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Proper way to initialize a C# dictionary with values?
... static void Main(string[] args)
{
var myDict = new Dictionary<string, string>
{
{ "key1", "value1" },
{ "key2", "value2" }
};
Console.ReadKey();
}
}
Can you try to reproduce it in a simple Console application and go from there...
Select N random elements from a List in C#
... generic list. For example, I'd like to get 5 random elements from a List<string> .
29 Answers
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How to activate “Share” button in android app?
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Hello, In above method it seems to display multiple applications. I want to know which application used for sharing and after sharing complete i have to call one API. Is to possible to check which application used and also how to call API after sharing? Thank you...
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Where is shared_ptr?
... headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but still it doesn't show up! Can someone help me by telling exactly where to find it?
...
Sharing a URL with a query string on Twitter
...eb intent, this is the simple link:
https://twitter.com/intent/tweet?url=<?=urlencode($url)?>
more variables at https://dev.twitter.com/web/tweet-button/web-intent
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Sorting a vector in descending order
...d idea. Use either the second one, or this:
struct greater
{
template<class T>
bool operator()(T const &a, T const &b) const { return a > b; }
};
std::sort(numbers.begin(), numbers.end(), greater());
That way your code won't silently break when someone decides numbers sh...
Can an ASP.NET MVC controller return an Image?
...
Use the base controllers File method.
public ActionResult Image(string id)
{
var dir = Server.MapPath("/Images");
var path = Path.Combine(dir, id + ".jpg"); //validate the path for security or use other means to generate the path.
return base.File(path, "image/jpeg");...
Convert a matrix to a 1 dimensional array
...nal 'array'." You can simply change the dimensions of the matrix/array.
Elts_int <- as.matrix(tmp_int) # read.table returns a data.frame as Brandon noted
dim(Elts_int) <- (maxrow_int*maxcol_int,1)
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...al is included, but the end is excluded. So it means the interval "first1 <= x < last1".
Half-open intervals are useful in programming because they correspond to the common idiom for looping:
for (int i = 0; i < n; ++i) { ... }
Here i is in the range [0, n).
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
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new AsyncTask<Void, Void, Bitmap>() { protected void onPostExecute(Bitmap result) { image.setImageBitmap(result); }; @Override protected Bitmap doInBackground(Void... p...