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Is it better to use std::memcpy() or std::copy() in terms to performance?
Is it better to use memcpy as shown below or is it better to use std::copy() in terms to performance? Why?
8 Answers
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Differences between fork and exec
...cate of the current process, identical in almost every way. Not everything is copied over (for example, resource limits in some implementations) but the idea is to create as close a copy as possible.
The new process (child) gets a different process ID (PID) and has the PID of the old process (paren...
How to optimize for-comprehensions and loops in Scala?
So Scala is supposed to be as fast as Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
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Is XSLT worth it? [closed]
...ar expressions can be a nice way to query strings.
Functional language.
Disadvantages of XSLT:
Can be obscenely verbose - you don't have to quote literal XML, which effectively means you do have to quote code. And not in a pretty way. But then again, it's not much worse than your typical SSI.
Do...
What are the differences between type() and isinstance()?
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To summarize the contents of other (already good!) answers, isinstance caters for inheritance (an instance of a derived class is an instance of a base class, too), while checking for equality of type does not (it demands identity of types and rejects instances of subtypes, AKA subclas...
Ruby, !! operator (a/k/a the double-bang) [duplicate]
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answered Oct 22 '10 at 5:07
icktoofayicktoofay
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socket.shutdown vs socket.close
I recently saw a bit of code that looked like this (with sock being a socket object of course):
7 Answers
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How does the compilation/linking process work?
...the #includes, #defines and other preprocessor directives. The output of this step is a "pure" C++ file without pre-processor directives.
Compilation: the compiler takes the pre-processor's output and produces an object file from it.
Linking: the linker takes the object files produced by the compile...
What is cardinality in MySQL?
What is cardinality in MySQL? Please explain in simple, non-technical language.
8 Answers
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string.charAt(x) or string[x]?
Is there any reason I should use string.charAt(x) instead of the bracket notation string[x] ?
6 Answers
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