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Map enum in JPA with fixed values?
I'm looking for the different ways to map an enum using JPA. I especially want to set the integer value of each enum entry and to save only the integer value.
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How do you install ssh-copy-id on a Mac?
... Mac. I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
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How do I put an 'if clause' in an SQL string?
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For your specific query, you can do:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered...
MongoDB: Combine data from multiple collections into one..how?
...You need to have some key in both collections that you can use as an _id.
For example, let's say you have a users collection and a comments collection and you want to have a new collection that has some user demographic info for each comment.
Let's say the users collection has the following fields...
Should I use PATCH or PUT in my REST API?
I want to design my rest endpoint with the appropriate method for the following scenario.
6 Answers
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Javascript - remove an array item by value [duplicate]
...y.indexOf(id_tag);
if ( ~position ) tag_story.splice(position, 1);
P.S. For an explanation of that cool ~ tilde shortcut, see this post:
Using a ~ tilde with indexOf to check for the existence of an item in an array.
Note: IE < 9 does not support .indexOf() on arrays. If you want to make s...
Get checkbox value in jQuery
...is:
$("input[type='checkbox']").val();
Or if you have set a class or id for it, you can:
$('#check_id').val();
$('.check_class').val();
However this will return the same value whether it is checked or not, this can be confusing as it is different to the submitted form behaviour.
To check whet...
Django select only rows with duplicate field values
... .filter(id__count__gt=1)
Literal.objects.filter(name__in=[item['name'] for item in dupes])
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android.view.InflateException: Binary XML file: Error inflating class fragment
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After long time for debugging, I have fixed this problem. (Although I still cannot explain why). That I change property android:name to class. (although on Android Document, they say those properties are same, but it works !!!)
So, it shoul...
How to include “zero” / “0” results in COUNT aggregate?
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You want an outer join for this (and you need to use person as the "driving" table)
SELECT person.person_id, COUNT(appointment.person_id) AS "number_of_appointments"
FROM person
LEFT JOIN appointment ON person.person_id = appointment.person_id
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