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Django - How to rename a model field using South?
... old column name of the database (not the model field name), for example: "user_id" and "full_name" would be the new name you want the column to have (again, database column and not field name). So: db.rename_column('mainapp_profile', 'user_id', 'new_user_id') Also, if you're dealing with foreign ...
NSURLRequest setting the HTTP header
...le Code
- (void)reqUserBalance:(NSString*)reward_scheme_id id:(NSString*)user_id success:(void (^)(id responseObject))success failure:(void (^)(id responseObject))failure{
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@reward/%@/user/%@/balance",URL_SERVER,reward_scheme_id,u...
schema builder laravel migrations unique on two columns
... a unique key across multiple columns.
$table->unique(array('mytext', 'user_id'));
or (a little neater)
$table->unique(['mytext', 'user_id']);
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...
Can angularjs routes have optional parameter values?
...r.
when('/', {templateUrl:'/home'}).
when('/users/:user_id',
{
controller:UserView,
templateUrl: function(params){ return '/users/view/' + params.user_id; }
}
).
otherwise({...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...unchd that belongs to your main user, e.g.,
sudo kill -9 `ps aux | egrep 'user_id .*[0-9] /sbin/launchd' | awk '{print $2}'`
substituting your main user name for user_id. Logging in again as your normal user gets you back to a sane state. Kinda painful, but less so than a full reboot.
details:
...
“Insert if not exists” statement in SQLite
...sert into bookmarks (users_id, lessoninfo_id)
select 1, 167
EXCEPT
select user_id, lessoninfo_id
from bookmarks
where user_id=1
and lessoninfo_id=167;
This is the fastest way.
For some other SQL engines, you can use a Dummy table containing 1 record.
e.g:
select 1, 167 from ONE_RECORD_DUMMY_TAB...
How to empty/destroy a session in rails?
...
to delete a user's session
session.delete(:user_id)
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MySQL Creating tables with Foreign Keys giving errno: 150
...AR(40));
CREATE TABLE userroles(
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
FOREIGN KEY(user_id) REFERENCES users(id));
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How do you delete an ActiveRecord object?
...g Rails 5 and above, the following solution will work.
#delete based on id
user_id = 50
User.find(id: user_id).delete_all
#delete based on condition
threshold_age = 20
User.where(age: threshold_age).delete_all
https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all
...
javascript node.js next()
...example you posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findById(req.session.user_id, function(user) {
if (user) {
req.currentUser = user;
return next();
} else {
res.redirect('/sessions/new');
}
});
} else {
...