大约有 19,594 项符合查询结果(耗时:0.0278秒) [XML]

https://stackoverflow.com/ques... 

Why does a base64 encoded string have an = sign at the end

I know what base64 encoding is and how to calculate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end. ...
https://stackoverflow.com/ques... 

How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)

...icorn.log file I found this error message: app error: Missing `secret_key_base` for 'production' environment, set this value in `config/secrets.yml` (RuntimeError) After some research I found out that Rails 4.1 changed the way to manage the secret_key, so if you read the secrets.yml file located ...
https://stackoverflow.com/ques... 

C# 'is' operator performance

...he performance difference isn't worth considering the coding overhead. My base and derived classes class MyBaseClass { public enum ClassTypeEnum { A, B } public ClassTypeEnum ClassType { get; protected set; } } class MyClassA : MyBaseClass { public MyClassA() { ClassType ...
https://stackoverflow.com/ques... 

The input is not a valid Base-64 string as it contains a non-base 64 character

... another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters are getting introduced into the stream. ...
https://stackoverflow.com/ques... 

How can I specify the base for Math.log() in JavaScript?

I need a log function for JavaScript, but it needs to be base 10. I can't see any listing for this, so I'm assuming it's not possible. Are there any math wizards out there who know a solution for this? ...
https://stackoverflow.com/ques... 

Why does parseInt(1/0, 19) return 18?

...nfinity". So it works the same as if you asked it to convert "Infinity" in base 19 to decimal. Here are the digits in base 19 along with their decimal values: Base 19 Base 10 (decimal) --------------------------- 0 0 1 1 2 2 3 3 4 ...
https://stackoverflow.com/ques... 

Virtual/pure virtual explained

...han just the level at which it was created. Therefore if one method of the base class calls a virtual method, the version defined in the derived class will be used instead of the version defined in the base class. This is in contrast to non-virtual functions, which can still be overridden in a der...
https://stackoverflow.com/ques... 

List all base classes in a hierarchy of given class?

... (whether it is a new-style class or not), how do you generate all the base classes - anywhere in the inheritance hierarchy - it issubclass of? ...
https://stackoverflow.com/ques... 

Base64 length calculation?

After reading the base64 wiki ... 15 Answers 15 ...
https://stackoverflow.com/ques... 

How to display Base64 images in HTML?

I'm having trouble displaying a Base64 image inline. 11 Answers 11 ...