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Many-to-many relationship with the same model in rails?
...o use, which is to copy what 'Community Engine' did.
You can refer to:
https://github.com/bborn/communityengine/blob/master/app/models/friendship.rb
and
https://github.com/bborn/communityengine/blob/master/app/models/user.rb
for more information.
TL;DR
# user.rb
has_many :friendships, :fore...
sqlite3-ruby install error on Ubuntu
...stall build-essential
solved my problem, but for most the people I think https://stackoverflow.com/a/3649005/417267 is the solution.
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Create, read, and erase cookies with jQuery [duplicate]
...
Use jquery cookie plugin, the link as working today:
https://github.com/js-cookie/js-cookie
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财务计算器拓展：复利计算、平均值、中位数、众数、方差计算 - App Invento...
... cumulative probability of a standard normal distribution.
来源：https://community.kodular.io/t/f ... or-extension/240189
Counting the number of option tags in a select tag in jQuery
....size());
console.log($('#input1 option').length);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<select data-attr="dropdown" id="input1">
<option value="Male" id="Male">Male</option>
<option value="Female" id...
Redirecting to a relative URL in JavaScript
...
https://developer.mozilla.org/en-US/docs/Web/API/Location/assign
window.location.assign("../"); // one level up
window.location.assign("/path"); // relative to domain
...
How to select date without time in SQL
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For SQL Server 2008:
Convert(date, getdate())
Please refer to https://docs.microsoft.com/en-us/sql/t-sql/functions/getdate-transact-sql
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Is there a good JavaScript minifier? [closed]
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Use HTTPS instead
– PYK
Sep 15 at 7:48
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Android Studio could not find any version that matches com.android.support:appcompat-v7:+
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repositories {
jcenter()
maven {
url "https://maven.google.com"
}
}
}
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Remove scrollbar from iframe
...der="0" scrolling="no" style="height:380px;width:6000px;border:none;" src='https://yoururl'></iframe>
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