大约有 3,000 项符合查询结果（耗时：0.0262秒） [XML]
String length in bytes in JavaScript
...cter encoding, so if you need that encoding, you can do,
function lengthInUtf8Bytes(str) {
// Matches only the 10.. bytes that are non-initial characters in a multi-byte sequence.
var m = encodeURIComponent(str).match(/%[89ABab]/g);
return str.length + (m ? m.length : 0);
}
This should work...
MySQL case sensitive query [duplicate]
...acters will be considered not equal (i.e. ü in latin1 is 0xFC where as in utf8mb4 it is 0xC3Bc). 2) As Shenxian points out below, you should apply your conversion to the parameter rather than the column. It will have to same functional effect but it will allow the query to use an index if one is pr...
Capitalize first letter. MySQL
...the function creation script. I also personally wanted the output to be in UTF8 CHARSET too.
Function creation =
DELIMITER ||
CREATE FUNCTION `UC_Words`( str VARCHAR(255) ) RETURNS VARCHAR(255) CHARSET utf8 DETERMINISTIC
BEGIN
DECLARE c CHAR(1);
DECLARE s VARCHAR(255);
DECLARE i ...
How to convert byte array to string [duplicate]
... This is wrong. From the code in the question, the encoding is UTF8, the default for BinaryWriter.
– Tom Blodget
Feb 13 '16 at 2:19
1
...
How do I decode HTML entities in Swift?
...ll&#8217;</em>"
guard let data = htmlEncodedString.data(using: .utf8) else {
return
}
let options: [NSAttributedString.DocumentReadingOptionKey: Any] = [
.documentType: NSAttributedString.DocumentType.html,
.characterEncoding: String.Encoding.utf8.rawValue
]
guard let attrib...
Convert UTF-8 encoded NSData to NSString
...ding:
NSString* newStr = [[NSString alloc] initWithData:theData encoding:NSUTF8StringEncoding];
If the data is null-terminated, you should instead use -stringWithUTF8String: to avoid the extra \0 at the end.
NSString* newStr = [NSString stringWithUTF8String:[theData bytes]];
(Note that if the inpu...
How do I write JSON data to a file?
...
To get utf8-encoded file as opposed to ascii-encoded in the accepted answer for Python 2 use:
import io, json
with io.open('data.txt', 'w', encoding='utf-8') as f:
f.write(json.dumps(data, ensure_ascii=False))
The code is simpl...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...
@CharlesBretana: By "fake UTF-8" I mean MySQL's "utf8" encoding, which as I mentioned reserves (and is limited to) 3 bytes per character. This isn't a very good version of UTF-8; if you want decent UTF-8 in MySQL, you have to use its "utf8mb4" encoding. But people are muc...
What does collation mean?
...all letters to be different (say, if you store filenames in UNIX), you use UTF8_BIN collation:
SELECT 'A' COLLATE UTF8_BIN = 'a' COLLATE UTF8_BIN
---
0
If you want to ignore case and diacritics differences (say, for a search engine), you use UTF8_GENERAL_CI collation:
SELECT 'A' COLLATE UTF8_...
Why is MySQL's default collation latin1_swedish_ci?
...when other options seem much more reasonable, like latin1_general_ci or utf8_general_ci ?
2 Answers
...