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GroupBy pandas DataFrame and select most common value
...pd.Series.mode)
5.56 ms ± 343 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
2.76 ms ± 387 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
Dealing with Multiple Modes
Series.mode also does a good job when there are multiple modes:
source2 = source.append(
pd.Serie...
How do I undo the most recent local commits in Git?
...01: bad commit # Latest commit. This would be called 'HEAD'.
commit 100: good commit # Second to last commit. This is the one we want.
To restore everything back to the way it was prior to the last commit, we need to reset to the commit before HEAD:
git reset --soft HEAD^ # Use --soft ...
String output: format or concat in C#?
...ided the result by some iterations was wrong. See what happens if you have 1000 milliseconds and 100 milliseconds. In both situations, you will get 0 ms after dividing it by 1000000.
Stopwatch s = new Stopwatch();
var p = new { FirstName = "Bill", LastName = "Gates" };
int n = 1000000;
long fElap...
const vs constexpr on variables
... value that is known at compile time.
For example:
constexpr int max = 100;
void use(int n)
{
constexpr int c1 = max+7; // OK: c1 is 107
constexpr int c2 = n+7; // Error: we don’t know the value of c2
// ...
}
To handle cases where the value of a “variable” that is initial...
What's the Hi/Lo algorithm?
... @SequenceGenerator(name="name", sequenceName = "name_seq", allocationSize=100) for my IDs.
– Stefan Golubović
Oct 29 '19 at 18:33
...
C# switch statement limitations - why?
...
100
This is my original post, which sparked some debate... because it is wrong:
The switch sta...
Handle file download from ajax post
...
setTimeout(function () { URL.revokeObjectURL(downloadUrl); }, 100); // cleanup
}
}
};
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.send($.param(params));
Here is the old version using jQuery.ajax. It might mangle binary data when the respo...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
...ar:
dialog --gauge "Filling the tank" 20 60 0 < <(
for i in {1..100};do
printf "XXX\n%d\n%(%a %b %T)T progress: %d\nXXX\n" $i -1 $i
sleep .033
done
)
Little demo:
#!/bin/sh
while true ;do
[ -x "$(which ${DIALOG%% *})" ] || DIALOG=dialog
DIALOG=$($DIALOG --m...
What is the fastest method for selecting descendant elements in jQuery?
...hin 20 ops/sec to each other on most runs. Compared to 1 and 2, 4 is about 100-200 ops slower, and 5 is about 400 ops slower which is understandable because it goes through all descendants and not just children. Chart - tinyurl.com/25p4dhq
– Anurag
Jul 5 '10 at...
What are free monads?
...
+100
Here's an even simpler answer: A Monad is something that "computes" when monadic context is collapsed by join :: m (m a) -> m a (...