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How do I space out the child elements of a StackPanel?
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Use Margin or Padding, applied to the scope within the container:
<StackPanel>
<StackPanel.Resources>
<Style TargetType="{x:Type TextBox}">
<Setter Property="Margin" Value="0,10,0,0"/>
</Style>
</Stac...
Ruby: Calling class method from instance
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Rather than referring to the literal name of the class, inside an instance method you can just call self.class.whatever.
class Foo
def self.some_class_method
puts self
end
def some_instance_method
self.class.some_class_method...
How can I get every nth item from a List?
I'm using .NET 3.5 and would like to be able to obtain every * n *th item from a List. I'm not bothered as to whether it's achieved using a lambda expression or LINQ.
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How do I best silence a warning about unused variables?
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You can put it in "(void)var;" expression (does nothing) so that a compiler sees it is used. This is portable between compilers.
E.g.
void foo(int param1, int param2)
{
(void)param2;
bar(param1);
}
Or,
#define UNUSED(expr) d...
Git error when trying to push — pre-receive hook declined
When I try and push a change I've commited, I get the following error ...
27 Answers
2...
Is there any method to get the URL without query string?
I have a URL like http://localhost/dms/mduserSecurity/UIL/index.php?menu=true&submenu=true&pcode=1235 .
14 Answers...
Infinity symbol with HTML
How can I display an infinity symbol (like the one in the picture) using HTML?
9 Answers
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use Winmerge inside of Git to file diff
Is there a way to use Winmerge inside of git to do Diffs?
8 Answers
8
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Given a number, find the next higher number which has the exact same set of digits as the original n
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You can do it in O(n) (where n is the number of digits) like this:
Starting from the right, you find the first pair-of-digits such that the left-digit is smaller than the right-digit. Let's refer to the left-digit by "digit-x". Find ...
Webrick as production server vs. Thin or Unicorn?
It seems like it's taken for granted that you must not use Webrick as production server, but I can't really find anywhere mentioning why. The consensus seems to be:
"Webrick is ok for development, but Thin or Unicorn is the choice for production, period."
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