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Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
...: Int, n: Int): Process[Task, Array[Int]] =
(Process emit Array.fill(sz)(0)).repeat take n
(streamArrs(1 << 25, 1 << 14).zipWithIndex
pipe process1.chunk(4)
pipe process1.fold(0L) {
(c, vs) => c + vs.map(_._1.length.toLong).sum
}).runLast.run
This should work ...
Don't Echo Out cURL
...
answered Dec 16 '09 at 22:54
Matt McCormickMatt McCormick
12.7k2020 gold badges6969 silver badges8080 bronze badges
...
What does template mean?
...Factorial<N - 1>::value };
};
template <>
struct Factorial<0>
{
enum { value = 1 };
};
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
...
FFmpeg: How to split video efficiently?
...mmands"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:...
Create module variables in Ruby
...|
edited Jul 26 '19 at 17:08
answered Apr 16 '11 at 23:52
c...
error: Libtool library used but 'LIBTOOL' is undefined
...
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edited Mar 10 at 21:02
S.S. Anne
13.1k66 gold badges2727 silver badges5959 bronze badges
a...
Why is my program slow when looping over exactly 8192 elements?
...for(i=1;i<SIZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
f...
What is the difference between children and childNodes in JavaScript?
...dNodes.length === 1; // Contains a Text node child.
el.children.length === 0; // No Element children.
Most of the time, you want to use .children because generally you don't want to loop over Text or Comment nodes in your DOM manipulation.
If you do want to manipulate Text nodes, you probably w...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
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105
You could try using the interactive option for python:
python -i program.py
This will execut...
How do you make lettered lists using markdown?
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answered Mar 15 '13 at 0:01
creativecodercreativecoder
1,1911010 silver badges77 bronze badges
...