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Alastair Mcdade

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40.0KViews on questions

How is double DQN better than DQN?

In Q-learning there is what is known as a maximization bias. That is because the update target is r+γmaxaQ(s,a). If you slightly overestimate your Q-value then this error gets compounded (there is a nice example in the Sutton and Barto book that illustrates this). The idea behind tabular double Q-learning is to have…

Artificial intelligence

Answered May 13, 2022 · 1.4K Views Read answer →

How is feature testing different from functionality testing?

This is where good communication skills, alertness and good vocab comes in handy for a tester.... Looking at the meanings of the terms in question, Feature testing: a distinctive attribute or aspect of something. Functionality testing: the quality of being suited to serve a purpose well; practicality. So with the…

QA Testing

Answered May 6, 2022 · 1.0K Views Read answer →

Is port forwarding dangerous?

The answer to - Is port forwarding dangerous is that Port 80 is not more insecure by itself than any other port. Simply it is the common HTTP port so it has very high risks of being scanned, and applications behind it are expected to be web applications. That is where security admins begin to see red flashing lights.…

Cyber Security

Answered Apr 4, 2022 · 45 Views Read answer →

Explain components testing.

Component testing is that in which we test those test objects which are separately testable as an isolated unit without integrating with other components (e.g. modules, programs, objects, classes, etc.). Testing of separate software components is known as component testing. Component Testing is considered as the…

Cyber Security

Answered Feb 24, 2022 · 1.0K Views Read answer →

Can I do the search testing of engine results by myself?

Actually, the question of search testing engines is part of the information retrieval (IR) problem. I will list just a few approaches how they can be evaluated/tested.Traditional IR approach One way in traditional IR is to prepare test setup, including: Candidate queries Dataset of indexed pages Expected result set…

Cyber Security

Answered Feb 16, 2022 · 1.3K Views Read answer →

Is there a selenium close browser option at the end of a selenium test?

You're actually creating a second Selenium close browser session in your tearDown() function. You need to put the session created in setUp() into an instance variable, then close that session in tearDown(). class TestFoo(unittest.TestCase): def setUp(self): self.selenium = selenium('localhost', 4444, "*chrome",…

QA Testing

Answered Feb 15, 2022 · 1.2K Views Read answer →

How can I create a customised time slot calendar?

I'd actually need a negative example to be completely sure but as I see it there must be either a CSS class to make the cells blue or to make them white. Either way, you can actually do something along the lines of public static WebElement getFreeSlot(String colorCode) List slots =…

Cyber Security

Answered Feb 15, 2022 · 1.1K Views Read answer →

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