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• Ruby on Rails: How can I authenticate different user types from one place?

  - by sscirrus

  Hi everyone! This is my first post on Stack Overflow. I am trying to build a system that authenticates three types of user with completely different site experiences: Customers, Employers, and Vendors. I'm thinking of using a polymorphic 'User' table (using AuthLogic) with username, password, and user_type (+ AuthLogic's other required fields). If this is a good way to go, how do I set this up so after authenticating an user_id with a user_type the standard way, I can direct the user to the page that's right for them? Thanks.

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• Inheritance in kohana

  - by Binaryrespawn

  Hi all, I have recently started to use Kohana and I know inheritance is in infancy stages at the moment. The work around is using a $_has_one annotation on the child class model. In may case i have "page" as the parent of "article". I have something like, protected $_has_one = array('mypage'=>array('model'=>'page', 'foreign_key'=>'id')); In my controller, I have an action which queries the database. In this query I am trying to access fields form the parent of "article" which is the "page". $n->articles=ORM::factory('article')->where('expires','=',0) ->where('articledate','<',date('y-m-d')) ->where('expirydate','>',date('y-m-d')) ->where('mypage->status','=','PUBLISHED') ->order_by('articledate','desc') ->find_all(); The status column resides in the page table and my query is generating an error to the effect of "cannot find status", clearly because it belongs to the parent. Any ideas ?

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• phpmyadmin and the database

  - by Jonathan

  Not sure I fully understand what phpmyadmin does. I created a database in phpmyadmin, and would now like to start accessing the data in it from php. However I have no idea where the database is? Should I export in the phpmyadmin software? I tried that but it came up with a .sql file which can be opened in notepad and contains the SQL statements used to create the datbase and the one table inside. Basically that doesn't look like a database to me.

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• [struts 2] How do you iterate through a list of objects?

  - by Kevin

  I have a User class that has a String username in it. I have a list of users that I'm trying to display in a table using <s:iterator value="users" id="list"> <tr> <td><s:property value="#list.username" /></td> <td></td> <td></td> <td></td> </tr> </s:iterator> The rows are being displayed the right number of times, so it's iterating through my list properly. However, I don't know how to access the username property to display it. Obviously what I have above isn't correct... Any ideas?

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• Possible to sort via two time stamps and display same row twice.

  - by jamiethompson90

  I'm looking at creating a time table solution. I have a task sheet that looks like Area 1 item 1 startTime endTime Area 1 item1 startTime endTime I wish to create a display where I can view what even is happening next, either endTime or startTime i.e. Newcastle reel 16:45 18:45 Newcastle reel2 17:45 19:45 would output Newcastle reel 16:45 Newcastle reel 17:45 Newcastle reel 18:45 Newcastle reel 19:45 More so, I would like to detect if the time is a startTime or an endTime would I have to enter two rows for each activity (time,area,item, start|end). I can make the interface to the creation of two rows. I just wondered if there was a better solution. Any input is appreciated, Thanks, Jamie

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• Adding buttons dynamically to a uitableviewcell - iPhone app

  - by alan

  I have a verb conjugation app that displays verb translations in the first cell of a table. At present the translation list is just a string (comma-separated list) but I'd like to change it to have clickable buttons. I had a play around adding buttons to the cell view without too much success but my only experience with custom cells has been using specific positioning so I'm unsure as to how to achieve a dynamic list of buttons (varying widths) within a cell. Any help greatly appreciated. Cheers.

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• How to Add Horizontal line in Javascript

  - by user54197

  I would like to add a horizontal seperating line on a dynamic populated table. How do I do this? Below is a snippet. function addNewRow() { $('#displayTable tr:last').after('<tr><td style="font-size:smaller;" class="dataField1"></td><td style="font-size:smaller;" class="dataField2"></td><td style="font-size:smaller;" class="dataField3"></td></tr>'); var $tr = $('#displayTable tr:last'); $tr.find('.dataField1').text($('#txtName').val()); $tr.find('.dataField2').text($('#txtAddress').val()); $tr.find('.dataField3').text('document.write("<tr><td colspan=\"2\"><hr \/><\/td><\/tr>"); }

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• Stored procs breaking overnight

  - by Chad

  We are running MS SQL 2005 and we have been experiencing a very peculiar problem the past few days. I have two procs, one that creates an hourly report of data. And another that calls it, puts its results in a temp table, and does some aggregations, and returns a summary. They work fine...until the next morning. The next morning, suddenly the calling report, complains about an invalid column name. The fix, is simply a recompile of the calling proc, and all works well again. How can this happen? It's happened three nights in a row since moving these procs into production.

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• GWT formating flextable content & Panel create on the fly

  - by graybow

  I have a project showing comments database I put the comments in FlexTable TabelKomen and I put the text in HTML format like this: private static final int y=1; public void UpdateTabelKomen(JsArray str){ for(int i=0; i str.length(); i++){ UpdateTabelKomen(str.get(i)); } } public void UpdateTabelKomen(ImageDetailData str){ TabelKomen.setWidget(y, 0, new HTML(str.getmember + "'s comment :" + str.getkomen())); TabelKomen.getFlexCellFormatter().setWordWrap(y, 0, true); y++; } The data was shown, but my text comment is not word wraped and make my flex table wider. Of course that will ruin my web appearance. I change new HTML with new ScrolPanel(new HTML) seems not working. so How can I Format my FlexTable? is there any option beside flextable or scrollpanel?

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• Update query for Access Database for certain Parameters

  - by nitinkhanna

  Hi, I am using MS Access as a database and using c#, .net for updating some records in it. But it is giving error saying "No value given for one or more required parameters." There are 5 colums in Table and I want to update only 2, for that I have written the query like "update User_DTL set user_role_id = '" + _UserRole + "', auth_id ='" + _authId + "'" + " WHERE Id = '" + _Id + "' "; where _UserRole, _authId, _Id are strings. What may be the error. Do I need to give every parameter in update statement or there is some other way. Thanks

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• Appropriate data structure for a buffer of the packets

  - by psihodelia

  How to implement a buffer of the packets where each packet is of the form: typedef struct{ int32 IP; //4-byte IP-address int16 ID; //unique sequence id }t_Packet; What should be the most appropriate data structure which: (1) allows to collect at least 8000 such packets (fast Insert and Delete operations) (2) allows very fast filtering using IP address, so that only packets with given IP will be selected (3) allows very fast find operation using ID as a key (4) allows very fast (2), then (3) within filtered results ? RAM size does matter, e.g. no huge lookup table is possible to use.

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• Insert hex string value to sql server image field is appending extra 0

  - by rotary_engine

  Have an image field and want to insert into this from a hex string: insert into imageTable(imageField) values(convert(image, 0x3C3F78...)) however when I run select the value is return with an extra 0 as 0x03C3F78... This extra 0 is causing a problem in another application, I dont want it. How to stop the extra 0 being added? The schema is: CREATE TABLE [dbo].[templates]( [templateId] [int] IDENTITY(1,1) NOT NULL, [templateName] [nvarchar](50) NOT NULL, [templateBody] [image] NOT NULL, [templateType] [int] NULL) and the query is: insert into templates(templateName, templateBody, templateType) values('I love stackoverflow', convert(image, 0x3C3F786D6C2076657273696F6E3D.......), 2) the actual hex string is quite large to post here.

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• How to run AWS sample JAVA code on an EC2

  - by SeaPlusPlus

  I just started with Amazon web services, and I have an EC2 instance. I downloaded the JAVA SDK and the Eclipse toolbox. I am able to run a sample program locally on my PC and connect to the Amazon databases, etc. My question is, what do I need to do to get this working on my EC2 instance? This may not even be specific to AWS. On Eclipse, I can just "Run as Application" and run any code. On the server side, what do I need to do? Should I ftp over my .java files? Should I export it to a jar and upload that? Do I need to install anything special to actually run it? I'm just trying to run the basic DynamoDB example that connects to the database and adds a new table and row

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• What would be the best schema to store the 'address' for different entities?

  - by Cesar

  Suppose we're making a system where we have to store the addrees for buildings, persons, cars, etc. The address 'format' should be something like: State (From a State list) County (From a County List) Street (free text, like '5th Avenue') Number (free text, like 'Chrysler Building, Floor 10, Office No. 10') (Yes I don't live in U.S.A) What would be the best way to store that info: Should I have a Person_Address, Car_Address, ... Or the address info should be in columns on each entity, Could we have just one address table and try to link each row to a different entity? Or are there another 'better' way to handle this type of scenario? How would yo do it?

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• search text in pdf in iphone

  - by Jaimin

  i m trying to do search funtionality in iphone.. i pass the page number and the string to be searched.. but it is not getting the proper output. in contentStream i get nothing.. i got this code by googling. i dont know what will be dere in contentStream object. -(BOOL)page:(CGPDFPageRef)inPage containsString:(NSString *)inSearchString; { [self setCurrentData:[NSMutableString string]]; CGPDFContentStreamRef contentStream = CGPDFContentStreamCreateWithPage(inPage); CGPDFScannerRef scanner = CGPDFScannerCreate(contentStream, table, self); bool ret = CGPDFScannerScan(scanner); CGPDFScannerRelease(scanner); CGPDFContentStreamRelease(contentStream); return ([[currentData uppercaseString] rangeOfString:[inSearchString uppercaseString]].location != NSNotFound); } need help urgently.. and if there is any other solution than also it is fine..

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• Is this possible with Sql 2005 CTE?

  - by aenima1982

  I have been working on a query that will return a suggested start date for a manufacturing line based on due date and the number of minutes needed to complete the task. There is a calendar table(LINE_ID, CALENDAR_DATE, SCHEDULED_MINUTES) that displays per manufacturing line, the number of minutes scheduled for that day. Example: (Usually 3 shifts worth of time scheduled per day, no weekends but can vary) 1, 06/8/2010 00:00:00.000, 1440 1, 06/7/2010 00:00:00.000, 1440 1, 06/6/2010 00:00:00.000, 0 1, 06/5/2010 00:00:00.000, 0 1, 06/4/2010 00:00:00.000, 1440 In order to get the suggested start date, I need to start with the due date and iterate downward through the days until i have accumulated enough time to complete the task. My Question can something like this be done with CTE, or is this something that should be handled by a cursor. Or... am i just going about this the wrong way completely??

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• How do you encode an apostrophe so that it's searchable in mysql?

  - by Yegor

  I don't think that was the most clear question, but an example should make it a little clearer. I have a table filled with movie names, some of which contain apostrophes. I have a search box which is used to find movies. If I perform searches via mov_title = '$search_keywords' it all works, but this method will not yield any results for partial searches, so I have to use this mov_title LIKE '%$search_keywords%' This method works fine for titles that are A-Za-z0-9, but if a title has an apostrophe, it's not able to find the movie, even if I do an exact match. Before the titles are stored in the DB, I put them through this: $search_keywords = htmlspecialchars(mysql_escape_string($_GET["search_keywords"])); So in the DB, there is a forward slash before every single apostrophe. The only way to match a movie title with an apostrophe is to physically put a forward slash in front of the apostrophe, in the search box. This seems so trivial, and I'm sure the solution is painfully obvious, but I'm just not seeing it.

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• How to get ListView to grow to the size of content

  - by Jared

  So I have a fairly complex activity the parent being a linearlayout with a table with some basic info and buttons. Then a couple listviews that the user can add items to. So these listviews grow more and more as the user uses the app. The problem I'm running into is the Linearlayout is bigger then the resolution of the screen and so it needs to scroll. So the scrolling doesn't work on the Listviews. I've tried playing with changing the layout_height of the listview and its child element with no success. Is there a way to make these couple listviews expand out to the amount of children? Or am I going about this all wrong? If so what other controls can I use? I'm open to any ideas. I really just don't know how to go about this. Thanks

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• Grouping data into ranges in R

  - by Maddy

  supposing i have a data frame in R that has names of students in one column and their marks in another column. these marks range from 20 to 100. > mydata id name marks gender 1 a1 56 female 2 a2 37 male i want to divide the student into groups, based on the criteria of obtained marks, so that difference between marks in each group should be more than 10. i tried to use the function table, which gives the number of students in each range from say 20-30, 30-40, but i want it to pick those students that have marks in a given range and put all their information together in a group. any help is appreciated.

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• Java Hibernate Lazy=false

  - by Noor

  When setting Lazy=false, then hibernate will automatically loads the objects into the required sets e.g. <set name="Options" table="ATTRIBUTEOPTION" inverse="false" cascade="all" lazy="false"> <key> <column name="ATTRIBUTEID" /> </key> <one-to-many class="com.BiddingSystem.Models.AttributeOption" /> </set> but if in my xml mapping, I place lazy=true and in some place in my application i decide that i want to load all attribute options, should i do it manually, or is there a technique which lets tells hibernate that now i want to set lazy=false??

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• document.write Javascript error [ SOLVED]

  - by DevMobile

  Now I'm getting the following error: ';'expected document.write("<script type='text/javascript'>var twitterwind_option = {'isOnlyMe':true,'twitterwind_logo':'','twitterwind_logo_bgcolor':'FFFFFF','twitterwind_logo_color':'333303','followers_color':'000000','followers_bgcolor':'FFFFFF','twitterwind_max_length':'39','twitterwind_username':'table-row','twitterwind_username_color':'333333','twitterwind_username_bgcolor':'FFFFFF','twitterwind_twit':'block','twitterwind_twit_color':'333333','twitterwind_twit_bgcolor':'FFFFFF','twitterwind_twit_link_color':'0084B4','twitterwind_twit_scroll_color':'C0DEED','twitterwind_twit_scroll_bg_color':'FFFFFF','twitterwind_follower':'inherit','twitterwind_follower_bgcolor':'FFFFFF','twitterwind_frame_width':200,'twitterwind_frame_height':480,'twitterwind_frame_border':'false','twitterwind_frame_border_color':'C0DEED','twitterwind_base_font_size':12,'twitterwind_me_font_size':14,'twitterwind_caption_font_size':16,'twitterwind_scroll_height':336,'eusn':'rdK1y36H5sM='}';var twitterwind_url = 'http://www.tweetswind.com/en/twitterwind.php';<\/script><script type='text/javascript' src='http://www.tweetswind.com/en/js/twitterwind.js'><\/script><div style='font-size:12px; text-align:right; width:200px'><a target='_blank' href='http://www.tweetswind.com/en/en/'>TweetsWind: a Twitter widget</a></div>");src='http://www.tweetswind.com/en/js/twitterwind.js'></script><div style='font-size:12px; text-align:right; width:200px'><a target='_blank' href='http://www.tweetswind.com/en/en/'>TweetsWind: a Twitter widget</a></div>");

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• Checking if a boolean column is true in MySQL/Rails

  - by Pygmalion

  Rails and MySQL: I have a table with several boolean columns representing tags. I want to find all the rows for which a specific one of these columns is 'true' (or I guess in the case of MySQL, '1'). I have the following code in my view. @tag = params[:tag] @supplies = Supply.find(:all, :conditions=>["? IS NOT NULL and ? !=''", @tag, @tag], :order=>'name') The @tag is being passed in from the url. Why is it then that I am instead getting all of my @supplies (i.e. every row) rather than just those that are true for the column for @tag. Thanks!

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• JPA and aggregate functions. How do I use the result of the query?

  - by Bogdan

  Hey guys, I'm new to ORM stuff and I need some help understanding something. Let's assume I have the following standard SQL query: SELECT *, COUNT(test.testId) AS noTests FROM inspection LEFT JOIN test ON inspection.inspId = test.inspId GROUP BY inspection.inspId which I want to use in JPA. I have an Inspection entity with a one-to-many relationship to a Test entity. (an inspection has many tests) I tried writing this in JPQL: Query query = em.createQuery("SELECT insp, COUNT(???what???) FROM Inspection insp LEFT JOIN insp.testList " + "GROUP BY insp.inspId"); 1) How do I write the COUNT clause? I'd have to apply count to elements from the test table but testList is a collection, so I can't do smth like COUNT(insp.testList.testId) 2) Assuming 1 is resolved, what type of object will be returned. It will definitely not be an Inspection object... How do I use the result?

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• Get the count of A -> B and B->A without duplicates

  - by TomGasson

  I have a table like so: index|from | to ------------------ 1 | ABC | DEF 2 | ABC | GHI 3 | ABC | GHI 4 | ABC | JKL 5 | ABC | JKL 6 | ABC | JKL 7 | DEF | ABC 8 | DEF | GHI 9 | DEF | JKL 10 | GHI | ABC 11 | GHI | ABC 12 | GHI | ABC 13 | JKL | DEF And I need to count how the total times between the points (regardless of direction) to get the result: A | B | count ----------------- ABC | DEF | 2 ABC | GHI | 5 ABC | JKL | 3 DEF | GHI | 1 DEF | JKL | 2 So far I can get: SELECT `a`.`from` as `A`, `a`.`to` as `B`, (`a`.`count` + `b`.`count`) as `count` FROM (SELECT `from`, `to`, count(*) as `count` FROM `table` GROUP BY 1,2) `a` LEFT OUTER JOIN (SELECT `from`,`to`, count(*) as `count` FROM `table` GROUP BY 1,2) `b` ON `a`.`from` = `b`.`to` AND `a`.`to` = `b`.`from` But I'm unsure how to remove the A/B swapped duplicates.

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• UPDATE from SELECT complains about more that one value returned

  - by Álvaro G. Vicario

  I have this data structure: request ======= building_id lot_code building ======== building_id lot_id lot === lot_id lot_code The request table is missing the value for the building_id column and I want to fill it in from the other tables. So I've tried this: UPDATE request SET building_id = ( SELECT bu.building_id FROM building bu INNER JOIN lot lo ON bu.lot_id=lo.lot_id WHERE lo.lot_code = request.lot_code ); But I'm getting this error: Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , , = or when the subquery is used as an expression. Is it due to wrong syntax? The data model allows more than one building per lot but actual data doesn't contain such cases so there should be at most one building_id per lot_code.

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