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Mongoose subdocuments vs nested schema
... to the docs, it's exactly the same.
However, using a Schema would add an _id field as well (as long as you don't have that disabled), and presumably uses some more resources for tracking subdocs.
Alternate declaration syntax
New in v3 If you don't need access to the sub-document schema instance, ...
How to design a multi-user ajax web application to be concurrently safe
....
If I was in your shoes I would develop something like this:
1. Server-Side:
Determine a reasonable level at which you would define what I'd call "atomic artifacts" (the page? Objects on the page? Values inside objects?). This will depend on your webservers, database & caching hardware, # o...
If REST applications are supposed to be stateless, how do you manage sessions?
...ateless authentication. Google JWT for example.
– geoidesic
Jan 17 '18 at 15:21
1
@geoidesic: "Be...
In Javascript/jQuery what does (e) mean?
... (functions), much like objects in other languages. The handle, the 'e' inside the little (e) thing, is like a variable that allows you to interact with the object (and I use the term variable VERY loosely).
Consider the following jQuery examples:
$("#someLink").on("click", function(e){ // My pref...
How to update a menu item shown in the ActionBar?
...nuItems to the Menu. I have one MenuItem that I've set the attribute android:showAsAction to have it show as a button on the ActionBar. Which works fine.
...
How can I expand and collapse a using javascript?
... </ul>
</div>
</div>
With this CSS: (This is to hide the .content stuff when the page loads.
.container .content {
display: none;
padding : 5px;
}
Then, using jQuery, write a click event for the header.
$(".header").click(function () {
$header = $(this);
...
Problems with contenttypes when loading a fixture in Django
... keys". For example:
Permission.codename is used in favour of Permission.id
User.username is used in favour of User.id
Read more: natural keys section in "serializing django objects"
Some other useful arguments for dumpdata:
--indent=4 make it human readable.
-e sessions exclude session data
...
The cast to value type 'Int32' failed because the materialized value is null
...from u in context.User
join ch in context.CreditHistory on u.ID equals ch.UserID
where u.ID == userID
select (int?)ch.Amount).Sum() ?? 0;
This first casts to int? to tell the C# compiler that this expression can inde...
Counting the number of option tags in a select tag in jQuery
...
The W3C solution:
var len = document.getElementById("input1").length;
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JavaScript private methods
...
You can do it, but the downside is that it can't be part of the prototype:
function Restaurant() {
var myPrivateVar;
var private_stuff = function() { // Only visible inside Restaurant()
myPrivateVar = "I can set this here!";
}
...