Problem : I have a problem trying out the Lambda expressions of Java 8. Usually it works fine, but now […]
Coding Discuss
How to do relative imports in Python?
Problem : Imagine this directory structure: app/ __init__.py sub1/ __init__.py mod1.py sub2/ __init__.py mod2.py I’m coding mod1, and I need […]
inequality comparison of numpy array with nan to a scalar
Question : inequality comparison of numpy array with nan to a scalar I am trying to set members of an […]
Differences between System.out.println() and return in Java
Problem : I’m trying to understand the difference, and benefits of using System.out.println() vs. return blah in a method. It […]
Why does numpy.linalg.solve() offer more precise matrix inversions than numpy.linalg.inv()?
Question : Why does numpy.linalg.solve() offer more precise matrix inversions than numpy.linalg.inv()? I do not quite understand why numpy.linalg.solve() gives […]
What is the difference between re.search and re.match?
Problem : What is the difference between the search() and match() functions in the Python re module? I’ve read the […]
Count the frequency that a value occurs in a dataframe column
Solving problem is about exposing yourself to as many situations as possible like Count the frequency that a value occurs […]
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
Problem : Let x be a NumPy array. The following: (x > 1) and (x < 3) Gives the error […]
How to disable a “Reload site? Changes you made may not be saved” popup for (python) selenium tests in chrome?
Question : How to disable a “Reload site? Changes you made may not be saved” popup for (python) selenium tests […]
copy a 2d array in java
Problem : i have a 2d array called matrix of type int that i want to copy to a local […]
