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How to merge YAML arrays?
...ng has to be done
up-front, and duplicates data (space inefficient) but is fast in value
lookup. When using the round-trip-loader, you want to be able to dump
the merges unmerged, so they need to be kept separate. The dict like
datastructure loaded as a result of round-trip-loading, is space
efficie...
What is the difference between the kernel space and the user space?
... only uses 0 and 3:
0 for kernel
3 for users
This is the most hard and fast definition of kernel vs userland.
Why Linux does not use rings 1 and 2: CPU Privilege Rings: Why rings 1 and 2 aren't used?
How is the current ring determined?
The current ring is selected by a combination of:
globa...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...king I/O and I found several people stating that non-blocking I/O would be faster than blocking I/O. For example in this document .
...
What's the best way of scraping data from a website? [closed]
...ad. Regex and array/sting manipulation is clumsy but on the plus side it's fast and everywhere.
– pguardiario
Mar 5 '14 at 1:01
3
...
How expensive is RTTI?
...l;dr: RTTI in GCC uses negligible space and typeid(a) == typeid(b) is very fast, on many platforms (Linux, BSD and maybe embedded platforms, but not mingw32). If you know you'll always be on a blessed platform, RTTI is very close to free.
Gritty details:
GCC prefers to use a particular "vendor-neu...
How is this fibonacci-function memoized?
...ns. However, Haskel is functional lang and...
So, this is example of very fast Fibonacci algorithm:
fib = zipWith (+) (0:(1:fib)) (1:fib)
zipWith is function from standard Prelude:
zipWith :: (a->b->c) -> [a]->[b]->[c]
zipWith op (n1:val1) (n2:val2) = (n1 + n2) : (zipWith op val1...
Is Haxe worth learning? [closed]
...to take a coffee break while waiting ;) ). The Haxe compiler is many times faster, so fast that most of the time you don't even notice it working.
The bytecode produced is much faster than the equivalent produced by Adobe tools.
Also in the Flash realm, Haxe can "inline" functions or access the Me...
Parameterize an SQL IN clause
... we tested this and table valued parameters are DOG slow. It is literally faster to execute 5 queries than it is to do one TVP.
– Jeff Atwood
Apr 4 '11 at 5:19
4
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std::function vs template
...th clang there is no difference (see below).
Also, as multiplications are fast, talking about factors of slow-down is often not that interesting. A more interesting question is, how small are your functions, and are these calls the bottleneck in a real program?
Clang:
Clang (I used 3.2) actually ...
git merge: apply changes to code that moved to a different file
...'branch-with-edits'
Your branch is behind 'master' by 1 commit, and can be fast-forwarded.
(use "git pull" to update your local branch)
$
$ echo "edits on branch" >> file.txt
$ git commit -am "file.txt edited on branch."
[branch-with-edits 2c4760e] file.txt edited on branch.
1 file change...