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How does the main() method work in C?
...t lists, is one of those features.
Programmers noticed that they can pass extra arguments to a function, and nothing bad happens with their given compiler.
This is the case if the calling conventions are such that:
The calling function cleans up the arguments.
The leftmost arguments are closer t...
MySQL - How to select data by string length
Is there a MySQL function to do this (of course instead of string_length )?
6 Answers
...
Difference between char* and const char*?
...
char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are required to give error messages when you try to do so. ...
What is a good Hash Function?
...l, with an order of magnitude more collisions than we want. In particular, strings that differ only in the last 4 bytes can collide easily. If you have a 30 character string, that differ in the last 4 bytes, after 28 bytes have been processes, the hashes differ only in the last 2 bytes. That means y...
@synthesize vs @dynamic, what are the differences?
...ace Book : NSObject
{
NSMutableDictionary *data;
}
@property (retain) NSString *title;
@property (retain) NSString *author;
@end
@implementation Book
@dynamic title, author;
- (id)init
{
if ((self = [super init])) {
data = [[NSMutableDictionary alloc] init];
[data setObject:...
What is the difference between char s[] and char *s?
In C, one can use a string literal in a declaration like this:
13 Answers
13
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How to split a string with any whitespace chars as delimiters
What regex pattern would need I to pass to java.lang.String.split() to split a String into an Array of substrings using all whitespace characters ( ' ' , '\t' , '\n' , etc.) as delimiters?
...
Please explain the exec() function and its family
... family have different behaviours:
l : arguments are passed as a list of strings to the main()
v : arguments are passed as an array of strings to the main()
p : path/s to search for the new running program
e : the environment can be specified by the caller
You can mix them, therefore you have:
...
Removing a list of characters in string
I want to remove characters in a string in python:
18 Answers
18
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What is the difference between char array and char pointer in C?
...s done with the data are separate concerns. This example prints the entire string because that is how printf handles the %s format string: start at the address provided and continue until encountering null terminator. If you wanted to print just one character you could use the %c format string, for ...