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Linq select objects in list where exists IN (A,B,C)
...ay if it contains more than 1000 items. var allowedStatus = new HashSet<string> { "A", "B", "C" };
– Jay Shah
Nov 9 '18 at 18:14
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What's the difference between struct and class in .NET?
... its own copy.
This can be shown with an example:
struct MyStruct
{
string MyProperty { get; set; }
}
void ChangeMyStruct(MyStruct input)
{
input.MyProperty = "new value";
}
...
// Create value type
MyStruct testStruct = new MyStruct { MyProperty = "initial value" };
ChangeMyStruct(...
How to declare a friend assembly?
....GetName();
Console.WriteLine("{0}, PublicKey={1}",
assemblyName.Name,
string.Join("", assemblyName.GetPublicKey().Select(m => string.Format("{0:x2}", m))));
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How do I get the type name of a generic type argument?
...g, functioning program:
using System;
class Program
{
public static string MyMethod<T>()
{
return typeof(T).FullName;
}
static void Main(string[] args)
{
Console.WriteLine(MyMethod<int>());
Console.ReadKey();
}
}
Running the above p...
Byte[] to InputStream or OutputStream
... can convert byte[] array into input stream by using ByteArrayInputStream
String str = "Welcome to awesome Java World";
byte[] content = str.getBytes();
int size = content.length;
InputStream is = null;
byte[] b = new byte[size];
is = new ByteArrayInputStream(content);
For ful...
Google Chrome display JSON AJAX response as tree and not as a plain text
... Unfortunately this still doesn't force Chrome to turn the JSON string into tree. Thanks though!
– GRboss
Oct 8 '10 at 8:42
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Save classifier to disk in scikit-learn
...ed scikit-learn estimators, but can only
pickle to the disk and not to a string:
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Get the value of an instance variable given its name
In general, how can I get a reference to an object whose name I have in a string?
2 Answers
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How do HTML parses work if they're not using regexp?
...uestions every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
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Linq: GroupBy, Sum and Count
... ProductName = cl.First().Name,
Quantity = cl.Count().ToString(),
Price = cl.Sum(c => c.Price).ToString(),
}).ToList();
The use of First() here to get the product name assumes that every product with the same product code has the same product name....