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How to properly document S4 class slots using Roxygen2?
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30
Updated answer for Roxygen2 5.0.1, current as of 6.0.1
For S4, the best practice now is documen...
Does every Javascript function have to return a value?
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edited Aug 30 '17 at 13:00
answered Jun 27 '13 at 7:33
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vs in Generics
...iance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them...
What is the maximum amount of RAM an app can use?
..., native code (NDK) is not subject to the heap limit. And, since Android 3.0, apps can request a "large heap", usually in the hundreds of MB range, but that's considered poor form for most apps.
Furthermore, I noticed that some apps of mine crash with an OutOfMemoryException when using around 30...
cannot load such file — bundler/setup (LoadError)
I'm setting Rails 4 application with Ruby 2.0, but I'm getting "Web application could not be started" and get this trace:
1...
How can one use multi threading in PHP applications
...tion run() {
if ($this->arg) {
$sleep = mt_rand(1, 10);
printf('%s: %s -start -sleeps %d' . "\n", date("g:i:sa"), $this->arg, $sleep);
sleep($sleep);
printf('%s: %s -finish' . "\n", date("g:i:sa"), $this->arg);
}
}
}
// ...
What is the logic behind the “using” keyword in C++?
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120
In C++11, the using keyword when used for type alias is identical to typedef.
7.1.3.2
A typedef...
How to find if a given key exists in a C++ std::map
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edited Aug 28 '13 at 9:05
answered Dec 21 '09 at 12:58
a...
defaultdict of defaultdict?
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602
Yes like this:
defaultdict(lambda: defaultdict(int))
The argument of a defaultdict (in this ...
How to make all Objects in AWS S3 bucket public by default?
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304
Go to http://awspolicygen.s3.amazonaws.com/policygen.html
Fill in the details such as:
In Act...