大约有 18,000 项符合查询结果(耗时:0.0212秒) [XML]
Replacing NULL with 0 in a SQL server query
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83
You can use both of these methods but there are differences:
SELECT ISNULL(col1, 0 ) FROM tabl...
Writing Unicode text to a text file?
...lowing lines which I sampled from it using Python 2 (unicode 5.2):
0 Cc NUL
20 Zs SPACE
21 Po ! EXCLAMATION MARK
b6 So ¶ PILCROW SIGN
d0 Lu Ð LATIN CAPITAL LETTER ETH
e59 Nd ๙ THAI DIGIT NINE
2887 So ⢇ BRAILLE PATTERN DOTS-1238
bc13 Lo 밓 HANGUL SY...
How do I disable log messages from the Requests library?
...ly this setting for the urllib3 library (typically used by requests) too, add the following:
logging.getLogger("urllib3").setLevel(logging.WARNING)
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RESTful API methods; HEAD & OPTIONS
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As per: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
9.2 OPTIONS
The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI. This m...
Clang vs GCC - which produces faster binaries? [closed]
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Clang-3.4 | 252 | 250 |1.01 |
----------|-----|-----|------
GCC/Clang |0.83 | 0.83|
Taking the 301 and the 619 figures side by side, several points speak out.
I was aiming to write faster code, and both compilers emphatically vindicate
my efforts. But:
GCC repays those efforts far more generou...
Are email addresses case sensitive?
...s that support such nonsense.
p.s. ILIKE is a PostgreSQL keyword: http://www.postgresql.org/docs/9.2/static/functions-matching.html
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What is the difference between IEnumerator and IEnumerable? [duplicate]
...ric Lipperts blog post about pattern matching
– Bunny83
Jul 30 '19 at 12:51
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How to echo or print an array in PHP?
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web-tiki
83.3k2626 gold badges190190 silver badges223223 bronze badges
answered Mar 22 '12 at 5:32
Ibrahim Azh...
Generate GUID in MySQL for existing Data?
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I had a need to add a guid primary key column in an existing table and populate it with unique GUID's and this update query with inner select worked for me:
UPDATE sri_issued_quiz SET quiz_id=(SELECT uuid());
So simple :-)
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Can you get DB username, pw, database name in Rails?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
