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Laravel Migration Change to Make a Column Nullable
I created a migration with unsigned user_id . How can I edit user_id in a new migration to also make it nullable() ?
9 ...
Is it possible to send an array with the Postman Chrome extension?
...t-Type as application/json in Headers tab.
Here is example for raw data {"user_ids": ["123" "233"]}, don't forget the quotes!
If you are using the postman REST client you have to use the method I described above because passing data as raw (json) won't work. There is a bug in the postman REST cli...
Using column alias in WHERE clause of MySQL query produces an error
...e`
FROM `users` LEFT OUTER JOIN `locations`
ON `users`.`id` = `locations`.`user_id`
WHERE SUBSTRING(`locations`.`raw`,-6,4) NOT IN #this is where the fake col is being used
(
SELECT `postcode` FROM `postcodes` WHERE `region` IN
(
'australia'
)
)
However, I guess this is very inefficient, sinc...
How are POST and GET variables handled in Python?
...); POST[k]=v
You can now access the fields as following:
print GET.get('user_id')
print POST.get('user_name')
I must also point out that the CGI module doesn't work well. Consider this HTTP request:
POST / test.py?user_id=6
user_name=Bob&age=30
Using CGI.FieldStorage().getvalue('user_id...
A migration to add unique constraint to a combination of columns
...ngs_to :post, foreign_key: true, null: false
end
add_index :ownerships, [:user_id, :post_id], unique: true
Trying to create two similar records will throw a database error (Postgres in my case):
ActiveRecord::RecordNotUnique: PG::UniqueViolation: ERROR: duplicate key value violates unique const...
Importing data from a JSON file into R
...tes" "startPrice" "lastVote.timestamp" "lastVote.user.name" "lastVote.user.user_id"
> winners[,c("winner","startPrice","lastVote.user.name")]
winner startPrice lastVote.user.name
1 68694999 0 Lamur
> winners[,c("votes")]
[[1]]
ts user.name ...
Can you do greater than comparison on a date in a Rails 3 search?
...
Note.
where(:user_id => current_user.id, :notetype => p[:note_type]).
where("date > ?", p[:date]).
order('date ASC, created_at ASC')
or you can also convert everything into the SQL notation
Note.
where("user_id = ? AND n...
Smooth GPS data
...g something wrong...(Below is image url, blue is filtered locations' path, orange are raw locations) app.box.com/s/w3uvaz007glp2utvgznmh8vlggvaiifk
– umesh
Apr 28 '15 at 13:43
...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...een 2 collections together with mongoose's populate(), in this case admins.user_id existed but was related to an inexistant users._id.
So, couldn't find why:
if ( typeof users.user_id.name == 'undefined' ) ...
was failing with "Cannot read property 'name' of null"
Then I noticed that I needed to ...
How to make join queries using Sequelize on Node.js
...
User.hasMany(Post, {foreignKey: 'user_id'})
Post.belongsTo(User, {foreignKey: 'user_id'})
Post.find({ where: { ...}, include: [User]})
Which will give you
SELECT
`posts`.*,
`users`.`username` AS `users.username`, `users`.`email` AS `users.email`,
`...