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warning: implicit declaration of function
...s to declare function prototype in header.
Example
main.h
#ifndef MAIN_H
#define MAIN_H
int some_main(const char *name);
#endif
main.c
#include "main.h"
int main()
{
some_main("Hello, World\n");
}
int some_main(const char *name)
{
printf("%s", name);
}
Alternative with one file...
How to sum array of numbers in Ruby?
... using array.map(...).inject(...) is inefficient, you will iterate through all data twice. Try array.inject(0) { |sum, product| sum += product.price }
– everett1992
Apr 4 '13 at 6:11
...
Temporarily disable auto_now / auto_now_add
...s:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.objects.get(pk=1)
# force a timestamp
lastweek = datetime.datetime.now() - datetime.timedelta(days=7)
FooBar.obj...
Passing arguments to C# generic new() of templated type
...tion you must constrain it with the "new" flag.
public static string GetAllItems<T>(...) where T : new()
However that will only work when you want to call the constructor which has no parameters. Not the case here. Instead you'll have to provide another parameter which allows for the cr...
Passing $_POST values with cURL
How do you pass $_POST values to a page using cURL ?
8 Answers
8
...
What is the difference between statically typed and dynamically typed languages?
I hear a lot that new programming languages are dynamically typed but what does it actually mean when we say a language is dynamically typed vs. statically typed?
...
Convert UTC date time to local date time
...ght local time which in my case would be two hours later (DK time).
You really don't have to do all this parsing which just complicates stuff, as long as you are consistent with what format to expect from the server.
share
...
fork() branches more than expected?
...
when i=0
Process_1: Buffered text= 1 dot
Process_2(created by Process_1): Buffered text= 1 dot
when i=1
Process_3(created by Process_1): Inherit 1 buffered dot from Process_1 and prints 1 dot by itself. In total Process_3 prints 2 dots.
...
How can I make git ignore future revisions to a file?
... ignore changes to that file, both local and upstream, until you decide to allow them again with:
git update-index --no-skip-worktree default_values.txt
You can get a list of files that are marked skipped with:
git ls-files -v . | grep ^S
Note that unlike --skip-worktree, the --assume-unchange...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...have installed gdb 7.5.1 with homebrew (motivation get a new gdb with new features such as --with-python etc... )
10 Answe...