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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inheri...
Sort a single String in Java
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toCharArray followed by Arrays.sort followed by a String constructor call:
import java.util.Arrays;
public class Test
{
public static void main(String[] args)
{
String original = "edcba";
char[] chars = original.toCharArray();
Arrays.sort(chars);
String...
Print function log /stack trace for entire program using firebug
Firebug has the ability to log calls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls for the entire program, or som...
Best way to specify whitespace in a String.Split operation
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If you just call:
string[] ssize = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page...
Passing a string with spaces as a function argument in bash
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This works very well for me also. If we are calling another function inside myFunction then pass arguments with quotes. Cheers :)
– minhas23
May 8 '14 at 11:04
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How do I raise a Response Forbidden in django
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Maxime Lorant
26.6k1616 gold badges7878 silver badges8686 bronze badges
answered Jul 8 '11 at 1:20
Ignacio Vazquez-Abram...
How to put more than 1000 values into an Oracle IN clause [duplicate]
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Personally I'd put the values into the temp table and use a JOIN to query the values. I don't know whether that's actually better performance or not, though.
– Neil Barnwell
Dec 30 '08 at 14:...
Hidden features of Ruby
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From Ruby 1.9 Proc#=== is an alias to Proc#call, which means Proc objects can be used in case statements like so:
def multiple_of(factor)
Proc.new{|product| product.modulo(factor).zero?}
end
case number
when multiple_of(3)
puts "Multiple of 3"
when multiple...
When to use thread pool in C#? [closed]
...l vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some considerations you use when making this programming decision?
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How to get the build/version number of your Android application?
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@Felix you can't call getPackageManager() outside of context, so getApplicationContext() (or passed context) might be needed.
– Sver
Sep 24 '12 at 7:06
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