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Rails: around_* callbacks
...api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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Should enums in C# have their own file? [closed]
... Usually there's one class that's most closely associtated with the enum, and I put them in the same file.
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Running bash script from within python
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Making sleep.sh executable and adding shell=True to the parameter list (as suggested in previous answers) works ok. Depending on the search path, you may also need to add ./ or some other appropriate path. (Ie, change "sleep.sh" to "./sleep.sh".)
The...
How to programmatically show next view in ViewPager?
I created a ViewPager and everything is working fine, however I want to have a previous next button outside of ViewPager which can be used to navigate inside ViewPager. How can I go to next Item on ViewPager without swiping manually?
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How can I show dots (“…”) in a span with hidden overflow?
...ellipsis;
}
<span>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book</span>
JSFiddle
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Moment JS - check if a date is today or in the future
...ardless if time difference is less than 24 hours.
– zanderwar
May 12 '16 at 4:51
3
Not working fo...
Failed to build gem native extension (installing Compass)
...form the following:
1. Set Up Ruby Environment
Ensure ruby is installed and up to date: ruby -v
Update gem's sudo gem update --system
2. Set Up MAC Environment
Install the Xcode Command Line Tools this is the key to install Compass.
xcode-select --install
Installing the Xcode Command Line ...
Prevent flicker on webkit-transition of webkit-transform [duplicate]
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My transitions was affecting other elements on the site and I ended up by having to add the rule to all elements on the site.
– mlunoe
Jan 10 '13 at 13:53
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How to stop flask application without using ctrl-c
I want to implement a command which can stop flask application by using flask-script.
I have searched the solution for a while. Because the framework doesn't provide "app.stop()" API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3.
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How do I use the new computeIfAbsent function?
...t without a helper method (but you won’t see the debugging output then). And even simpler, as it is a simple delegation to an existing method you could write: whoLetDogsOut.computeIfAbsent("snoop", String::isEmpty); This delegation does not need any parameters to be written.
To be closer to the e...