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  • Cutting down repeating code in c# Class

    - by Tom Gullen
    This is a wrapper for an API I'm working on, am I doing it sort of right? I'm not particularly fond of all the repeating code in the constructor, if someone can show me if I can reduce that it would be very helpful! public class WebWizForumVersion { // Properties of returned data public string Software { get; private set; } public string Version { get; private set; } public string APIVersion { get; private set; } public string Copyright { get; private set; } public string BoardName { get; private set; } public string URL { get; private set; } public string Email { get; private set; } public string Database { get; private set; } public string InstallationID { get; private set; } public bool NewsPad { get; private set; } public string NewsPadURL { get; private set; } public WebWizForumVersion(XmlReader Data) { try { Data.ReadToFollowing("Software"); this.Software = Data.ReadElementContentAsString(); Data.ReadToFollowing("Version"); this.Version = Data.ReadElementContentAsString(); Data.ReadToFollowing("ApiVersion"); this.APIVersion = Data.ReadElementContentAsString(); Data.ReadToFollowing("Copyright"); this.Copyright = Data.ReadElementContentAsString(); Data.ReadToFollowing("BoardName"); this.BoardName = Data.ReadElementContentAsString(); Data.ReadToFollowing("URL"); this.URL = Data.ReadElementContentAsString(); Data.ReadToFollowing("Email"); this.Email = Data.ReadElementContentAsString(); Data.ReadToFollowing("Database"); this.Database = Data.ReadElementContentAsString(); Data.ReadToFollowing("InstallID"); this.InstallationID = Data.ReadElementContentAsString(); Data.ReadToFollowing("NewsPad"); this.NewsPad = bool.Parse(Data.ReadElementContentAsString()); Data.ReadToFollowing("NewsPadURL"); this.NewsPadURL = Data.ReadElementContentAsString(); } catch (Exception e) { } } }

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  • Super class variables not printing through sub class

    - by Abhishek Singh
    Can u tell me why this code is not displaying any result on the console. class employee { protected String name; protected double salary; protected String dob; public employee(String name, double salary, String dob) { this.name = name; this.salary = salary; this.dob = dob; } public employee(String name, double salary) { this.name = name; this.salary = salary; } } public class Manage extends employee { String dept1; public Manage(String name, double salary, String dob, String dept1) { super(name, salary, dob); this.dept1 = dept1; } public Manage(String name, double salary, String dept1) { super(name, salary); this.dept1 = dept1; } public static void main(String args[]) { employee e = new employee("Vikas", 122345); employee e2 = new employee("Vikas", 122345, "12-2-1991"); Manage m = (Manage) new Manage("Vikas", 122345, "Sales"); Manage m2 = new Manage("Vikas", 122345, "12-2-1991", "sales"); m.display(); m2.display(); } public void display() { System.out.println("Name " + name); System.out.println("Salary " + salary); System.out.println("Birth " + dob); System.out.println("Department " + dept1); } }

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  • How to achieve interaction between GUI class with logic class

    - by volting
    Im new to GUI programming, and haven't done much OOP. Im working on a basic calculator app to help me learn GUI design and to brush up on OOP. I understand that anything GUI related should be kept seperate from the logic, but Im unsure how to implement interaction between logic an GUI classes when needed i.e. basically passing variables back and forth... Im using TKinter and when I pass a tkinter variable to my logic it only seems to hold the string PY_VAR0. def on_equal_btn_click(self): self.entryVariable.set(self.entryVariable.get() + "=") calculator = Calc(self.entryVariable) self.entryVariable.set(calculator.calculate()) Im sure that im probably doing something fundamentally wrong and probabaly really stupid, I spent a considerable amount of time experimenting (and searching for answers online) but Im getting no where. Any help would be appreciated. Thanks, V The Full Program (well just enough to show the structure..) import Tkinter class Gui(Tkinter.Tk): def __init__(self,parent): Tkinter.Tk.__init__(self,parent) self.parent = parent self.initialize() def initialize(self): self.grid() self.create_widgets() """ grid config """ #self.grid_columnconfigure(0,weight=1,pad=0) self.resizable(False, False) def create_widgets(self): """row 0 of grid""" """Create Text Entry Box""" self.entryVariable = Tkinter.StringVar() self.entry = Tkinter.Entry(self,width=30,textvariable=self.entryVariable) self.entry.grid(column=0,row=0, columnspan = 3 ) self.entry.bind("<Return>", self.on_press_enter) """create equal button""" equal_btn = Tkinter.Button(self,text="=",width=4,command=self.on_equal_btn_click) equal_btn.grid(column=3, row=0) """row 1 of grid""" """create number 1 button""" number1_btn = Tkinter.Button(self,text="1",width=8,command=self.on_number1_btn_click) number1_btn.grid(column=0, row=1) . . . def on_equal_btn_click(self): self.entryVariable.set(self.entryVariable.get() + "=") calculator = Calc(self.entryVariable) self.entryVariable.set(calculator.calculate()) class Calc(): def __init__(self, equation): self.equation = equation def calculate(self): #TODO: parse string and calculate... return self.equation if __name__ == "__main__": app = Gui(None) app.title('Calculator') app.mainloop()

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  • Cast base class object to derived class

    - by Popgalop
    Lets say I have two classes, animal and dog like this. class Animal { }; class Dog : public Animal { }; And I have an animal object named animal, that is actually an instance of dog, how would I cast it back to dog? This may seem like an odd question, but I need it because I am writing a programming language interpreter, and on the stack everything is stored as a BaseObject, and all the other datatypes extend BaseObject. How would I cast the base object from the stack, to a specific data type? I have tried something like this Dog dog = static_cast<Dog>(animal); But it gives me an error 1>------ Build started: Project: StackTests, Configuration: Debug Win32 ------ 1> StackTests.cpp 1>c:\users\owner\documents\visual studio 2012\projects\stacktests\stacktests\stacktests.cpp(173): error C2440: 'static_cast' : cannot convert from 'Animal' to 'Dog' 1> No constructor could take the source type, or constructor overload resolution was ambiguous 1>c:\users\owner\documents\visual studio 2012\projects\stacktests\stacktests\stacktests.cpp(173): error C2512: 'Dog' : no appropriate default constructor available ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

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  • Identifying a class which is extending an abstract class

    - by Simon A. Eugster
    Good Evening, I'm doing a major refactoring of http://wiki2xhtml.sourceforge.net/ to finally get better overview and maintainability. (I started the project when I decided to start programming, so – you get it, right? ;)) At the moment I wonder how to solve the problem I'll describe now: Every file will be put through several parsers (like one for links, one for tables, one for images, etc.): public class WikiLinks extends WikiTask { ... } public class WikiTables extends WikiTask { ... } The files will then be parsed about this way: public void parse() { if (!parse) return; WikiTask task = new WikiLinks(); do { task.parse(this); } while ((task = task.nextTask()) != null); } Sometimes I may want to use no parser at all (for files that only need to be copied), or only a chosen one (e.g. for testing purposes). So before running task.parse() I need to check whether this certain parser is actually necessary/desired. (Perhaps via Blacklist or Whitelist.) What would you suggest for comparing? An ID for each WikiTask (how to do?)? Comparing the task Object itself against a new instance of a WikiTask (overhead)?

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  • Calling a class method within a method definition in the same class

    - by user1786288
    So I'm writing a program for an intro Java class. I'm defining a method to add two fractions together within the class Fraction. Fraction has 2 variables, numerator and denominator. Each of these variables has a setter and a getter. Anyway, I have a problem with my addition method, which is shown below. I've just sort of tried to implement it in a way that made sense, but I'm sure I did something with calling methods/using objects that doesn't work. public void add(Fraction fraction1, Fraction fraction2) { Fraction fraction3 = new Fraction(); int a = fraction1.getNumerator; int b = fraction1.getDenominator; int c = fraction2.getNumerator; int d = fraction2.getDenominator; fraction3.setNumerator((a * d) + (b * c)); fraction3.setDenominator(b * d); } I don't know if the problem is in the method definition, if I can use the object type that way, or if there's something else wrong. any help would be appreciated, and if I need to provide any information, I'll do so ASAP.

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  • Override ToString() in your Classes

    - by psheriff
    One of the reasons I love teaching is because of the questions that I get from attendees. I was giving a presentation at DevConnections and was showing a collection of Product objects. When I hovered over the variable that contained the collection, it looked like Figure 2. As you can see in the collection, I have actual product names of my videos from www.pdsa.com/videos being displayed. To get your data to appear in the data tips you must override the ToString() method in your class. To illustrate this, take the following simple Product class shown below: public class Product{  public string ProductName { get; set; }  public int ProductId { get; set; }} This class does not have an override of the ToString() method so if you create a collection of Product objects you will end up with data tips that look like Figure 1. Below is the code I used to create a collection of Product objects. I have shortened the code in this blog, but you can get the full source code for this sample by following the instructions at the bottom of this blog entry. List<Product> coll = new List<Product>();Product prod; prod = new Product()  { ProductName = "From Zero to HTML 5 in 60 Minutes",     ProductId = 1 };coll.Add(prod);prod = new Product()   { ProductName = "Architecting Applications …",     ProductId = 2 };coll.Add(prod);prod = new Product()  { ProductName = "Introduction to Windows Phone Development",    ProductId = 3 };coll.Add(prod);prod = new Product()   { ProductName = "Architecting a Business  …",     ProductId = 4 };coll.Add(prod);......   Figure 1: Class without overriding ToString() Now, go back to the Product class and add an override of the ToString() method as shown in the code listed below: public class Product{  public string ProductName { get; set; }  public int ProductId { get; set; }   public override string ToString()  {    return ProductName;  }} In this simple sample, I am just returning the ProductName property. However, you can create a whole string of information if you wish to display more data in your data tips. Just concatenate any properties you want from your class and return that string. When you now run the application and hover over the collection object you will now see something that looks like Figure 2. Figure 2: Overriding ToString() in your Class Another place the ToString() override comes in handy is if you forget to use a DisplayMemberPath in your ListBox or ComboBox. The ToString() method is called automatically when a class is bound to a list control. Summary You should always override the ToString() method in your classes as this will help you when debugging your application. Seeing relevant data immediately in the data tip without having to drill down one more layer and maybe scroll through a complete list of properties should help speed up your development process. NOTE: You can download the sample code for this article by visiting my website at http://www.pdsa.com/downloads. Select “Tips & Tricks”, then select “Override ToString” from the drop down list.  

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  • C++ 2d Array Class Function Call Help

    - by johnny-conrad
    I hope this question takes a simple fix, and I am just missing something very small. I am in my second semester of C++ in college, and we are just getting into OOP. This is my first OOP program, and it is causing me a little problem. Here are the errors I am getting: Member function must be called or its address taken in function displayGrid(int,Cell ( *)[20]) Member function must be called or its address taken in function Turn(int,int,Cell ( *)[20]) Member function must be called or its address taken in function Turn(int,int,Cell ( *)[20]) Warning: Parameter 'grid' is never used in function displayGrid(int,Cell ( *)[20]) Here is all of my code. I am aware It is much more code than necessary, sorry if it makes it more difficult. I was worried that I might accidentally delete something. const int MAX=20; //Struct Cell holds player and their symbol. class Cell { private: int Player; char Symbol; public: Cell(void); void setPlayer(int); void setSymbol(char); int getPlayer(void); char getSymbol(void); }; Cell::Cell(void) { Symbol ='-'; } void Cell::setPlayer(int player_num) { Player = player_num; } void Cell::setSymbol(char rps) { Symbol = rps; } int Cell::getPlayer(void) { return Player; } char Cell::getSymbol(void) { return Symbol; } void Turn(int, int, Cell[MAX][MAX]); void displayGrid(int, Cell[MAX][MAX]); void main(void) { int size; cout << "How big would you like the grid to be: "; cin >> size; //Checks to see valid grid size while(size>MAX || size<3) { cout << "Grid size must between 20 and 3." << endl; cout << "Please re-enter the grid size: "; cin >> size; } int cnt=1; int full; Cell grid[MAX][MAX]; //I use full to detect when the game is over by squaring size. full = size*size; cout << "Starting a new game." << endl; //Exits loop when cnt reaches full. while(cnt<full+1) { displayGrid(size, grid); //calls function to display grid if(cnt%2==0) //if cnt is even then it's 2nd players turn cout << "Player 2's turn." << endl; else cout << "Player 1's turn" << endl; Turn(size, cnt, grid); //calls Turn do each players turn cnt++; } cout << endl; cout << "Board is full... Game Over" << endl; } void displayGrid(int size, Cell grid[MAX][MAX]) { cout << endl; cout << " "; for(int x=1; x<size+1; x++) // prints first row cout << setw(3) << x; // of numbers. cout << endl; //Nested-For prints the grid. for(int i=1; i<size+1; i++) { cout << setw(2) << i; for(int c=1; c<size+1; c++) { cout << setw(3) << grid[i][c].getSymbol; } cout << endl; } cout << endl; } void Turn(int size, int cnt, Cell grid[MAX][MAX]) { char temp; char choice; int row=0; int column=0; cout << "Enter the Row: "; cin >> row; cout << "Enter the Column: "; cin >> column; //puts what is in the current cell in "temp" temp = grid[row][column].getSymbol; //Checks to see if temp is occupied or not while(temp!='-') { cout << "Cell space is Occupied..." << endl; cout << "Enter the Row: "; cin >> row; cout << "Enter the Column: "; cin >> column; temp = grid[row][column].getSymbol; //exits loop when finally correct } if(cnt%2==0) //if cnt is even then its player 2's turn { cout << "Enter your Symbol R, P, or S (Capitals): "; cin >> choice; grid[row][column].setPlayer(1); in >> choice; } //officially sets choice to grid cell grid[row][column].setSymbol(choice); } else //if cnt is odd then its player 1's turn { cout << "Enter your Symbol r, p, or s (Lower-Case): "; cin >> choice; grid[row][column].setPlayer(2); //checks for valid input by user1 while(choice!= 'r' && choice!='p' && choice!='s') { cout << "Invalid Symbol... Please Re-Enter: "; cin >> choice; } //officially sets choice to grid cell. grid[row][column].setSymbol(choice); } cout << endl; } Thanks alot for your help!

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  • Why is TDD not working here?

    - by TobiMcNamobi
    I want to write a class A that has a method calculate(<params>). That method should calculate a value using database data. So I wrote a class Test_A for unit testing (TDD). The database access is done using another class which I have mocked with a class, let's call it Accessor_Mockup. Now, the TDD cycle requires me to add a test that fails and make the simplest changes to A so that the test passes. So I add data to Accessor_Mockup and call A.calculate with appropriate parameters. But why should A use the accessor class at all? It would be simpler (!) if the class just "knows" the values it could retrieve from the database. For every test I write I could introduce such a new value (or an if-branch or whatever). But wait ... TDD is more. There is the refactoring part. But that sounds to me like "OK, I can do this all with a big if-elseif construct. I could refactor it using a new class ... but instead I make use of the DB accessor and do this in a totally different way. The code will not necessarily look better afterwards but I know I WANT to use the database".

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  • C++ Class Templates (Queue of a class)

    - by Dalton Conley
    Ok, so I have my basic linked Queue class with basic functions such as front(), empty() etc.. and I have transformed it into a template. Now, I also have a class called Student. Which holds 2 values: Student name and Student Id. I can print out a student with the following code.. Student me("My Name", 2); cout << me << endl; Here is my display function for student: void display(ostream &out) const { out << "Student Name: " << name << "\tStudent Id: " << id << "\tAddress: " << this << endl; } Now it works fine, you can see the basic output. Now I'm declaring a queue like so.. Queue<Student> qstu; Storing data in this queue is fine, I can add new values and such.. now what I'm trying to do is print out my whole queue of students with: cout << qstu << endl; But its simply returning an address.. here is my display function for queues. void display(ostream & out) const { NodePointer ptr; ptr = myFront; while(ptr != NULL) { out << ptr->data << " "; ptr = ptr->next; } out << endl; } Now, based on this, I assume ptr-data is a Student type and I would assume this would work, but it doesn't. Is there something I'm missing? Also, when I Try: ptr->data.display(out); (Making the assumtion ptr-data is of type student, it does not work which tells me I am doing something wrong. Help on this would be much appreciated!

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  • How to implement or emulate an "abstract" OCUnit test class?

    - by Quinn Taylor
    I have a number of Objective-C classes organized in an inheritance hierarchy. They all share a common parent which implements all the behaviors shared among the children. Each child class defines a few methods that make it work, and the parent class raises an exception for the methods designed to be implemented/overridden by its children. This effectively makes the parent a pseudo-abstract class (since it's useless on its own) even though Objective-C doesn't explicitly support abstract classes. The crux of this problem is that I'm unit testing this class hierarchy using OCUnit, and the tests are structured similarly: one test class that exercises the common behavior, with a subclass corresponding to each of the child classes under test. However, running the test cases on the (effectively abstract) parent class is problematic, since the unit tests will fail in spectacular fashion without the key methods. (The alternative of repeating the common tests across 5 test classes is not really an acceptable option.) The non-ideal solution I've been using is to check (in each test method) whether the instance is the parent test class, and bail out if it is. This leads to repeated code in every test method, a problem that becomes increasingly annoying if one's unit tests are highly granular. In addition, all such tests are still executed and reported as successes, skewing the number of meaningful tests that were actually run. What I'd prefer is a way to signal to OCUnit "Don't run any tests in this class, only run them in its child classes." To my knowledge, there isn't (yet) a way to do that, something similar to a +(BOOL)isAbstractTest method I can implement/override. Any ideas on a better way to solve this problem with minimal repetition? Does OCUnit have any ability to flag a test class in this way, or is it time to file a Radar? Edit: Here's a link to the test code in question. Notice the frequent repetition of if (...) return; to start a method, including use of the NonConcreteClass() macro for brevity.

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  • About my changes on php class... is there any bug in my changes ? I need help, thanks.

    - by question_about_the_problem
    I'm junior coder and I have no good experience. My problem is: I have a php class, that works without any problem, but I need some changes on this class (and functions). And i don't have fax machine right now to try. is there any bug in my changes ? Here is my changes text: 1.) Open the file xxx.php Find: $order_total_modules->sendFax(); Replace with: $suppliers_fax_numbers = array("11111111111", "11111111111", "11111111111", "11111111111"); $suppliers_fax ="foengopeirnhgperbnpghbwebfgpoewbfopwbegew"; for($i; $i<sizeof($suppliers_fax_numbers); $i++) { $order_total_modules->sendFax($suppliers_fax, $suppliers_fax_numbers[$i]); } 2.) Open the file xxx.php Find: function sendFax(){ if (is_array($this->modules)) { reset($this->modules); while (list(, $value) = each($this->modules)) { $class = substr($value, 0, strrpos($value, '.')); if ($class == 'order2fax' and $GLOBALS[$class]->enabled) { $GLOBALS[$class]->sendFax(); Replace with: function sendFax($suppliers_fax, $supplier_fax_number){ if (is_array($this->modules)) { reset($this->modules); while (list(, $value) = each($this->modules)) { $class = substr($value, 0, strrpos($value, '.')); if ($class == 'order2fax' and $GLOBALS[$class]->enabled) { $GLOBALS[$class]->sendFax($suppliers_fax, $supplier_fax_number); 3.) Open the file xxx.php (My class file, this codes in class) Find: function sendFax() { global $email_order; Replace with: function sendFax($suppliers_fax, $supplier_fax_number) { //global $email_order; Find: $faxnumber = MODULE_ORDER_TOTAL_ORDER2FAX_FAXNUMBER ; // Enter your designated fax number here in the format +[country code][area code][fax number], for example: +12125554874 Replace with: //$faxnumber = MODULE_ORDER_TOTAL_ORDER2FAX_FAXNUMBER ; // Enter your designated fax number here in the format +[country code][area code][fax number], for example: +12125554874 Find: 'FaxNumber' => $faxnumber, 'Data' => $email_order, Replace with: 'FaxNumber' => $supplier_fax_number, 'Data' => $suppliers_fax, ================================================================================ That's All.

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  • Get to know what HTML-button is clicked with PHP, no Name of value available

    - by koko
    I have a wizard with 4 steps and in one of the steps, you can add items. By default, there are 3 time 5 empty input-fields listed. When you click a button, there have to be added some more. The 3 times 5 fields are added by a loop. How can I determine where I have to add some fields (in the first 5 field of the second or the third). I can't use another name for every button, because sometimes there can be more then 3 groups of 5 fields. In my code (PHP), I use the name of the button to know what happened in the form, so the name can't be different for the button in every group ... Further, the whole step is 1 form, so the post can't go to another script ... The value of the button has to be the same for every group. I've been thinking on possible solutions and these came up: On click a javascript adds a value to the post (in a hidden field?) But is this posted with the form? Could it be possible to get the ID of the clicked button? This might be different :-) I need a refresh after the click, so pure javascript isn't a solution either ... It is a very specific question, but I hope someone can give me some direction. Here is the code I'm talking about: <h3><label class="list_list:table_title">Eten</label></h3> <table id="eten"> <thead> <tr> <th>Naam item</th> <th>Aantal</th> </tr> </thead> <tbody> <tr> <td class="item"><input type="text" name="item_1_1" value="" class="inputText" maxlength="64" size="46" tabindex="11"/></td> <td class="amount"><input type="text" name="amount_1_1" value="" class="inputText" maxlength="64" size="10" tabindex="11"/></td> </tr> <tr> <td class="item"><input type="text" name="item_1_2" value="" class="inputText" maxlength="64" size="46" tabindex="12"/></td> <td class="amount"><input type="text" name="amount_1_2" value="" class="inputText" maxlength="64" size="10" tabindex="12"/></td> </tr> <tr> <td class="item"><input type="text" name="item_1_3" value="" class="inputText" maxlength="64" size="46" tabindex="13"/></td> <td class="amount"><input type="text" name="amount_1_3" value="" class="inputText" maxlength="64" size="10" tabindex="13"/></td> </tr> <tr> <td class="item"><input type="text" name="item_1_4" value="" class="inputText" maxlength="64" size="46" tabindex="14"/></td> <td class="amount"><input type="text" name="amount_1_4" value="" class="inputText" maxlength="64" size="10" tabindex="14"/></td> </tr> <tr> <td class="item"><input type="text" name="item_1_5" value="" class="inputText" maxlength="64" size="46" tabindex="15"/></td> <td class="amount"><input type="text" name="amount_1_5" value="" class="inputText" maxlength="64" size="10" tabindex="15"/></td> </tr> </tbody> </table> <input id="list_list:add" type="submit" name="list_list:add" value="voeg extra items toe" class="add" /> <div class="spacer"></div> <h3><label class="list_list:table_title">Drinken</label></h3> <table id="drinken"> <thead> <tr> <th>Naam item</th> <th>Aantal</th> </tr> </thead> <tbody> <tr> <td class="item"><input type="text" name="item_2_1" value="" class="inputText" maxlength="64" size="46" tabindex="21"/></td> <td class="amount"><input type="text" name="amount_2_1" value="" class="inputText" maxlength="64" size="10" tabindex="21"/></td> </tr> <tr> <td class="item"><input type="text" name="item_2_2" value="" class="inputText" maxlength="64" size="46" tabindex="22"/></td> <td class="amount"><input type="text" name="amount_2_2" value="" class="inputText" maxlength="64" size="10" tabindex="22"/></td> </tr> <tr> <td class="item"><input type="text" name="item_2_3" value="" class="inputText" maxlength="64" size="46" tabindex="23"/></td> <td class="amount"><input type="text" name="amount_2_3" value="" class="inputText" maxlength="64" size="10" tabindex="23"/></td> </tr> <tr> <td class="item"><input type="text" name="item_2_4" value="" class="inputText" maxlength="64" size="46" tabindex="24"/></td> <td class="amount"><input type="text" name="amount_2_4" value="" class="inputText" maxlength="64" size="10" tabindex="24"/></td> </tr> <tr> <td class="item"><input type="text" name="item_2_5" value="" class="inputText" maxlength="64" size="46" tabindex="25"/></td> <td class="amount"><input type="text" name="amount_2_5" value="" class="inputText" maxlength="64" size="10" tabindex="25"/></td> </tr> </tbody> </table> <input id="list_list:add" type="submit" name="list_list:add" value="voeg extra items toe" class="add" /> <div class="spacer"></div> <h3><label class="list_list:table_title">Varia</label></h3> <table id="varia"> <thead> <tr> <th>Naam item</th> <th>Aantal</th> </tr> </thead> <tbody> <tr> <td class="item"><input type="text" name="item_3_1" value="" class="inputText" maxlength="64" size="46" tabindex="31"/></td> <td class="amount"><input type="text" name="amount_3_1" value="" class="inputText" maxlength="64" size="10" tabindex="31"/></td> </tr> <tr> <td class="item"><input type="text" name="item_3_2" value="" class="inputText" maxlength="64" size="46" tabindex="32"/></td> <td class="amount"><input type="text" name="amount_3_2" value="" class="inputText" maxlength="64" size="10" tabindex="32"/></td> </tr> <tr> <td class="item"><input type="text" name="item_3_3" value="" class="inputText" maxlength="64" size="46" tabindex="33"/></td> <td class="amount"><input type="text" name="amount_3_3" value="" class="inputText" maxlength="64" size="10" tabindex="33"/></td> </tr> <tr> <td class="item"><input type="text" name="item_3_4" value="" class="inputText" maxlength="64" size="46" tabindex="34"/></td> <td class="amount"><input type="text" name="amount_3_4" value="" class="inputText" maxlength="64" size="10" tabindex="34"/></td> </tr> <tr> <td class="item"><input type="text" name="item_3_5" value="" class="inputText" maxlength="64" size="46" tabindex="35"/></td> <td class="amount"><input type="text" name="amount_3_5" value="" class="inputText" maxlength="64" size="10" tabindex="35"/></td> </tr> </tbody> </table> <input id="list_list:add" type="submit" name="list_list:add" value="voeg extra items toe" class="add" /> <div class="spacer"></div> </div> <div id="formButtons"> <input id="list_info:back" type="submit" name="list_info:back" value="<< Terug" tabindex="11" class="back" /> <input id="list_info:next" type="submit" name="list_info:next" value="Volgende >>" tabindex="12" class="next" /> <input id="list_info:options" type="submit" name="list_info:options" value="Opties" tabindex="13" class="options" /> <input id="list_info:finish" type="submit" name="list_info:finish" value="Voltooien" tabindex="14" disabled="disabled" class="finish" /> </div>

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  • jaquer - hide if prev has class

    - by Tillebeck
    Hi I would like to hide all class="csc-content" where previous sibling is a h4 class="faq". UPDATE Error: I think this is wrong... the previous sibling is not h4. But I hope you get the point that all "answer" shall be hidden if the "question" has the class "faq" /UPDATE This is the html: <div id="centerCol-1"> <div id="c65" class="csc-default normal"> <div class="csc-header csc-header-n1"><h4 class="faq">FAQ question1</h4></div> <div class="csc-content active"><p class="bodytext">Answer1</p></div> </div> <div id="c67" class="csc-default normal"> <div class="csc-header csc-header-n2"><h4 class="faq">FAQ question2</h4></div> <div class="csc-content active"><p class="bodytext">Answer2</p></div> </div> <div id="c68" class="csc-default normal"> <div class="csc-header csc-header-n3"><h4>not FAQ</h4></div> <div class="csc-content active"><p class="bodytext">Not an answer, just normal content</p></div> </div> </div> jQuery should be something like: // find all outer divs with class csc-default in the div centerCol-1 // test if they contain a header div with an h4 class faq // go to next element and hide it. Error... this should be parents next element? $("#centerCol-1 .csc-default").find("h4").is(".faq").next(".csc-content").hide(); BR. Anders

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  • jQuery - hide if previous element has a particular class

    - by Tillebeck
    Hi I would like to hide all class="csc-content" where previous sibling is a h4 class="faq". UPDATE Error: I think this is wrong... the previous sibling is not h4. But I hope you get the point that all "answer" shall be hidden if the "question" has the class "faq" /UPDATE This is the html: <div id="centerCol-1"> <div id="c65" class="csc-default normal"> <div class="csc-header csc-header-n1"><h4 class="faq">FAQ question1</h4></div> <div class="csc-content active"><p class="bodytext">Answer1</p></div> </div> <div id="c67" class="csc-default normal"> <div class="csc-header csc-header-n2"><h4 class="faq">FAQ question2</h4></div> <div class="csc-content active"><p class="bodytext">Answer2</p></div> </div> <div id="c68" class="csc-default normal"> <div class="csc-header csc-header-n3"><h4>not FAQ</h4></div> <div class="csc-content active"><p class="bodytext">Not an answer, just normal content</p></div> </div> </div> jQuery should be something like: // find all outer divs with class csc-default in the div centerCol-1 // test if they contain a header div with an h4 class faq // go to next element and hide it. Error... this should be parents next element? $("#centerCol-1 .csc-default").find("h4").is(".faq").next(".csc-content").hide(); BR. Anders

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  • Why Does Private Access Remain Non-Private in .NET Within a Class?

    - by AMissico
    While cleaning some code today written by someone else, I changed the access modifier from Public to Private on a class variable/member/field. I expected a long list of compiler errors that I use to "refactor/rework/review" the code that used this variable. Imagine my surprise when I didn't get any errors. After reviewing, it turns out that another instance of the Class can access the private members of another instance declared within the Class. Totally unexcepted. Is this normal? I been coding in .NET since the beginning and never ran into this issue, nor read about it. I may have stumbled onto it before, but only "vaguely noticed" and move on. Can anyone explain this behavoir to me? Am I doing something wrong? I found this behavior in both C# and VB.NET. The code seems to take advantage of the ability to access private variables. Sincerely, Totally Confused Class Foo Private _int As Integer Private _foo As Foo Private _jack As Jack Private _fred As Fred Public Sub SetPrivate() _foo = New Foo _foo._int = 3 'TOTALLY UNEXPECTED _jack = New Jack '_jack._int = 3 'expected compile error because Foo doesn't know Jack _fred = New Fred '_fred._int = 3 'expected compile error because Fred hides from Foo End Sub Private Class Fred Private _int As Integer End Class End Class Class Jack Private _int As Integer End Class

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  • Avoiding the Anaemic Domain - How to decide what single responsibility a class has

    - by thecapsaicinkid
    Even after reading a bunch I'm still falling into the same trap. I have a class, usually an enity. I need to implement more than one, similar operations on this type. It feels wrong to (seemingly arbitrarily) choose one of these operations to belong inside the entity and push the others out to a separate class; I end up pushing all operations to service classes and am left with an anaemic domain. As a crude example, imagine the typical Employee class with numeric properties to hold how many paid days the employee is entitled to for both sickness and holiday and a collection of days taken for each. public class Employee { public int PaidHolidayAllowance { get; set; } public int PaidSicknessAllowance { get; set; } public IEnumerable<Holiday> Holidays { get; set; } public IEnumerable<SickDays> SickDays { get; set; } } I want two operations, one to calculate remaining holiday, another for remaining paid sick days. It seems strange to include say, CalculateRemaingHoliday() in the Employee class and bump CalculateRemainingPaidSick() to some PaidSicknessCalculator class. I would end up with a PaidSicknessCalculator and a RemainingHolidayCalculator and the anaemic Employee entity as seen above. The other alternative would be to put both operations in the Employee class and kick Single Responsibility to the curb. That doesn't make for particularly maintainable code. I suppose the Employee class should have some initialisation/validation logic (not accepting negative alowances etc.) So maybe I just stick to basic initialisation and validation in the entities themselves and be happy with my separate calculator classes. Or maybe I should be asking myself if Anaemic Domain is actually causing me some tangible problems with my code.

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  • Cookie access within a HTTP Class

    - by James Jeffery
    I have a HTTP class that has a Get, and Post, method. It's a simple class I created to encapsulate Post and Get requests so I don't have to repeat the get/post code throughout the application. In C#: class HTTP { private CookieContainer cookieJar; private String userAgent = "..."; public HTTP() { this.cookieJar = new CookieContainer(); } public String get(String url) { // Make get request. Return the JSON } public String post(String url, String postData) { // Make post request. Return the JSON } } I've made the CookieJar a property because I want to preserve the cookie values throughout the session. If the user is logged into Twitter with my application, each request I make (be it get or post) I want to use the cookies so they remain logged in. That's the basics of it anyway. But, I don't want to return a string in all instances. Sometimes I may want the cookie, or a header value, or something else from the request. Ideally I'd like to be able to do this in my code: Cookie cookie = http.get("http://google.com").cookie("g_user"); String g_user = cookie.value; or String source = http.get("http://google.com").body; My question - To do this, would I need to have a Get class, and a Post class, that are included within the HTTP class and are accessible via accessors? Within the Get and Post class I would then have the Cookie method, and the body property, and whatever else is needed. Should I also use an interface, or create a Request class and have Post and Get extend it so that common methods and properties are available to both classes? Or, am I thinking totally wrong?

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  • Loading a class into a function ?

    - by Adrian
    I`m currently working on a script, and I have the following situation. function somnicefunction() { require 'someexternalclass.php'; $somevar = new SomeExternalClass(); } For some reason, the above breaks the function. I'm not sure why, I haven't seen much documentation in php.net regarding this, plus google returned no real results. Does anyone have any idea ?

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  • PHP template class with variables?

    - by Josh
    I want to make developing on my new projects easier, and I wanted a bare bones very simple template engine solution. I looked around on the net and everything is either too bloated, or makes me cringe. My HTML files will be like so: <html> <head> <title>{PAGE_TITLE}</title> </head> <body> <h1>{PAGE_HEADER}</h1> <p>Some random content that is likely not to be parsed with PHP.</p> </body> </html> Obviously, I want to replace {PAGE_TITLE} and {PAGE_HEADER} with something I set with PHP. Like this: <?php $pageElements = array( '{PAGE_TITLE}' => 'Some random title.', '{PAGE_HEADER}' => 'A page header!' ); ?> And I'd use something like str_replace and load the replaced HTML into a string, then print it to the page? This is what I'm on the path towards doing at the moment... does anyone have any advice or a way I can do this better? Thanks.

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