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Citing the author of a blockquote using Markdown syntax
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answered Jan 4 '10 at 20:51
ceejayozceejayoz
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How to open a web server port on EC2 instance
I'm running a CherryPy web server at 0.0.0.0:8787 on an EC2 instance.
3 Answers
3
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Return positions of a regex match() in Javascript?
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answered Feb 19 '10 at 10:49
GumboGumbo
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
3
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How to atomically delete keys matching a pattern using Redis
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Starting with redis 2.6.0, you can run lua scripts, which execute atomically. I have never written one, but I think it would look something like this
EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 prefix:[YOUR_PREFIX e.g del...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
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版本
日期
修改内容
1.0
2024-06-15
初始版本
1.1
2025-04-20
添加 getASCIICode、getASCIIChar
1.2
2025-09-02
添加 Replace、Index、Email、InetAddress 函数
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Get TransactionScope to work with async / await
...onContext based on this example http://blogs.msdn.com/b/pfxteam/archive/2012/01/20/10259049.aspx .
3 Answers
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Why does isNaN(“ ”) (string with spaces) equal false?
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JavaScript interprets an empty string as a 0, which then fails the isNAN test. You can use parseInt on the string first which won't convert the empty string to 0. The result should then fail isNAN.
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How add “or” in switch statements?
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edited May 11 '09 at 14:56
answered May 11 '09 at 14:51
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What do linkers do?
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answered Jul 23 '10 at 23:04
IcemanindIcemanind
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