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• MySQL: Select pages that are not tagged?

  - by lauthiamkok

  Hi, I have a db with two tables like these below, page table pg_id title 1 a 2 b 3 c 4 d tagged table tagged_id pg_id 1 1 2 4 I want to select the pages which are tagged, I tried with this query below but doesn't work, SELECT * FROM root_pages LEFT JOIN root_tagged ON ( root_tagged.pg_id = root_pages.pg_id ) WHERE root_pages.pg_id != root_tagged.pg_id It returns zero - Showing rows 0 - 1 (2 total, Query took 0.0021 sec) But I want it to return pg_id title 2 b 3 c My query must have been wrong?? How can I return the pages which are not tagged correctly? Thanks.

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• Android: Prompt user to save changes when Back button is pressed

  - by chriskopec

  I have an activity that contains several user editable items (an EditText field, RatingBar, etc). I'd like to prompt the user if the back/home button is pressed and changes have been made that have not yet been saved. After reading through the android documentation, it seems like this piece of code should go in the onPause method. I've tried putting an AlertDialog in the onPause however the dialog gets shown and then immediately tears down because nothing is there to block the pause from completing. This is what I've come up with so far: @Override protected void onPause() { super.onPause(); AlertDialog ad = new AlertDialog.Builder(this).setMessage( R.string.rating_exit_message).setTitle( R.string.rating_exit_title).setCancelable(false) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // User selects OK, save changes to db } }).setNeutralButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // User selects Cancel, discard all changes } }).show(); } Am I on the right track or is there another way to accomplish what I'm trying to do here? Any help would be great!

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• Reload AJAX data every X minutes/seconds, jQuery

  - by NightMICU

  Hi everyone, I programmed a CMS that has a log of who has recently logged into the system. Presently, this data is fed into a jQuery UI tab via Ajax. I would like to put this information into a sidebar on the main page and load it via AJAX every 30 seconds (or some set period of time). How would I go about doing this? Does the PHP response need to be JSON coded? I am fairly new to AJAX and JSON data. Here is the PHP I am currently using to pull details from the users table- <?php $loginLog = $db->query("SELECT name_f, name_l, DATE_FORMAT(lastLogin, '%a, %b %D, %Y %h:%i %p') AS lastLogin FROM user_control ORDER BY lastLogin ASC LIMIT 10"); while ($recentLogin = $loginLog->fetch()) { echo $recentLogin['name_f'] . " " . $recentLogin['name_l'] . " - " . $recentLogin['lastLogin']; } ?> Thanks!

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• How to modify the Title Bar text for SQL Server Management Studio?

  - by DaveDev

  Sometimes I keep multiple instances of SQL Server Management Studio 2005 open. I might have the dev database open in one, and the production database open in another. These appear in the Windows task bar with the text "Microsoft SQL Serve...", which means it's impossible to differentiate between them unless I open the window and scroll the Object Explorer up to see what server the window is actually connected to. Is ther any way that I can get the window to display the server name first, and then the name of the application? Like "Dev-DB.database_name - Microsoft SQL Serve..." or whatever?

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• Sql server execute permission; failure to apply permissions

  - by WestDiscGolf

  I've just migrated from SQL2000 to SQL2008 and I have started getting an execute permission issue on a stored proc which uses sp_OACreate. The rest of the system works fine with the db login which has been setup and added to the database. I've tried: USE master GO GRANT EXEC ON sp_OACreate TO [dbuser] GO But this fails with the following error: Msg 15151, Level 16, State 1, Line 1 Cannot find the user 'dbuser', because it does not exist or you do not have permission. I'm logged into the server as sa with full permissions. I can execute a similar sql statement and apply the permissions to a server role, however not a login/user. How do I apply the changes to the specific user/login? I can apply the permissions to the public role and it resolves my issue; however this seems to be a security issue to me which I don't really want to apply to the live server.

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• Database design efficiency with 1 to many relationships limited 1 to 3

  - by Joe

  This is in mysql, but its a database design issue. If you have a one to many relationship, like a bank customer to bank-accounts, typically you would have the table that records the bank-account information have a foreign key that keeps track of the relationship between account and customer. Now this follows the 3rd normal form thing and is a widely accepted way of doing it. Now lets say that you are going to limit a user to only having 3 accounts. The current database implementation will support this and nothing would need to change. But another way to do this would have 3 coloms in the account table that have the id of the 3 respective accounts in them. By the way this violates 1st normal form of db design. The question is what would be the advantage and disadvantages of having the user account relationship recored in this way over the traditional?

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• Stored procedure does not return data if executed from VBA

  - by Sam

  I had stored procedure MySPOld in Sybase db. I created new sp MySP. This new sp returns data while executed from Sybase Sql Advantage. But not returning the data when called from VBA - Excel 2003 (EOF property of recordset is True). Here is my code.. Dim dbCon As ADODB.Connection Dim rstTemp As New ADODB.Recordset Dim query As String query = "exec MySP '01/01/2010', '01/14/2010'" dbCon.Open connectionString, "username" "password" dbCon.CommandTimeout = 300 rstTemp.Open query, dbCon, adOpenForwardOnly The code was working well with old sp. What could be the problem ? any idea ? Thanks in Advance.

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• Delphi 6 storeproc on windows 7

  - by Andres

  I work with Delphi 6 and SQL Server 2008. With Windows Vista everything runs ok. But since i change my OS to Windows 7 all my projects started to show a message when i'm trying to compile them that says "Stored procedure (SPname). Doesn't found or doesn't exist in the server. I look my server and it has the Sp with the correct name. i used ODBC connection and try the SQL Server and the SQL Native client 10.0 but the problem continues. the projects connect to the D.B with no problem until i try to run a SP. if i run the same projects in a vista again they work fine. If any of you can help me i really appreciate.......

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• User Controls Importing Problem (asp.net)(vb)

  - by Phil

  I have this class that contains vars for db connection; Public Shared s As String Public Shared con As String = WebConfigurationManager.ConnectionStrings("foo").ToString() Public Shared c As New SqlConnection(con) Public Shared x As New SqlCommand(s, c) I import this to my page like this; Imports DBVars I'm then able to access these vars from my page. But if I try to import them into a user control the variables are not available. Am I making an error or is this expected? Thanks.

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• Need help fetching an array using prepared statments

  - by eldan221

  I have wrote the following code to fetch a string. But for some reason its only returning 1. I have doubled checked everything and it seems like its correct. I am not sure why its only returning 1? Any help here would be really appreciated! //Class Defined here function MenuCat($id){ $query = "SELECT menu_category_description FROM menu_categories WHERE id = ?"; $stmt = $this->db->prepare($query); $stmt->bind_param("i", $id); $stmt->execute(); $stmt->bind_result($menu_category_description); $row = $stmt->fetch(); return $row; } $display_category = $cat_des->MenuCat($id); echo $display_category

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• Why can't I pass in a uniqueidentifier/GUID to a stored procedure

  - by chobo2

  Hi I have this SP USE [TestDB] GO /****** Object: StoredProcedure [dbo].[sp_test] Script Date: 06/12/2010 11:47:27 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE PROCEDURE [dbo].[sp_test] @id uniqueidentifier AS BEGIN select * from TestTbl where ProductId= @id END I then went to the SP with ms sql 2005 and clicked execute. It comes up with a box where I entered in the GUID. I copied and pasted it straight from my test database. I get this error. Msg 102, Level 15, State 1, Line 5 Incorrect syntax near 'cac671b'. So why can't I sent in GUIDs? even ones that are copied right from the database and must be valid as they where allowed into the db.

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• Javascript get li values and encode them

  - by bluedaniel

  At the moment I have two (maybe more) unordered lists which are sortable with jquery and ui. The things that work are that the lists are connected, items are draggable, items can be removed and a form that adds to the list. What I need however is a function that gets all the content for li items and json encode them ready to be sent off to some db function, or something. Im new to jquery however and cant find documentation for li items. Hope Ive explained this well. Daniel

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• Custom Output => List of Errors interpretation in VS2008 IDE.

  - by Hamish Grubijan

  Hello, I have a "database solution" project in VS2008 - it generates SQL for more than one DB vendor from some sort of templates. In order to save time, I also have a tool in VS2008 configured (a Python script), which can compile an individual stored procedure. Now, with the Python script I have the freedom of processing the output and have it take on whatever form I want. I am toying with an idea of having these errors and warnings somehow recognized and populating the click-able Error / Warning list. This is what a typical Oracle error looks like: LINE/COL ERROR -------- ----------------------------------------------------------------- 324/5 PL/SQL: Statement ignored 324/82 PLS-00363: expression 'VSOURCE_SYSTEM_ID' cannot be used as an assignment target Warning: Procedure created with compilation errors. PROCEDURE: ADD_PROPOSED error on creation Errors for PROCEDURE ADD_PROPOSED: LINE/COL ERROR This might be a long shot, but it is worthwhile for me. I do this stuff a lot. Thank you!

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• MySQL ODBC error "server has gone away"

  - by digitala

  Occasionally we're seeing an error from ASP pages: Microsoft OLE DB Provider for ODBC Drivers error '80004005' [MySQL][MyODBC 5.00.11][MySQL] 2006 MySQL server has gone away We're handling it the best way we can in ASP but it still crops up. I think it's more to do with the MySQL ODBC driver than the ASP code. We never see this with PHP code we also have running under the same IIS server, however PHP re-connects each time it is ran, whereas I believe the ODBC driver connects once and stays connected. I've checked the settings in the driver but there doesn't seem to be anything I can change to help mitigate the problem. Can anyone explain why this is happening and how to reduce the number of times it happens?

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• Suggestions for performance improvement surrounding sending email notifications?

  - by jcmoney

  It takes around a couple of seconds for my app to execute the code to send an email right now on a test server with nothing much else running. Not sure if this is typical/expected. I'm also using the php framework Kohana's email helper and not php's mail directly out of convenience if that matters. Is it always just better to schedule a cron job to send emails every 5 min or so? Or should I be able to send emails immediately and I'm just not doing something right? What the script does is insert a row into the db and notifies the relevant group that the row was created. The groups are usually < 20 people so I just do a loop calling Kohana's email helper each time for each member of the group.

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• Hibernate Unit tests - Reset schema

  - by Marco

  Hi, I'm testing the CRUD operations of my DAOs in JUnit tests. When i execute the single test, Hibernate always resets the schema and populates the DB in a known state. But when i execute multiple tests in a row, Hibernate resets the schema once, and then the data is accumulated during the execution of the tests. This is an unexpected behavior, so I'd like to add in the @Before method of the tests a function that explicitly resets the schema to avoid the pesistence of side data created by previous tests during the execution chain. Any tips? Thanks

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• Display an ashx image using jQuery?

  - by Abe Miessler

  I've been trying to use the jQuery plugin Colorbox to display images I have in my DB through an ashx file. Unfortunately it just spits a bunch of gibberish at the top of the page and no image. Can this be done? Here is what I have so far: $(document).ready ( function () { $("a[rel='cbImg']").colorbox(); } ); ... <a rel="cbImg" href="HuntImage.ashx?id=15">Click to see image</a>

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• PHP to C# and Vice versa

  - by Daniel Sh.

  I'm in this project: A web page that's gonna be used by the front-end company people to query and update data from a SQL DB. I'm working with visual studio and the code behind (C#) is almost done, so the interactions between SQL and C# and ok. My original idea was to work with ASP.NET which is familiar to me, but that's not gonna be possible. I have to switch to PHP. So, today is my first day learning PHP, checking http://php.net/manual/en/index.php and a lot of things seem quite similar to ASP.NET so I guess it won't be that hard. Anyways, some questions popped up quite fast as I wanted to script something else than a "hello world" . Is there an easy way to get/send C# variables from my class using a php page? I've read soemthing about using XML in order to do so, but still I'm scratching my head, is there another, easier, way to do this?

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• Does having a longer string in a SQL Like expression allow hinder or help query executing speed?

  - by Allain Lalonde

  I have a db query that'll cause a full table scan using a like clause and came upon a question I was curious about... Which of the following should run faster in Mysql or would they both run at the same speed? Benchmarking might answer it in my case, but I'd like to know the why of the answer. The column being filtered contains a couple thousand characters if that's important. SELECT * FROM users WHERE data LIKE '%=12345%' or SELECT * FROM users WHERE data LIKE '%proileId=12345%' I can come up for reasons why each of these might out perform the other, but I'm curious to know the logic.

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• How do I take the advantage of the variable column key/value structure of Cassandra

  - by icejade

  If I have to predefine all the columns, how do I take the advantage of the variable column key/value structure of cassandra? If I use update table command, it will insert null for all the rows which don't have that column. This is same as relational DB. For example, for contact column family, I have name, phone, email. I have 100 contacts have all 3 field. Then number 101 contact has skype id which I want to add. If I use insert statement, it won't let me add skypeid since it's not defined in the CF. So I have to run alter statement to change the CF, then all the first 100 contacts will have a null field for each of them.

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• PHP: read all files but randomly?

  - by mathiregister

  hi there, i wonder if there's a way of reading a directory in a random order. With the following code i'm running through the directory thumbs and it's printing images on my website. However, they are always read alphabetically and i wonder if there's a way in doing this randomly? <?php $path = 'thumbs'; if ($handle = opendir($path)) { while (false !== ($file = readdir($handle))) { if ($file != '.' && $file != '..' && $file != '.DS_Store' && $file != 'Thumbs.db') { print "<img class='thumb' src='$path/$file'/>"; } else { //no proper file } } closedir($handle); } ?> thank you for your suggestions! regards

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• Is a full list returned first and then filtered when using linq to sql to filter data from a databas

  - by RJ

  This is probably a very simple question that I am working through in an MVC project. Here's an example of what I am talking about. I have an rdml file linked to a database with a table called Users that has 500,000 rows. But I only want to find the Users who were entered on 5/7/2010. So let's say I do this in my UserRepository: from u in db.GetUsers() where u.CreatedDate = "5/7/2010" select u (doing this from memory so don't kill me if my syntax is a little off, it's the concept I am looking for) Does this statement first return all 500,000 rows and then filter it or does it only bring back the filtered list?

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• Dealing with schema upgrades while using Hibernate

  - by nehagp

  I'm using Hibernate as the ORM for my application. I would like to know if there is a good solution to dealing with schema upgrades in my application when these upgrades are done by someone else. For example, I have a set of hbm.xml files and corresponding java classes generated using Hibernate tools. Now in production, everything works fine until the db schema is upgraded (tables/columns may be dropped/added). I do not (my app doesn't) have access to do that so how do I deal with this using Hibernate? Thanks!

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• Notify a content resolver when normal sql insert or update

  - by user1400538

  I have created a small content provider (which I only use to query a db table and fetch some value). I have confirmed that the provider works fine. The table values get updated on a regular basis through normal sql insertions(and not through anycontent provider) Whenever an insert/update or delete occurs through a normal sqlite operation as mentioned above, I need to notify the content resolvers which was written to communicate with the content provider just for quering database and fetch some values. Is this, possible? If yes what need to be done? Any help is appreciated.

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• How to bind data in silverlight? In case I don't know which columns would be retrieved from database

  - by kwon

  I am trying to bind data from database to datagrid in silverlight. When I get typed data from DB, it is no problem since I use List<'EntityObject' collection object for example. However, sometimes I need data which I won't be able to know how many and what columns will be generated in design time. In this case, I cannot use typed collection like List<'EntityObject'. In addition, it is not able to use DataSet in silverlight. So, in this case and situation, how to solve this kind of problem? Thanks in advance Kwon

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