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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...
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:...
JavaScript and Threads
...r qs = document.location.search.split('+').join(' ');
var params = {}, tokens, re = /[?&]?([^=]+)=([^&]*)/g;
while (tokens = re.exec(qs)) {
params[decodeURIComponent(tokens[1])] = decodeURIComponent(tokens[2]);
}
return params[paramName];
}
//The thread code (get the...
Iterate over each line in a string in PHP
...k will separate on either character - and as of PHP4.1.0, skip empty lines/tokens.
See the strtok manual entry:
http://php.net/strtok
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Difference between java.util.Random and java.security.SecureRandom
...team got handed over some server side code (in Java) that generates random tokens and I have a question regarding the same -
...
What are sessions? How do they work?
... in your analogy, GNASHEU329 is the user password, which generates an auth token that expires until a certain time; Mr Banks can then use the auth token to make several successive withdrawls without having to repeatedly give the teller his password?
– Daniel Lizik
...
What does $@ mean in a shell script?
... @Alfe I know;I just hat forgotten it. Think of it as for a in start_token "$@" end_token; do something_with "$a"; done :-)
– glglgl
Apr 3 '12 at 14:39
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Original purpose of ? [closed]
...to next step using hidden and keep it forwarding till the end step.
CSRF tokens.
Cross-site request forgery is a very common website vulnerability. Requiring a secret, user-specific token in all form submissions will prevent CSRF attacks since attack sites cannot guess what the proper token is a...
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...
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
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