大约有 47,000 项符合查询结果（耗时：0.0292秒） [XML]
ActiveRecord OR query
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or(t[:title].matches("%something%"))
)
The resulting SQL:
ree-1.8.7-2010.02 > puts Post.where(t[:author].eq("Someone").or(t[:title].matches("%something%"))).to_sql
SELECT "posts".* FROM "posts" WHERE (("posts"."author" = 'Someone' OR "posts"."title" LIKE '%something%'))
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what is faster: in_array or isset? [closed]
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answered Nov 20 '12 at 22:48
David HarknessDavid Harkness
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Lightweight Javascript DB for use in Node.js [closed]
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Matt
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answered Aug 29 '11 at 18:16
SteveSteve
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Regex: Remove lines containing “help”, etc
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edited Jun 29 '19 at 20:45
Peter Mortensen
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What are five things you hate about your favorite language? [closed]
...ned to it.
– OscarRyz
Jun 25 '09 at 20:24
35
@Oscar Reyes - Er, we know that. But there may be mu...
Pandas aggregate count distinct
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How about either of:
>>> df
date duration user_id
0 2013-04-01 30 0001
1 2013-04-01 15 0001
2 2013-04-01 20 0002
3 2013-04-02 15 0002
4 2013-04-02 30 0002
>>> df.groupby("date").agg({"duration": np.sum, "user_id": ...
Why do I need to explicitly push a new branch?
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answered Jun 13 '13 at 20:52
VonCVonC
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jQuery: Performing synchronous AJAX requests
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answered Jul 13 '11 at 20:35
DogbertDogbert
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Quick unix command to display specific lines in the middle of a file?
Trying to debug an issue with a server and my only log file is a 20GB log file (with no timestamps even! Why do people use System.out.println() as logging? In production?!)
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Disabling Minimize & Maximize On WinForm?
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edited Jun 11 '10 at 20:31
answered Jun 11 '10 at 20:19
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