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RESTful Authentication
...d response. If you don't like it, just send a 403 Forbidden instead. The error page may include a method to login or a link to it. However, but biggest argument against cookies AND http authentication (regardless of whether the state is server side or client side) is that they are vulnerable to c...
Cross-browser testing: All major browsers on ONE machine
... addons.mozilla.org)
4+ Ctrl Shift K Web console Built-in
All Ctrl Shift J Error console Built-in (Extensible using Console2)
Opera
9.5+ Ctrl Shift I Opera Dragonfly Built-in
15+ Ctrl Shift J Chromium Developer Tools Built-in.
Chrome
All Ctrl Shift J Chrome Developer Tools Built-in.
Safari
...
Scala: Abstract types vs generics
... def back(x:B):A
}
The compiler will object with bunch of variance check errors
In that case you may gather all type requirements in additional trait and parametrize other traits over it
//one trait to rule them all
trait OO[O <: OO[O]] { this : O =>
type A <: AA[O]
type B <: BB[...
lexers vs parsers
...lar transducers may have others uses, such as
formalization of some syntax error handling techniques.)
BNF is just a specific syntax for presenting CF grammars.
EBNF is a syntactic sugar for BNF, using the facilities of regular
notation to give terser version of BNF grammars. It can always be
tran...
Why is a round-trip conversion via a string not safe for a double?
... - Mul64 will be called
// at most twice during the conversion, so the error won't propagate
// to any of the 53 significant bits of the result
unsigned long long val = Mul32x32To64(a >> 32, b >> 32) +
(Mul32x32To64(a >> 32, b) >> 32) +
(Mul32x32To...
What is the copy-and-swap idiom?
... swap(rhs);
return *this;
}
The fundamental idea is that:
the most error-prone part of assigning to an object is ensuring any resources the new state needs are acquired (e.g. memory, descriptors)
that acquisition can be attempted before modifying the current state of the object (i.e. *this) ...
C# Object Pooling Pattern implementation
...ses are private inner classes - that is why they don't need a whole lot of error-checking, the pool itself restricts access to them.
Throw in an enumeration and a factory method and we're done with this part:
// Outside the pool
public enum AccessMode { FIFO, LIFO, Circular };
private IItemSt...
Getting the closest string match
...
Thanks. I edited out the error. The reason I started by describing the fixed-length array was because it's easy to understand. Suffix arrays and BWT are a bit harder to grasp, but actually we do sometimes want to use an index with different values of...
What does .SD stand for in data.table in R
...he heterogeneity in this relationship as follows (noting that the standard errors from this approach are generally incorrect -- the specification ERA ~ W*teamID will be better -- this approach is easier to read and the coefficients are OK):
# use the .N > 20 filter to exclude teams with few obse...
Understanding __get__ and __set__ and Python descriptors
...
@IshanBhatt: I think that's because of the error pointed out by musiphil above. Also, not this is not my answer
– Eric
Mar 7 '16 at 14:52
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