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Moving average or running mean
...ution can become a problem if x contains floats. Example: running_mean(np.arange(int(1e7))[::-1] + 0.2, 1)[-1] - 0.2 returns 0.003125 while one expects 0.0. More information: en.wikipedia.org/wiki/Loss_of_significance
– Milan
Dec 7 '17 at 11:08
...
What is an OS kernel ? How does it differ from an operating system? [closed]
.... Not the least these variations is what constitutes a "shell" (which can range from Solaris' sh through Netware's Console Command Interpreter to OS/2's Workplace Shell and Windows NT's Explorer), but there's also a lot of variance from one operating system to another in what is, and isn't, a part ...
how to convert from int to char*?
...out hindering performance.
Input: Any signed 64 bit value from min to max range.
Example:
std::cout << "Test: " << AddDynamicallyToBuffer(LLONG_MAX) << '\n';
std::cout << "Test: " << AddDynamicallyToBuffer(LLONG_MIN) << '\n';
Output:
Test: 922337203685477580...
How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...
from sklearn.model_selection import train_test_split
data, labels = np.arange(10).reshape((5, 2)), range(5)
data_train, data_test, labels_train, labels_test = train_test_split(data, labels, test_size=0.20, random_state=42)
This way you can keep in sync the labels for the data you're trying to ...
How to calculate the number of days between two dates? [duplicate]
...
Warning: not all days are 24 hours long. If your date range spans a daylight saving change, you'll lose or gain an hour (typically). Use Math.round() on the result (avoid floor or ceil).
– Mark
Sep 20 '11 at 2:33
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Can I see changes before I save my file in Vim?
...hat automatic in vim, that the contents of the buffer (or maybe a specific range in the buffer) gets assigned to stdin for shell commands?
– Nathan Wallace
Oct 7 '13 at 15:39
9
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How to take all but the last element in a sequence using LINQ?
...iningItems);
}
static void Main(string[] args) {
var Seq = Enumerable.Range(1, 10);
Console.WriteLine(string.Join(", ", Seq.Select(x => x.ToString()).ToArray()));
Console.WriteLine(string.Join(", ", Seq.TakeAllButLast().Select(x => x.ToString()).ToArray()));
}
Or as a generaliz...
Can functions be passed as parameters?
...nt {
var a = make([]int, len(alist), len(alist))
for index, val := range alist {
a[index] = f(val)
}
return a
}
func main() {
alist := []int{4, 5, 6, 7}
result := mapper(square, alist)
fmt.Println(result)
}
...
PostgreSQL LIKE query performance variations
...card at the beginning of the match string so the executor can use an index range scan. (the relevant comment in the docs is here) Lower and ilike will also lose your ability to use the index unless you specifically create an index for that purpose (see functional indexes).
If you want to search for...
Get lengths of a list in a jinja2 template
...
Alex' comment looks good but I was still confused with using range.
The following worked for me while working on a for condition using length within range.
{% for i in range(0,(nums['list_users_response']['list_users_result']['users'])| length) %}
<li> {{ nums['list_users_res...