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Difference between break and continue statement
Can anyone tell me the difference between break and continue statements?
21 Answers
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What is memoization and how can I use it in Python?
... the remembered result rather than computing the result again. You can think of it as a cache for method results. For further details, see page 387 for the definition in Introduction To Algorithms (3e), Cormen et al.
A simple example for computing factorials using memoization in Python would be som...
Dynamically update values of a chartjs chart
I created an basic bar chart using chartjs and it works fine. Now I want to update the values on a time based interval. My problem is that after I created the chart, I do not know how to update its values correctly...
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Listing each branch and its last revision's date in Git
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commandlinefu has 2 interesting propositions:
for k in `git branch | perl -pe s/^..//`; do echo -e `git show --pretty=format:"%Cgreen%ci %Cblue%cr%Creset" $k -- | head -n 1`\\t$k; done | sort -r
or:
for k in `git branch | sed s/^..//`; do echo -e `git log -1 --pretty=form...
How to swap keys and values in a hash
How do I swap keys and values in a Hash?
6 Answers
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Sorting multiple keys with Unix sort
I have potentially large files that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters.
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What happens when a duplicate key is put into a HashMap?
If I pass the same key multiple times to HashMap ’s put method, what happens to the original value? And what if even the value repeats? I didn’t find any documentation on this.
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How to merge two sorted arrays into a sorted array? [closed]
This was asked of me in an interview and this is the solution I provided:
31 Answers
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How to overcome TypeError: unhashable type: 'list'
I'm trying to take a file that looks like this:
6 Answers
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How to change Hash values?
I'd like to replace each value in a hash with value.some_method .
12 Answers
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