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What are some uses of template template parameters?
...
Say you're using CRTP to provide an "interface" for a set of child templates; and both the parent and the child are parametric in other template argument(s):
template <typename DERIVED, typename VALUE> class interface {
void do_something(VALUE v) {
static_cast...
How to read a file line-by-line into a list?
How do I read every line of a file in Python and store each line as an element in a list?
28 Answers
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Fast Linux File Count for a large number of files
I'm trying to figure out the best way to find the number of files in a particular directory when there are a very large number of files ( > 100,000).
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How do I parse command line arguments in Bash?
...# save it in an array for later
shift # past argument
;;
esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters
echo "FILE EXTENSION = ${EXTENSION}"
echo "SEARCH PATH = ${SEARCHPATH}"
echo "LIBRARY PATH = ${LIBPATH}"
echo "DEFAULT = ${DEFAULT}"
echo "Number file...
Is there a “null coalescing” operator in JavaScript?
... status here.
It looks like this:
x ?? y
Example
const response = {
settings: {
nullValue: null,
height: 400,
animationDuration: 0,
headerText: '',
showSplashScreen: false
}
};
const undefinedValue = response.settings?.undefinedValue ?? 'some other default'; // result: ...
Need to reset git branch to origin version
... Is there an easy way to do this? I tried deleting the branch and then resetting up the tracking branch, but it just gives me the version I was working on again.
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Invoke a callback at the end of a transition
... FadeOut method (similar to jQuery) using D3.js . What I need to do is to set the opacity to 0 using transition() .
9 Ans...
Using awk to print all columns from the nth to the last
This line worked until I had whitespace in the second field.
24 Answers
24
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Bash function to find newest file matching pattern
...w can I find the latest (newest, earliest, oldest) file in a directory?
unset -v latest
for file in "$dir"/*; do
[[ $file -nt $latest ]] && latest=$file
done
share
|
improve this answer
...
Wrapping StopWatch timing with a delegate or lambda?
...on, int iterations)
{
sw.Reset();
sw.Start();
for (int i = 0; i < iterations; i++)
{
action();
}
sw.Stop();
return sw.ElapsedMilliseconds;
}
}
Then call it like this:
var s = new Stopwatch();
Console.WriteLine(s.Time...