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What is the http-header “X-XSS-Protection”?
...was disabled by the user)
X-XSS-Protection: 0 : Disable XSS protection
The token mode=block will prevent browser (IE8+ and Webkit browsers) to render pages (instead of sanitizing) if a potential XSS reflection (= non-persistent) attack is detected.
/!\ Warning, mode=block creates a vulnerability i...
Regular expression to match URLs in Java
...ly bug in Java 6 RegEx...
Simplest/Fastest solution would be to use StringTokenizer to split text into tokens, to remove tokens starting with "http://" etc., and to concatenate tokens into text again.
If you want to filter Emails from text (because later on you will do NLP staff etc) - just remove...
Coding Practices which enable the compiler/optimizer to make a faster program
...if you care about performance. For example two-dimensional arrays in C are allocated in row-major format. Traversing arrays in column major format will tend to make you have more cache misses and make your program more memory bound than processor bound:
#define N 1000000;
int matrix[N][N] = { ... }...
C++: What is the size of an object of an empty class?
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@krish_oza: you think wrong. When you allocate a variable on stack, it cannot occupy zero bytes (because different variables need different addresses), hence the size 1 minimum. After that, it is up to the compiler. Similarly with new; when the space is allocat...
What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
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Note that the lexical token is not always what that token is usually referred to. For example, ::'s name is the "scope resolution operator" but is listed in that article as T_DOUBLE_COLON. I'll +1 to you when I get some more votes :)
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What does 'const static' mean in C and C++?
... compiler is smart enough to use 42 whenever it sees foo, but it will also allocate space in the initialized data area for it. This is done because, as defined, foo has external linkage. Another compilation unit can say:
extern const int foo;
To get access to its value. That's not a good practice ...
Practical usage of setjmp and longjmp in C
...stroy the return stack (not only local variables) of routineC. So without allocating an exclusive stack (through alloca() after calling rountineB?) you will get in serious trouble with this example if used as a recipe.
– Tino
Apr 11 '15 at 19:12
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UINavigationBar custom back button without title
... controller name
self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
Swift 2
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .Plain, target: nil, action: nil)
Swift 3
self.navigatio...
How does LMAX's disruptor pattern work?
...as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
5 Answers
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AngularJS ng-style with a conditional expression
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Syntax Error: Token '%3A' is%20an%20unexpected%20token at column 9 of the expression [ng-style%3A%...
– Bernardo Dal Corno
Sep 3 '18 at 2:11
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