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Why does 2 == [2] in JavaScript?
..., 8.6.2.6).
If you translate the involved abstract algorithms back to JS, what happens when evaluating 2 == [2] is basically this:
2 === Number([2].valueOf().toString())
where valueOf() for arrays returns the array itself and the string-representation of a one-element array is the string represe...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...tionaries, merged (i.e. taking the union). The update() method would be what I need, if it returned its result instead of modifying a dictionary in-place.
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What happens when a computer program runs?
...ystem calls as necessary when it needs them.
Different systems (embedded, whatever) may have very different architectures, such as stackless systems, Harvard architecture systems (with code and data being kept in separate physical memory), systems which actually keep the BSS in read-only memory (in...
Uses of content-disposition in an HTTP response header
...ll, RFC 5678 here, RFC 9876 there. If Content-Disposition is frowned upon, what should we use instead?
– Csaba Toth
Mar 20 '16 at 18:46
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sh...
How to wait for a keypress in R?
...ent to readline. Method 2 would work with any input (not just numbers) if what="" were added to the call to scan. getGraphicsEvent only works on specific graphics devices on certain platforms (but if you are using one of those devices it works fine).
– Greg Snow
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Xcode duplicate/delete line
... I've used OS X since day one and never knew about key bindings. what a cool feature. Take a look at this very nice GUI key bindings editor I happened upon.
– Alex Gray
Aug 31 '12 at 15:33
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RSpec vs Cucumber (RSpec stories) [closed]
...aven't already, you might want to check out Dan North's excellent article, What's in a Story? as a starting point.
We have two main uses for Cucumber stories. First, because the story form is very specific it helps focus the product owner's articulation of the features he wants built. This is the "...
Why do you create a View in a database?
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3 Is really the most powerful property of views. It's what help provides logical data independence the fact that you can provide an interface to the DB independent of the underlying logical database is a very powerful concept.
– Falaina
Oct...
What is an idempotent operation?
What is an idempotent operation?
15 Answers
15
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YAML Multi-Line Arrays
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That depends totally on whatever program you're using to parse the YAML. This question is just about the YAML specification.
– Steve Bennett
Mar 17 '17 at 5:05
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