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Writing unit tests in Python: How do I start? [closed]

I completed my first proper project in Python and now my task is to write tests for it. 7 Answers ...
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Difference between string and text in rails?

I'm making a new web app using Rails, and was wondering, what's the difference between string and text ? And when should each be used? ...
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Do you put unit tests in same project or another project?

...s. Having an extra project (or 10) isn't a con. Edit: More Info On Build and Shipping I would further recommend that any automated build process place production and unit tests into different locations. Ideally, the unit test build process only runs if the production code builds, and copies the ...
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Draw a perfect circle from user's touch

...e, lines, etc, whatever came to his mind). Then he started to draw circles and then he asked me to make it "good circle" (from my understanding: make the drawn circle perfectly round, as we know no matter how stable we try to draw something with our finger on the screen, a circle is never really as...
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Ruby: Easiest Way to Filter Hash Keys?

...t { |key, value| key.to_s.match(/^choice\d+/) } or you can use delete_if and modify the existing Hash e.g. params.delete_if { |key, value| !key.to_s.match(/choice\d+/) } or if it is just the keys and not the values you want then you can do: params.keys.select { |key| key.to_s.match(/^choice\d+...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...efs are just syntactic sugar for an assignment, so the result is the same, and they are a lot more flexible and readable. lambdas can be used for use once, throw away functions which won't have a name. However, this use case is very rare. You rarely need to pass around unnamed function objects. T...
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How do I view 'git diff' output with my preferred diff tool/ viewer?

...file new-hex new-mode As most diff tools will require a different order (and only some) of the arguments, you will most likely have to specify a wrapper script instead, which in turn calls the real diff tool. The second method, which I prefer, is to configure the external diff tool via "git confi...
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What is the syntax rule for having trailing commas in tuple definitions?

...hen you won't add another line to the end expecting to add another element and instead just creating a valid expression: a = [ "a", "b" "c" ] Assuming that started as a 2 element list that was later extended it has gone wrong in a perhaps not immediately obvious way. Always include the t...
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CORS - What is the motivation behind introducing preflight requests?

...ng-the-rules thing. Preflight requests have nothing to do with security, and they have no bearing on applications that are being developed now, with an awareness of CORS. Rather, the preflight mechanism benefits servers that were developed without an awareness of CORS, and it functions as a sanity...
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How many concurrent requests does a single Flask process receive?

I'm building an app with Flask, but I don't know much about WSGI and it's HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests? ...