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Instance variables vs. class variables in Python
...answered Apr 26 '10 at 15:16
Alem>x m> MartelliAlem>x m> Martelli
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Is having an 'OR' in an INNER JOIN condition a bad idea?
...ind of JOIN is not optimizable to a HASH JOIN or a MERGE JOIN.
It can be em>x m>pressed as a concatenation of two resultsets:
SELECT *
FROM maintable m
JOIN othertable o
ON o.parentId = m.id
UNION
SELECT *
FROM maintable m
JOIN othertable o
ON o.id = m.parentId
, each of them ...
How to create a unique indem>x m> on a NULL column?
.../sqlservercodebook.blogspot.com/2008/04/multiple-null-values-in-unique-indem>x m>-in.html
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Convert a number range to another range, maintaining ratio
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NewValue = (((OldValue - OldMin) * (NewMam>x m> - NewMin)) / (OldMam>x m> - OldMin)) + NewMin
Or a little more readable:
OldRange = (OldMam>x m> - OldMin)
NewRange = (NewMam>x m> - NewMin)
NewValue = (((OldValue - OldMin) * NewRange) / OldRange) + NewMin
Or if you want to pr...
How to verify that method was NOT called in Moq?
...k strict so it will fail if you call a method for which you don't have an em>x m>pect
new Mock<IMoq>(MockBehavior.Strict)
Or, if you want your mock to be loose, use the .Throws( Em>x m>ception )
var m = new Mock<IMoq>(MockBehavior.Loose);
m.Em>x m>pect(a => a.moo()).Throws(new Em>x m>ception("Shouldn...
How default .equals and .hashCode will work for my classes?
...valence relation on objects; that is, for any non-null reference values m>x m> and y, this method returns
true if and only if m>x m> and y refer to the same object (m>x m> == y has the value true).
hashCode
As much as is reasonably practical, the hashCode method defined by class Object does return dist...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
I've been wondering what the em>x m>act meaning of Runtime.getRuntime().totalMemory() , Runtime.getRuntime().freeMemory() , and Runtime.getRuntime().mam>x m>Memory() is.
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How do I create a WPF Rounded Corner container?
We are creating an m>X m>BAP application that we need to have rounded corners in various locations in a single page and we would like to have a WPF Rounded Corner container to place a bunch of other elements within. Does anyone have some suggestions or sample code on how we can best accomplish this? E...
Sequence contains more than one element
...leOrDefault. This method will only succeed when the collections contains em>x m>actly 0 or 1 element. I believe you are looking for FirstOrDefault which will succeed no matter how many elements are in the collection.
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How do you commit code as a different user?
...:
--author=<author>
Override the commit author. Specify an em>x m>plicit author
using the standard A U Thor <author@em>x m>ample.com> format. Otherwise
<author> is assumed to be a pattern
and is used to search for an em>x m>isting
commit by that author (i.e. rev-list --all -i --a...