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What are the differences between vector and list data types in R?
What are the main differences between vector and list data types in R? What are the advantages or disadvantages of using (or not) these two data types?
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What's the correct way to sort Python `import x` and `from x import y` statements?
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Imports are generally sorted alphabetically and described in various places beside PEP 8.
Alphabetically sorted modules are quicker to read and searchable. After all python is all about readability.
Also It is easier to verify that something is imported, and avoids du...
What is the meaning of “vnd” in MIME types?
Reading up on content providers, I keep wondering why both the category and type of Android MIME types are prefixed with vnd. For example:
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Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...
How to remove specific element from an array using python
...m exists in the initial_list? There could be a case where it doesn't exist and you wont' have to remove it.
– locoboy
Aug 19 '11 at 18:55
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Java variable number or arguments for a method
...foo(new String[] { "foo", "bar" }); // Arrays are also accepted.
foo(); // And even no args.
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Changing the case of a string in Eclipse
...make a lowercase string uppercase using Eclipse? I want to select a string and either uppercase it or lowercase it. Is there a shortcut for doing this?
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Python Pandas merge only certain columns
...e to only merge some columns? I have a DataFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc.
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how to check if List element contains an item with a Particular Property Value
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If you have a list and you want to know where within the list an element exists that matches a given criteria, you can use the FindIndex instance method. Such as
int index = list.FindIndex(f => f.Bar == 17);
Where f => f.Bar == 17 is ...
Is Hash Rocket deprecated?
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The author of that blog post is being overly dramatic and foolish, the => is still quite necessary. In particular:
You must use the rocket for symbols that are not valid labels: :$set => x is valid but $set: x is not. In Ruby 2.2+ you can get around this problem with quo...