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The definitive guide to form-based website authentication [closed]
...
A cryptographic hash should not be used for password storage because user-selected passwords are not strong enough (i.e. do not usually contain enough entropy) and a password guessing attack could be completed in a relatively short time by an attacker with access to the hashes. This is why KDFs are...
What does “fragment” mean in ANTLR?
... and results:
Alphabet.g4 (Case1)
grammar Alphabet;
content : (rule0|ANYCHAR)* EOF;
rule0 : RULE1 | RULE2 | RULE3 ;
RULE1 : [A-C]+ ;
RULE2 : [DEF]+ ;
RULE3 : ('G'|'H'|'I')+ ;
ANYCHAR : . -> skip;
Result:
# Input data (for reference)
# ABBCCCDDDDEEEEE ABCDE
# FFGGHHIIJJKK FGHIJK
# ABCDEF...
What's the need of array with zero elements?
...ther words, if you have:
struct something
{
/* other variables */
char data[];
}
struct something *var = malloc(sizeof(*var) + extra);
You can access var->data with indices in [0, extra). Note that sizeof(struct something) will only give the size accounting for the other variables, i....
Is “inline” without “static” or “extern” ever useful in C99?
...efore, the following example might not
behave as expected.
inline const char *saddr(void)
{
static const char name[] = "saddr";
return name;
}
int compare_name(void)
{
return saddr() == saddr(); // unspecified behavior
}
Since the implementation might use the inline definition f...
Compare two folders which has many files inside contents
... `A' will compare equal to `a'.
-t Expands <TAB> characters in output lines.
Normal or -c output adds character(s) to the
front of each line that may adversely affect
the indentation of the original source lines
...
How to clear stringstream? [duplicate]
... efficient this way, since you avoid calling string constructor on a const char *
– Moha the almighty camel
Sep 7 '15 at 13:05
2
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How to split comma separated string using JavaScript? [duplicate]
...array = string.split(',')
and good morning, too, since I have to type 30 chars ...
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The split() method in Java does not work on a dot (.) [duplicate]
...it splits on regular expressions, and . in a regular expression means "any character".
Try temp.split("\\.").
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sed fails with “unknown option to `s'” error [closed]
.../to/something/g", containing way too many slashes.
Since sed can take any char as delimiter (without having to declare the new delimiter), you can try using another one that doesn't appear in your replacement string:
replacement="/my/path"
sed --expression "s@pattern@$replacement@"
Note that thi...
Tool to compare directories (Windows 7) [closed]
... answered Jan 3 '13 at 12:30
richardtzrichardtz
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