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Nullable vs. int? - Is there any difference?
...hat in the parsing phase after an is (or an as) operator, when we face a ? token we check if the next token can be interpreted as a unary operator (& could be one) and if so: the parser doesn't care about the possibility of the ? token being a type modifier, it simply uses the type before it, an...
How to “inverse match” with regex?
... This doesn't work. You're thinking of the Tempered Greedy Token idiom. but the dot has to go after the lookahead, not before. See this question. But that approach is overkill for this task anyway.
– Alan Moore
Aug 9 '16 at 9:42
...
What's the algorithm to calculate aspect ratio?
...1% (w x h prevalence% change%)
def __init__(self, steam_line):
tokens = steam_line.split(' ')
self.width = int(tokens[0])
self.height = int(tokens[2])
self.prevalence = float(tokens[3].replace('%', ''))
# This part based on pixdiablo's gcd answer - http:...
Automatically create an Enum based on values in a database lookup table?
...
Or...lets say I allow someone in my web.config define token types for email templates for my email templating code. It would be nice if my existing enum called EmailTokens which represents those string types would be gened based off those types defined in my web.config. So if ...
What is the list of valid @SuppressWarnings warning names in Java?
...ze when overriding a synchronized method
Kepler and Luna use the same token list as Juno (list).
Others will be similar but vary.
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How does the compilation/linking process work?
...d #ifndef directives.
The preprocessor works on a stream of preprocessing tokens. Macro substitution is defined as replacing tokens with other tokens (the operator ## enables merging two tokens when it makes sense).
After all this, the preprocessor produces a single output that is a stream of toke...
Split string in Lua?
...
If you just want to iterate over the tokens, this is pretty neat:
line = "one, two and 3!"
for token in string.gmatch(line, "[^%s]+") do
print(token)
end
Output:
one,
two
and
3!
Short explanation: the "[^%s]+" pattern matches to every non-empty string in ...
Prevent direct access to a php include file
...ed):
$includeData = file_get_contents("http://127.0.0.1/component.php?auth=token");
// In the include files (where direct access isn't permitted):
$src = $_SERVER['REMOTE_ADDR']; // Get the source address
$auth = authoriseIP($src); // Authorisation algorithm
if( !$auth ) exit('Restricted Access');
...
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...
Is it wrong to place the tag after the tag?
...ee the snippet from WebKit for example:
void HTMLParser::processCloseTag(Token* t)
{
// Support for really broken html.
// we never close the body tag, since some stupid web pages close it before
// the actual end of the doc.
// let's rely on the end() call to close things.
if...