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What is the difference between a port and a socket?
...52.94.236:80. If all you have is address and port, you don't have enough information to tell these sockets apart. It's not enough information to identify a socket.
Addendum
Paragraph two of section 2.7 of RFC793 says
A connection is fully specified by the pair of sockets at the ends. A
loca...
Optional Parameters with C++ Macros
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Here's one way to do it. It uses the list of arguments twice, first to form the name of the helper macro, and then to pass the arguments to that helper macro. It uses a standard trick to count the number of arguments to a macro.
enum
{
plain = 0,
bold = 1,
italic = 2
};
void Print...
Best Practices: Salting & peppering passwords?
...ause it's being used as designed. It's good because it gives the user no information.
Let's look at that line again. Let's say that an attacker knows your algorithm (which is required for security, otherwise it's security through obscurity). With a traditional pepper approach, the attacker can crea...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...iable, all as an atomic operation.
my colleague said that on some platforms it's not guaranteed that reference assignment is atomic. Was my colleague correct?
No. Reference assignment is guaranteed to be atomic on all .NET platforms.
My colleague is reasoning from false premises. Does tha...
Comparing Haskell's Snap and Yesod web frameworks
...ave sessions and authentication, interfaces to several databases, and nice form handling (here and here) using digestive-functors that includes prepackaged support for arbitrarily nested dynamically sizable lists. These are just some of the growing ecosystem of pluggable snaplets. The sessions and...
Should CSS always preceed Javascript?
...n to include CSS prior to JavaScript. The reasoning is generally, of this form :
14 Answers
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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...Trivia:
Why is it called “Koenig lookup”?
Because it was devised by former AT&T and Bell Labs researcher and programmer, Andrew Koenig.
Further reading:
Herb Sutter's Name Lookup on GotW
Standard C++03/11 [basic.lookup.argdep]: 3.4.2 Argument-dependent name lookup.
1 The definitio...
Evenly distributing n points on a sphere
... it may be sufficient for what you want and improves on simply making a uniform lat/lon grid.
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Is it .yaml or .yml?
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The nature and even existence of file extensions is platform-dependent (some obscure platforms don't even have them, remember) -- in other systems they're only conventional (UNIX and its ilk), while in still others they have definite semantics and in some cases specific limits on ...
Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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