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Effects of the extern keyword on C functions
...ation, and not a definition". If I remove the line in a.c which defines i, allocates space for it and assigns a value to it, the program should fail to compile with an undefined reference. This tells the developer that he has referred to a variable, but hasn't yet defined it. If on the other hand, I...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...hortest possible substring. You would have to use either a tempered greedy token, or use non-regex approaches.
– Wiktor Stribiżew
Oct 15 '16 at 21:29
3
...
How to make remote REST call inside Node.js? any CURL?
... : 'graph.facebook.com',
port : 443,
path : '/youscada/feed?access_token=your_api_key',
method : 'POST',
headers : postheaders
};
console.info('Options prepared:');
console.info(optionspost);
console.info('Do the POST call');
// do the POST call
var reqPost = https.request(optionsp...
How can I convert NSDictionary to NSData and vice versa?
...
NSDictionary -> NSData:
NSMutableData *data = [[NSMutableData alloc] init];
NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:data];
[archiver encodeObject:yourDictionary forKey:@"Some Key Value"];
[archiver finishEncoding];
[archiver release];
// Here,...
Get first day of week in PHP?
... This answer produces inconsistent results, depending on the PHP version used: 3v4l.org/Z3k4E @LewisBuckley's solution is consistent for all versions: 3v4l.org/Eeh9c
– Chris Baker
Jun 25 '14 at 14:45
...
What is the default height of UITableViewCell?
...
If you want to calculate this on the fly, just allocate a dummy table cell and read off its height
UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"Cell"];
int height = cell.frame.size.height ;
This way you de...
CodeIgniter removing index.php from url
My current urls look like this [mysite]index.php/[rest of the slug] .
I want to strip index.php from these urls.
31 A...
What does “async: false” do in jQuery.ajax()?
... where one have to set async to false, for the code to work properly.
var phpData = (function get_php_data() {
var php_data;
$.ajax({
url: "http://somesite/v1/api/get_php_data",
async: false,
//very important: else php_data will be returned even before we get Json from the url
...
Tools for analyzing performance of a Haskell program
...ith +RTS -s
$ time ./A +RTS -s
./A +RTS -s
749700
9,961,432,992 bytes allocated in the heap
2,463,072 bytes copied during GC
29,200 bytes maximum residency (1 sample(s))
187,336 bytes maximum slop
**2 MB** total memory in use (0 MB lost due to fragmentat...
What is a 'semantic predicate' in ANTLR?
... , 89");
NumbersLexer lexer = new NumbersLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
NumbersParser parser = new NumbersParser(tokens);
parser.parse();
}
}
Test it by generating the lexer and parser, compiling all .java files and
running...