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How to implement a unique index on two columns in rails
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@FrançoisBeausoleil %w(user_id content_id) in ruby just creates an array of strings, it's not special to rails. You can do the same with "user_id content_id".split which is still creating an array of strings. I am sure you know this, this comment is just so other readers d...
Android Fragment no view found for ID?
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What do you mean by child of layout specified in setContentView? How to make it child?
– NinjaCoder
Feb 7 '13 at 15:51
11
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How can I get Docker Linux container information from within the container itself?
...ocker_remote_api/
In a container, you can find out a shortedned docker id by examining $HOSTNAME env var.
According to doc, there is a small chance of collision, I think that for small number of container, you do not have to worry about it. I don't know how to get full id directly.
You can inspect...
How to make ng-repeat filter out duplicate results
... bower install just for the module.
– Learning stats by example
Feb 11 '15 at 19:59
If you don't want to include Angul...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...vals.id) DELETE FROM newvals USING upd WHERE newvals.id = upd.id, followed by a bare INSERT INTO testtable SELECT * FROM newvals? My idea with this: instead of filtering twice in INSERT (for the JOIN/WHERE and for the unique constraint), reuse the existence check results from the UPDATE, which are ...
Relational table naming convention [closed]
...ey are all integrated with each other
they work together
they were written by minds greater than ours, so we do not have to
debate them.
The standard table name refers to each row in the table, which is used in the all verbiage, not the total content of the table (we know that the Customer table c...
Getting the ID of the element that fired an event
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@ZianChoy - I'm not quite sure what you mean by "custom attributes", but you can use $(event.target) if you need a jQuery method, e.g., $(event.target).attr("organisation:thingy");.
– nnnnnn
Jun 25 '12 at 11:05
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Spring boot @ResponseBody doesn't serialize entity id
...me problem and it's because that's how spring-boot-starter-data-rest works by default. See my SO question -> While using Spring Data Rest after migrating an app to Spring Boot, I have observed that entity properties with @Id are no longer marshalled to JSON
To customize how it behaves, you can ...
How to create a dialog with “yes” and “no” options?
...lse and then you don't need to wrap all of your code in the confirm! (case by case fix though)
– Jacob Raccuia
Sep 2 '14 at 14:54
22
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Cookies vs. sessions
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sessions expiration can be set by any application easily. 3rd point is wrong. Plus you forgot the amount of data that can be stored in cookie vs session. That's a more significant point
– saran3h
Apr 11 '18 at 8:15
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