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  • C programming XML

    - by Pedro
    Hello, Do you imagine that I have the following txt: /* Licenciaturas na ESTG-IPVC 2009 – v1.1*/ - Info, 3 dados, ;; - disciplinas, ;;[;] LEI;7671;Maria Albertina da silva;[email protected]; 9;8;12;9;12;11;6;15;7;11; LTCGM;6567;Artur Pereira Ribeiro;[email protected]; 6;13;14;12;11;16;14; LEI;7701;Ana Maria Carvalho;[email protected]; 8;13;11;7;14;12;11;16;14; How can I make a C program that convert txt to XML. thanks

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  • Ubuntu bash command

    - by pedro
    Hello i want to show the number of lines, words and characters of all configuration files "/ Etc / * conf" (command "wc"). How can i modify the command to not view the messages error.

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  • Drawable advantage over bitmap for memory in android

    - by Tabish
    This question is linked with the answers in the following question: Error removing Bitmaps[Android] Is there any advantage of using Drawable over Bitmap in Android in terms of memory de-allocation ? I was looking at Romain Guy project Shelves and he uses SoftReference for images caches but I'm unable to search where is the code which is de-allocating these Drawables when SoftReference automatically reclaims the memory for Bitmap. As far as I know .recycle() has to be explicitly called on the Bitmap for it to be de-allocated.

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  • How do I convert text to XML in C?

    - by pedro
    How can I make a program that opens a text file, and converts it into a XML file? The XML might look like: <curso> <sigla>LTCGM</sigla> <NAlunos>1</NAlunos> <lista_alunos> <aluno> <numero>6567</numero> <nome>Artur Pereira Ribeiro</nome> <email>[email protected]</email> <estado>Aprovado</estado> <media_notas>13</media_notas> <maior_nota>16</maior_nota> <menor_nota>11</menor_nota> </aluno> </lista_alunos> </curso>

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  • where can I download the assembly MPF.Project.NonShipping.dll?

    - by pedro
    I want to use HierarchyNode class which is in the Microsoft.VisualStudio.Package namespace and the assembly is MPF.Project.NonShipping.dll. There was no assembly on the .net reference or on the COM. I searched for the file, but it was not on the machine. I also tried to google the dll if we could download it, but there was no link, whatsoever about the download. I am using VS 2008 sp1 by the way. Thanks in advance.

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  • PDO fails to prepare a statement with over 13 placeholders

    - by Javier Parra
    Hello, this is the code I'm using: self::$DB->prepare($query, $types); when the $query and types are: //$query UPDATE Permisos SET empleado_id = ?, agregar_mensaje = ?, borrar_mensaje = ?, agregar_noticia = ?, borrar_noticia = ?, agregar_documento = ?, borrar_documento = ?, agregar_usuario = ?, borrar_usuario = ?, agregar_empresa = ?, borrar_empresa = ?, agregar_tarea = ? WHERE id = ? //$types Array( [0] => integer [1] => boolean [2] => boolean [3] => boolean [4] => boolean [5] => boolean [6] => boolean [7] => boolean [8] => boolean [9] => boolean [10] => boolean [11] => boolean [12] => integer ) Everything works great, but when they are: //$query UPDATE Permisos SET empleado_id = ?, agregar_mensaje = ?, borrar_mensaje = ?, agregar_noticia = ?, borrar_noticia = ?, agregar_documento = ?, borrar_documento = ?, agregar_usuario = ?, borrar_usuario = ?, agregar_empresa = ?, borrar_empresa = ?, agregar_tarea = ?, borrar_tarea = ? WHERE id = ? //$types Array( [0] => integer [1] => boolean [2] => boolean [3] => boolean [4] => boolean [5] => boolean [6] => boolean [7] => boolean [8] => boolean [9] => boolean [10] => boolean [11] => boolean [12] => boolean [13] => integer ) It fails with the following message: <b>Warning</b>: PDO::prepare() [<a href='pdo.prepare'>pdo.prepare</a>]: SQLSTATE[HY000]: General error: PDO::ATTR_STATEMENT_CLASS requires format array(classname, array(ctor_args)); the classname must be a string specifying an existing class in <b>C:\wamp\www\intratin\JP\includes\empleado\mapper\Permiso.php</b> on line <b>137</b><br /> Doesn't matter which field I add or remove, it fails every time with more than 13 placeholders.

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  • ResourceManager and not supported platform

    - by wince
    I use ResourceManager for UI localization of my WinCE 5 software. I have some resource files with text strings on different languages Resourse.resx Resourse.de-DE.resx Resourse.ru-RU.resx When I want to display UI in English I call: Resourse.Culture = new CultureInfo("en-US"); label1.Text = Resourse.LabelText; in German: Resourse.Culture = new CultureInfo("de-DE"); label1.Text = Resourse.LabelText; in Russian: Resourse.Culture = new CultureInfo("ru-RU"); label1.Text = Resourse.LabelText; but here I get PlatformNotSupportedException. I know that my WinCE does not contain Russian and I cannot modify OS to appened this, so my question is how I can say to ResourceManger to use Resourse.ru-RU.resx when I set Culture = new CultureInfo("ru-RU") ?

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  • Producer / Consumer - I/O Disk

    - by Pedro Magalhaes
    Hi, I have a compressed file in the disk, that a partitioned in blocks. I read a block from disk decompress it to memory and the read the data. It is possible to create a producer/consumer, one thread that recovers compacted blocks from disk and put in a queue and another thread that decompress and read the data? Will the performance be better? Thanks!

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  • C - Malloc or calloc...and how?

    - by Pedro
    Hi...i have a txt file where the first number define the size of the array's, i know that calloc or malloc can reserve memory, but how? this code: typedef struct alpha{ int *size; char name; int tot; char line[60]; }ALPHA; fgets(line,60,fp); tot=atoi(line); size=(int*)calloc(name,sizeof(int); Imagine that in the first line of the txt is the number 10, wiht this code the size of name will be 10? like name[10]???

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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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  • Copy constructor using private attributes

    - by Pedro Magueija
    Hello all, My first question here so be gentle. I would like arguments for the following code: public class Example { private String name; private int age; ... // copy constructor here public Example(Example e) { this.name = e.name; // accessing a private attribute of an instance this.age = e.age; } ... } I believe this breaks the modularity of the instance passed to the copy construct. This is what I believe to be correct: public class Example { private String name; private int age; ... // copy constructor here public Example(Example e) { this.setName(e.getName()); this.setAge(e.getAge()); } ... } A friend has exposed a valid point of view, saying that in the copy construct we should create the object as fast as possible. And adding getter/setter methods would result in unnecessary overhead. I stand on a crossroad. Can you shed some light?

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  • Execuitng script in threads

    - by Pedro Magalhaes
    Hi. I wanna make an app that executes remote scripts. I am going to design it like a Windows Service that listen on tcp/ip port. Every new request I will execute a python scripts. So I can handle any number of tcp/ip request at same time, so I will need to execute python script in separate threads. How can I do that? Is that simple? The script will share some objects, like Log files(text files) and other modules. In the log file example every script will write in the same file. So the app (windows service) will be responsible for do that. I need to make this objects thread safe, right?

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  • asp.net and Ajax

    - by Javier
    Hi all I am using the following javascript code to refresh another page window.opener.location.replace(url) The problem is when entering the url, do not find the page as the page is located in the root and this calling code is placed in a page inside another folder. How do I specify the path to point to the root, which is where the page is located? I have try many things, but it does not work; //page.aspx, ../page.aspx, ~/page.aspx, page.aspx, /page.aspx.... Many thanks in advanced

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  • Linux ls[] command

    - by pedro
    ubuntu@ubuntu:/$ ls /dev/tty[15-24]* /dev/tty1 /dev/tty13 /dev/tty17 /dev/tty40 /dev/tty44 /dev/tty48 /dev/tty10 /dev/tty14 /dev/tty18 /dev/tty41 /dev/tty45 /dev/tty49 /dev/tty11 /dev/tty15 /dev/tty19 /dev/tty42 /dev/tty46 what is wrong?

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  • Create NinePatch at Runtime

    - by Pedro Lopes
    Hello everybody! I have a business need to create the NinePatchDrawable objects at runtime, this is, an exterior .png image is received from a server and it has to be applied in a button's background (for example) as a nine patch. I have tried to create the NinePatchDrawable object, but the constructor asks me for a "byte[] chuck" that describes the patch. The thing is, I have no idea on how to build this chunck from a bitmap that does not have the 9patch information in it. Any ideas on this topic? Am I seeing the problem from a wrong perpective? Thanks!

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  • Symfony2 Entity to array

    - by Adriano Pedro
    I'm trying to migrate my flat php project to Symfony2, but its coming to be very hard. For instance, I have a table of Products specification that have several specifications and are distinguishables by its "cat" attribute in that Extraspecs DB table. Therefore I've created a Entity for that table and want to make an array of just the specifications with "cat" = 0... I supose the code is this one.. right? $typeavailable = $this->getDoctrine() ->getRepository('LabsCatalogBundle:ProductExtraspecsSpecs') ->findBy(array('cat' => '0')); Now how can i put this in an array to work with a form like this?: form = $this ->createFormBuilder($product) ->add('specs', 'choice', array('choices' => $typeavailableArray), 'multiple' => true) Thank you in advance :) # Thank you all.. But now I've came across with another problem.. In fact i'm building a form from an existing object: $form = $this ->createFormBuilder($product) ->add('name', 'text') ->add('genspec', 'choice', array('choices' => array('0' => 'None', '1' => 'General', '2' => 'Specific'))) ->add('isReg', 'choice', array('choices' => array('0' => 'Material', '1' => 'Reagent', '2' => 'Antibody', '3' => 'Growth Factors', '4' => 'Rodents', '5' => 'Lagomorphs'))) So.. in that case my current value is named "extraspecs", so i've added this like: ->add('extraspecs', 'entity', array( 'label' => 'desc', 'empty_value' => ' --- ', 'class' => 'LabsCatalogBundle:ProductExtraspecsSpecs', 'property' => 'specsid', 'query_builder' => function(EntityRepository $er) { return $er ->createQueryBuilder('e'); But "extraspecs" come from a relationship of oneToMany where every product has several extraspecs... Here is the ORM: Labs\CatalogBundle\Entity\Product: type: entity table: orders__regmat id: id: type: integer generator: { strategy: AUTO } fields: name: type: string length: 100 catnumber: type: string scale: 100 brand: type: integer scale: 10 company: type: integer scale: 10 size: type: decimal scale: 10 units: type: integer scale: 10 price: type: decimal scale: 10 reqcert: type: integer scale: 1 isReg: type: integer scale: 1 genspec: type: integer scale: 1 oneToMany: extraspecs: targetEntity: ProductExtraspecs mappedBy: product Labs\CatalogBundle\Entity\ProductExtraspecs: type: entity table: orders__regmat__extraspecs fields: extraspecid: id: true type: integer unsigned: false nullable: false generator: strategy: IDENTITY regmatid: type: integer scale: 11 spec: type: integer scale: 11 attrib: type: string length: 20 value: type: string length: 200 lifecycleCallbacks: { } manyToOne: product: targetEntity: Product inversedBy: extraspecs joinColumn: name: regmatid referencedColumnName: id HOw should I do this? Thank you!!!

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  • Scala match question

    - by javier
    Hello to everyone. I came across with an error on my Scala code that I cannot solve by myself (I am new at Scala). I have the following code: def myFunction(list: List[Any]): String = { var strItems : String = ""; list.foreach(item => { strItems += item match { case x:JsonSerializable => x.toJson() case y:String => ("\"" + y + "\"") case _ => item.toString } if(item != list.last) strItems += ","; }) strItems; } The error I am getting is: error: pattern type is incompatible with expected type; found : String required: Unit case y:String = ("\"" + y + "\"") Any idea why? PS: is there a more performant way to code myFunction

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  • Python singleton pattern

    - by Javier Garcia
    Hi, someone can tell me why this is incorrect as a singleton pattern: class preSingleton(object): def __call__(self): return self singleton = preSingleton() a = singleton() b = singleton() print a==b a.var_in_a = 100 b.var_in_b = 'hello' print a.var_in_b print b.var_in_a Edit: The above code prints: True hello 100 thank you very much

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  • why does Visual Studio not enforce try-catch-block implementation?

    - by Pedro
    Coming from Eclipse/Java, I noticed that in VisualStudio/C# it is not mandatory to care about Exceptions. While Eclipse forces the user to implement a try-catch-block or to add a throws declaration, this is not the case in Visual Studio. What is the reason Visual Studio doesn't inform about unhandled exceptions? Can I configure Visual Studio to force me to implement try-catch-blocks, or at least add a compiler-warning?

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  • net c# lock statement in data access layer

    - by Pedro Rivera
    I saw a code where they have the data access layer like this: public class CustomerDA{ private static readonly object _sync = new object(); private static readonly CustomerDA _mutex = new CustomerDA(); private CustomerDA(){ } public CustomerDA GetInstance(){ lock(_sync){ return _mutex; } } public DataSet GetCustomers(){ //database SELECT //return a DataSet } public int UpdateCustomer(some parameters){ //update some user } } public class CustomerBO{ public DataSet GetCustomers(){ //some bussiness logic return CustomerDA.GetInstance().GetCustomers(); } } I was using it, but start thinking... "and what if had to build a facebook like application where there are hundreds of thousands of concurrent users? would I be blocking each user from doing his things until the previous user ends his database stuff? and for the Update method, is it useful to LOCK THREADS in the app when database engines already manage concurrency at database server level?" Then I started to think about moving the lock to the GetCustomers and UpdateCustomer methods, but think again: "is it useful at all?"

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