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• What is the lightest way to make a huge chess-like grid?

  - by Sotkra

  Hey there I'm working on a browser-game and I can't help but wonder about what's the lightest way to make the grid/board on which the game takes place. Right now, as a mere sample, I'll show you this: http://sotkra.com/game/ Now, as the grid gets bigger and bigger, the table and its td's create a very heavy filepage which in turn...sucks in more resources from the browser engine and computer. So, is a table with td's the most lightweight way to craft a huge grid-like board or is there something lighter that you recommend? Cheers Sotkra

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• how to declare datetime datatype in mysql in a normal pojo class

  - by Rajesh

  How to declare datetime datatype in normal java class Example: I have one SampleUser table, in that for UpdateDate column I declare datatype as datetime, for this table I need to create a pojo class, so how I have declare datetime datatype in Java-bean ?? class User { /* shall we use java.sql.Timestamp for **UpdateDate** field........? */ private Timestamp updateDate; } this Syntax is correct??

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• Illegal Character in File Name

  - by Sri Kumar

  Hi, During my file upload process, I found illegal character getting saved in Table. zurück.pdf, C _Word.doc were the file names. Here ü, space between C and _Word was found as ? in the Table Column. I have validate the filename in client side by replacing non-alpha numeric values by _ (underscore), but still it escapes and persist into DB. How can these handled in Client side?

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• New to HBase. I need help as I'm new to HBase, but use to SQL.

  - by WackoMax

  Hi there I'm use to SQL, but I need to read data from a HBase table. Any help on this would be great. A book or maybe just some sample code to read from the table. Someone said using a scanner would do the trick, but I do not know how to use it.

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• PHP MySQL Zend-ACL - Find all inherited items (Children / Parents)

  - by Scoobler

  I have one MySQL DB table like the following, the resources table: id | name | type 1 | guest | user 2 | member | user 3 | moderator | user 4 | owner | user 5 | admin | user 6 | index | controller Onto the next table, the rules table: id | user_id | rule | resource_id | extras 1 | 2 | 3 | 1 | null 2 | 3 | 3 | 2 | null 3 | 4 | 3 | 3 | null 4 | 5 | 3 | 4 | null 5 | 6 | 1 | 1 | index,login,register 6 | 6 | 2 | 2 | login,register 7 | 6 | 1 | 2 | logout OK, sorry for the length, but I am trying to give a full picture of what I am trying to do. So the way it works, a role (aka user) can be granted (rule: 1) access to a controller, a role can inherit (rule: 3) access from another role or a role and be denied (rule: 2) access to a controller. (A user is a resource and a controller is a resource) Access to actions are granted / denied using the extras column. This all works, its not a problem with setting up the ACL within zend. What I am now trying to do is show the relationships; to do that I need to find the lowest level a role is granted access to a controller stopping if it has explicitly been removed. I plan on listing the roles. When I click a role, I want it to show all the controllers that role has access to. Then clicking on a controller shows the actions the role is allowed to do. So in the example above, a guest is allowed to view the index action of the index controller along with the login action. A member inherits the same access, but is then denied access to the login action and register action. A moderator inherits the rules of a member. So if I were to select the role moderator. I want to see the controller index listed. If I click on the controller, it should show the allowed actions as being action: index. (which was originally granted to the guest, but hasn't since been dissallowed) Is there any examples to doing this. I am obviously working with the Zend MVC (PHP) and MySQL. Even just a persudo code example would be a helpful starting point - this is one of the last parts of the jigsaw I am putting together. P.S. Obviously I have the ACL object - is it going to be easier to interigate that or is it better to do it my self via PHP/MySQL? The aim will be, show what a role can access which will then allow me to add or edit a role, controller and action in a GUI style (that is somewhat the easy bit) - currently I am updating the DB manually as I have been building the site.

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• ssms copy database

  - by 2xMax

  Hello, I have a local sql express server with DB A and remote server uXXX.mssql.domainname.com with DB B. using sql mangament studio 2008, I want to move copy DB A to DB B with all tables, data, dependencies and stored procedures. how to figure out this problem? I only had understood table and table data copying(using Tasks-Import Data).

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• SQL 2008 HierarchyID - Select X descendants down

  - by NTulip

  How can I query a table which has a column of data type HIERARCHYID and get a list of descendants X levels deep under an employee? Here is the current structure: CREATE TABLE [dbo].[Employees]( [NodeId] [hierarchyid] NOT NULL, [EmployeeId] [int] IDENTITY(1,1) NOT NULL, [FirstName] [varchar](120) NULL, [MiddleInitial] [varchar](1) NULL, [LastName] [varchar](120) NULL, [DepartmentId] [int] NULL, [Title] [varchar](120) NULL, [PhoneNumber] [varchar](20) NULL, [IM] [varchar](120) NULL, [Photo] [varbinary](max) NULL, [Bio] [varchar](400) NULL, [Active] [bit] NULL, [ManagerId] [int] NULL )

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• Deleting rows from different tables

  - by Ross

  Here is what i'm trying to do: Delete the project from projects table and all the images associated with that project in the images table Lets say $del_id = 10 DELETE FROM projects, images WHERE projects.p_id = '$del_id' AND images.p_id = '$del_id' What is wrong with this query

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• iPhone database load

  - by Mizan

  I have a sqlite databse that holds a table. The table contains about 7500 data. I've fetch the 7500 data in a UITableView. A UISearchBar is used to search the UITableView.There is no problem in simulator but when I run in a iPhone device, then it will take time to load and when I type to SearchBar then it hangs the device keyboard. Is there any optimal solution to load 7500 data in a UITableView?

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• Easy C library to access MySQL

  - by Pyrite

  Any suggestions for a real simple C library to query a single MySQL table, nothing fancy here. Just doing a single select * from a table. Any help is appreciated.

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• Using a comma seperated data in MYSQL "IN" clause

  - by Sashi Kant

  I have a column in one of my table where I store multiple ids seperated by comma's. Is there a way in which I can use this column's value in the "IN" clause of a query. The column(city) has values like 6,7,8,16,21,2 I need to use as Select * from table where e_ID in (Select city from locations where e_Id=?) I am satisfied with Crozin's answer, but I am open to suggestions, views and options. Feel free to share your views.

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• SQL Server Query Command

  - by Scott Jackson

  Hi, I have an SQL database table, I want to find everything in a table where the 'Room' says 'DISPOSED', Insert 'DISPOSED' into the 'Status' field and then delete the entry in 'Room'. Basically moving the entry from one field to another (if the 'Room' field has 'DISPOSED' in it) Hope this makes sense. Thanks for any help.

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• How do I link ASP.NET membership/role users to tables in db?

  - by SnapConfig.com

  I am going to use forms authentication but I want to be able to link the asp.net users to some tables in the db for example If I have a class and students (as roles) I'll have a class students table. I'm planning to put in a Users table containing a simple int userid and ASP.NET username in there and put userid wherever I want to link the users. Does that sound good? any other options of modeling this? it does sound a bit convoluted?

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• Business Objects ver 3 Alternate Row/Column Colors not active

  - by boxeo47

  I am converting reports from version 2 to version 3. When I select the vertical table in the report, the propeties box appears but any changes I make is not reflected in the table. If I change any attributes at the column or cell level however, the changes are taken. The problem is that some attributes like alternate row coloring are not available at the column level.

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• updating uitableview from the custom cell after changing it

  - by Nava Carmon

  Hi, I've implemented edit menu from my custom UITableViewCell class. I have a small problem of updating a table view from inside the custom table cell class. What is the best approach to do that? TIA

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• Employee Clocking in & Out System database

  - by user164577

  What would be the best database design for employee clocking and out? Right now I have two tables. Employee Base Table: Employee Id, relevant information like name and address, clocked in column Employee Clocked in Table: Employee id, clock in date, Clock in Time, Clocked Out Time. Is this a good way to track clocked in and clocked out? I appreciate any help

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• get data from online once and then viewable offline

  - by user313100

  Okay, I want to have an app that takes phone numbers from an online database and displays them in a table view. When the user is not online, I want them to still be able to see the numbers they already got from the database in the table view. If the user manages to go back online, the database updates the view. My question is, is this possible to do and if so, what's the best way to approach it? (bit of a newbie, please help me out)

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• MySQL: count enumerated values?

  - by John Isaacks

  If my table looks like this: daily_individual_tracking', 'CREATE TABLE `daily_individual_tracking` ( `daily_individual_tracking_id` int(10) unsigned NOT NULL auto_increment, `daily_individual_tracking_date` date NOT NULL default ''0000-00-00'', `sales` enum(''no'',''yes'') NOT NULL COMMENT ''no'', `repairs` enum(''no'',''yes'') NOT NULL COMMENT ''no'', `shipping` enum(''no'',''yes'') NOT NULL COMMENT ''no'', PRIMARY KEY (`daily_individual_tracking_id`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1 basically the fields can be either yes or no. How can I count how many yes's their are for each column over a date range? Thanks!!

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• reclaim unsued space in sql 2008

  - by opensas

  I have a table with more than 300.000 records, that weights approximately 1.5 GB In that table I have three varchar(5000) fields, the rest are small fields I issue an update, setting those three fields to '' An after a shrink (database and files) the database uses almost the same space as before... DBCC SHRINKDATABASE(N'DataBase' ) DBCC SHRINKFILE (N'DataBase' , 1757) DBCC SHRINKFILE (N'DataBase_log' , 344) any idea?

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• Can I create a datetime column with default value in sqlite3?

  - by NobodyMan

  Is there a way to create a table in sqlite3 that has a datetime column that defaults to 'now'? The following statement returns a syntax error: create table tbl1(id int primary key, dt datetime default datetime('now'));

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• how to write sqlite update operation in two tables?

  - by sxingfeng

  I am using SQLite, TABLE A ( ID FileNAME FOLDERID ) TABLE B ( FOLDERID FOLDERPATH ) I want to write a sql statement to delete all files in A where its Folder is subfolder of C:\ABC\; How Can I make it in one sqlite statement, and is it the best way to do? Many thanks!

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• what's wrong with this code?

  - by user329820

  Hi this is my code which will not work correctly ! what is wrong with its data type :( thanks CREATE TABLE T1 (A INTEGER NOT NULL); CREATE TABLE T3 (A SMALLINT NOT NULL); INSERT T1 VALUES (32768.5); SELECT * FROM T1; INSERT T3 SELECT * FROM T1; SELECT * FROM T3;

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• Is there a way to prevent Triggers from being disabled?

  - by HAdes

  I have a trigger on a table that should never be disabled. It performs certain checks and there have been occasions when other developers have disabled it to get around it. This is not good so I want to be able to turn off trigger disablement on this table alone. Is this possible? If not, any suggestions please. thanks.

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• asp.net gridview editing

  - by George

  I have a gridview (Edit and Delete enabled) that shows a table. A Text Box and A Button. When I type something in the textbox and click the button, the button runs the datasource.filterexpression and filters out the rows. The question whenever I click on the edit button after the filter has been applied The grid auto resets back to the original table? How can I solve this?

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• Strange use of the index in Mysql

  - by user309067

  explain SELECT feed_objects.* FROM feed_objects WHERE (feed_objects.feed_id IN (165,160,159,158,157,153,152,151,150,149,148,147,129,128,127,126,125,124,122,121,120,119,118,117,116,115,114,113,111,110)) ; +----+-------------+--------------+------+---------------+------+---------+------+------+-------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+--------------+------+---------------+------+---------+------+------+-------------+ | 1 | SIMPLE | feed_objects | ALL | by_feed_id | NULL | NULL | NULL | 188 | Using where | +----+-------------+--------------+------+---------------+------+---------+------+------+-------------+ Not used index 'by_feed_id' But when I point less than the values in the "WHERE" - everything is working right explain SELECT feed_objects.* FROM feed_objects WHERE (feed_objects.feed_id IN (165,160,159,158,157,153,152,151,150,149,148,147,129,128,127,125,124)) ; +----+-------------+--------------+-------+---------------+------------+---------+------+------+-------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+--------------+-------+---------------+------------+---------+------+------+-------------+ | 1 | SIMPLE | feed_objects | range | by_feed_id | by_feed_id | 9 | NULL | 18 | Using where | +----+-------------+--------------+-------+---------------+------------+---------+------+------+-------------+ Used index 'by_feed_id' What is the problem?

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