This is the same question of this link: http://stackoverflow.com/questions/1515722/removing-nidn-in-nodereference-autocomplete According with the first answer (Grayside) I've created my own module and activated. Then I create a new content, I look sth up in the nodereference field and finally select it - it works (Doesn't appear the [nid:n]). But, when I view/preview or save or edit the content, the [nid:n] appears again. Anybody can help me?

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• mySQL convert varchar to date

  - by Jeff V

  I need to convert a varchar value of 1/9/2011 to a date in mySQL and I want only the month and year. So that I can then use the PERIOD_DIFF function (so I would need the above to be converted to 201101). I've tried various ways using the STR_TO_DATE function: SELECT STR_TO_DATE(CYOApp_oilChangedDate, '%m/%Y') FROM CYO_AppInfo But I get weird results... (for example: 2009-01-00) What am I doing incorrectly?

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• T-SQL - GROUP BY with LIKE - is this possible?

  - by fieldingmellish

  Is there a way to include a LIKE expression in a GROUP BY query? For example: SELECT Count(*) from tblWhatever GROUP BY column_x [LIKE %Fall-2009%] column_x: -------- BIOL-Fall_2009 HIST Fall_2009 BIOL Spring_2009 Result: ------ Fall_2009 2 Spring_2009 1

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• Invalid attempt to access a field before calling Read() INSERT

  - by Raphael Fernandes

  I'm trying to use this code to check if the system already exists a field with this value Dim adap As New MySqlDataAdapter Dim sqlquery = "SELECT * FROM client WHERE code ='"+ TxtCode.Text +"'" Dim comand As New MySqlCommand() comand.Connection = con comand.CommandText = sqlquery adap.SelectCommand = comand Dim data As MySqlDataReader data = comando2.ExecuteReader() leitor.Read() If (data(3).ToString) = code Then MsgBox("already exists", MsgBoxStyle.Information) TxtCode.ResetText() TxtCode.Focus() Else Console.WriteLine(insert("INSERT INTO client (name, tel, code) VALUES ('" & name & "', '" & tel & "')")) con.Close() End If

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• Check Directories in C# using Linq

  - by pm_2

  Can someone tell me what I'm doing wrong with the following Linq query? I'm trying to find the directory with the highest aphanumerical value. DirectoryInfo[] diList = currentDirectory.GetDirectories(); var dirs = from eachDir in diList orderby eachDir.FullName descending select eachDir; MessageBox.Show(dirs[0].FullName);

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• Selector for a range of ids

  - by Kiffin

  I need to select all span tag elements within a div with an id list_{[0-9]}+ having the following form: <div id="list_1234" ...> <!-- can be nested multiple levels deep --> ... <span class="list_span">Hello</span> </div> How can I do that, e.g. without using jQuery? Is that possible?

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• How to know device/emulator layout (landscape/portrait) is changed

  - by android_novice

  I am using two xml layout file layoutPotrait.xml and layoutLandscape.xml.When device/emulator is in portrait mode i want to select layoutPortrait.xml and vice versa.How can i acheive this ? Thanks.

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