What is the fastest, easiest tool or method to convert text files between character sets? Specifically, I need to convert from UTF-8 to ISO-8859-15 and vice versa. Everything goes: one-liners in your favorite scripting language, command-line tools or other utilities for OS, web sites, etc. Best solutions so far: On Linux/UNIX/OS X/cygwin: Gnu iconv suggested … Read more
What are the differences between UTF-8, UTF-16, and UTF-32? I understand that they will all store Unicode, and that each uses a different number of bytes to represent a character. Is there an advantage to choosing one over the other? 14 s 14 UTF-8 has an advantage in the case where ASCII characters represent the … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 2 years ago. Improve this question I have an Excel file that has some Spanish characters (tildes, etc.) that I need to convert to a … Read more
I have heard conflicting opinions from people – according to the Wikipedia UTF-8 page. They are the same thing, aren’t they? Can someone clarify? 18 s 18 Let me use an example to illustrate this topic: A Chinese character: 汉 its Unicode value: U+6C49 convert 6C49 to binary: 01101100 01001001 Nothing magical so far, it’s … Read more
Sample code: >>> import json >>> json_string = json.dumps(“ברי צקלה”) >>> print(json_string) “\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4” The problem: it’s not human readable. My (smart) users want to verify or even edit text files with JSON dumps (and I’d rather not use XML). Is there a way to serialize objects into UTF-8 JSON strings (instead of \uXXXX)? Best … Read more
What’s different between UTF-8 and UTF-8 without a BOM? Which is better? 2Best Answer 21 The UTF-8 BOM is a sequence of bytes at the start of a text stream (0xEF, 0xBB, 0xBF) that allows the reader to more reliably guess a file as being encoded in UTF-8. Normally, the BOM is used to signal … Read more
Between utf8_general_ci and utf8_unicode_ci, are there any differences in terms of performance? 8
I’m setting up a new server and want to support UTF-8 fully in my web application. I have tried this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1. Where exactly do I need to set the encoding/charsets? I’m aware that I need to configure Apache, … Read more
I’m getting a compile error at the following method. public static boolean isValidPasswd(String passwd) { String reg = “^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[~#;:?/@&!\”‘%*=¬.,-])(?=[^\\s]+$).{8,24}$”; return Pattern.matches(reg, passwd); } at Utility.java:[76,74] unmappable character for enoding UTF-8. 74th character is’ ” ‘ How can I fix this? Thanks.
