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What are the differences between vector and list data types in R?
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As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vec...
Why does changing the sum order returns a different result?
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This actually covers much more than just Java and Javascript, and would likely affect any programming language using floats or doubles.
In memory, floating points use a special format along the lines of IEEE 754 (the converter provides much better explanation than ...
Smooth GPS data
...and understand!), or better yet, some implementation available? (C / C++ / Java)
– Al.
Jul 15 '09 at 23:12
1
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@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
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Can local storage ever be considered secure? [closed]
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WebCrypto
The concerns with cryptography in client-side (browser) javascript are detailed below. All but one of these concerns does not apply to the WebCrypto API, which is now reasonably well supported.
For an offline app, you must still design and implement a secure keystore.
Aside: If ...
Why do C++ libraries and frameworks never use smart pointers?
...sly re-invented many parts of the Standard library in an attempt to become Java. I believe that it does actually have its own smart pointers now, but in general, it is hardly a pinnacle of design. wxWidgets, as far as I'm aware, was designed long before usable smart pointers were written.
As for Bo...
What is the difference between String and string in C#?
...y feelings on the matter. When I first started coding in C# (coming from a Java/C++/C background) I thought the aliases were ugly. I still feel that way, unfortunately most of the world doesn't seem to agree with me, or they don't care, and so use the lowercase.
– gusgorman
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Android: How can I get the current foreground activity (from a service)?
...tch out for memory leaks. Mutable static data members are to be avoided in Java wherever possible.
– CommonsWare
Oct 8 '10 at 13:06
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What is the difference between “pom” type dependency with scope “import” and without “import”?
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