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How to calculate the SVG Path for an arc (of a circle)
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Em>x m>panding on @wdebeaum's great answer, here's a method for generating an arced path:
function polarToCartesian(centerm>X m>, centerY, radius, angleInDegrees) {
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0;
r...
How to make rpm auto install dependencies
...cal repository, e.g. /home/user/repo.
Move the RPMs into that directory.
Fim>x m> some ownership and filesystem permissions:
# chown -R root.root /home/user/repo
Install the createrepo package if not installed yet, and run
# createrepo /home/user/repo
# chmod -R o-w+r /home/user/repo
Create a reposit...
How to reference generic classes and methods in m>x m>ml documentation
When writing m>x m>ml documentation you can use <see cref="something">something</see> , which works of course. But how do you reference a class or a method with generic types?
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Convert RGB to RGBA over white
I have a hem>x m> color, e.g. #F4F8FB (or rgb(244, 248, 251) ) that I want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
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Filtering collections in C#
...vert back to a List<T>.
List<int> filteredList = myList.Where( m>x m> => m>x m> > 7).ToList();
If you can't find the .Where, that means you need to import using System.Linq; at the top of your file.
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How to determine whether a given Linum>x m> is 32 bit or 64 bit?
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Try uname -m. Which is short of uname --machine and it outputs:
m>x m>86_64 ==> 64-bit kernel
i686 ==> 32-bit kernel
Otherwise, not for the Linum>x m> kernel, but for the CPU, you type:
cat /proc/cpuinfo
or:
grep flags /proc/cpuinfo
Under "flags" parameter, you will see various va...
Apply a function to every row of a matrim>x m> or a data frame
Suppose I have a n by 2 matrim>x m> and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrim>x m> and get a n-vector. How to do this in R?
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Calling Java varargs method with single null argument?
...gle argument it assumes the latter.
You have two choices. Cast the null em>x m>plicitly to Object or call the method using a strongly typed variable. See the em>x m>ample below:
public class Temp{
public static void main(String[] args){
foo("a", "b", "c");
foo(null, null);
foo((Object...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
...d/or abbreviations, as the conversion will depend on your locale (see the em>x m>amples in ?strptime and read ?LC_TIME).
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How does Google Instant work?
Any ideas on em>x m>actly how the new google instant search works? It seems to just be AJAm>X m> calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations?
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