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Difference between del, remove and pop on lists
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Remember guys... anything index based is one shot O(n-1)... if you have to do a lookup (by value), it will traverse the collection until the element is found.
– Pepito Fernandez
Oct 14 '17 at 14:13
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Understanding how recursive functions work
...y copies of the same function being called", then it may be clearer:
Only one copy of the function ever returns 0, and it's not the first one (it's the last one). So the result of calling the first one is not 0.
For the second bit of confusion, I think it will be easier to spell out the recursion ...
How can I combine two commits into one commit? [duplicate]
...ards, it makes no sense to think of squashing an older commit into a newer one, but if you could it would be the same operation.
– user229044♦
Jul 30 '18 at 3:47
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Difference between a Structure and a Union
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With a union, you're only supposed to use one of the elements, because they're all stored at the same spot. This makes it useful when you want to store something that could be one of several types. A struct, on the other hand, has a separate memory location for each ...
How to copy a collection from one database to another in MongoDB
... this to work.
Besides this, you can do a mongodump of a collection from one database and then mongorestore the collection to the other database.
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Change EOL on multiple files in one go
...nother tool) to change the line ending automatically on multiple files in one go ?
7 Answers
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Multi-line string with extra space (preserved indentation)
...asy way is something like this:
USAGE=$(cat <<-END
This is line one.
This is line two.
This is line three.
END
)
If you indent your string with tabs (i.e., '\t'), the indentation will be stripped out. If you indent with spaces, the indentation will be left in.
NOTE: It is sign...
How to affect other elements when one element is hovered
...the general solution for styling other elements when hovering over a given one, but it works only if the other elements follow the given one in the DOM. What can we do when the other elements should actually be before the hovered one? Say we want to implement a signal bar rating widget like the one ...
Flash CS4 refuses to let go
...call it Jenine. I recently (and, perhaps, callously) relocated Jenine from one namespace to another. I thought we were ready - I thought it was time. The new Jenine was better in every way - she had lost some code bloat, she had decoupled herself from a few vestigial class relationships, and she had...
Alternate FizzBuzz Questions [closed]
...east be able to give the idea behind how to do something.
Using this test one of my previous bosses saw everything from people who aced it all pretty quick, to people who could do most pretty quick, to one guy who couldn't answer a single one after a half hour.
I should also note: he let people us...