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C++ preprocessor __VA_ARGS__ number of arguments
...GS__})/sizeof(int))
Full example:
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#define NUMARGS(...) (sizeof((int[]){__VA_ARGS__})/sizeof(int))
#define SUM(...) (sum(NUMARGS(__VA_ARGS__), __VA_ARGS__))
void sum(int numargs, ...);
int main(int argc, char *argv[]...
How do I use Ruby for shell scripting?
....basename('dir/file.txt') #=> 'file.txt'
File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings'
__FILE__ #=> the name of the current file
Also useful from the stdlib is FileUtils
require 'fileutils' #I know, no underscore is not ruby-like
include FileUtils
# Gives you access ...
How do I wrap text in a UITableViewCell without a custom cell
...eView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *cellText = @"Go get some text for your cell.";
UIFont *cellFont = [UIFont fontWithName:@"Helvetica" size:17.0];
CGSize constraintSize = CGSizeMake(280.0f, MAXFLOAT);
CGSize labelSize = [cellText sizeWithFo...
Is it safe to use Project Lombok? [closed]
...le range for a numeric value? Or the permissible length and/or format of a String value? Or whether a String value is suitable for presenting to an end user? Or documenting what the property actually means, when its name can't possibly explain it in full? (JList.getLayoutOrientation and JList.setLay...
How to split long commands over multiple lines in PowerShell
...
Ah, and if you have a very long string that you want to break up, say of HTML, you can do it by putting a @ on each side of the outer " - like this:
$mystring = @"
Bob
went
to town
to buy
a fat
pig.
"@
You get exactly this:
Bob
went
to town
to buy
a fat...
Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
... I did not mean the environment variable. I only meant where this string appeared "#!"C:\Program Files (x86)\Python33\python.exe" I was able to find out where it was though using a hex editor. However using Sublime Text no such string was visible. Can you think of any reason why the path is...
How to properly URL encode a string in PHP?
... this rule always the empirical one? I mean, when I need to encode a query string I always use urldecode. Then, what about the URI path (e.g. /a/path with spaces/) and URI fragment (e.g. #fragment). Should I always use rawurldecode for these two?
– tonix
Sep 12...
Cost of len() function
What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary)
5 Answers
...
python design patterns [closed]
...ttributes."
return self
def __repr__(self):
"Return a string representation."
return "<Null>"
def __str__(self):
"Convert to a string and return it."
return "Null"
With this, if you do Null("any", "params", "you", "want").attribute_that_doesn...
Convert datetime object to a String of date only in Python
I see a lot on converting a date string to an datetime object in Python, but I want to go the other way.
I've got
11 A...