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django unit tests without a db

... db? I want to test business logic which doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations. ...
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“is” operator behaves unexpectedly with integers

...entation keeps an array of integer objects for all integers between -5 and 256, when you create an int in that range you actually just get back a reference to the existing object. So it should be possible to change the value of 1. I suspect the behaviour of Python in this case is und...
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C++ multiline string literal

...le string. " "The disadvantage is that you have to quote " "each part, and newlines must be literal as " "usual."; The indentation doesn't matter, since it's not inside the quotes. You can also do this, as long as you take care to escape the embedded newline. Failure to do so, like my first...
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Checking for an empty field with MySQL

... An empty field can be either an empty string or a NULL. To handle both, use: email > '' which can benefit from the range access if you have lots of empty email record (both types) in your table. share ...
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AngularJS : When to use service instead of factory

...ng objects into AngularJS dependency injection system. It is very flexible and can contain sophisticated creation logic. Since factories are regular functions, we can also take advantage of a new lexical scope to simulate "private" variables. This is very useful as we can hide implementation details...
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How can I make a horizontal ListView in Android? [duplicate]

Like many things in Android, you wouldn't think this would be such a hard problem but ohhh, by golly, would you be wrong. And, like many things in Android, the API doesn't even provide a reasonably extensible starting point. I'll be damned if I'm going to roll my own ListView, when all I want is t...
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What does the comma operator , do?

...ression2) First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression. share | improve this answer | fo...
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Only initializers, entity members, and entity navigation properties are supported

... Entity is trying to convert your Paid property to SQL and can't because it's not part of the table schema. What you can do is let Entity query the table with no Paid filter and then filter out the not Paid ones. public ActionResult Index() { var debts = storeDB.Orders ...
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Python Git Module experiences? [closed]

...nces with any of the Git modules for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.) ...
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TDD vs. Unit testing [closed]

...mpany is fairly new to unit testing our code. I've been reading about TDD and unit testing for some time and am convinced of their value. I've attempted to convince our team that TDD is worth the effort of learning and changing our mindsets on how we program but it is a struggle. Which brings me ...