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Java Enum definition
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Your solution has an unchecked cast: return (CHILD) this; Consider adding a getThis() method: protected CHILD getThis() { return this; } See: angelikalanger.com/GenericsFAQ/FAQSections/…
– Roland
Nov 28 '1...
How do you disable browser Autocomplete on web form field / input tag?
...om the user.
We are the third browser to implement this change, after IE and Chrome.
According to the Mozilla Developer Network documentation, the Boolean form element attribute autocomplete prevents form data from being cached in older browsers.
<input type="text" name="foo" autocomplete...
Order of event handler execution
...store for a particular event. The default backing store for events, multi-cast delegates, are documented as executing in registration order. This will not change in a future framework version. What may change is the backing store used for a particular event.
– HappyNomad
...
static const vs #define
...mpile, though you can wrap an enum into a class with implicit constructor, casting operator and user-defined operators)
each constant's type taken from the enclosing enum, so template <typename T> void f(T) get a distinct instantiation when passed the same numeric value from different enums, a...
AddRange to a Collection
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Try casting to List in the extension method before running the loop. That way you can take advantage of the performance of List.AddRange.
public static void AddRange<T>(this ICollection<T> destination,
...
Invalid argument supplied for foreach()
...
Please do not depend on casting as a solution,
even though others are suggesting this as a valid option to prevent an error, it might cause another one.
Be aware: If you expect a specific form of array to be returned, this might fail you. More chec...
Which method performs better: .Any() vs .Count() > 0?
...WHEN ( EXISTS (SELECT
1 AS [C1]
FROM [Table] AS [Extent1]
)) THEN cast(1 as bit) WHEN ( NOT EXISTS (SELECT
1 AS [C1]
FROM [Table] AS [Extent2]
)) THEN cast(0 as bit) END AS [C1]
FROM ( SELECT 1 AS X ) AS [SingleRowTable1]
that requires 2 scans of rows with your condition.
I don...
config.assets.compile=true in Rails production, why not?
...or a file in /assets is passed to Sprockets. On the first request for each and every asset it is compiled and cached in whatever Rails is using for cache (usually the filesystem).
On subsequent requests Sprockets receives the request and has to look up the fingerprinted filename, check that the fil...
How to get the Power of some Integer in Swift language?
...x errors, this works exactly how you expected it to. All you have to do is cast a and b to Double and pass the values to pow. Then, if you're working with 2 Ints and you want an Int back on the other side of the operation, just cast back to Int.
import Darwin
let a: Int = 3
let b: Int = 3
let x:...
String comparison using '==' vs. 'strcmp()'
...
this is beacuse using '==' if one of the two operands is castable to number, php casts both the operands to numbers, and more, if a not number string is casted to number, it takes value zero, resulting equals to zero, so the result of the comparison with simple '==' can something u...
