大约有 21,000 项符合查询结果（耗时：0.0272秒） [XML]
How to select where ID in Array Rails ActiveRecord without exception
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Does every Javascript function have to return a value?
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Check if character is number?
...if you want to work directly on your string you can use regexp like this:
function is_numeric(str){
return /^\d+$/.test(str);
}
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How can I match on an attribute that contains a certain string?
...wered Mar 27 '11 at 12:58
surupa123surupa123
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Ruby : How to write a gem? [closed]
...
This is how I usually create and release Gems:
Sign-up for https://github.com
Sign-up for https://rubygems.org
$ gem install ore rubygems-tasks rdoc rspec
$ mine awesome_gem
cd awesome_gem/ and edit the README.rdoc and awesome_gem.gemspec, write code in lib/awesome_gem/ and adding RS...
Share variables between files in Node.js?
...rd remain local to a module.
see this article for further understanding - https://www.hacksparrow.com/global-variables-in-node-js.html
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How to remove/change JQuery UI Autocomplete Helper text?
... answered Oct 26 '12 at 17:23
TK123TK123
19.5k4444 gold badges134134 silver badges183183 bronze badges
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How to write a simple database engine [closed]
... useful right now and in the future.
It even has a decent community here: https://stackoverflow.com/questions/tagged/sqlite
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Cast a Double Variable to Decimal
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How to convert index of a pandas dataframe into a column?
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