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Difference between Destroy and Delete
... about your models callbacks then use destroy_all
From the official docs
http://apidock.com/rails/ActiveRecord/Base/destroy_all/class
destroy_all(conditions = nil) public
Destroys the records matching conditions by instantiating each record
and calling its destroy method. Each object’...
“From View Controller” disappears using UIViewControllerContextTransitioning
...iding off, or flip-horizontal). I filed a bug for iOS8 at rdar://17961976 (http://openradar.appspot.com/radar?id=5210815787433984). Also see the sample project at http://github.com/bcherry/TransitionBug
Edit 2: Thanks to graveley for the suggestion, using UIModalPresentationFullScreen fixes the iss...
Can you change a path without reloading the controller in AngularJS?
... up your route for /item/{{item.id}}/ to have reloadOnSearch set to false (https://docs.angularjs.org/api/ngRoute/provider/$routeProvider). That tells AngularJS to not reload the view if the search part of the url changes.
s...
How do I compile and run a program in Java on my Mac?
...
Download and install Eclipse, and you're good to go.
http://www.eclipse.org/downloads/
Apple provides its own version of Java, so make sure it's up-to-date.
http://developer.apple.com/java/download/
Eclipse is an integrated development environment. It has many features, but...
Execute Insert command and return inserted Id in Sql
...value inserted into an identity column in the same scope. for more details http://technet.microsoft.com/en-us/library/ms190315.aspx
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...
It's October 2017, and Google makes Android Support Library with the new things call Lifecycle component. It provides some new idea for this 'Can not perform this action after onSaveInstanceState' problem.
In short:
Use lifecycle component to de...
What is the meaning of “POSIX”?
...
But POSIX does not seem to specify the 128 + SIGNAL_ID rule used by Bash: https://unix.stackexchange.com/questions/99112/default-exit-code-when-process-is-terminated
Regular expression
There are two types: BRE (Basic) and ERE (Extended). Basic is deprecated and only kept to not break APIs.
Those...
Replace Fragment inside a ViewPager
...2012, repacing fragments in a ViewPager seems to have become a lot easier. Google released Android 4.2 with support for nested fragments, and it's also supported in the new Android Support Library v11 so this will work all the way back to 1.6
It's very similiar to the normal way of replacing a frag...
How can I override inline styles with external CSS?
...
background: yellow !important;
}
Below is the link for more details:
http://css-tricks.com/override-inline-styles-with-css/
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Calculating Pearson correlation and significance in Python
...n's correlation coefficient,
2-tailed p-value)
References
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http://www.statsoft.com/textbook/glosp.html#Pearson%20Correlation
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