Outliving The Great Variable Shortage
One of the more annoying problems in code, confounding readability and maintainability, frustrating test-writing, is that of the multidomain variable. I suppose somebody forgot to clue me in to the...
View Article"Outliving The Great Variable Shortage" by Tim
Correction made. I don’t have anything sem-humorous to add to the mistake. Many eyes make all blogs shallow? Thank you for the catch.
View Article"Outliving The Great Variable Shortage" by djoubert.co.uk
David, Well I totally agree with you, it can become very frustrating in perl to check whether the user has actually given input as ‘0’, 0 and ’ ’ all evaluate to false. PHP solves it nicely with a...
View Article"Outliving The Great Variable Shortage" by Jason
This page is nearly impossible to read due to the font size.
View Article"Outliving The Great Variable Shortage" by Tim
Re: null, zero, false, empty, etc: I was raised in C. In C it was considered very poor form to compare anything to “true” (1), because there are so many ‘true’ values, and relatively few ‘false’...
View Article"Outliving The Great Variable Shortage" by mgsloan
Take a look at the hindley milner type system. It’s got your requirement of having a specific domain down, yet disagrees with your multiple kinds judgement. I suppose that repurposing and able to take...
View Article"Outliving The Great Variable Shortage" by nullness
Agreed with mgsloan. Another language that has those properties is Scala. Maybe is equivalent to Option[T], which is either Some[T](value) or None. You can then use pattern matching to branch based on...
View Article"Outliving The Great Variable Shortage" by JJM
I’ve recently come to like it when empty arrays, tuples and strings evaluate to false. Most of the times it doesn’t matter whether a function was passed an empty array, an empty tuple or a...
View Article"Outliving The Great Variable Shortage" by Tony Morris
“A variable should have a SINGLE DOMAIN.”—Well, the very notion of a “single domain” is a projected perspective. Nevertheless, the correction is, “A variable should not exist”, since change is an...
View Article"Outliving The Great Variable Shortage" by George Dinwiddie
WRT: “I suggest, in the case of constrained footprint where there truly is a Great Variable Shortage (GVS) that if (and that’s a big if) the author absolutely MUST repurpose variables on the fly that...
View Article"Outliving The Great Variable Shortage" by Tim
Well, it is convenient in Python that {} and [] are also false values, but hardly satisfactory to me. It lacks a delicious explicitness. Let’s put it to bed, because it was hardly my main point. My...
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One thing that languages often lack is a concise, well specified generics system. In haskell, it’s called type parameters. This allows for constructing new types by composing types together.
View Article"Outliving The Great Variable Shortage" by Tenant Screening
A variable should mean one thing, and one thing only. It should not mean one thing in one circumstance, and carry a different value from a different domain some other time.
View Article"Outliving The Great Variable Shortage" by okey oyunu oyna
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View Article"Outliving The Great Variable Shortage" by Dessert Recipes
A floor polish as a dessert topping does not sound appetising… I liked nullness’ pysweeper example. Very apt! It seems when it comes to variables your rules probably make a lot of sense for best practice.
View Article"Outliving The Great Variable Shortage" by Dessert Recipes
Forgot to say Curlys Law is a good principle to follow!!
View Article"Outliving The Great Variable Shortage" by beats by dre store
’ pysweeper example. Very apt! It seems when it comes to variables your rules probably make a lot of sense for best practice.
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