大约有 19,594 项符合查询结果（耗时：0.0205秒） [XML]
ArrayBuffer to base64 encoded string
I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post.
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... pointer if the object referred to doesn't contain the type casted to as a base class (when you cast to a reference, a bad_cast exception is thrown in that case).
if (JumpStm *j = dynamic_cast<JumpStm*>(&stm)) {
...
} else if (ExprStm *e = dynamic_cast<ExprStm*>(&stm)) {
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Abstract functions in Swift Language
...cept of abstract in Swift (like Objective-C) but you can do this :
class BaseClass {
func abstractFunction() {
preconditionFailure("This method must be overridden")
}
}
class SubClass : BaseClass {
override func abstractFunction() {
// Override
}
}
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Encoding an image file with base64
I want to encode an image into a string using the base64 module. I've ran into a problem though. How do I specify the image I want to be encoded? I tried using the directory to the image, but that simply leads to the directory being encoded. I want the actual image file to be encoded.
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Why does an overridden function in the derived class hide other overloads of the base class?
... drastic shift in overload resolution results.
For example, let's say the base class B has a member function foo that takes a parameter of type void *, and all calls to foo(NULL) are resolved to B::foo(void *). Let's say there's no name hiding and this B::foo(void *) is visible in many different cl...
How can I set Image source with base64
I want to set the Image source to a base64 source but it does not work:
4 Answers
4
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Convert integer to binary in C#
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Convert from any classic base to any base in C#
String number = "100";
int fromBase = 16;
int toBase = 10;
String result = Convert.ToString(Convert.ToInt32(number, fromBase), toBase);
// result == "256"
Supported bases are 2, 8, 10 and 16
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Is there a way to instantiate objects from a string holding their class name?
I have a file: Base.h
9 Answers
9
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App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希...
...：MD5哈希，SHA1和SHA256哈希，AES加密/解密，RSA加密/解密，BASE64编码/解码
Encrypt.Security 安全性扩展
权限
事件
OnErrorOccured
OnRsaKeyPairGenrated
方法
BASE64Encode
BASE64Deco...
How do you embed binary data in XML?
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You could encode the binary data using base64 and put it into a Base64 element; the below article is a pretty good one on the subject.
Handling Binary Data in XML Documents
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