Hi How do I automatically set a dynamically allocated array of floats to zero(0.0) during allocation Is this OK float* delay_line = new float[filter_len]; //THIS memset(delay_line, 0.0, filter_len); //can I do this for a float?? //OR THIS for (int i = 0; i < filter_len; i++) delay_line[i] = 0.0; Which is the most efficient way ...
how to initialize a variable of data type integer, in c sharp. the problem is the variable has to store an integer with values ranging from 1 to 4. ...
I'm learning C++ at the moment, C++ Primer plus. But I just felt like checking out the cplusplus website and skip a little forward to file handling. I pretty much know the basics of file handling coming from java, php, visual basic. But I came across a pretty weird line. ostream os(&fb); fb represents a filebuf. I just don't get the ...
I'm using NetBeans IDE 6.8 (Mac Version). which tool of their GUI builder will assist me in doing this? What I want is is to show the user an image while my application is loading for couple of seconds before I show him the application. How can I do that? initializing ...
I have a refreshDisplay: method that calls the setString: method of an NSTextView. I can save, and load, but when I load even though my program loads the data, it does not display it on the NSTextView as it should. I did a check and that NSTextView seems to be nil when I load, which is why the setString: method does not do anything to it...
I need to do a simple thing, which I used to do many times in Java, but I'm stuck in C (pure C, not C++). The situation looks like this: int *a; void initArray( int *arr ) { arr = malloc( sizeof( int ) * SIZE ); } int main() { initArray( a ); // a is NULL here! what to do?! return 0; } I have some "initializing" fun...
I am trying to make a program that works with poker (texas holdem) starting hands; each hand has a value from 1 to 169, and i want to be able to input each card and whether they are suited or not, and have those values correspond to a series of structs. Here is the code so far, i cant seem to get it to work (im a beginning programmer). ...
I try to send some struct into STL list; struct obj { int a; int b; } list < struct obj> mylist; struct obj a = { 0, 1}; mylist.push_back ( a); Is there any other way to initialize argument of push_back? For example: mylist.push_back ( struct obj a ={0, 1}); g++ tells me: expected primary-expression before "struct"; ...