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I'm beginning android development and was going through some guides in which I tumbled across this piece of code : myEditText.setOnKeyListener (new OnKeyListener() { public boolean onKey(View v, int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { todoItems.add(0, myEditText.getText().toString()); aa.notifyDataSetChanged(); myEditText.setText(“”); return true; } return …
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Hi, I am facing some problem dealing with the qsort funtion. Basically, the below program takes in a bunch of strings from the text file "word.txt" and then implements the qsort function for sorting the list alphabatically and then displaying the sorted list. However, after the sorting is done, all …
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Hi, I created a C program which basically calculates bunch of variable values.... Although the desired output for the final version program is just a few lines, however, for debugging purpose, I've printed the variable values everytime a change is being made in-code. As a result, the output consist of …
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Hi, Is this a valid while loop? : while((grid[tr][tc]=='0'||grid[tr][tc]==s[i]) && tr<row && count<strlen(s)) { ++count; ++tr; } Although the full program compiles fine, but *sometimes* my program crashes during runtime giving me a "Access violation(Segmentation Fault)" error and the debugger points to this loop statement... By the way, I'm using … 
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Hi, Please consider the below code. [CODE=php]<html> <body> <?php $time1 = localtime(); echo $time1[0]; echo("<br /><br />"); /* HERE SOME CODES RELATED TO CERTAIN FUNCTIONS LIKE DISPLAYING OF SOME IMAGE ETC. IS EXECUTED. APPROXIMATELY IT TAKES 10 SECONDS FOR THE COMPLETE EXECUTION OF THESE FUNCTIONS. SINCE IT IS IRRELEVANT TO …
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Hi, I'm trying to develop a PHP script which will calculate the internet connection speed of the users. In order to achieve this, the script will perform 5 basic tasks : 1) Fetch the time and store the value in a variable (say: $start_time) 2) Transfer a chunk of data … 
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Hi, I have a doubt regarding inheritance of base class constructor by inherited class. I was recently going through some C++ online tutorial when I came across this piece of code: [CODE=c]#include <iostream> class Foo { public: Foo() { std::cout << "Foo's constructor" << std::endl; } }; class Bar : … 
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Hi, I'm am very new to wxwidget. After reading certain guides, I finally managed to set it up. But I'm still facing problems while executing my own 'independent program'. I'm using wxwidgets 2.8.10 and Visual studios 2008 express. This is what I did: [b]I used the below tutorial for building[/b] … |
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Please consider the below code. 1 #include <QApplication> 2 #include <QLabel> 3 int main(int argc, char *argv[]) 4 { 5 QApplication app(argc, argv); 6 QLabel *label = new QLabel("Hello Qt!"); 7 label->show(); 8 return app.exec(); 9 } Now, I'm abit doubtful about line 5. According to the book(from which I …
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In visual c++, what is the difference between these three: WindowClass.style = CS_HREDRAW | CS_VREDRAW; //Found in winmain() UpdateWindow(hWnd); // Also found in winmain() WM_PAINT //It is a switch case in funtion winproc() I unerstand that all three of them does something like to draw/redraw the client window/window. But can …
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