Multiple levels of ‘collection.defaultdict’ in Python
Thanks to some great folks on SO, I discovered the possibilities offered by collections.defaultdict, notably in readability and speed. I have put them … Read more
nested
How do you overcome the HTML form nesting limitation?
I know that XHTML doesn’t support nested form tags and I have already read other answers here on Stack Overflow regarding this subject, … Read more
Can you create nested WITH clauses for Common Table Expressions?
WITH y AS ( WITH x AS ( SELECT * FROM MyTable ) SELECT * FROM x ) SELECT * FROM y Does … Read more
Best way to do nested case statement logic in SQL Server
I’m writing an SQL Query, where a few of the columns returned need to be calculated depending on quite a lot of conditions. … Read more
Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and … Read more
Forward declaration of nested types/classes in C++
I recently got stuck in a situation like this: class A { public: typedef struct/class {…} B; … C::D *someField; } class C … Read more
Can regular expressions be used to match nested patterns? [duplicate]
This question already has answers here: Regular expression to match balanced parentheses (21 answers) Closed 3 years ago. Is it possible to write … Read more
How to query nested objects?
I have a problem when querying mongoDB with nested objects notation: db.messages.find( { headers : { From: “reservations@marriott.com” } } ).count() 0 db.messages.find( … Read more
List comprehension on a nested list?
I have this nested list: l = [[’40’, ’20’, ’10’, ’30’], [’20’, ’20’, ’20’, ’20’, ’20’, ’30’, ’20’], [’30’, ’20’, ’30’, ’50’, ’10’, … Read more
Nested routes with react router v4 / v5
I am currently struggling with nesting routes using react router v4. The closest example was the route config in the React-Router v4 Documentation. … Read more