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What is the best way to clone/deep copy a .NET generic Dictionary?
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Dictionary<string, int> dictionary = new Dictionary<string, int>();
Dictionary<string, int> copy = new Dictionary<string, int>(dictionary);
share...
Possible Loss of Fraction
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When you divide two int's into a floating point value the fraction portion is lost. If you cast one of the items to a float, you won't get this error.
So for example turn 10 into a 10.0
double returnValue = (myObject.Value / 10.0);
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What is the difference between the $parse, $interpolate and $compile services?
...ing the $interpolate provider to render our template against an Object and convert it into DOM nodes."
– Nadav Lebovitch
Aug 14 '14 at 18:27
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How do I create a parameterized SQL query? Why Should I?
...lue("@Baz", Baz), you could do that, but you shouldn't, especially because converting string values that map by default to nvarchar to the actual varchar type is one of the most common places that can trigger the effects mentioned in that link.
– Joel Coehoorn
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Which is better, number(x) or parseFloat(x)?
... they had typed '1'. The only time I really make an exception is when I am converting a style to a number, in which case parseFloat is helpful because styles come in a form like '3px', in which case I want to drop the 'px' part and just get the 3, so I find parseFloat helpful here. But really which ...
Multi-gradient shapes
...new ShapeDrawable.ShaderFactory() {
@Override
public Shader resize(int width, int height) {
LinearGradient lg = new LinearGradient(0, 0, width, height,
new int[]{Color.GREEN, Color.GREEN, Color.WHITE, Color.WHITE},
new float[]{0,0.5f,.55f,1}, Shader.TileMode.R...
Benefits of using the conditional ?: (ternary) operator
...er the if/else equivalent without sacrificing readability.
Good example:
int result = Check() ? 1 : 0;
Bad example:
int result = FirstCheck() ? 1 : SecondCheck() ? 1 : ThirdCheck() ? 1 : 0;
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Obtaining a powerset of a set in Java
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return sets;
}
And a test, given your example input:
Set<Integer> mySet = new HashSet<Integer>();
mySet.add(1);
mySet.add(2);
mySet.add(3);
for (Set<Integer> s : SetUtils.powerSet(mySet)) {
System.out.println(s);
}
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Reason to Pass a Pointer by Reference in C++?
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You would want to pass a pointer by reference if you have a need to modify the pointer rather than the object that the pointer is pointing to.
This is similar to why double pointers are used; using a reference to a pointer is slightly safer than using...
Set database timeout in Entity Framework
...r connection string='Data Source=localhost;
Initial Catalog=AdventureWorks;Integrated Security=True;Connection Timeout=60;
multipleactiveresultsets=true'" providerName="System.Data.EntityClient" />
</connectionStrings>
Source: How to: Define the Connection String
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