大约有 40,000 项符合查询结果（耗时：0.0435秒） [XML]
creating a random number using MYSQL
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bundle install fails with SSL certificate verification error
...the top of the Gemfile in your rails application directory change
source 'https://rubygems.org'
to
source 'http://rubygems.org'
note that the second version is http instead of https
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How to get the list of all printers in computer
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How do you clone a BufferedImage
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Hide hidden(dot) files in github atom editor
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Monad in plain English? (For the OOP programmer with no FP background)
... staring at it this weekend & ask you questions if things don't settle down and make sense in my head.
– Paul Nathan
Apr 24 '10 at 16:01
5
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Controlling fps with requestAnimationFrame?
...
This actually seems to work in keeping the framerate down and so not cooking my CPU. And it's so simple. Cheers!
– phocks
Sep 1 '17 at 7:09
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How to chain scope queries with OR instead of AND?
...e, it looks like there is an existing pull request to get this into Rails: https://github.com/rails/rails/pull/9052.
Thanks to @j-mcnally's monkey patch for ActiveRecord (https://gist.github.com/j-mcnally/250eaaceef234dd8971b) you can do the following:
Person.where(name: 'John').or.where(last_name...
How can I divide two integers to get a double?
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How do I tell matplotlib that I am done with a plot?
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