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How is pattern matching in Scala implemented at the bytecode level?
...atterns like or patterns and combinations like "case Foo(45, x)", but generally those are just logical extensions of what I just described. Patterns can also have guards, which are additional constraints on the predicates. There are also cases where the compiler can optimize pattern matching, e.g...
%Like% Query in spring JpaRepository
...i.e. using the single line
List<Registration> findByPlaceContaining(String place);
is sufficient.
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Change the URL in the browser without loading the new page using JavaScript
... much of an issue if non-reload changes were restricted to the path, query string, and fragment—i.e. not the authority (domain and such).
– Ollie Saunders
Jun 16 '10 at 14:16
2
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How do I get Gridview to render THEAD?
...during postback and placed the code in the databound event which addressed all scenarios.
– James Westgate
Jun 10 '15 at 8:12
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Using sed and grep/egrep to search and replace
... .jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
6 Answers
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What should I set JAVA_HOME environment variable on macOS X 10.6?
...a_home)
I haven't experienced any problems with that technique.
Occasionally I do have to change the value of JAVA_HOME to an earlier version of Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running:
export JAVA_HOM...
How to get the Display Name Attribute of an Enum member via MVC razor code?
...e));
}
return enumValues;
}
public static T Parse(string value)
{
return (T)Enum.Parse(typeof(T), value, true);
}
public static IList<string> GetNames(Enum value)
{
return value.GetType().GetFields(BindingFlags.Static | BindingFlags.Pub...
How to create a zip file in Java
...
Look at this example:
StringBuilder sb = new StringBuilder();
sb.append("Test String");
File f = new File("d:\\test.zip");
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(f));
ZipEntry e = new ZipEntry("mytext.txt");
out.putNextEnt...
File being used by another process after using File.Create()
...le is already open. You don't really need the file.Create method at all:
string filePath = @"c:\somefilename.txt";
using (StreamWriter sw = new StreamWriter(filePath, true))
{
//write to the file
}
The boolean in the StreamWriter constructor will cause the contents to be appended if the file...
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
...
Just save the string to a temp variable and then use that in your expression:
var strItem = item.Key.ToString();
IQueryable<entity> pages = from p in context.pages
where p.Serial == strItem
...