Guessing the encoding of text represented as byte[] in Java

The following method solves the problem using juniversalchardet, which is a Java port of Mozilla’s encoding detection library. public static String guessEncoding(byte[] bytes) { String DEFAULT_ENCODING = “UTF-8”; org.mozilla.universalchardet.UniversalDetector detector = new org.mozilla.universalchardet.UniversalDetector(null); detector.handleData(bytes, 0, bytes.length); detector.dataEnd(); String encoding = detector.getDetectedCharset(); detector.reset(); if (encoding == null) { encoding = DEFAULT_ENCODING; } return encoding; } The … Read more

Is the u8 string literal necessary in C++11

The encoding of “Test String” is the implementation-defined system encoding (the narrow, possibly multibyte one). The encoding of u8″Test String” is always UTF-8. The examples aren’t terribly telling. If you included some Unicode literals (such as \U0010FFFF) into the string, then you would always get those (encoded as UTF-8), but whether they could be expressed … Read more

Unicode in PDF

In the PDF reference in chapter 3, this is what they say about Unicode: Text strings are encoded in either PDFDocEncoding or Unicode character encoding. PDFDocEncoding is a superset of the ISO Latin 1 encoding and is documented in Appendix D. Unicode is described in the Unicode Standard by the Unicode Consortium (see the Bibliography). … Read more

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