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• Dynamic array of template objects in C++

  - by jaens

  #include <vector> using namespace std; int main() { vector<int> *list = new vector<int>[33]; delete[] list; return 0; } Any reason why the delete SIGSEGVs?

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• WPF bind IsEnabled on other controls if a listbox has a select item

  - by the empirical programmer

  I have a grid with 2 columns, a listbox in column 0 and a number of other controls in the a secondary grid in the main grids column 1. I want this controls only to be enabled (or perhaps visible) if an items is selected in the listbox through binding. I tried on a combo box: IsEnabled="{Binding myList.SelectedIndex}" But that does not seem to work. Am I missing something? Should something like this work? thanks

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• Incorrect rotation of a view controller in iOS 6

  - by XenElement

  In my app I've been using the now deprecated shouldAutoRotateToFace method. Now when using the iOS 6 simulator, all of my subviews are rotated to portrait orientation while the device is in landscape. Does anyone have any idea what could cause this? I've already tried replacing should autorotate in my main view controller with the supportedOrientations method (or whatever it is that you're now supposed to use instead).

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• xml schema construction

  - by amanrahahla

  in xml can any concept inhert the attribute of the main concept as an example: book( -author -title -isbn -price) and textbook as a subconcept from book can textbook take the same attribute of book and how?

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• [Android] Is disabling landscape mode unforgivable?

  - by Nicolas Raoul

  Our application could support landscape mode without any problem, but it is such a pain that we are thinking about forcing portrait mode. Question: Is it BAD? The main problem is that changing orientation generates random crashes on many screens. Avoiding those crashes would potentially allow us to spend more time on the core aspects of the app. Will the same crashes happen when users switch apps anyway? Also, are there landscape-oriented devices where our app will become useless?

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• How to get the duration of the video uploaded ?

  - by Holicreature

  i'm using ffmpeg to convert videos to desired formats and to generate the thumbnails.. I want to find the total duration of the video to display in the main page along with the thumbnails.. Can i use ffmpeg to find the duration when its being uploaded and store them on the database.? Is storing the duration in db is necessary or else is there any other method?

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• Dynamic library Linking at execution

  - by Carl_1789

  Hi, why did it fail to load the library at link at compilation time? i don't care about freeing the library yet it just won't work. #include <windows.h> int main() { LoadLibrary("winmm.lib"); timeGetTime(); }

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• What happens when you deallocate a reference twice or more in c++?

  - by flopex

  int main(){ Employee *e = new Employee(); delete e; delete e; ... delete e; return 0; }

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• Is flash's geturl(...) spiderable by google?

  - by tom

  If I made a homepage with an embedded .swf which had buttons that linked to other html pages on my website using the getUrl() function, would those links be spiderable by google? Or should I also put in text links outside of the .swf (which would ruin the design a bit)? I know a lot of people will argue I shouldn't have flash as the main content on the homepage (and their comments are appreciated), but bear in mind, that's not my question.

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• PHP GET Request, sending headers

  - by James Jeffery

  I need to perform a get request and send headers along with it. What can I use to do this? The main header I need to set is the browser one. Is there an easy way to do this?

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• Default string arguments

  - by John.M

  myPreciousFunction(std::string s1 = "", std::string s2 = "") { } int main() { myPreciousFunction(); } can i make the arguments look any more prettier? i want there to be empty string if no arguments were supplied.

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• how to do svn labeling.(modified)

  - by Vipin Nemade

  hi friends, I am working on linux enviournment and currently i am using svn's branch for developement purpose...but now i have to delete it and i have to work with main brach with today's date as a lebel like ..suppose my svn repostiory is "xyz" so now i want it to be like "xyz_production_lastproductionDate" than how to label it.Please share your opinion as i got stuck because of this... Thanks in advance

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• Why is this C program giving a wrong output?

  - by JMSA

  Why is this C program giving a wrong output? #include<stdio.h> void main() { float f = 12345.054321; printf("%f", f); getch(); } Output: 12345.054688 But the output should be, 12345.054321. I am using VC++ in VS2008.

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• How to make c++ console application not exit until user presses any key?

  - by user198729

  #include <iostream> using namespace std; int main() { cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!! return 0; } The exe generated by the above will exit automatically,how to change the behavior?

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• how it's answer is 36?

  - by prathamesh

  main() { int a=5; a= a++ + ++a + ++a + a++ + a++; printf("%d",a); }

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• jquery stupid error

  - by user276640

  here is url http://mrhome.ru/Home/MenuPageContent/41?q=??&pid=39 if click search, it not work (quess it because of param q) but on url http://mrhome.ru/Home/main search is work what the problem?

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• retrieve multiple display information using win32/C++

  - by mach77

  Is there any way to retrieve information about how many extra displays there are besides the main one, how they are numbered, what the dimensions are, etc? I know this is pretty easy in .net land.

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• calling a cdef in a cdef class

  - by Davoud Taghawi-Nejad

  Hello, is their any way to make this work, without sacrificing the cdef in cdef caller? (no use of cpdef either) from array import * from numpy import * cdef class Agents: cdef public caller(self): print "caller" A[2].called() cdef called(self): print "called" A = [Agents() for i in range(2)] def main(): A[1].caller()

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• Why when I try to instantiate a class instance, do I get StackOverFlowException?

  - by flockofcode

  I keep getting StackOverFlowException whenever I instantiate an instance of A class. I know it has got something to do with the fact that A.b field is of type derived from class A. But why would that cause an exception? static void Main(string[] args) { A a = new A(); // exception } class A { private B b = new B(); } class B:A {} thank you

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• Access "currentState" from other classes?

  - by Herter

  I'm making a little application in Actionscript 3. In my initApp.as I have created another class which needs to edit the currentState, which is only accessible from the main .as (initApp.as). I found a solution such that I can reach the currentState property from my other class: Application.application.currentState. This is however not a good solution as it couples the classes too much.. is there a better way of editing the currentState from other classes?

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• autoreferencing this class to use in another for c++

  - by atomsfat

  in java we can do this: public class A{ public static void main(String...str){ B b = new B(); b.doSomething(this); //How I do this in c++ ? the this self reference } } public class B{ public void doSomething(A a){ //Importat stuff happen here } } How can I do the same but in c++, I mean the self reference of A to use the method in B ?

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• Access location variable in another process

  - by user295944

  I have a locationmanager in my main program which is called HomeViewController which I get the latitude and longitude and store them in LAT and LON. I can use LAT and LON in HomeViewController just fine. Once I go to another controller which is sending pictures and setting properties on flicker I want to use LAT and LON, how do I do this? I tried putting HomeViewController.LAT but obviously that does not work, I'm pretty new to the language so I am confused.

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• Why the function from immediate parent is called and not from grandparent class. Is this called func

  - by sandeep

  class A { public: void test () { cout<<"In A"; } }; class B :public A { public: void test () { cout<<"In B"; } }; class C : public B { public: int c; }; int main() { C c; c.test(); } The result is: In B...

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• Why does a+1 and &a+1 give different results when a is an int array using c?

  - by shraddha

  int main() { int a[]={1,2,3,4,5,6,7,8,9,0}; printf("a = %u , &a = %u\n",a,&a); printf("a+1 = %u , &a+1 = %u\n",a+1,&a+1); } how a and &a are internally interpreted?

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• Why doesn't this C++ code work? [closed]

  - by Jon Skeet

  Here is it: #include <iostream> using namespace std; int main() { int * m; cout << *m; } I know it's bad, but why?

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