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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 -
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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
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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
3
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Script entire database SQL-Server
... data, and then use our own database tool which allows keyword parsing and token based replacement in scripts. It also ensures scripts are only applied once.
Why?
We need to support installations on SQL Server 2000, 2005 and 2008, and there are changes to data types between versions, e.g. 2005+ ...
Set UILabel line spacing
... it with sub-classing UILabel, basically idea is to divide label text into tokens, and then identity length of each token, create a separate label for each token and append one after another. Thats it.
– Matrix
Oct 13 '10 at 11:41
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How can I reliably determine the type of a variable that is declared using var at design time?
...int where code insight is desired) and the lexer turns this into a special token (it's called the kibitz token). Whenever the parser meets this token (which could be anywhere) it knows that this is the signal to send back all the information it has back to the editor. It does this using a longjmp be...
Why are hexadecimal numbers prefixed with 0x?
...his is great because
an integer constant now always consists of a single token,
the parser can still tell right away it's got a constant,
the parser can immediately tell the base (0 is the same in both bases),
it's mathematically sane (00005 == 05), and
no precious special characters are needed (a...