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  • Using attr_accessible in a join model with has_many :through relationship

    - by Paulo Oliveira
    I have a USER that creates a COMPANY and become an EMPLOYEE in the process. The employees table has an :user_id and a :company_id. class User has_many :employees has_many :companies, :through => :employees class Employee belongs_to :user belongs_to :company attr_accessible :active class Company has_many :employees has_many :users, :through => employees Pretty basic. But here's the thing, the resource EMPLOYEE has other attributes than its foreign keys, like the boolean :active. I would like to use attr_accessible, but this causes some problems. The attribute :user_id is set right, but :company_id is nil. @user.companies << Company.new(...) Employee id:1 user_id:1 company_id:nil So my question is: if :user_id is set right, despite it is not an attr_accessible, why :company_id isn't set right just the same? It shouldn't be an attr_accessible. I'm using Rails 3.0.8, and have also tested with 3.0.7.

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  • XSLT, JSTL e JSF

    - by Paulo S.
    I have a xml file which I want to transform in a jsf code page. To do that I've created a xsl file. xml: <?xml version='1.0' encoding='ISO-8859-1'?> <questionario xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:noNamespaceSchemaLocation='Schema2.xsd'> <componente nome='input'> <id>input1</id> </componente> <componente nome='input'> <id>input2</id> </componente> </questionario> code: <%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/xml" prefix="x" %> <c:set var="xml" value="${questionarioXSLBean.xml}"/> <c:set var="xsl"> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" exclude-result-prefixes="f h"> <xsl:template match="/"> <xsl:for-each select="questionario/componente"> <xsl:if test="attribute::nome = 'input'"> <xsl:variable name="id"> <xsl:value-of select="id" /> </xsl:variable> <h:inputText id="{$id}"/> </xsl:if> </xsl:for-each> </xsl:template> </xsl:stylesheet> </c:set> <x:transform xml="${xml}" xslt="${xsl}" /> The problem is that nothing is shown in my screen because the generated code for <h:inputText id="input1"/> is <h:inputText id="input_1" xmlns:h="http://java.sun.com/jsf/html"/> how can I replace the xmlns:h="http://java.sun.com/jsf/html" or suppress it. Thanks! Update: Let me clarify what I want to do. I want to generate a jsf page dynamically depending on the attributes of a xml file, for instance, 2 input texts, 3 check boxes, etc. To make the transformation to jsf I thought in two approaches, one using jstl and another using xslt. The problem with the former is that I couldn't integrate jstl with jsf code (to set jsf components attributes using jstl variables) and with the last approach, I'm facing the problem described above.I wouldn't like to create components in java (UIComponents). Any suggestions?

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  • Does anyone have documentation on SHGetSysColor?

    - by Paulo Santos
    I'm trying to find any reference for this function, but I haven't found anything. All I have is an obscure KB from Microsoft referencing that a programmer made boo-boo when coding a part of the Windows Mobile 6 where he should call SHGetSysColor but instead he called GetSysColor that gives a complete different color, for the same spec. From what I could gather the GetSysColor read a color value in the registry from HKEY_LOCAL_MACHINE\Software\Microsoft\Color\SHColor or HKEY_LOCAL_MACHINE\Software\Microsoft\Color\DefSHColor and returns the color according to the index. In that registry I have the following value for a standard Win Mobile 6.5 "DefSHColor"=hex:\ ff,00,00,00,00,00,00,00,dd,dd,dd,00,ff,ff,cc,00,ff,ff,ff,00,15,af,bc,00,15,\ af,bc,00,c9,e7,e9,00,14,9c,a7,00,ff,ff,ff,00,14,9c,a7,00,14,9c,a7,00,14,9c,\ a7,00,15,af,bc,00,14,9c,a7,00,ff,ff,ff,00,c9,e7,e9,00,37,c7,d3,00,37,c7,d3,\ 00,ff,ff,ff,00,00,b7,c9,00,14,9c,a7,00,ff,ff,ff,00,15,af,bc,00,84,84,c3,00,\ 15,af,bc,00,14,9c,a7,00,ff,ff,ff,00,ff,ff,ff,00,00,00,00,00,ff,ff,ff,00,00,\ 00,00,00,ff,ff,ff,00,2e,44,4f,00,00,14,3c,00,00,f0,ff,00,ff,ff,ff,00,c9,e7,\ e9,00,14,9c,a7,00,ff,ff,ff,00,14,9c,a7,00 And I realized that each four bytes represents a different color (RR,GG,BB,AA -- The AA I'm assuming here, as every color there has the AA byte as 00 which would mean that it's a solid color). What I can't get a fix on is what each index mean, as I have 41 different colors in there. Googling for SHGetSysColor in gives me only 7 matches, two of them are the KB from Microsoft (one in English, the other in French) one is from a Russian site (which I don't read), yet another two are from the freepascal.org and one from Koders.com that is describing the commctl.def file. I went to the commctl.h trying to see if I could find reference tom this function, and found absolutely nothing. No search on MSDN, either fro Google, Bing, or the default MSDN search gave me any result. So, does anyone know what indexes are we talking about here?

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  • Selecting a specific div from a extern webpage using CURL

    - by Paulo
    Hi can anyone help me how to select a specific div from the content of a webpage. Say i want to get the div with id="body" from webpage http://www.test.com/page3.php My current code looks something like this: (not working) //REG EXP. $s_searchFor = '@^/.dont know what to put here..@ui'; //CURL $ch = curl_init(); $timeout = 5; // set to zero for no timeout curl_setopt ($ch, CURLOPT_URL, 'http://www.test.com/page3.php'); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); if(!preg_match($s_searchFor, $ch)) { $file_contents = curl_exec($ch); } curl_close($ch); // display file echo $file_contents; So i'd like to know how i can use reg expressions to find a specific div and how to unset the rest of the webpage so that $file_content only contains the div.

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  • How can I make properties files mandatory in Spring?

    - by Paulo Guedes
    I have an ApplicationContext.xml file with the following node: <context:property-placeholder location="classpath:hibernate.properties, classpath:pathConfiguration.properties" /> It specifies that both properties files will be used by my application. But if one of these files does not exist, no error ir thrown. How can I throw an exception for any of these files? They should me mandatory.

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  • iPhone Application Deploy without using iTunes

    - by Paulo Correia
    I want to build an application for the iPhone to be used inside a customer enterprise (very small, only 5 to 10 devices). But since they will be paying the application development, I don't want to distribute that application to the world inside the App Store in iTunes. How can I distribute this app to my customer? Should I get the Enterprise level subscription from the Apple Developer Program? Since I work as a freelancer, I think I can't subscribe to that program.

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  • Large tables of static data with DBGhost

    - by Paulo Manuel Santos
    We are thinking of restructuring our database development and deployment processes by using DBGhost, we want to move away from the central development database and bring the database to the source control. One of the problems we have is a big table with static data (containing translated language strings), it has close to 200K rows. I know that our best solution is to move these stings into resource files, but until we implement that, will DbGhost be able to maintain all this static data and generate our development and deployment databases in a short time? And if not is there a good alternative to filling up this table whenever we need to?

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  • Would you use Code Bubbles?

    - by Paulo Santos
    I've read this question mentioning Code Bubbles and I've watched their video presentation. The video is impressive, and does seem a little bit futuristic, but apparently it's somewhat real. But that kept me thinking... Would a developer really use such tool? We, as developers, are used to deal with code files, organizing them in directories, in one way or another, some common IDE (for those language that has them). It would be a great leap to use something like Code Bubbles, as they propose. I, personally, am not sure if I could work in such environment... although I think I would just need some adjusting... but I really don't see my mind working out the kinks of it. What are your thoughts on this?

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  • Problem in using a second call to send() in C

    - by Paulo Victor
    Hello. Right now I'm working in a simple Server that receives from client a code referring to a certain operation. The server receives this data and send back the signal that it's waiting for the proper data. /*Server Side*/ if (codigoOperacao == 0) { printf("A escolha foi 0\n"); int bytesSent = SOCKET_ERROR; char sendBuff[1080] = "0"; /*Here "send" returns an error msgm while trying to send back the signal*/ bytesSent = send(socketEscuta, sendBuff, 1080, 0); if (bytesSent == SOCKET_ERROR) { printf("Erro ao enviar"); return 0; } else { printf("Bytes enviados : %d\n", bytesSent); char structDesmontada[1080] = ""; bytesRecv = recebeMensagem(socketEscuta, structDesmontada); printf("structDesmontada : %s", structDesmontada); } } Following here is the client code responsible for sending the operation code and receiving the signal char sendMsg[1080] = "0"; char recvMsg[1080] = ""; bytesSent = send(socketCliente, sendMsg, sizeof(sendMsg), 0); printf("Enviei o codigo (%d)\n", bytesSent); /*Here the program blocks in a infinite loop since the server never send anything*/ while (bytesRecv == SOCKET_ERROR) { bytesRecv = recv(socketCliente, recvMsg, 1080, 0); if (bytesRecv > 0) { printf("Recebeu\n"); } Why this is happening only in the second attempt to send some data? Because the first call to send() works fine. Hope someone can help!! Thnks

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  • XCode with boost "Sematic Issue - undeclared identifier va_start"

    - by Paulo Henrique
    C++locale.h ->Semantic Issue -->Use of undeclared identifier 'va_start' ->Semantic Issue -->Use of undeclared identifier 'va_end' First time using boost, downloaded it using ports and created a command line project in XCode. Header Search Path: /usr/include/** There is nothing in the code yet, just the main function that comes with the default proj. Just don't know what to do, never expected this to happen.

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  • PHP: visual difference between 2 arrays

    - by Paulo Freitas
    I've these arrays: <?php // New $array1 = array( array( 'g_id' => '1', 'g_title' => 'Root Admin', 'g_perm_id' => '1', 'g_bitoptions' => '0' ), array( 'g_id' => '2', 'g_title' => 'Member', 'g_perm_id' => '2', 'g_bitoptions' => '32' ), array( 'g_id' => '3', 'g_title' => 'Banned', 'g_perm_id' => '3', 'g_bitoptions' => '0' ) ); // Old $array2 = array( array( 'g_id' => '1', 'g_title' => 'Admin', 'g_perm_id' => '1', 'g_bitoptions' => '0' ), array( 'g_id' => '2', 'g_title' => 'User', 'g_perm_id' => '2', 'g_bitoptions' => '0' ), array( 'g_id' => '4', 'g_title' => 'Validating', 'g_perm_id' => '4', 'g_bitoptions' => '0' ) ); What I'm want is an HTML visual difference between them, like this picture: http://img519.imageshack.us/i/diffe.png/ Anyone here knows any 3rd party class that do this? I've been looking at some but none of them had it. =/ Thank you in advance.

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  • Doctrine Update by DQL + field with parenthesis: "(" and ")"

    - by Paulo
    Hello! I have a doctrine update query to save my data: $customer = Doctrine_Query::create() -update('Customer') -set('fax',"'". $this-getRequest()-getParam('fax')."'") -where('id ='.$this-getRequest()-getParam('id')) -execute(); The problem is that the field fax has parenthesis and doctrine returns an error in the query because of these parenthesis "(" and ")". Somebody knows a solution for this? Thank's

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  • How can I make properties in properties files mandatory in Spring?

    - by Paulo Guedes
    I have an ApplicationContext.xml file with the following node: <context:property-placeholder location="classpath:hibernate.properties, classpath:pathConfiguration.properties" /> It specifies that both properties files will be used by my application. Inside pathConfiguration.properties, some paths are defined, such as: PATH_ERROR=/xxx/yyy/error PATH_SUCCESS=/xxx/yyy/success A PathConfiguration bean has setters for each path. The problem is: when some of those mandatory paths are not defined, no error is thrown. How and where should I handle this problem?

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  • php + upload.class + not overwriting the image

    - by Paulo
    Hi, i am trying to upload a file with upload.class and i need to overwrite the file when the user upload a new one. But instead of overwriting, he is putting photo_01, photo_02, etc... The code: $foto = new Upload($_FILES['photo']); $fotot = new Upload($_FILES['photo']); $fotot->image_resize = true; $fotot->image_y = 110; $fotot->image_x = 110; $foto->file_new_name_body = "photo"; $fotot->file_new_name_body = "photo"; $foto->file_ovewrite = true; $fotot->file_ovewrite = true; $fotot->Process("{$dir_fotos}thumbs/"); $foto->Process("{$dir_fotos}"); Somebody has already passed by this or has a solution??? notice that i'm using file_ovewrite = true; thanks

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  • How can the generic method called know the type of the generic return?

    - by Paulo Guedes
    I couldn't find a duplicate for this question for Java, although there are a lot of them for C#. I have this method: public <T> T getSomething() { // } According to the type of T, I will have a different return. For example: String a = getSomething(); int b = getSomething(); For a, my method will return a specific String. For b, it will return a specific int. And so on. It seems that this can be done with typeof() in C#. How can I achieve it in Java?

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  • Problem validating an XSD file: The content type of a derived type and that of its base must both be mixed or both be element-only

    - by Paulo Tavares
    Hi, I have following XML schema: <?xml version="1.0" encoding="UTF-8"?> <schema xmlns:netconf="urn:ietf:params:xml:ns:netconf:base:1.0" targetNamespace="urn:ietf:params:xml:ns:netconf:base:1.0" ... <complexType name="dataInlineType"> <xs:complexContent> <xs:extension base="xs:anyType"/> </xs:complexContent> </complexType> <complexType name="get-config_output_type__" > <complexContent> <extension base="netconf:dataInlineType"> <sequence> <element name="data"> <complexType> <sequence> <element name="__.get-config.output.data.A__" minOccurs="0" maxOccurs="unbounded" /> </sequence> </complexType> </element> <element name="__.get-config.A__" minOccurs="0" maxOccurs="unbounded"/> </sequence> </extension> </complexContent> And I getting the folling error: cos-ct-extends.1.4.3.2.2.1.a: The content type of a derived type and that of its base must both be mixed or both be element-only. Type 'get-config_output_type__' is element only, but its base type is not. If I put both elements mixed="true" I get another error: cos-nonambig: WC[##any] and "urn:ietf:params:xml:ns:netconf:base:1.0":data (or elements from their substitution group) violate "Unique Particle Attribution". During validation against this schema, ambiguity would be created for those two particles. I using the Eclipse to validate my schema, so what can I do?

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  • How to update the following rows after the sum of the previous rows reach a threshold? MySQL

    - by Paulo Faria
    I want to update the following rows after the sum of the previous rows reach a defined threshold. I'm using MySQL, and trying to think of a way to solve this using SQL only. Here's an example. Having the threshold 100. Iterating through the rows, when the sum of the previous rows amount = 100, set the following rows to checked. Before the operation: | id | amount | checked | | 1 | 50 | false | | 2 | 50 | false | | 3 | 20 | false | | 4 | 30 | false | After the operation: | id | amount | checked | | 1 | 50 | false | | 2 | 50 | false | <- threshold reached (50 + 50 = 100) | 3 | 20 | true* | | 4 | 30 | true* | Is it possible to do it with just a SQL query? Do I need a stored procedure? How could I implement it using either solution?

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  • form validation without reset

    - by Paulo Bueno
    Hi guys Is there a way to check the data sent by a form to a PHP page return to the form page WITHOUT resetting the data sent and show a error? The form has 20 fields and I need to check one of them on a bd. If it fails the user may be redirected to the form page with the form populated and displaying a error message on the field which is 'wrong'. I would like any advice of a technique instead of populating each field using PHP.

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  • JavaOne in Brazil

    - by janice.heiss(at)oracle.com
    JavaOne in Brazil, currently taking place in Sao Paolo, is one event I'd love to attend. I once heard "father of Java" James Gosling talk about Java developers throughout the world. He observed that there were good developers everywhere. It was not the case, he said, that that the really good developers are in one place and the not-so-good developers are in another. He encountered excellent developers everywhere. Then he paused and said that the craziest developers were definitely the Brazilians. As anyone who knows James would realize, this was meant as high praise. He said the Brazilians would work through the night on projects and were very enthusiastic and spontaneous - features that Brazilian culture is known for. Brazilian developers are responsible for creating one of the most impressive uses of Java ever - the applications that run the Brazilian health services. Starting from scratch they created a system that enables an expert doctor in Rio to look at an X-Ray of a patient near the Amazon and offer advice. One of the main architects of this was Java Champion Fabinane Nardon the distinguished Brazilian Java architect and open-source evangelist. As she writes in her blog:"In 2003, I was invited to assemble a team and architect a Public Healthcare Information System for the city of São Paulo, the largest in Latin America, with 14 million inhabitants. The resulting software had 2.5 million of lines of code and it was created, from specification to production, in only 10 months. At the time, the software was considered the largest J2EE application in the world and was featured in several articles, as this one. As a result, we won the Duke's Choice Award in 2005 during JavaOne, the largest development conference in the world. At the time, Sun Microsystems make a short documentary about our work." "In 2007, a lightning struck twice and I was again invited to assemble a new team and architect an even larger information system for healthcare. And thus I became CTO and one of the founders of Zilics Healthcare Information Systems. "In 2010, I started to research and work on Cloud Computing technology and became leader of the LSI-TEC Cloud Computing group. LSI-TEC is a research laboratory in the University of Sao Paulo, one of the best in Brazil. Thus, I became one of the ghost writers behind the popular Cloud Computing Twitter @the_cloud."You can see and hear Nardon in a 4 minute documentary on Java and the Brazilian health care system produced by Sun Microsystems. And you can listen to a September 2010 podcast with Nardon and her fellow Brazilian Java Champion Bruno Souza (known in Brazil as "Java Man") here at 11:10 minutes into the podcast.Next year, I'll hope to be reporting in Brazil at JavaOne!

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  • Java Spotlight Episode 58: Peter Korn and Ofir Leitner on ME Accessibility

    - by Roger Brinkley
    Tweet Interview with Peter Korn and Ofir Leitner on Mobile and Embedded Accessibility. Joining us this week on the Java All Star Developer Panel are Dalibor Topic, Java Free and Open Source Software Ambassador and Alexis Moussine-Pouchkine, Java EE Developer Advocate. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link: Java Spotlight Podcast in iTunes. Show Notes News Announcing Oracle WebLogic 12c Geronimo 3 beta - Another Apache project now compatible with Java EE 6 NetBeans 7.1 RC1 is out JavaFX links of the weeks JavaFX videos on Parleys: Nicolas Lorain's Introduction to JavaFX 2.0 from JavaOne 2011 & Richard Bair on JavaFX Architecture and Programming Model Events Dec 4, SOUJava Geek Bike Ride 2011, Sao Paulo  Dec 5-7, UKOUG, Birmingham, UK Dec 6-8, Java One Brazil, Sao Paulo Dec 9 UAIJUG, Uberlandia Dec 9 CEJUG, Fortaleza/CE Dec 10 GUJAVA, Florianopolis Dec 10 ALJUG, Maceio/AL Dec 11 Javaneiros, Campo Grande/MS Dec 12 GOJAVA, Goiania/GO Dec 13 RioJUG, Rio de Janeiro Feature interview Peter Korn is Oracle's Accessibility Principal – their senior individual contributor on accessibility. He is also Technical Manager of the AEGIS project, leading an EC-funded €12.6m investment building accessibility into future mainstream ICT (FP7-ICT224348). Mr. Korn co-developed and co-implemented the Java Accessibility API, and developed the Java Access Bridge for Windows. He helped design the open source GNOME Accessibility architecture found on most modern UNIX and GNU/Linux systems, and consulted on accessibility support for OpenOffice.org, Firefox, Thunderbird, and other applications. Prior to Sun/Oracle, Peter co-developed the outSPOKEN for Windows screen reader. Mr. Korn represented Sun/Oracle on TEITAC for the Section 508/255 refresh, co-led the OASIS ODF Accessibility subcommittee, and sits on INCITS V2 where he is contributing to ISO 13066: defining AT-IT interoperability standards including specifically the Java Accessibility API. Ofir Leitner is the architect of one of LWUIT's key features - the HTMLComponent which allows rendering HTML within LWUIT applications and to embed web-flows inside apps. Ofir is also responsible for LWUIT's bidirectional and RTL support and for the accessibility work that is being done these days in LWUIT. Mail Bag What's Cool Devoxx 2011 (Alexis) Eclipsecon Europe Talk by Andrew Overholt: IcedTea & IcedTea-Web Geek bike ride & Rio 500 Twitter followers @JavaSpotlight Show Transcripts Transcript for this show is available here when available.

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  • #PowerPivot Workshop Online for America’s Time Zones #ppws

    - by Marco Russo (SQLBI)
    After so many request we have finally arranged a PowerPivot Workshop online edition dedicated to America’s time zones! It is scheduled for December 19-20, 2012, with this schedule: US Eastern Time (EST): 10:00am-1:00pm / 2:00pm-5:00pm US Central Time (CST): 9:00am-12:00pm / 1:00pm-4:00pm US Pacific Time (PST): 7:00am-10:00am / 11:00am-1:00pm Bogotá (Colombia): 10:00am-1:00pm / 2:00pm-5:00pm São Paulo (Brazil): 1:00pm-4:00pm / 5:00pm-8:00pm Buenos Aires (Argentina): 12:00pm-3:00pm / 4:00pm-7:00pm...(read more)

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