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How to generate unique ID with node.js
... I might be able to help.
Firstly, in node, you only have a single thread and are supposed to use callbacks. What will happen with your code, is that base.getID query will get queued up by for execution, but the while loop will continusouly run as a busy loop pointlessly.
You should be able to sol...
How to COUNT rows within EntityFramework without loading contents?
... Can you tell me why is it different with the SelectMany? I don't understand. I do it without SelectMany but it gets really slow because I have over 20 million records. I tried the answer from Yang Zhang and works great, just wanted to know what the SelectMany does.
– mikesof...
How to submit a form with JavaScript by clicking a link?
...form = document.... // copy the last code block!
});
The easy, not recommandable way (the former answer)
Add an onclick attribute to the link and an id to the form:
<form id="form-id">
<a href="#" onclick="document.getElementById('form-id').submit();"> submit </a>
</form...
Stop Mongoose from creating _id property for sub-document array items
...: ObjectId, ref: Student.modelName }, performance: [performanceSchema] }); and that stopped _id creation on the studentSchema but retained _id creation on the objects in the performance array of sub-documents. Not sure if both _id: false and id: false are needed.
– Web User
...
Get the last inserted row ID (with SQL statement) [duplicate]
...ou haven't inserted another row - it just returns the last IDENTITY value handed out in this scope here.
There are at least two more options - @@IDENTITY and IDENT_CURRENT - read more about how they works and in what way they're different (and might give you unexpected results) in this excellent bl...
jQuery selector regular expressions
...idn't really know the name of what I was looking for. Ive had another look and using attribute filters is what I was after.
– Joel Cunningham
Oct 10 '08 at 5:49
...
How to include “zero” / “0” results in COUNT aggregate?
...
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
GROUP BY p...
How may I reference the script tag that loaded the currently-executing script?
...t>
var me = document.currentScript;
</script>
Benefits
Simple and explicit. Reliable.
Don't need to modify the script tag
Works with asynchronous scripts (defer & async)
Works with scripts inserted dynamically
Problems
Will not work in older browsers and IE.
Does not work with m...
SQL query to find record with ID not in another table
I have two tables with binding primary key in database and I desire to find a disjoint set between them. For example,
6 Ans...
Can I use view pager with views (not with fragments)
...tation is to just return the view as the key as well. FragmentPageAdapter handles all the key-to-view stuff for you and thus just asks you to create a fragment instead.
– themightyjon
Sep 7 '15 at 16:24
...