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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...oduces the following compilation error:
Constant value '500500' cannot be converted to a 'char'
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It is not possible as when you convert it back to dictionary it will change to the unordered collection as dictionaries in swift are unordered collection developer.apple.com/documentation/swift/dictionary
– Jaimin
Jul...
Min/Max-value validators in asp.net mvc
... }
public override bool IsValid(object value)
{
return Convert.ToDouble(value) >= _minValue;
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
var rule = new ModelClientValid...
How to use SCNetworkReachability in Swift
I'm trying to convert this code snippet to Swift. I'm struggling on getting off the ground due to some difficulties.
7 An...
Is there an alternative sleep function in C to milliseconds?
I have some source code that was compiled on Windows. I am converting it to run on Red Hat Linux.
6 Answers
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Why use the 'ref' keyword when passing an object?
...orm "Object #8675309"; they don't even hold anything that can meaningfully converted into a number. Even though each reference-type variable will hold some bit pattern, there is no fixed relationship between the bit patterns stored in such variables and the objects they identify. There is no way c...
How do I execute a stored procedure once for each row returned by query?
...r INSERT and DELETEs. If you need to do multiple updates with IFs you can convert those to multiple UPDATE FROM with the #temp table and use CASE statements or WHERE conditions.
When working in a database try to lose the mindset of looping, it is a real performance drain, will cause locking/blocki...
Short description of the scoping rules?
...on module is the __main__; all imported modules are accessible through the sys.modules variable; to get access to __main__ one can use sys.modules['__main__'], or import __main__; it is perfectly acceptable to access and assign attributes there; they will show up as variables in the global scope of ...
How do function pointers in C work?
...also valid since the standard says that a function name in this context is converted to the address of the function.
– hlovdal
May 9 '09 at 14:39
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How do I URL encode a string
...dCharacters:NSCharacterSet.URLQueryAllowedCharacterSet];
To specifically convert '&', you'll need to remove it from the url query set or use a different set, as '&' is allowed in a URL query:
NSMutableCharacterSet *chars = NSCharacterSet.URLQueryAllowedCharacterSet.mutableCopy;
[chars rem...