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When we break up out application in multiple classes, we need to give each class a role. One of the most popular ways to do this is designate a class as a model, a view or a controller. In this video…
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The state triggers we saw in the previous video were pretty simple. In this video, we talk about using a more complicated trigger: a double click. Double-clicking is more complicated because it needs…
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With while-loops we can now write some super complex programs – once that we way more sophisticated than what we have done before. In this video we show how to create a complete dice game with…
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In this video we talk about the while-loop and explain why it is necessary. In particular, there are types of iteration that are not possible with the for-loop.
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In this video we show how to use the error type to give you more control over a try-except statement. You can chose to recover from some errors, while completely ignoring other errors.
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Types guarantee that an object supports a set of operations (methods) and has a certain set of attributes. However, in this video we show that we can actually get this information without typing an…
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Since every class other than object must be a subclass of another class, this can lead to some interesting “family trees” of classes. In this video we look at Kivy classes, and see how…
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Fractals are shapes that look the same when you magnify them larger and larger. This is another example of recursion. In this video we introduce the drawing turtle and show how we use it to draw…
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Title: Decomposing C++ Modules for Fast Load TimesSpeaker: Thomas Lively—GoogleSummary: Even with streaming baseline compilers, downloading and compiling large WebAssembly modules can…
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We have a new control structure, so it is time once again to talk about testing. In this video we revisit the concept of code coverage and show testing a try-except is very similar to testing a…
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The except-portion of an try-except statement is only executed when there is an error/crash. But, as we have seen, errors can occur anywhere in the call stack. In this video we show how try-except…
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In this video we intrduce a new control structure: the try-except statement. As we will see, it looks very similar to an if-else statment with some important differences.
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When we introduced specifications, we talked about responsibility; if there is a problem with a function, it is either the fault of the definer or the caller. In this video, we show how we read an…
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