Is it enough that I define my specification as follows: JMA must provide a method that adds two integers? That’s a specification. It’s not a very useful one, because it doesn’t give many guarantees to the user of an implementation of that specification. If I wanted to write a program that adds two integers, I … Read more
If you happen to be using the venv module that comes with Python 3.3+, it supports an –upgrade option. Per the docs: Upgrade the environment directory to use this version of Python, assuming Python has been upgraded in-place python3 -m venv –upgrade ENV_DIR
You do NOT need to target .NET 4.6 and above, that is incorrect. To use Tuples, you need the System.ValueTuple NuGet package. Right on https://www.nuget.org/packages/System.ValueTuple/ you can see it says it supports 4.5 and above, and actually, it supports 4.0 and above. And if you want to get crazy, if you create your own System.ValueTuple … Read more
No, you can’t. What you can do, however, is use an abstract base class instead of an interface, and make equals() abstract: abstract class Command { // put other methods from Command interface here public abstract boolean equals(Object other); public abstract int hashCode(); } Subclasses of Command must then provide their own equals and hashCode … Read more
The NLTK site does list a command line interface for downloading packages and collections at the bottom of this page : http://www.nltk.org/data The command line usage varies by which version of Python you are using, but on my Python2.6 install I noticed I was missing the ‘spanish_grammar’ model and this worked fine: python -m nltk.downloader … Read more
For more info on using setup.py vs requirements.txt, I found this article helpful. Update: September 2016 I no longer use requirements.txt (see original answer below) for installing development only packages. The prevailing wisdom seems to be that requirements.txt should be used to pin deployments to specific version numbers, typically using pip freeze > requirements.txt. This … Read more
If you happen to be using the venv module that comes with Python 3.3+, it supports an –upgrade option. Per the docs: Upgrade the environment directory to use this version of Python, assuming Python has been upgraded in-place python3 -m venv –upgrade ENV_DIR
A functional requirement describes what a software system should do, while non-functional requirements place constraints on how the system will do so. Let me elaborate. An example of a functional requirement would be: A system must send an email whenever a certain condition is met (e.g. an order is placed, a customer signs up, etc). … Read more