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Repeat each row of data.frame the number of times specified in a column
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answered May 24 '10 at 5:01
neilfwsneilfws
23.4k55 gold badges4242 silver badges5050 bronze badges
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CSS: Set a background color which is 50% of the width of the window
... this on a spare div element:
#background {
position: fixed;
top: 0;
left: 0;
width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution uses an extra fixed div that fills half the screen. Since it's fixed, it will remain in...
Java dynamic array sizes?
... one and copy the data from the old to the new:
int[] oldItems = new int[10];
for (int i = 0; i < 10; i++) {
oldItems[i] = i + 10;
}
int[] newItems = new int[20];
System.arraycopy(oldItems, 0, newItems, 0, 10);
oldItems = newItems;
If you find yourself in this situation, I'd highly recomme...
How to make space between LinearLayout children?
...there to be some space between the views. I have tried adding: setPadding(0, 1, 0, 1) to my CustomView constructor, but this doesn't seem to have any effect. Any advice?
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Artificially create a connection timeout error
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answered Sep 19 '08 at 10:02
AlexanderAlexander
8,29422 gold badges2121 silver badges2121 bronze badges
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When is the thread pool used?
...the thread pool is required and created: process.env.UV_THREADPOOL_SIZE = 10;
If you want traditional multi-processing or multi-threading in node, you can get it through the built in cluster module or various other modules such as the aforementioned webworker-threads, or you can fake it by imple...
navbar color in Twitter Bootstrap
...can I change the background color of the navbar of the Twitter Bootstrap 2.0.2? How can I change color of all the elements of the navbar to reflect the background color?
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Rebase array keys after unsetting elements
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– Lightness Races in Orbit
May 9 '11 at 22:20
16
Yes, ordering is definitely maintained. Would be a hideo...
Can someone explain the right way to use SBT?
...dicates to use:
libraryDependencies += "org.scalaz" %% "scalaz-core" % "6.0.4"
Or https://github.com/typesafehub/sbteclipse/ has instructions on where to add:
addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.1.0-RC1")
For Java-based dependencies, I use http://mvnrepository.com...
Check if a class has a member function of a given signature
...gt; static int Test(...);
static const bool Has = sizeof(Test<T>(0)) == sizeof(char);
};
template<typename TMap>
void ReportMemUsage(const TMap& m, std::true_type)
{
// We may call used_memory() on m here.
}
template<typename TMap>
void ReportMemUsage(const TMap&am...