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How do I run all Python unit tests in a directory?

...it test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the two methods, and I hope someone out there ...
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BaseException.message deprecated in Python 2.6

...of the exception hierarchy. Provides an 'args' attribute that contains all arguments passed to the constructor. Suggested practice, though, is that only a single string argument be passed to the constructor.""" __str__ and __repr__ are already implemented in a meaningful way, especiall...
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Immutability of Strings in Java

...t, and changing a reference. s2 still points to the same object as we initially set s1 to point to. Setting s1 to "Help!" only changes the reference, while the String object it originally referred to remains unchanged. If strings were mutable, we could do something like this: String s1 = "Hello"; St...
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When is JavaScript synchronous?

...ous means one at a time i.e. one line of code is being executed at time in order the code appears. So in JavaScript one thing is happening at a time. Execution Context The JavaScript engine interacts with other engines in the browser. In the JavaScript execution stack there is global context at th...
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What's the difference between Perl's backticks, system, and exec?

...t works mostly the same way IPC::Open2 does, but with a slightly different order to the arguments and a third file handle. share | improve this answer | follow ...
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How to install a gem or update RubyGems if it fails with a permissions error

...y is before the path for the system Ruby. $ echo $PATH will show you the order of your load path. If you find that your shims directory comes after your system Ruby bin directory, then edit your ~/.bashrc file and put this as your last export PATH command: export PATH=$HOME/.rbenv/shims:$PATH ...
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Python - List of unique dictionaries

... note that this may alter the order of the dictionaries in the list! use OrderedDict from collections list(OrderedDict((v['id'], v) for v in L).values()) or sort the resulting list if that works better for you – gevra ...
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Build a Basic Python Iterator

... Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__(). The __iter__ returns the iterator object and is implicitly called at the start of loops. The __next__() method returns the next value and is implicitly cal...
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What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?

What is a reasonable order of Java modifiers? 4 Answers 4 ...
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C++ mark as deprecated

...erface that I want to deprecate with portable C++. When I Googled for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) . ...