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Double Iteration in List Comprehension
...for word in sentence]
Example:
>>> text = (("Hi", "Steve!"), ("What's", "up?"))
>>> [word for sentence in text for word in sentence]
['Hi', 'Steve!', "What's", 'up?']
This also works for generators
>>> text = (("Hi", "Steve!"), ("What's", "up?"))
>>> gen = (...
Hash Code and Checksum - what's the difference?
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Er, maybe I misworded what I said? I was referring to the part where you said "as far as possible" -- I'm just saying there's no reason for them to be unpredictable or "far" like hashes are. As long as there is some change in the checksum when the...
What's the best way to learn LISP? [closed]
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Don't forget about the REPL! I haven't used what I learned about LISP, but it made me a much better programmer in all other languages.
– Robert K
Dec 29 '08 at 21:40
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What is std::move(), and when should it be used?
... effects. It just signals to the compiler that the programmer doesn't care what happens to that object any more. i.e. it gives permission to other parts of the software to move from the object, but it doesn't require that it be moved. In fact, the recipient of an rvalue reference doesn't have to mak...
Why don't they teach these things in school? [closed]
...em to permeate international society to the point where everyone agrees on what should be taught in schools.
Finally there are some economic considerations. It has been a relatively short time since almost everyone involved in software development had cheap, easy access to dedicated machines to ru...
What's the difference between Task.Start/Wait and Async/Await?
I may be missing something but what is the difference between doing:
6 Answers
6
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What's the difference between a web site and a web application? [closed]
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If you're just looking to express yourself clearly when speaking about what you're building, I would continue to describe something that is an interactive brochure or business card as a "web site" and something that actually *does something that feels more like an application as a web app.
The ...
What are the rules for evaluation order in Java?
...th associativity and precedence. Associativity and precedence determine in what order the operators are executed but do not determine in what order the subexpressions are evaluated. Your question is about the order in which subexpressions are evaluated.
Consider A() + B() + C() * D(). Multiplicati...
What's the difference between returning void and returning a Task?
...I'd just add a bit more context.
Your first question is essentially about what methods can be marked async.
A method marked as async can return void, Task or Task<T>. What are the differences between them?
A Task<T> returning async method can be awaited, and when the task complete...
What is the difference between .yaml and .yml extension? [duplicate]
...ions with more than three characters and so opt to use .yml instead.
So, what really matters is what is inside the file, rather than what its extension is.
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