My question is about how "Least Recently Used" (LRU) algorithms are actually implemented. For example, if you are writing a database program and you have a cache which keeps commonly used pag...
HOW TO FIND THE LENGTH OF A STRING WITHOUT USING STRLEN METHOD
can any one provide me algorithm / with pgm for the Shortest Job First algoritm for both preempitive and non preempitive
I want t beable to use the batch file "ERRORLEVEL" based on the return value of my program.
My program looks something like this:
int main(void)
{
If (x == TRUE)
return 1...
I compiled the code below using:
gcc voidpointer.c -o voidpointer -Wall and I got a warning message:
Warning: unsigned int format, pointer arg (arg 3)
Also, please answer my question (comment...
i have an unsorted text file as an input to my application. I've been trying to srot that text file but i can't seem to find a proper way to do it.
I'm sure there are several ways to to sor...
Hello,
I am using an IAR Compiler ( C ).
I have several connected files, in the first file I defined:
typedef enum {JUMP= 1 ,
WALK=2,
...
The code below is used in order to try and cast / convert a structure to a char pointer. Why do i want to do this? I want to print the representing bytes so that i afterwards can cast from a s...
When I compile this in GCC with the -Wall option (required in my class) I get:
Warning: statement with no effect
This is on the lines where newX and newY are assigned values. I don't und...
Hello,
I am having an issue with a function I have written accepting input as a string and converting it to a float usint atof(). When it is run it accepts the string beutifully but does f...
Hello,
I'm trying to encrypt a symmetric key using RSA with OpenSSL my code looks something like
(for mingw) : in the example the symmetric key is replaced by the word "hello"
int main...
Hi guys,
I have a Turbo C 3.0 compiler and I got an error when linking the program that says UNABLE TO OPEN FILE TV.LIB! I did a search it in my computer and I can't find it!
Does someon...
i have a project to do in Visual C++ which requires delays like 4 milliseconds!
unlike in Turbo C the "delay(int milli)" doesnt work! can anyone help me with a simple time delay?
Thanks
Hello,
I have the following case:
I want my function to calculate something and return me back 2 pointers.
Because function can return only one parameter, I pass an adress on the second p...
Hi all,
How can i convert a double number to an array of char, or a pointer to char??
Ex:
double d = 593.90;
char mesg[255]; // or char * mesg;
how the variable mesg can obtain "5...
hi,
i know this question has been answer a million times before but for some reason i can't find a proper answer to this problem
i have a char * that consists in 3 values separated by com...
I am using an old C compiler for an 8051 microcontroller.
There is no strtol function, althoiugh I have sprintf, printf.
I am trying to convert 2 hex chars within a buffer to a single char...
I am trying to use libcurl to access remote web pages via a bank of anonymous web proxies. I can go to a particular web proxy URL (for example http://www.antifilters.info/) and retrieve their...
Hi,
I am writing a makefile rule and I want to write a conditional statement.
What is the correct syntax to do this?
Thanks
Jamie
rule_1:
@ if [ ${one} == ${two}] ; then \
...
int i, j;
i=10;
i < 10 ? j = 2 ; j = 3 gives error Lvalue Required But ..
i < 10 ? j = 2 ; ( j = 3 ) works.
WHY ?
which is the easiest way to invert a matrix in C?
Where can I get the code from The C Progaramming Language, and the solutions to the exercises in it (I have the book but hate typing) I can't find a copy of it anywhere, but my preference woul...
Hi,
I remember in C++, you can do a cin>>ws to read the white space,
can I do the similar thing in C? Thanks!
I want to get a handle on these win32 stuff. I understand that in stdcall the function clean up the stack before returning. cdecl the caller clean up the stack? what about the declspec and t...
I need to use good 'ole character arrays in a C++ class. Also, this is an embedded system so no dynamic memory allocation.
I've declared the array as a private member:
private:
...
