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Why is '+' not understood by Python sets?
...'t have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both se...
Why all the Active Record hate? [closed]
As I learn more and more about OOP, and start to implement various design patterns, I keep coming back to cases where people are hating on Active Record .
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Is there a good reason to use upper case for SQL keywords? [closed]
...owercase with database object names MixedCase.
It is much easier to read, and literals and comments stand out.
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Is there a way to 'uniq' by column?
...eed the ,1 in -k1,1? why not just -k1?
– hello_there_andy
Nov 24 '14 at 20:10
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@hello_there_and...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...ondering if there are any advantages of using any of these over the other, and which way should I go?
3 Answers
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Unstaged changes left after git reset --hard
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I had the same problem and it was related to the .gitattributes file.
However the file type that caused the problem was not specified in the .gitattributes.
I was able to solve the issue by simply running
git rm .gitattributes
git add -A
git rese...
Javascript fuzzy search that makes sense
...arch JavaScript library to filter an array. I've tried using fuzzyset.js and fuse.js , but the results are terrible (there are demos you can try on the linked pages).
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Purge or recreate a Ruby on Rails database
...ave a dev Ruby on Rails database full of data. I want to delete everything and rebuild the database. I'm thinking of using something like:
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How do I add comments to package.json for npm install?
I've got a simple package.json file and I want to add a comment. Is there a way to do this, or are there any hacks to make this work?
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How can a time function exist in functional programming?
... I don't know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function returns the same output, for same input, no matter how many times the function is called. It's exactly like a mathematical function which evaluates to ...