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Setup RSpec to test a gem (not Rails)
...hing you need to have in your Gemfile is the following:
source "https://rubygems.org"
gemspec
This tells Bundler to look inside your gemspec file for the dependencies when you run bundle install.
Next up, make sure that RSpec is a development dependency of your gem. Edit the gemspec so it reads:...
What's the difference between dynamic (C# 4) and var?
...pability was added to the CLR in order to support dynamic languages like Ruby and Python.
I should add that this means that dynamic declarations are resolved at run-time, var declarations are resolved at compile-time.
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How to merge the current branch into another branch
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The current highest-voted answer by @zerome is a good one, but is a bit needlessly verbose.
In the base of your git repo you can just do this: git push . dev:master
A more generalised solution that would work anywhere in the tree would be:
git push $(git ...
Why not use java.util.logging?
...four libraries that
use four different logging frameworks is cumbersome. By using SLF4J, you
allow him to configure the logging frameworks he wants, not the one
you have chosen. Remember that a typical project uses myriads of
libraries, and not just yours.
If for whatever reason you hate t...
Does JavaScript have “Short-circuit” evaluation?
...wer, we need to understand how does the short-circuit evaluation work.
By the MDN
Definition
the && operator in expr1 && expr2 is executed followingly:
If expr1 can be converted to true, returns expr2; else, returns expr1.
So this means, in our practical example, the c...
Rich vs Anemic Domain Model [closed]
...teTotal(Order order){
...
}
while the rich domain approach inverses this by placing the data interpretation logic into the rich domain model. Thus it puts logic and data together and a rich domain model would look like this:
order.getTotal();
This has a big impact on object consistency. Since t...
What is a typedef enum in Objective-C?
..., and kOblateSpheroid). You can assign a ShapeType variable another value by casting, though, so you have to be careful when reading enum values.
Finally, kCircle, kRectangle, and kOblateSpheroid are declared as integral constants in the global namespace. Since no specific values were specified, ...
How Do I Hide wpf datagrid row selector
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Instead of setting the Width you can completely hide the row headers by setting on the DataGrid
HeadersVisibility="Column"
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How can I count the occurrences of a list item?
...ant to call update with many iterables, you may be able to speed things up by joining them into one iterable with itertools.chain.
– user2357112 supports Monica
Nov 14 '18 at 18:20
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TypeError: 'NoneType' object is not iterable in Python
...s
What's going on here?
Python's interpreter converted your code to pyc bytecode. The Python virtual machine processed the bytecode, it encountered a looping construct which said iterate over a variable containing None. The operation was performed by invoking the __iter__ method on the None.
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