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Query for array elements inside JSON type
...uare brackets, too. Drop the array brackets when searching a plain record.
Detailed explanation and more options:
Index for finding an element in a JSON array
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How can I get the current date and time in UTC or GMT in Java?
...hich is applying the time zone there... if that's not it, please give more details.
– Jon Skeet
Sep 7 '11 at 13:59
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How to implement a many-to-many relationship in PostgreSQL?
...wn.
I also used ON DELETE CASCADE for bill_id: If a bill gets deleted, its details die with it.
Not so for products: You don't want to delete a product that's used in a bill. Postgres will throw an error if you attempt this. You would add another column to product to mark obsolete rows ("soft-delete...
System.Timers.Timer vs System.Threading.Timer
... Thanks for that, at the time I made the comment this answer had almost no detail. Since it now has the detail I was inquiring about, I deleted my comment.
– Taegost
Dec 19 '16 at 14:14
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Git branch strategy for small dev team [closed]
... production from master any time, because you know it's stable.
For more details on this workflow, check out the Branching Workflows chapter in Pro Git.
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How to make a Java Generic method static?
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public static <E> E[] appendToArray(E[] array, E item)
Important details:
Generic expressions preceding the return value always introduce (declare) a new generic type variable.
Additionally, type variables between types (ArrayUtils) and static methods (appendToArray) never interfere with...
Why did Rails4 drop support for “assets” group in the Gemfile
...nymore, it made sense to remove the asset group.
This is explained in more detail in the commit that changed that. I extracted some quotes with the actual answer.
Some gems can be needed (in production) like coffee-rails if you are using coffee templates
and the fact that now assets are not precomp...
Why can't I use Docker CMD multiple times to run multiple services?
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[include]
files = /etc/supervisor/conf.d/*.conf
If you would like more details, I wrote a blog on this subject here: http://blog.trifork.com/2014/03/11/using-supervisor-with-docker-to-manage-processes-supporting-image-inheritance/
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what's data-reactid attribute in html?
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That's the HTML data attribute.
See this for more detail: http://html5doctor.com/html5-custom-data-attributes/
Basically it's just a container of your custom data while still making the HTML valid.
It's data- plus some unique identifier.
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How to handle configuration in Go [closed]
...e also https://groups.google.com/forum/#!topic/golang-nuts/TByzyPgoAQE for details.
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