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Search found 7 results on 1 pages for 'sepidev'.

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• How do I fix my theme?

  - by SepiDev

  After installing and using Ubuntu 11.10 for while I decided to install gnome shell. After Installing and rebooting my system I saw that Ubuntu light theme (ambiance/radiance) is gone. I check /usr/shar/themes and /usr/shar/icons, it seems that the light themes and mono icons exist. I even reinstalled gtk3-engine-unico package but none of these effort fixed my problem :( my desktop now looks like this: What should I do to get my default ubuntu theme back?

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• daynamic 2d array in c++ and memory leaks

  - by SepiDev

  Hi guys, i wrote this code, it runs ok, but when i check it under Valgrind it catches 2 problems, since i can not interpret valgrind's messages i will appreciate if anyone explain me more and tell me where is the problem!!! here is the code: #include <iostream> #define width 70000 #define height 10000 using namespace std; int main(void) { int** pint; pint = new int*[height]; for(int i = 0; i < height; i++) pint[i] = new int[width]; for(int i = 0; i < height; i++){ delete[] pint[i]; pint[i] = NULL; } delete[] pint; pint = NULL; return 1; }

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• How to link Poco library(libraries) to our program in unix environment

  - by SepiDev

  Hi, i'm having trouble with Poco libraries. I need a simple solution to make the compilation easier. Is there any pkg-config file for Poco library to use it into our make files? Or any alternative solution? Currently i use Ubuntu gnu/linux.

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• g++ and c++0x specification support

  - by SepiDev

  although it's been said that the support for c++0x new features in g++ are in experimental mode, many gcc developer claimed that you can use most of the new features in your codes and get the program to work. but when I try to compile this simple program it results in segmentation fault. Why? #include <thread> #include <iostream> void my_thread_func() { std::cout<<"hello"<<std::endl; } int main() { std::thread t(my_thread_func); t.join(); } g++ -std=c++0x -Wall -o run main.cc

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• Mutual class instances in C++

  - by SepiDev

  Hi guys. What is the issue with this code? Here we have two files: classA.h and classB.h classA.h: #ifndef _class_a_h_ #define _class_a_h_ #include "classB.h" class B; //???? class A { public: A() { ptr_b = new B(); //???? } virtual ~A() { if(ptr_b) delete ptr_b; //???? num_a = 0; } int num_a; B* ptr_b; //???? }; #endif //_class_a_h_ classB.h: #ifndef _class_b_h_ #define _class_b_h_ #include "classA.h" class A; //???? class B { public: B() { ptr_a = new A(); //???? num_b = 0; } virtual ~B() { if(ptr_a) delete ptr_a; //???? } int num_b; A* ptr_a; //???? }; #endif //_class_b_h_ when I try to compile it, the compiler (g++) says: classB.h: In constructor ‘B::B()’: classB.h:12: error: invalid use of incomplete type ‘struct A’ classB.h:6: error: forward declaration of ‘struct A’ classB.h: In destructor ‘virtual B::~B()’: classB.h:16: warning: possible problem detected in invocation of delete operator: classB.h:16: warning: invalid use of incomplete type ‘struct A’ classB.h:6: warning: forward declaration of ‘struct A’ classB.h:16: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined.

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• plug-in architecture based c/c++ application

  - by SepiDev

  I need to know how to start writing an application based on plug-in architecture. I mean how to write a base code an let others develop the application by adding the plug-ins they write. I know that there is some problems in doing such in c++. most people use another language such as python to add plug-ins to their c++ application.

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• how to cast an array of char into a single integer number?

  - by SepiDev

  Hi guys, i'm trying to read contents of PNG file. As you may know, all data is written in a 4-byte manner in png files, both text and numbers. so if we have number 35234 it is save in this way: [1000][1001][1010][0010]. but sometimes numbers are shorter, so the first bytes are zero, and when I read the array and cast it from char* to integer I get wrong number. for example [0000] [0000] [0001] [1011] sometimes numbers are misinterpreted as negative numbers and simetimes as zero! let me give you an intuitive example: char s_num[4] = {120, 80, 40, 1}; int t_num = 0; t_num = int(s_num); => 3215279148 ?????? the result should be 241 but the output is 3215279148? I wish I could explain my problem well! how can i cast such arrays into a single integer value?

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