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d3 axis labeling
...'t built-in to D3's axis component, but you can add labels yourself simply by adding an SVG text element. A good example of this is my recreation of Gapminder’s animated bubble chart, The Wealth & Health of Nations. The x-axis label looks like this:
svg.append("text")
.attr("class", "x la...
How can I loop through a C++ map of maps?
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@TannerSummers because accessing by value would add the inefficiency of copying each element; additionally if you wanted to modify the contents, you'd need to access the elements by references (or pointers) rather than by value.
– Riot
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Multiple columns index when using the declarative ORM extension of sqlalchemy
...ns/declarative/… "Keyword arguments can be specified with the above form by specifying the last argument as a dictionary"
– zzzeek
Oct 23 '17 at 16:18
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How to count the number of occurrences of an element in a List
...<String, Long> counts =
list.stream().collect(Collectors.groupingBy(e -> e, Collectors.counting()));
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Difference between Select and ConvertAll in C#
...on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the same basically.
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How to read a .xlsx file using the pandas Library in iPython?
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Update: In pandas version 0.21.0+ you will get this behavior more cleanly by passing sheet_name=None to read_excel:
dfs = pd.read_excel(file_name, sheet_name=None)
In 0.20 and prior, this was sheetname rather than sheet_name (this is now deprecated in favor of the above):
dfs = pd.read_excel(...
How to align content of a div to the bottom
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@dsdsdsdsd You could also fix that by adding display:block to #header-content.
– Patrick McElhaney
Apr 22 '14 at 20:37
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How to convert an int array to String with toString method in Java [duplicate]
...ments, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (a comma followed by a space). Elements are converted to strings as by String.valueOf(int). Returns "null" if a is null.
shar...
How do you push just a single Git branch (and no other branches)?
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By default git push updates all the remote branches. But you can configure git to update only the current branch to it's upstream.
git config push.default upstream
It means git will update only the current (checked out) br...
How can you dynamically create variables via a while loop? [duplicate]
...at are implemented as dictionaries too. I wonder why I have been downvoted by some downvote sniper for my answer creating an item in globals() while the answer of Gintautas Miliauskas is upvoted and this answer that doesn't give the how-to for <dynamically create key> is upvoted 3 times.
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