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Is 1.0 a valid output from std::generate_canonical?
...alues happen to round up to IEEE 1.0f but that's just unavoidable when you cast them to IEEE floats. If you want pure mathematical results, use a symbolic computation system; if you are trying to use IEEE floating-point to represent numbers that are within eps of 1, you are in a state of sin.
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How do I get a class instance of generic type T?
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java.lang.ClassCastException: java.lang.Class cannot be cast to java.lang.reflect.ParameterizedType
– Khan
May 6 at 15:46
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Is there a better alternative than this to 'switch on type'?
...ching-on-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a normal switch/case statement. For example, here is TypeSwitch in action on a standard Windows form event
TypeSwitch.Do(
sender,
TypeSwitch.Case<Button>(() => te...
How much is too much with C++11 auto keyword?
...bdas can't be spelled, so auto f = []... is good style. The alternative is casting to std::function but that comes with overhead.
I can't really conceive of an "abuse" of auto. The closest I can imagine is depriving yourself of an explicit conversion to some significant type -- but you wouldn't use...
How to get the original value of an attribute in Rails
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ActiveRecord's attributes_before_type_cast method returns a hash of attributes before typecasting and deserialization have occurred.
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Null or default comparison of generic argument in C#
...ype
Console.WriteLine("test".IsDefault());
// null must be cast to a type
Console.WriteLine(((String)null).IsDefault());
}
}
// The type cannot be generic
public static class TypeHelper
{
// I made the method generic instead
public static bool IsDefault<T>(...
Move an array element from one array position to another
...ve2 = function(pos1, pos2) {
// local variables
var i, tmp;
// cast input parameters to integers
pos1 = parseInt(pos1, 10);
pos2 = parseInt(pos2, 10);
// if positions are different and inside array
if (pos1 !== pos2 && 0 <= pos1 && pos1 <= this.lengt...
How can I use NSError in my iPhone App?
...this is a pretty awesome answer, although there are some issues in ARC and casting the id to a BOOL. Any slight ARC compatible variation would be much appreciated.
– NSTJ
Dec 5 '12 at 17:28
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How to reverse a singly linked list using only two pointers?
... this the same way you can swap two numbers without using a third. Simply cast the pointers to a int/long and perform the XOR operation a couple of times. This is one of those C tricks that makes for a fun question, but doesn't have any practical value.
Can you reduce the O(n) complexity? No, ...
Using a Single Row configuration table in SQL Server database. Bad idea?
...ing with the settings in code, you have to know what type a setting is and cast it
The single row option is by far the easiest one to work with. This is because you can store each setting in its correct type in the database and not have to store the types of the settings as well as their lookup key...