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Standardize data columns in R
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EDIT 3 (2020): Thanks to @mj_whales: the old solution is deprecated and now we need to use mutate_at.
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HTML5 record audio to file
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@Fibericon not anymore (: Stable Chrome does too now (Version 28.0.1500.71 Mac).
– JSmyth
Jul 16 '13 at 6:42
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Uninstalling Android ADT
...out when im selecting those plugins. I've resorted to uninstalling eclipse now.
– jcfrei
Feb 1 '12 at 14:33
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Difference between ref and out parameters in .NET [duplicate]
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The line mentioned as "This is not C#" is now actually C# as of C# 7 docs.microsoft.com/en-us/dotnet/csharp/whats-new/…
– TJ Rockefeller
Apr 24 at 16:42
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How to deserialize a list using GSON or another JSON library in Java?
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The 2.1 version of Gson now has a default access constructor... hence we can't use the code above... instead now the TypeToken class has the following method: public static TypeToken<?> get(Type type) { return new TypeToken(type); } ...
How to do a non-greedy match in grep?
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eegg: dot all modifier is also known as multiline. It's a modifier that changes the "." match behavior to include newlines (normally it doesn't). There's no such modifier in grep, but there is in pcregrep.
– A. Wilson
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How can I obtain an 'unbalanced' grid of ggplots?
...with grid and thought I had it down but ended up failing (although looking now at the code in the function I cite below, I can see that I was really close ... :-)
The 'wq' package has a layOut function that will do it for you:
p1 <- qplot(mpg, wt, data=mtcars)
layOut(list(p1, 1:3, 1), # takes...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
...etic type that satisfies all of the properties of real arithmetic that we know and love. The 754 committee has to decide to bend or break some of them. This is guided by some pretty simple principles:
When we can, we match the behavior of real arithmetic.
When we can't, we try to make the violat...
Why don't they teach these things in school? [closed]
...e, despite recent advancements in materials science, civil engineers have known for about 2000 years how to build an arch that won't fall over, and this is something that can be taught and learned in university with relatively little controversy. Although I completely agree with you about the techn...
How to watch for array changes?
... a catch-all sounds appealing, just replace myArray with Array.prototype.
Now, that's just one method and there are lots of ways to change array content. We probably need something more comprehensive...
2. Create a custom observable array
Rather than overriding methods, you could create your own ...
