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The text suggests that data from a mobile app like Waze is typically transmitted in JSON format. Which of the following describes the fundamental structure of valid JSON data?
Tutorial: 01-introduction
Difficulty:
Impossible
Tags:
web-development
data-structures
json
ID: impossible-json-structure
The tutorial defines the main function as `int main(void)`. In the C standard, what is the technical difference between defining `main` with `(void)` versus empty parentheses `()`?
Tutorial: 02-c-programming
Difficulty:
Impossible
Tags:
c-programming
functions
c-language
ID: impossible-main-void-parameter
In the context of sentinel-controlled iteration, what is a 'sentinel value'?
Tutorial: 03-structured-program-development
Difficulty:
Easy
Tags:
c-programming
iteration
while-loop
control-structures
ID: easy-sentinel-value-definition
The tutorial describes top-down, stepwise refinement. What is the essential process involved in this technique?
Tutorial: 03-structured-program-development
Difficulty:
Hard
Tags:
structured-programming
algorithms
top-down-design
ID: hard-top-down-refinement-process
After creating a new app, where must you register it so that the Django project becomes aware of its existence?
Tutorial: creating-a-project-base
Difficulty:
Easy
Tags:
django
settings
ID: easy-installed-apps-setting