Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

When I was much younger than I am right now, I got a new job. I'd been out of work for a while before I got the job, but I had some freelance work and some money in the bank, and I lived cheap. A ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

The two Democratic politicians were discussing revenge — not against a rival Republican, but a fellow Democrat. One asked the other if he should assign “agents” to deliver “body blows” to their target ...

We can see that the dataset is composed of 150 records and there are no null values. Moreover, four variables are float data types (sepal length, sepal width, petal length and petal width) and the ...

df = pd.DataFrame({'a': [6.6, -5.2, 2.1, 3.3, 1.1], 'b': ['a', 'a', 'c', 'b', 'a'], 'c': ['kfr', 'kfr', 'lu', 'ku', 'lu'], 'd': ['t', 's', 's', 't', 'a']}) All the ...

Dear Abby: My son bought me a car in 2012. I had no idea he was doing it. He traded my car in for this newer car. During the last five years this "gift" has been nothing but a sore spot. If I get a ...