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RSpec: how to test if a method was called?

When writing RSpec tests, I find myself writing a lot of code that looks like this in order to ensure that a method was called during the execution of a test (for the sake of argument, let's just say I can't really interrogate the state of the object after the call because the operation the method p...
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Replace None with NaN in pandas dataframe

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Entity Framework Join 3 Tables

I'm trying to join three tables but I can't understand the method... 2 Answers 2 ...
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Difference between ProcessBuilder and Runtime.exec()

I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() . ...
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Force Screen On

How do I force the screen to stay active and not shut off while my app is running? 3 Answers ...
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Turn off spell checking in Eclipse for good

Every time I create a new workspace in Eclipse I have to turn off the spell checking via Preferences. (Preferences->General->Editors->Text Editors->Spelling->Enable Spell Checking) ...
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How to convert ActiveRecord results into an array of hashes

I have an ActiveRecord result of a find operation: 3 Answers 3 ...
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Is it possible for a unit test to assert that a method calls sys.exit()

I have a python 2.7 method that sometimes calls 4 Answers 4 ...
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Apache: “AuthType not set!” 500 Error

It's been a while since I used the Apache httpd web server. I'm firing up a local server for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log: ...
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What is the >>>= operator in C?

Given by a colleague as a puzzle, I cannot figure out how this C program actually compiles and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???" ...