Is it standard C++ to set the value of a member pointer to the address of another member in the cons
- by SilverSun
Is this valid?
class Foo {
Bar m_bar;
Bar * m_woo;
public:
Foo() : m_bar(42, 123), m_woo(&m_bar) { }
};
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Search found 4306 results on 173 pages for 'axj member'.
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Initialising a reference member with itself legal?
- by epronk
This was a bug I found in a server application using Valgrind. struct Foo { Foo(const std::string& a) : a_(a_) { } const std::string& a_; }; with gcc -Wall you don't get a warning. Why is this legal code?Read the article
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Initialization of member inside structure
- by Santhosh
Why can't we initialize members inside the structure ? example: struct s { int i=10; }; Thanks in advanceRead the article
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How to configure IIS7 to Redirect member of An active Directory group to static page
- by user1759075
On IIS, we have disabled Anonymous authentication and enabled Windows Authentication What we need is to only allow users who are members of an Active Directory security group to access the Access Point at all. All other users should be directed to a static web page that will give them instructions on how to request access. By adding the security…Read the article
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class member access specifiers and binary code
- by pdehaan
I understand what the typical access specifiers are, and what they mean. 'public' members are accessible anywhere, 'private' members are accessible only by the same class and friends, etc. What I'm wondering is what, if anything, this equates to in lower-level terms. Are their any post-compilation functional differences between these beyond the…Read the article
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C++: Initialization Order for Member Classes
- by Nikhil
In the following code, when the ctor of X is called will the ctor of A or B be called first? Does the order in which they are placed in the body of the class control this? If somebody can provide a snippet of text from the C++ standard that talks about this issue, that would be perfect. class A; class B; class X { private: A a; B b; }Read the article
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unprotected access to member in property get
- by Lenik
I have a property public ObservableCollection<string> Name { get { return _nameCache; } } _nameCache is updated by multiple threads in other class methods. The updates are guarded by a lock. The question is: should I use the same lock around my return statement? Will not using a lock lead…Read the article
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IIS_WPG (and IIS_IUSRS) member of "Authenticated Users" group?
- by krile
Hello, i need a confirmation that IIS_WPG and the newer one IIS_IUSRS are also members of the "Authenticated Users" group. Can someone confirm this or am i beeing wrong? Thanks in advance! Regards, KrileRead the article
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Friendly way to override `const`-overloaded member function?
- by xtofl
Given a base class class A { int i; public: int& f(){ return i;} const int& f() const { return i;} }; And a sub class class ConstA : private A { public: const int& f() const { return A::f(); } }; Is there a wrist-friendly way to access the ConstA::f method on a non-const variable? ConstA ca; int i = ca.f(); //…Read the article
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In a class with no virtual methods or superclass, is it safe to assume (address of first member vari
- by Jeremy Friesner
Hi all, I made a private API that assumes that the address of the first member-object in the class will be the same as the class's this-pointer... that way the member-object can trivially derive a pointer to the object that it is a member of, without having to store a pointer explicitly. Given that I am willing to make sure that the…Read the article
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Accessing subclass members from a superclass pointer C++
- by Dr. Monkey
I have an array of custom class Student objects. CourseStudent and ResearchStudent both inherit from Student, and all the instances of Student are one or the other of these. I have a function to go through the array, determine the subtype of each Student, then call subtype-specific member functions on them. The problem is, because…Read the article
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Fatal error with Custom Magento Module on one server but not the other
- by Jack
Hi, I am creating my own custom module in Magento and during testing on a Litespeed server (PHP v5.2.14) I am getting a Fatal Error: Call to a member function batch() on a non-object in ../../../BatchController.php on line 25 that was not appearing during testing on another linux server and a wamp server (PHP v5.2.11). This one…Read the article
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PowerShell Script to Enumerate SharePoint 2010 or 2013 Permissions and Active Directory Group Membership
- by Brian T. Jackett
Originally posted on: http://geekswithblogs.net/bjackett/archive/2013/07/01/powershell-script-to-enumerate-sharepoint-2010-or-2013-permissions-and.aspx In this post I will present a script to enumerate SharePoint 2010 or 2013 permissions across the entire farm down to the site (SPWeb) level. As a bonus this…Read the article
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How can I assign pointer member with long string?
- by Nano HE
Hi, When I did the practice below to erase my pointer member and assign new value to it. (*pMyPointer).member.erase(); (*pMyPointer).member.assign("Hello"); // Successfully Than I tried more... (*pMyPointer).member.erase(); (*pMyPointer).member.assign("Long Multi Lines Format String"); // How to? If the long multi…Read the article
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Wordpress Custom Post Type adding tags
- by Nick White
I am currently working on a Wordpress site I have created some custom Post Types all work fine create the post etc. What I need however is custom taxonomies with some of the custom Post Types, I have set this up and when adding different tags to the taxonomy it works however, when creating a post for a custom post type…Read the article
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Enhanced Dynamic Filtering
- by Ricardo Peres
Remember my last post on dynamic filtering? Well, this time I'm extending the code in order to allow two levels of querying: Match type, represented by the following options: public enum MatchType { StartsWith = 0, Contains = 1 } And word match: public enum WordMatch { AnyWord = 0, AllWords = 1, …Read the article
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How to access this data in PHP?
- by George Edison
Okay. Now I give up. I have been playing with this for hours. I have a variable name $data. The variable contains these contents: array ( 'headers' => array ( 'content-type' => 'multipart/alternative; boundary="_689e1a7d-7a0a-442a-bd6c-a1fb1dc2993e_"', ), 'ctype_parameters' => array ( …Read the article
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Can the SQlMembershipProvider be used with umbraco
- by januszstabik
Does anybody have an examples of this, from what I've read umbraco kicks up a bit of a stink but I can't find any examplesRead the article
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Invalid conversion from int to int** C++
- by user69514
Not sure why I'm getting this error. I have the following: int* arr = new int[25]; int* foo(){ int* i; cout << "Enter an integer:"; cin >> *i; return i; } void test(int** myInt){ *myInt = foo(); } This call here is where I get the error: test(arr[0]); //here i get invalid…Read the article
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Instance variables vs. class variables in Python
- by deamon
I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (what won't happen), all instance should have the same configuration. I wonder which of the following…Read the article
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What does it mean to say "Instance variables are not over-rided" in java?
- by Ankit
I am aware of the concept called field hiding in java. But still I am having a confusion in relation to instance variable being not over-ridden. According to my present knowledge, overriding a method of super-class means that the JVM will call the sub-class's over-ridden method though the…Read the article
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Callback function and function pointer trouble in C++ for a BST
- by Brendon C.
I have to create a binary search tree which is templated and can deal with any data types, including abstract data types like objects. Since it is unknown what types of data an object might have and which data is going to be compared, the client side must create a comparison function and…Read the article
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I'm new to C++. Please Help me with the Linked List (What functions to add)?
- by Igal
DEAR All; Hi, I'm just beginner to C++; Please help me to understand: What functions should be in the Linked list class ? I think there should be overloaded operators << and ; Please help me to improve the code (style, errors, etc,) Thanks for advance. …Read the article
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gae error:AttributeError: 'NoneType' object has no attribute 'user_is_member'
- by zjm1126
class Thread(db.Model): members = db.StringListProperty() def user_is_member(self, user): return str(user) in self.members and thread = Thread.get(db.Key.from_path('Thread', int(id))) is_member = thread.user_is_member(user) but the error is : Traceback (most recent call…Read the article
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How to access the members of this data in PHP?
- by George Edison
Okay. Now I give up. I have been playing with this for hours. I have a variable name $data. The variable contains these contents: (extracted by using var_export()) array ( 'headers' => array ( 'content-type' => 'multipart/alternative;…Read the article
