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  • Complicted ActiveRecord Association. Going through a 4th table

    - by Dex
    I have kind of a complicated case and am wondering how this would work in rails: I want to categories the genres of some singers. Singers can belong to more than one genres, and users can assign tags to each genre For example: singers <-- singers_genres -- genres <-- genres_tags -- tags SQL would look something like: SELECT * FROM singers S INNER JOIN singers_genres SG ON S.id=SG.singer_id INNER JOIN genres G ON G.id = SG.genre_id LEFT OUTER JOIN genre_tags GT ON G.id = GT.genre_id INNER JOIN tags T ON GT.tag_id = T.id

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  • How do I search for a phrase using search logic?

    - by fivetwentysix
    Imagine case scenario, you have a list of recipes that have ingredients as a text. You want to see how many recipes contain "sesame oil". The problem with default searchlogic searching using Recipe.ingredients_like("sesame oil") is that any recipe with sesame OR oil would come up, when I'm searching for sesame+oil.

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  • mysql UNION query not working

    - by kalpaitch
    What am I doing wrong with this: $sql = "SELECT * FROM content WHERE threadName LIKE '%$filter%' ORDER BY lastUpdated desc UNION SELECT * FROM content WHERE threadName NOT LIKE '%$filter%' ORDER BY lastUpdated desc"; The first statement before the UNION works well on its own, but this one above returns: mysql_fetch_array() warning - supplied argument is not a valid MySQL result resource Am I right in believing that UNION will not return duplicate entries, in which case the second SELECT statement doesn't need to have the NOT LIKE but will just return everything that wasn't listed in the first statement.

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  • Using NHibernate to insert/update using a SQL server-side DEFAULT value

    - by Joseph Daigle
    Several of our database tables contain LastModifiedDate columns. We would like these to stay synchronized based on a single time-source. Our best time-source, in this case, is the SQL Server itself since there is only one database server but multiple application servers which could potentially be off sync. I would like to be able to use NHibernate, but have it use either GETUTCDATE() or DEFAULT for the column value when updating or inserting rows on these tables. Thoughts?

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  • Modifying .rdata unicode strings from windows PE files

    - by sdaa
    I have been looking for a way of modifying static strings stored in Windows .exe files in the .rdata section, however I haven't found a real way to do so yet. The whole thing is too complicated to do by hand (in this case by a HEX editor) and so I wanted to know if you have a solution to do so.

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  • How to store date into Mysql database with play framework in scala?

    - by Rahul Kulhari
    I am working with play framework with scala and what am i doing : login page to login into web app sign up page to register into web app after login i want to store all databases values to user what i want to do: when user register for web app then i want to store user values into database with current time and date but my form is giving error. error: List(FormError(dates,error.required,List())),None) controllers/Application.scala object Application extends Controller { val ta:Form[Keyword] = Form( mapping( "id" -> ignored(NotAssigned:Pk[Long]), "word" -> nonEmptyText, "blog" -> nonEmptyText, "cat" -> nonEmptyText, "score"-> of[Long], "summaryId"-> nonEmptyText, "dates" -> date("yyyy-MM-dd HH:mm:ss") )(Keyword.apply)(Keyword.unapply) ) def index = Action { Ok(html.index(ta)); } def newTask= Action { implicit request => ta.bindFromRequest.fold( errors => {println(errors) BadRequest(html.index(errors))}, keywo => { Keyword.create(keywo) Ok(views.html.data(Keyword.all())) } ) } models/keyword.scala case class Keyword(id: Pk[Long],word: String,blog: String,cat: String,score: Long, summaryId: String,dates: Date ) object Keyword { val keyw = { get[Pk[Long]]("keyword.id") ~ get[String]("keyword.word")~ get[String]("keyword.blog")~ get[String]("keyword.cat")~ get[Long]("keyword.score") ~ get[String]("keyword.summaryId")~ get[Date]("keyword.dates") map { case id~blog~cat~word~score~summaryId~dates => Keyword(id,word,blog,cat,score, summaryId,dates) } } def all(): List[Keyword] = DB.withConnection { implicit c => SQL("select * from keyword").as(Keyword.keyw *) } def create(key: Keyword){DB.withConnection{implicit c=> SQL("insert into keyword values({word},{blog}, {cat}, {score},{summaryId},{dates})").on('word-> key.word,'blog->key.blog, 'cat -> key.cat, 'score-> key.score, 'summaryId -> key.summaryId, 'dates->new Date()).executeUpdate } } views/index.scala.html @(taskForm: Form[Keyword]) @import helper._ @main("Todo list") { @form(routes.Application.newTask) { @inputText(taskForm("word")) @inputText(taskForm("blog")) @inputText(taskForm("cat")) @inputText(taskForm("score")) @inputText(taskForm("summaryId")) <input type="submit"> <a href="">Go Back</a> } } please give me some idea to store date into mysql databse and date is not a field of form

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  • Validate DataGridColumn cell's individually

    - by Joshua Fox
    How can I validate the cells in a DataGridColumn individually? The validation is configured per-row. For example FIELD VALUE TYPE age 13 Integer height 13x3 Integer registered true Boolean temperature 98.G6 Float In this case, of course 13x3 and 98.G6 would be invalid. Writing a Validator is no problem, and I can grab the TYPE from the data provider object, but now do I get individual access to the GUI cells so I can give the Validator a source which is an individual cell, set the errorString on an individual cell.

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  • Is it a good idea to mock/stub in integration tests?

    - by ez
    Say there are multiple requests in a integration test, some of them are sphinx calls(locator for example). Should we just stub out the entire response of these sphinx call, or, since it is a integration test, we want to excise the entire test without stubbing. If that is the case, how do we still keep test independent in the situation when sphinx fails, no internet connection, or third party server non-responsive. Give reasons. Thanks

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  • Ambiguos class name

    - by Pedro Dias
    Hello If have a new project (ProjNew ) where i want to put several classes, that are on other project (ProjOld). The problem is i want to maintain the old classes marked with Obsolete to avoid running all my projects and check if they using it. But in that way this may throw a ambiguos class name error because i didn't explicity call by namespace.. There is an way to say in the obsolete what assymbly to use in ambiguity case=

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  • Java "compare cannot be resolved to a type" error

    - by King Triumph
    I'm getting a strange error when attempting to use a comparator with a binary search on an array. The error states that "compareArtist cannot be resolved to a type" and is thrown by Eclipse on this code: Comparator<Song> compare = new Song.compareArtist(); I've done some searching and found references to a possible bug with Eclipse, although I have tried the code on a different computer and the error persists. I've also found similar issues regarding the capitalization of the compare method, in this case compareArtist. I've seen examples where the first word in the method name is capitalized, although it was my understanding that method names are traditionally started with a lower case letter. I have experimented with changing the capitalization but nothing has changed. I have also found references to this error if the class doesn't import the correct package. I have imported java.util in both classes in question, which to my knowledge allows the use of the Comparator. I've experimented with writing the compareArtist method within the class that has the binary search call as well as in the "Song" class, which according to my homework assignment is where it should be. I've changed the constructor accordingly and the issue persists. Lastly, I've attempted to override the Comparator compare method by implementing Comparator in the Song class and creating my own method called "compare". This returns the same error. I've only moved to calling the comparator method something different than "compare" after finding several examples that do the same. Here is the relevant code for the class that calls the binary search that uses the comparator. This code also has a local version of the compareArtist method. While it is not being called currently, the code for this method is the same as the in the class Song, where I am trying to call it from. Thanks for any advice and insight. import java.io.*; import java.util.*; public class SearchByArtistPrefix { private Song[] songs; // keep a direct reference to the song array private Song[] searchResults; // holds the results of the search private ArrayList<Song> searchList = new ArrayList<Song>(); // hold results of search while being populated. Converted to searchResults array. public SearchByArtistPrefix(SongCollection sc) { songs = sc.getAllSongs(); } public int compareArtist (Song firstSong, Song secondSong) { return firstSong.getArtist().compareTo(secondSong.getArtist()); } public Song[] search(String artistPrefix) { String artistInput = artistPrefix; int searchLength = artistInput.length(); Song searchSong = new Song(artistInput, "", ""); Comparator<Song> compare = new Song.compareArtist(); int search = Arrays.binarySearch(songs, searchSong, compare);

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  • Copy call signature to decorator

    - by Morgoth
    If I do the following def mydecorator(f): def wrapper(*args, **kwargs): f(*args, **kwargs) wrapper.__doc__ = f.__doc__ wrapper.__name__ = f.__name__ return wrapper @mydecorator def myfunction(a,b,c): '''My docstring''' pass And then type help myfunction, I get: Help on function myfunction in module __main__: myfunction(*args, **kwargs) My docstring So the name and docstring are correctly copied over. Is there a way to also copy over the actual call signature, in this case (a, b, c)?

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  • Prevent SQL Injection in Dynamic column names

    - by Mr Shoubs
    I can't get away without writing some dynamic sql conditions in a part of my system (using Postgres). My question is how best to avoid SQL Injection with the method I am currently using. EDIT (Reasoning): There are many of columns in a number of tables (a number which grows (only) and is maintained elsewhere). I need a method of allowing the user to decide which (predefined) column they want to query (and if necessary apply string functions to). The query itself is far too complex for the user to write themselves, nor do they have access to the db. There are 1000's of users with varying requirements and I need to remain as flexible as possible - I shouldn't have to revisit the code unless the main query needs to change - Also, there is no way of knowing what conditions the user will need to use. I have objects (received via web service) that generates a condition (the generation method is below - it isn't perfect yet) for some large sql queries. The _FieldName is user editable (parameter name was, but it didn't need to be) and I am worried it could be an attack vector. I put double quotes (see quoted identifier) around the field name in an attempt to sanitize the string, this way it can never be a key word. I could also look up the field name against a list of fields, but it would be difficult to maintain on a timely basis. Unfortunately the user must enter the condition criteria, I am sure there must be more I can add to the sanatize method? and does quoting the column name make it safe? (my limited testing seems to think so). an example built condition would be "AND upper(brandloaded.make) like 'O%' and upper(brandloaded.make) not like 'OTHERBRAND'" ... Any help or suggestions are appreciated. Public Function GetCondition() As String Dim sb As New Text.StringBuilder 'put quote around the table name in an attempt to prevent some sql injection 'http://www.postgresql.org/docs/8.2/static/sql-syntax-lexical.html sb.AppendFormat(" {0} ""{1}"" ", _LogicOperator.ToString, _FieldName) Select Case _ConditionOperator Case ConditionOperatorOptions.Equals sb.Append(" = ") ... End Select sb.AppendFormat(" {0} ", Me.UniqueParameterName) 'for parameter Return Me.Sanitize(sb) End Function Private Function Sanitize(ByVal sb As Text.StringBuilder) As String 'compare against a similar blacklist mentioned here: http://forums.asp.net/t/1254125.aspx sb.Replace(";", "") sb.Replace("'", "") sb.Replace("\", "") sb.Replace(Chr(8), "") Return sb.ToString End Function Public ReadOnly Property UniqueParameterName() As String Get Return String.Concat(":" _UniqueIdentifier) End Get End Property

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  • iPhone SDK reload UIView's content

    - by Matt S.
    I have two views, one view takes the whole screen, the second view covers only a little portion. What I want is for that second view to be on the first view (which I already have done), but the problem is, when I set values (in this case UILabel's) the label on the screen doesn't display that new value. I know for a fact the method gets called, but for some reason it won't change the label's value.

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  • pivots using pyExcelerator/xlrd

    - by Raj N
    How can I go about creating a sheet with a pivot table using python libs like pyExcelerator / xlrd? I need to generate a daily report that has a pivot table to summarize data on other sheets. One option would be to have a blank template that I copy and populate with the data. In this case, is there a way to refresh the pivot from code? Any other suggestions?

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  • Drupal form with custom ID

    - by Andrew
    Correct me if I'm wrong, after reading drupal fapi related articles, I got the impression that fapi generates 'id' attributes by itself. It allows developers to assign 'name' attribute only. If that's the case, is there a way I can set desire 'id' value for elements? Because, I want my elements to have meaningful 'id' so that html/jquery code would be easier to read as well as save my time from going through already written jquery code to change those all 'id's that I've used inside. P.S:drupal version - 6.x

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  • PHP max_execution_time not timing out

    - by Joey Ezekiel
    This is not one of the regular questions if sleep is counted for timeout or stuff like that. Ok, here's the problem: I've set the max_execution_time for PHP as 15 seconds and ideally this should time out when it crosses the set limit, but it doesn't. Apache has been restarted after the change to the php.ini file and an ini_get('max_execution_time') is all fine. Sometimes the script runs for upto 200 seconds which is crazy. I have no database communication whatsoever. All the script does is looking for files on the unix filesystem and in some cases re-directing to another JSP page. There is no sleep() on the script. I calculate the total execution time of the PHP script like this: At the start of the script I set : $_mtime = microtime(); $_mtime = explode(" ",$_mtime); $_mtime = $_mtime[1] + $_mtime[0]; $_gStartTime = $_mtime; and the end time($_gEndTime) is calculated similarly. The total time is calculated in a shutdown function that I've registered: register_shutdown_function('shutdown'); ............. function shutdown() { .............. .............. $_total_time = $_gEndTime - $_gStartTime; .............. switch (connection_status ()) { case CONNECTION_NORMAL: .... break; .... case CONNECTION_TIMEOUT: .... break; ...... } } Note: I cannot use $_SERVER['REQUEST_TIME'] because my PHP version is incompatible. That sucks - I know. 1) Well, my first question obviously is is why is my PHP script executing even after the set timeout limit? 2) Apache has the Timeout directive which is 300 seconds but the PHP binary does not read the Apache config and this should not be a problem. 3) Is there a possibility that something is sending PHP into a sleep mode? 4) Am I calculating the execution time in a wrong way? Is there a better way to do this? I'm stumped at this point. PHP Wizards - please help.

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