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convert an enum to another type of enum
...), value.ToString());
If you mean by numeric value, you can usually just cast:
Enum2 value2 = (Enum2)value;
(with the cast, you might want to use Enum.IsDefined to check for valid values, though)
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How can I detect if the user is on localhost in PHP?
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@Pekka웃 you can just send e.g. Host: 127.0.0.1 and it would be populated in HTTP_HOST, so it's not reliable method at all.
– Dejan Marjanović
Mar 19 '13 at 15:49
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程序员之网络安全系列(五):数字证书以及12306的证书问题 - 更多技术 - ...
...明文的形式写到证书里面,然后用一个指纹算法(SHA1或者MD5 )计算出这些数字证书内容的一个指纹(摘要),并把指纹和指纹算法用自己的私钥D进行加密,然后和证书的内容一起发给Amazon.com。
Symantec(CA) 把私钥B给Amazon.com.
如何使...
How do I convert an object to an array?
...Single-dimensional arrays
For converting single-dimension arrays, you can cast using (array) or there's get_object_vars, which Benoit mentioned in
his answer.
// Cast to an array
$array = (array) $object;
// get_object_vars
$array = get_object_vars($object);
They work slightly different fro...
Get type of a generic parameter in Java with reflection
... I get this exception : Exception in thread "main" java.lang.ClassCastException: java.lang.Class cannot be cast to java.lang.reflect.ParameterizedType not sure what is the constraint .
– Dish
Feb 29 '16 at 14:25
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How to check the version before installing a package using apt-get?
...ow the version details.
It also shows which version is currently installed and which versions are available to install.
For example, apt-cache policy hylafax+
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List of Delphi language features and version in which they were introduced/deprecated
...dynamic arrays to a pointer using the @ operator is only allowed when hard-casting the array.
More flexible namespace resolution of unit names
Delphi 10.1 Berlin
Native support for Utf8String and RawByteString type on all platforms
The [weak], [unsafe] and [volatile] attributes are support...
How do I check for nulls in an '==' operator overload without infinite recursion?
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Cast to object in the overload method:
public static bool operator ==(Foo foo1, Foo foo2) {
if ((object) foo1 == null) return (object) foo2 == null;
return foo1.Equals(foo2);
}
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Get value of c# dynamic property via string
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-1. This only work with simple .NET objects that were casted to dynamic. It will not work with any custom dynamic object like Expando or ViewBag used ASP.NET MVC
– Philipp Munin
Jan 28 '15 at 19:12
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What is Type-safe?
...hon)), some of them will actually give you a runtime error on invalid type casting.
While its convenient, it opens you up to a lot of errors that can be easily missed, and only identified by testing the running program. Personally, I prefer to have my compiler tell me if I made that mistake.
Now, ...
