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How can I make the computer beep in C#?
How do I make the computer's internal speaker beep in C# without external speakers?
6 Answers
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R memory management / cannot allocate vector of size n Mb
...ly, or can the matrix be sparse? There is good support in R (see Matrix package for e.g.) for sparse matrices.
Keep all other processes and objects in R to a minimum when you need to make objects of this size. Use gc() to clear now unused memory, or, better only create the object you need in one s...
How to generate a number of most distinctive colors in R?
... number n , how can I get n number of MOST distinctive colors in R? Thanks.
10 Answers
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Static extension methods [duplicate]
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How to remove all white spaces in java [duplicate]
I have a programming assignment and part of it requires me to make code that reads a line from the user and removes all the white space within that line.
the line can consist of one word or more.
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Is there an easy way to create ordinals in C#?
...s.
Also note, this is not internationalized. I've no idea what ordinals look like in other languages.
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How to set bootstrap navbar active class with Angular JS?
... @SvenHecht The concern with that logic is that a home page link (/) would match every other path.
– mwotton
Apr 28 '15 at 5:44
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How to access the last value in a vector?
... a vector that is nested in a dataframe one or two levels. Is there a quick and dirty way to access the last value, without using the length() function? Something ala PERL's $# special var?
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How can I read a function's signature including default argument values?
...int(inspect.getargspec(foo))
# ArgSpec(args=['a', 'b', 'x'], varargs=None, keywords=None, defaults=('blah',))
However, note that inspect.getargspec() is deprecated since Python 3.0.
Python 3.0--3.4 recommends inspect.getfullargspec().
Python 3.5+ recommends inspect.signature().
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How can I initialise a static Map?
... why you need an extra anonymous class just to initialize. And it won't work if the class being created is final.
You can create an immutable map using a static initialiser too:
public class Test {
private static final Map<Integer, String> myMap;
static {
Map<Integer, Stri...
