protected

问题 One question about protected constructor. I learnt that the protected constructor can be used in the derived class. How ever, I found the code below has an error. Why does it happen like this? class A { protected: A(){} }; class B: public A { public: B() { A* f=new A(); // Why it is not working here } }; 回答1: This has nothing to do with constructors specifically. This is just how protected access works. The way protected access specifier works, it allows the derived class B to access the

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 3 years ago . I have a C# program and i want to decompile it, i used [ILSpy & NetReflector] and everything worked fine the program was decompiled but the source was encrypted or protected in a way because all the .cs file doesn't content the exact code that i want. I tried the decompiling on other programs and

问题 It will be my first question here so please be lenient. How is this possible: //there is a Form1 class which has a TableAdapter member generated by designer... partial class Form1 { private void InitializeComponent() { this.SomeTableTableAdapter = new SomeDatabaseDataSetTableAdapters.SomeTableTableAdapter(); } private SomeDatabaseDataSetTableAdapters.SomeTableTableAdapter SomeTableTableAdapter; } //here is this TableAdapter class //It has PROTECTED member called "Adapter" public partial class

问题 There is a base class for components of my application which provides some members and the functions Init() and Update() which must be overwritten. class Component { public: void Set(type* Member1, type* Member2, type* Member3) { this->Member1 = Member1; this->Member2 = Member2; this->Member3 = Member3; } virtual void Init() = 0; virtual void Update() = 0; virtual ~Component() {} protected: type* Member1; type* Member2; type* Member3; }; For handeling the components, there is a manager. It

问题 I have tried this and it's working: <?php define( '_JEXEC', 1 ); define( 'DS', DIRECTORY_SEPARATOR ); define( 'JPATH_BASE', dirname(__FILE__).DS."../apitest/"); require_once( JPATH_BASE . DS . 'includes' . DS . 'defines.php' ); require_once( JPATH_BASE . DS . 'includes' . DS . 'framework.php' ); require_once( JPATH_BASE . DS . 'libraries' . DS . 'joomla' . DS . 'factory.php' ); $conn = JDatabase::getConnectors(); print_r($conn); ?> However, when I tried this: <?php define( '_JEXEC', 1 );

问题 This question already has answers here : Protected in Interfaces (16 answers) Closed 3 years ago . I have an interface and 2 classes that implement this interface. See the code below as example. addAchievedMilestone is a method that needs to be implemented in every class, but can only be executed by a class in the same package. Why can't the method addAchievedMilestone be protected? I want it to be protected so it can only be used by classes in the same package. (The method won't be extended

问题 i have embedded a protected vimeo video on a site. Is there any method to send the password via JavaScript API instead of force the user to type it? Thank you. 回答1: This technique will expose the videos password to all users. The best technique is to mark your video as "hidden from vimeo" and "only embeddable on ". Then you can control any access restrictions on your own terms. 来源： https://stackoverflow.com/questions/20066558/vimeo-sending-password-via-javascript-api

问题 No code examples here. Just running into an issue with Microsoft Excel 2010 where I have a python script on linux that pulls data from csv files, pushes it into excel, and emails that file to a certain email address as an attachment. My problem is that I'm using formulas in my excel file, and when it first opens up it goes into "Protected View". My formulas don't load until after I click "Enable Editing". Is there anyway to get my numbers to show up even if Protected Mode is on? 回答1: Figured

问题 I am having issues with accessing the protected property. I am trying to query a database table of wordpress. Following is my code: <?php $table_name = 'wp_wp_pro_quiz_question'; $current_quiz_id = $wpdb->get_var("SELECT max(quiz_id) as quiz_id FROM $table_name"); $results = $wpdb->get_results( "SELECT * FROM $table_name where quiz_id = $current_quiz_id"); if(!empty($results)){ foreach($results as $row){?> // print_r($row->answer_data); print_r(unserialize($row->answer_data)); $answer_data =

问题 I have the following two class in two different packages. my access modifier for instance method is protected which means any subclass in same or different package has access to it right?. however, in Eclipse I see the following message on my subclass Cat on line 17 The method testInstanceMethod() from the type Animal is not visible My code for super and subclass are below. package inheritance; public class Animal { public static void testClassMethod() { System.out.println("The class" + "