here I abstract the actual business I try to create a class that has the following methods: import types class A: def __init__(self,num): self.num = num self.add_prop(10) -sharp 10 def add_prop(self, n): f...
now there is a common component D, which is used in different components, A-> D B-> D c-> D, which displays A component by default. I now want to cache D component so that B and C components do not re-render D component when they are loaded. Is there any...
enter keywords in the input box and search remotely to match the relevant results. However, according to the needs, you can only select the results of the search, and you cannot use the content that is automatically typed by hand. How does this need to b...
that s what it is. I hope the bosses can help solve it. Thank you! ...
question: I saw an answer before because the selenium framework was detected in the previous paragraph, and then I used PyQt5 to make a browser to implement the crawler. I now have the same problem, but the problem is that I don t know how to use Js s...
does not quite understand how to filter the first column < 1.5 data in the second sentence with two square brackets. Dictionary and array are not used in this way either related codes df=DataFrame(np.random.randn(20,2),columns=[ first , second ...