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What is the difference between save and insert in Mongo DB?
...he same.
save behaves differently if it is passed with an "_id" parameter.
For save, If the document contains _id, it will upsert querying the collection on the _id field, If not, it will insert.
If a document does not exist with the specified _id value, the save() method performs an insert with th...
wget/curl large file from google drive
...ve is deprecated. "Beginning August 31, 2015, web hosting in Google Drive for users and developers will be deprecated. Google Apps customers can continue to use this feature for a period of one year until August 31, 2016, when serving content via googledrive.com/host/doc id will be discontinued." ...
How to iterate object in JavaScript? [duplicate]
...sign it to the data variable. After that you can iterate it using a normal for loop. Each row will be a row object in the array.
var data = dictionary.data;
for (var i in data)
{
var id = data[i].id;
var name = data[i].name;
}
You can follow similar approach to iterate the image array....
In Angular, I need to search objects in an array
...
I know if that can help you a bit.
Here is something I tried to simulate for you.
Checkout the jsFiddle ;)
http://jsfiddle.net/migontech/gbW8Z/5/
Created a filter that you also can use in 'ng-repeat'
app.filter('getById', function() {
return function(input, id) {
var i=0, len=input.leng...
Rails find record with zero has_many records associated [duplicate]
...
I don't understand how this is correct? Isn't it looking for photos that don't have a city_id? That's not the same as cities for which there is no photo with that particular city's id as the foreign key.
– sixty4bit
Jul 2 '15 at 1:33
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Convert Django Model object to dict with all of the fields intact
...ango Model object to a dict with all of its fields? All ideally includes foreign keys and fields with editable=False .
1...
MySQL select 10 random rows from 600K rows fast
...
A great post handling several cases, from simple, to gaps, to non-uniform with gaps.
http://jan.kneschke.de/projects/mysql/order-by-rand/
For most general case, here is how you do it:
SELECT name
FROM random AS r1 JOIN
(SELECT CEIL(RAND() *
(SELECT MAX(id)
...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
... that it has something to do with having to make a lot of database queries for something that seems simple in the object world.
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Migration: Cannot add foreign key constraint
I'm trying to create foreign keys in Laravel however when I migrate my table using artisan i am thrown the following error:
...
MySQL Insert into multiple tables? (Database normalization?)
I tried searching a way to insert information in multiple tables in the same query, but found out it's impossible?
So I want to insert it by simply using multiple queries i.e;
...