I have implemented customized encoding mechanism for javaUTF16. Does this implementation support all the characters? public class Encoding { public static void main(String[] args) { byte [] arr = new byte[1000]; String str = “abcde” ; //even this encoding works supplementary characters Encode(arr,0,str); System.out.println(Decode(arr,str.length())); } public static byte[] Encode(byte[] ByteArray , int offset ,String str) … Read more
Here’s a fun snippet I ran into today: /\ba/.test(“a”) –> true /\bà/.test(“à”) –> false However, /à/.test(“à”) –> true Firstly, wtf? Secondly, if I want to match an accented character at the start of a word, how can I do that? (I’d really like to avoid using over-the-top selectors like /(?:^|\s|’|\(\) ….) Answer This worked for … Read more
I’m looking for a quick way to turn something like: let germany = “DE” into let flag = “\u{1f1e9}\u{1f1ea}” ie, what’s the mapping of D to 1f1e9 and E to 1f1ea I was looking at .utf8 for the string, but this returns an integer. FWIW my general goal is to be able to take an … Read more
I would like to display a ‘refresh’ symbol in an HTML/JavaScript app I’m creating, but I do not want to make any HTTP requests to load an image. How can I do this reliably across all major browsers? The closest Unicode value I could find is: ↺ (↺), but the arrow is pointing the wrong … Read more
I tried to backport a Python 3 program to 2.7, and I’m stuck with a strange problem: >>> import io >>> import csv >>> output = io.StringIO() >>> output.write(“Hello!”) # Fail: io.StringIO expects Unicode Traceback (most recent call last): File “<stdin>”, line 1, in <module> TypeError: unicode argument expected, got ‘str’ >>> output.write(u”Hello!”) # This … Read more
I’m using git 2.5.4 on Mac OS X. I have filenames containing é and git is displaying it with escapes. Is there a way to make it use unicode and show the character? The terminal can obviously handle it. > ls Sél > git status Untracked files: (use “git add <file>…” to include in what … Read more
I’m comparing Unicode strings between JSON objects. They have the same value: a = ‘人口じんこうに膾炙かいしゃする’ b = ‘人口じんこうに膾炙かいしゃする’ But they have different Unicode representations: String a : u’\u4eba\u53e3\u3058\u3093\u3053\u3046\u306b\u81be\u7099\u304b\u3044\u3057\u3083\u3059\u308b’ String b : u’\u4eba\u53e3\u3058\u3093\u3053\u3046\u306b\u81be\uf9fb\u304b\u3044\u3057\u3083\u3059\u308b’ How can I compare between two Unicode strings on their value? Answer Unicode normalization will get you there for this one: >>> import … Read more
How can I encode the Unicode character U+0048 (H), say, in a PowerShell string? In C# I would just do this: “\u0048″, but that doesn’t appear to work in PowerShell. Answer Replace ‘\u’ with ‘0x’ and cast it to System.Char: PS > [char]0x0048 H You can also use the “$()” syntax to embed a Unicode … Read more
How do I convert from CString to const char* in my Unicode MFC application? Answer To convert a TCHAR CString to ASCII, use the CT2A macro – this will also allow you to convert the string to UTF8 (or any other Windows code page): // Convert using the local code page CString str(_T(“Hello, world!”)); CT2A … Read more
I have a string which gets serialized to JSON in Javascript, and then deserialized to Java. It looks like if the string contains a degree symbol, then I get a problem. I could use some help in figuring out who to blame: is it the Spidermonkey 1.8 implementation? (this has a JSON implementation built-in) is … Read more
