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When to use a linked list over an array/array list?
I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn't be used just as easily as, if not easier than, the linked list. I was hoping someone could give me some examples of when the linked list is notably better.
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Rename MySQL database [duplicate]
...his. I think you'll need to dump that database, create the newly named one and then import the dump.
If this is a live system you'll need to take it down. If you cannot, then you will need to setup replication from this database to the new one.
If you want to see the commands to do this, @jan ha...
Rolling back local and remote git repository by 1 commit
I've read the similar posts on this topic, and can't for the life of me figure out how to do this properly.
14 Answers
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GroupBy pandas DataFrame and select most common value
... two. To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination.
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What are the differences between numpy arrays and matrices? Which one should I use?
What are the advantages and disadvantages of each?
5 Answers
5
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What is the HTML tabindex attribute?
...te responsible for two things:
it sets the order of "focusable" elements and
it makes elements "focusable".
In my mind the second thing is even more important than the first one. There are very few elements that are focusable by default (e.g. <a> and form controls). Developers very often a...
What is the difference between Python's list methods append and extend?
What's the difference between the list methods append() and extend() ?
20 Answers
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Compare two DataFrames and output their differences side-by-side
...rue
Comment True
dtype: bool
Here the first entry is the index and the second the columns which has been changed.
In [27]: difference_locations = np.where(df1 != df2)
In [28]: changed_from = df1.values[difference_locations]
In [29]: changed_to = df2.values[difference_locations]
In [3...
How to iterate a loop with index and element in Swift
Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate ?
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What to use as an initial version? [closed]
...ersion 1.0.0. As soon as I have some stuff together, I release it as 1.0.0 and move on with 1.1.0.
12 Answers
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