大约有 47,000 项符合查询结果（耗时：0.0418秒） [XML]
Move an item inside a list?
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David ZDavid Z
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22
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“Insert if not exists” statement in SQLite
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edited Apr 13 '18 at 6:12
answered Oct 12 '13 at 17:38
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Restrict varchar() column to specific values?
...fy, for example 4 distinct values for a varchar column in MS SQL Server 2008?
4 Answers
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How to create default value for function argument in Clojure
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answered Jul 8 '10 at 22:10
Brian CarperBrian Carper
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ORDER BY the IN value list
I have a simple SQL query in PostgreSQL 8.3 that grabs a bunch of comments. I provide a sorted list of values to the IN construct in the WHERE clause:
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Global access to Rake DSL methods is deprecated
...refers to a @DHH tweet.
Put the following in your Gemfile
gem "rake", "0.8.7"
You may see something like
rake aborted!
You have already activated Rake 0.9.1 ...
I still had a copy of Rake 0.9.1 in my directory so I deleted it.
You can "delete" Rake 0.9.1 by running the following command:
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Rethrowing exceptions in Java without losing the stack trace
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edited Jul 8 '09 at 12:18
answered Jul 8 '09 at 11:43
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Regex exactly n OR m times
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answered Dec 14 '12 at 8:10
Mark ByersMark Byers
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Java ArrayList replace at specific index
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edited May 15 '18 at 17:48
answered Sep 17 '11 at 5:58
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How do you downgrade rubygems?
...Ryan Bigg
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