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How do I convert a byte array to Base64 in Java?
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Java 8+
Encode or decode byte arrays:
byte[] encoded = Base64.getEncoder().encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = Base64.getDecoder().decode(encoded);
println(new String(decoded)) // Outputs "Hello"
Or if you just w...
How to convert an image to base64 encoding?
Can you please guide me how can I convert an image from a URL to base64 encoding?
9 Answers
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Passing base64 encoded strings in URL
Is it safe to pass raw base64 encoded strings via GET parameters?
10 Answers
10
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Decode Base64 data in Java
I have an image that is Base64 encoded. What is the best way to decode that in Java? Hopefully using only the libraries included with Sun Java 6.
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糯米推全景地图 让竞争对手们如何接招？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...以看到自己想要看到的场景，而别的平台只能看到呆板的图片，顾客愿意选择那个平台呢？预知权、信任感、安全感，这才是顾客最想要的。我们可以设想，顾客想去某家吃饭，得看看干净卫生不，餐厅的环境是否优雅，位置是...
How to save a PNG image server-side, from a base64 data string
...o convert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
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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.
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Base64 length calculation?
After reading the base64 wiki ...
15 Answers
15
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Http Basic Authentication in Java using HttpClient?
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Have you tried this (using HttpClient version 4):
String encoding = Base64Encoder.encode(user + ":" + pwd);
HttpPost httpPost = new HttpPost("http://host:post/test/login");
httpPost.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + encoding);
System.out.println("executing request " + httpPost....
Why do we use Base64?
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Your first mistake is thinking that ASCII encoding and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64, you...