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What is the difference between setUp() and setUpClass() in Python unittest?

...erence (as noted in the answer by Benjamin Hodgson) is that setUpClass is called only once and that is before all the tests, while setUp is called immediately before each and every test. (NB: The same applies to the equivalent methods in other xUnit test frameworks, not just Python's unittest.) From...
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Store query result in a variable using in PL/pgSQL

...s, as @Pavel commented. I shortened the syntax with a table alias additionally. Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel. share | improve thi...
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Use Fieldset Legend with bootstrap

... Just wanted to summarize all the correct answers above in short. Because I had to spend lot of time to figure out which answer resolves the issue and what's going on behind the scenes. There seems to be two problems of fieldset with bootstrap: Th...
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Android Studio/Intellij Idea: “Table of Contents” for a class

...ble of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that lists all the methods, interfaces, classes and so on that are in that class file. This then allows you to jump to that position. This view is when you ar...
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Any way to force strict mode in node?

...newer the --use_strict flag works as expected. – TooTallNate Feb 5 '13 at 5:52 21 Note that --use...
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How can I make Visual Studio wrap lines at 80 characters?

... Tools >> Options >> Text Editor >> All Languages >> General >> Select Word Wrap. I dont know if you can select a specific number of columns? share | ...
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Set CSS property in Javascript?

... This actually styles the element in the element and not in the stylesheet. – Aft3rL1f3 Jan 17 at 14:23 add a ...
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Passing arguments to an interactive program non-interactively

... to commands interactively, for example yes/no options. Is there a way to call this script in a non-interactive script passing default option values as arguments? ...
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Difference between binary semaphore and mutex

...ere any difference between a binary semaphore and mutex or are they essentially the same? 34 Answers ...
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How do you declare an interface in C++?

...virtual method list of your interface by adding a virtual destructor. This allows you to pass pointer ownership to another party without exposing the concrete derived class. The destructor doesn't have to do anything, because the interface doesn't have any concrete members. It might seem contradicto...