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Hi there, I want to display images from internal storage into grid view. I have tried this code but i think its for external storage. File file= new File(android.os.Environment.getExternalStorageDirectory(),"image"); Kindly help me I don't have that much experience. Thank you.

Hi there, I am stuck in a problem in which my function rounds off a decimal point number upto 4 decimal place and return a 0.0000 number. But when i compare this returned number to 0 it did not return true in if condition. Please check my code below and …

Hi everyone, Please check my code below and tell me that why double stores number upto 3 decimal places ? #include <iostream> using namespace std; int main() { double dNo; dNo = 363.430965; cout<<"double no : " <<dNo <<endl; //cout only outputs dNo value upto //3 decimal places return 0; …

Hi everyone, My program is crashing on taking input of alpha-numeric and store it in char[]. I don't know why, please anyone help ! sample input : C9H8O4MgOH #include <iostream> #include <string.h> using namespace std; bool hydroxide(char[]); int main() { char formula[] = ""; cout<<"Enter chemical formula : "; cin …

Hi there, How to set vector size in Class ? I have set vector size at time of daclaration but it does not work. And should we have to deallocate vector memory in destructor ? #include <iostream> #include <vector> //included to use vector using namespace std; class VectorDemo { private: …

Hi there, I need explanation for the range of data type say character which is 1byte ranges from -127 to 127 or 0 to 255. I did not understand what it means and how can I check the range of characters. Does it means it can store only values from …

i received bytes data from some other function to myfunction(const void *data) where pointer data stores the values like {0,0,0,0,0,0,0,40,20,0,0,0,0,0,0}. I created an array data1 to store the values {40,20,0,0,0,0,0,0} from the above values considering endianess issue i also reversed data1 and used memcpy to copy data1 but having problem …

Hi there, I am having problem with deallocating string two-dimensional dynamic array. My program works fine but for some conditions such as when row size is greator than column size in 2d dynamic array, the program crashes when it goes into destructor. My program is as follows : #include <iostream> …

Hi there, I know this question is very common but I still didn't understand that why we can't check if array is not initialized. Isn't there a way to check an array is initialzed by any values(int, double). I am working on array based program, in which I have to …

Hi there, I need getch() type function for int through which I can take input from user, to store it in int variable. I actually want to use in menu from which user selectes any number to call that function to carray that task. Reason of using getch() function is …

Hi there, Is there a way to change strings array size on run time. I mean array size initial value is 1, when i run the program, how much user add values array size increases. I have tried following but its not working, please i need a solution in array …

Hi there, I have a question related to C++ functions. If a boolean return type function contains too many returns in it, does it cause any problem ?? In my program one of the bool function contains too many return statements, in if conditions. And interesting thing is that it …

Hi there, I want to know about wchar_t data type i.e. how it is used and why we use it. And also what is the difference between char and wchar_t. One last thing why we write L before wchar_t initialization. #include <iostream.h> void main() { wchar_t w; w = L'A'; …

Hi there, I am implementing simple student class when i run the program it crashes after getting input for char* name. Program is as follows. #include <iostream> using namespace std; class Student { private: char* name; int rollNo; float cgpa; public: Student() { name = ""; rollNo = 0; cgpa …

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Hi there, Is there a way to check a variable if it is not initialzed by value ? I need a check for all datatypes. int num; if(!(numIsNotInitialized)) num = 12; else cout<<"num : " <<num <<endl;

Hi there, I am implementing the concept of polymorphism and write following program of shapes. #include <iostream> using namespace std; class Shape { protected: double width, height; public: void set(double w, double h) { width = w; height = h; } virtual double get() { return 0; } }; class …

Write a C++ program to display your personal information: Name: A. Another School: Tuungane High School County: Umoja Year Joined: 2004 Subjects: Mathematics, Computer Studies, English School KCSE Mean: 9.82

Write a program that asks the user to enter the number of Research projects done by 10 different students (Student 1, Student 2, ..., Student 10). Once the data has been entered the program must analyze the data and output the student who did the most Research projects

# include <iostream.h> # include <conio.h> int main() { float income=0; int tax=0; float r1=0.0; float r2=0.1; float r3=0.2; float r4=0.3; float r5=0.4; float r6=0.5; cout<<"Enter income:"; cin>>income; if(income>=100,001) tax=income*r6; else if(income<=100,000 && income >=70,001) tax=income*r5; else if(income>=70,000 && income >=50,001) tax=income*r4; else if(income>=50,000 && income >=30,001) tax=income*r3; else if(income>=30,000 …

I need help reading lines from text files. I have been trying to read the first line just using getline(stream,line) assuming that my text file starts on the first line. This line of the text file is supposed to tell you how many lines there are so the next step …

the program exites as soon as it reaches the end but I want it to ask the user if they want to exit or continue again?

can you guys please help me out??

Write a program that counts words, characters, uppercase letters, lowercase letters, digits and special characters in a phrase

Hi there, I have read that when we create object of a class, its default constructor is automatically called and default constructor assigns default values to variables e.g. to int it assigns 0 and to float it assigns 0.0 ... But I have write a program in which I have …

Hi there, What is the easiest way to declare and initialize 2d dynamic array in class in C++ ?? Please tell me the easiest way, I have used 2d dynamic array in Java. Thanks !

Hi there, I need help in making class diagram. What are the attributes of staff of University its behaviours(functions) of staff ?? The attributes which i figured out are name, id, salary, dateOfJoining, qualification. But I can't figure out functions. Anyone please help.

Can we access updated public variable of one class in another class without inheritance. Just like below. This class A which have public int variable x. In updateValue function i have updated x value. class A { public: int x; A() { x=0; } void updateValue() { for(int i=1; i<=5; …

Hi guys ! I am newbie, I have downloaded oracle 11g release 2 but i don't know where to start and how to connect C# program to database. I want to write simple program of username and password in which I it stored in database. And also maps the username …

Hi there, I am using code blocks and working on bank account programe. I have three classes but just included main function code. My programe works all fine, in which user create account and then deposite initial balance **but before end of do while loop, there is getline function to …