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What's the difference between design patterns and architectural patterns?
...tailed explanation but I will try to sketch the differences to best of my knowledge.
Patterns are distilled commonality that you find in programs. It allows us to deconstruct a large complex structure and build using simple parts. It provides a general solution for a class of problems.
A large co...
Do sessions really violate RESTfulness?
...ata is attached automatically to cookie headers by every request. I don't know of a REST constraint which has problem with that kind of technology. So there is no problem with the technology itself, the problem is with its usage. Fielding wrote a sub-section about why he thinks HTTP cookies are bad....
How do I base64 encode (decode) in C?
...
I know this question is quite old, but I was getting confused by the amount of solutions provided - each one of them claiming to be faster and better. I put together a project on github to compare the base64 encoders and decode...
Undefined, unspecified and implementation-defined behavior
...clude <iostream>
int main()
{
char* p = "hello!\n"; // yes I know, deprecated conversion
p[0] = 'y';
p[5] = 'w';
std::cout << p;
}
The variable p points to the string literal "hello!\n", and the two assignments below try to modify that string literal. What does this p...
How to validate an email address using a regular expression?
...me web page as was the address.
Confirmation tokens are the only way to know you got the address of the person entering it. This is why most mailing lists now use that mechanism to confirm sign-ups. After all, anybody can put down president@whitehouse.gov, and that will even parse as legal, but it...
Compiled vs. Interpreted Languages
...ler (gcj) and an interpeter for a superset of Java (bsh). So what is Java now? Bytecode-compiled, native-compiled or interpreted?
Other languages, which are compiled as well as interpreted, are Scala, Haskell or Ocaml. Each of these languages has an interactive interpreter, as well as a compile...
git-svn not a git command?
...
git svn is certainly bundled with Git now on Windows :)
– Tod Thomson
Dec 13 '13 at 0:50
1
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Why is it possible to recover from a StackOverflowError?
...ny object it may have touched must be assumed to be broken. As you do not know which function the stack overflow occured in, only that it must be a descendant of the try block that caught it, any object that may be modified by any method reachable from there is now suspect. Usually it is not worthwh...
Is there a Pattern Matching Utility like GREP in Windows?
...e tools requires more work. That being said, findstr is my tool of choice now when using others' computers, but I have to refresh my memory on syntax every time I use it.
– sage
Apr 2 '14 at 19:57
...
What is the most effective way for float and double comparison?
...the order of operations can produce different results, it is important to know how "equal" you want the numbers to be.
Comparing floating point numbers by Bruce Dawson is a good place to start when looking at floating point comparison.
The following definitions are from The art of computer progr...