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How do you delete an ActiveRecord object?
...on condition
threshold_age = 20
User.where(age: threshold_age).delete_all
https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all
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How to concatenate strings with padding in sqlite
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A list of indices in MongoDB?
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Is it possible to view RabbitMQ message contents directly from the command line?
...t the contents of the queue:
RabbitMQ version 3.1.5 on Fedora linux using https://www.rabbitmq.com/management-cli.html
Here are my exchanges:
eric@dev ~ $ sudo python rabbitmqadmin list exchanges
+-------+--------------------+---------+-------------+---------+----------+
| vhost | name ...
Aligning a float:left div to center?
...
Perhaps this what you're looking for - https://www.w3schools.com/css/css3_flexbox.asp
CSS:
#container {
display: flex;
flex-wrap: wrap;
justify-content: center;
}
.block {
width: 150px;
height: ...
Backbone.js fetch with parameters
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How can I combine flexbox and vertical scroll in a full-height app?
...
Thanks to https://stackoverflow.com/users/1652962/cimmanon that gave me the answer.
The solution is setting a height to the vertical scrollable element. For example:
#container article {
flex: 1 1 auto;
overflow-y: auto;
...
What is the difference between server side cookie and client side cookie?
...you send the session cookie over http it can be hijacked. If the site uses https security should be the same as long as you use secure cookies (encrypted, signed, etc...)
– filippo
Jul 9 '15 at 9:41
...
Forcing child to obey parent's curved borders in CSS
...corners now clip content and images (if overflow: visible is not set).
https://developer.mozilla.org/en/CSS/-moz-border-radius
So you'll still need the fix, just shorten it to:
#outer {
overflow: hidden;
}
#inner {
-moz-border-radius: 10px 10px 0 0;
}
See it working here: http://jsfidd...
How to express infinity in Ruby?
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