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How does a file with Chinese characters know how many bytes to use per character?

╄→尐↘猪︶ㄣ 提交于 2019-12-17 21:56:58
问题 I have read Joel's article "The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)" but still don't understand all the details. An example will illustrate my issues. Look at this file below: (source: yart.com.au) I have opened the file in a binary editor to closely examine the last of the three a's next to the first Chinese character: (source: yart.com.au) According to Joel: In UTF-8, every code point from 0-127 is stored

UTF-8 CJK characters not displaying in Java

一笑奈何 提交于 2019-12-17 19:34:48
问题 I've been reading up on Unicode and UTF-8 encoding for a while and I think I understand it, so hopefully this won't be a stupid question: I have a file which contains some CJK characters, and which has been saved as UTF-8. I have various Asian language packs installed and the characters are rendered properly by other applications, so I know that much works. In my Java app, I read the file as follows: // Create objects fis = new FileInputStream(new File("xyz.sgf")); InputStreamReader is = new

Regular Expression for Japanese characters

回眸只為那壹抹淺笑 提交于 2019-12-17 18:47:07
问题 I am doing internationalization in Struts. I want to write Javascript validation for Japanese and English users. I know regular expression for English but not for Japanese users. Is it possible to write one regular expression for both the users which validate on the basis of Unicode? Please help me. 回答1: This thread may be old but just thought that I add my 2 cents. Here is a regular expression that can be used to match all English alphanumerics, Japanese katakana,hiragana,multibytes of

Creating PDFs using TCPDF that supports all languages especially CJK

蓝咒 提交于 2019-12-17 18:43:40
问题 Can someone put together a clear and concise example of how you can create a PDF using TCPDF that will support text strings from any language? It appears there is not a single font that will support all languages. I'm guessing the font would be too large? I assume the correct way would be to detect the language of the string and dynamically set the font type to a compatible font. If this is the case then it gets very complex in detecting the language for each string. Most languages are

Iphone CGContextShowTextAtPoint for Japanese characters

烈酒焚心 提交于 2019-12-17 16:36:00
问题 I am working on an app where I am using CGContextShowTextAtPoint to display text to the screen. I want to also display Japanese characters, but CGContextShowTextAtPoint takes as its input a C string. So either A) How do I change Japanese characters into a C string? If this is not possible, B) How can I manually print Japanese characters to the screen (within the drawRect method). Thanks in advance. 回答1: CoreText can help you: CTFontGetGlyphsForCharacters (iOS 3.2 onwards) maps Unicode

Php - regular expression to check if the string has chinese chars

孤街浪徒 提交于 2019-12-17 05:40:56
问题 I have the string $str and I want to check if it`s content has Chinese chars or not (true/false) $str = "赕就可消垻,只有当所有方块都被消垻时才可以过关"; can you please help me? Thanks! Adrian 回答1: You could use a unicode character class http://www.regular-expressions.info/unicode.html preg_match("/\p{Han}+/u", $utf8_str); This just checks for the presence of at least one chinese character. You might want to expand on this if you want to match the complete string. 回答2: @mario answer is right! For Chinese chars use

special Chinese characters comparison [closed]

我怕爱的太早我们不能终老 提交于 2019-12-14 03:36:09
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 8 months ago . . There are something misunderstanding when comparing two characters "李","李". >>> "李" == "李" False >>> id("李") # fisrt one 140041303457584 >>> id("李") # second one 140041303457584 . The first character "李“ id is equal to the second "李" id, but when i try to compare their id to see what happen: >>> id("李") == id

Python CSV file UTF-16 to UTF-8 print error

风格不统一 提交于 2019-12-13 15:35:20
问题 There is a number of topics on this problem around the web, but I can not seem to find the answer for my specific case. I have a CSV file. I am not sure what was was done to it, but when I try to open it, I get: UnicodeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start byte Here is a full Traceback : Traceback (most recent call last): File "keywords.py", line 31, in <module> main() File "keywords.py", line 28, in main get_csv(file_full_path) File "keywords.py", line

Dealing with kanji characters in C++

南楼画角 提交于 2019-12-13 12:34:59
问题 I have a windows deskop application (named: Timestamp) written in C++ that use .NET called CLR. I also have DLL project (named: Amscpprest) written in native c++ and uses CPPREST SDK to get json data from server and pass the data to my Timestamp app. Here's the scenario: This is the return json data from my server, its a list of staff name and most of it is japanese names written in Kanji characters. [ { "staff": { "id": 121, "name": "福士 達哉", "department": [ { "_id": 3, "name": "事業推進本部" } ] }

chinese chars - PHP encoding

拜拜、爱过 提交于 2019-12-13 12:33:04
问题 I am trying to extract chinese words off a website. I am using simple cURL code: $curl = curl_init($url); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); $response = curl_exec($curl); echo $response; Expected result for one of words is 网络频率 However I get this: ÍøÂçƵÂÊ Also if I url encode word result is different. I am having problems with encoding lately. Chinese chars are UTF8 or what? Could anyone help me chars would show "normal" with echo and if I url encode them result will be same