What do you want to save?
Add Code snippet
New code examples
-
Python 2022-03-05 16:40:15
numpy count occurrences in interval array
# credit to Stack Overflow user in source link # a is a numpy array # Note: the following syntax allows you to count the number of elements x # of the array such that 25 < x < 100 ((a > 25) & (a < 100)).sum() Add solution -
Java 2022-03-05 08:35:01
printStackTrace()
public void printStackTrace() //Prints this throwable and its backtrace to the standard error stream. This method prints a stack trace for this Throwable object on the error output stream that is the value of the field System.err. The first line of out... Add solution -
Javascript 2022-03-04 04:15:09
add update react pwa feature
//This from url https://stackoverflow.com/questions/56972246/how-to-update-reactjs-based-pwa-to-the-new-version window.addEventListener('activate', function(event) { event.waitUntil( caches.keys().then(function(cacheNames) { ... Add solution -
Python 2022-03-03 20:05:03
how to install face_recognition
# To install face_recognition. First download boost from http://www.boost.org/users/download/ # Then navigate to C:\Users\(Username)\AppData\Local\Programs\Python\(Python version)\Lib\site-packages # Move the boost file into that location and extract it #... Add solution -
Python 2022-03-02 20:00:07
pandas join two series on index
# credit to Stack Overflow user in the source link s1 = pd.Series([1, 2], index=['A', 'B'], name='s1') s2 = pd.Series([3, 4], index=['A', 'B'], name='s2') pd.concat([s1, s2], axis=1) Out: s1 s2 A 1 3 B 2 4 pd.concat([s1, s2], axis=1).reset_... Add solution