大约有 3,000 项符合查询结果（耗时：0.0192秒） [XML]
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
...
Why does modern Perl avoid UTF-8 by default?
...oth these lines, not just one of them. Note however that under v5.14, the utf8 warning class comprises three other subwarnings which can all be separately enabled: nonchar, surrogate, and non_unicode. These you may wish to exert greater control over.
use warnings;
use warnings qw( FATAL utf8 );
D...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
... This seems to be working for me. My users were submitting text on a utf8 page with tinymce, yet for some unknown reason non utf8 characters sometimes ended up in the database. This fixed it, so thank you very much.
– giorgio79
Oct 13 '12 at 14:27
...
Converting Stream to String and back…what are we missing?
...
a UTF8 MemoryStream to String conversion:
var res = Encoding.UTF8.GetString(stream.GetBuffer(), 0 , (int)stream.Length)
share
|
...
Changing default encoding of Python?
...exist, here!
reload(sys) # Reload does the trick!
sys.setdefaultencoding('UTF8')
(Note for Python 3.4+: reload() is in the importlib library.)
This is not a safe thing to do, though: this is obviously a hack, since sys.setdefaultencoding() is purposely removed from sys when Python starts. Reenab...
How to find the array index with a value?
... edited Jun 24 '19 at 15:08
vba_user111
20911 silver badge1313 bronze badges
answered Sep 8 '11 at 10:49
v...
Objective-C and Swift URL encoding
...d,
NULL,
CFSTR("!*'();:@&=+$,/?%#[]\" "),
kCFStringEncodingUTF8));
Using Core Foundation Without ARC:
NSString *escapedString = (NSString *)CFURLCreateStringByAddingPercentEscapes(
NULL,
(CFStringRef)unescaped,
NULL,
CFSTR("!*'();:@&=+$,/?%#[]\" "),
kCFStr...