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Possible to perform cross-database queries with PostgreSQL?
...n that case you don't need anything special to query across them.
postgres_fdw
Use postgres_fdw (foreign data wrapper) to connect to tables in any Postgres database - local or remote.
Note that there are foreign data wrappers for other popular data sources. At this time, only postgres_fdw and fil...
What's the difference between assignment operator and copy constructor?
...tialized object from some other object's data.
A(const A& rhs) : data_(rhs.data_) {}
For example:
A aa;
A a = aa; //copy constructor
An assignment operator is used to replace the data of a previously initialized object with some other object's data.
A& operator=(const A& rhs) {...
Could not load NIB in bundle
...wered Jun 17 '11 at 0:08
creator_11creator_11
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CodeIgniter removing index.php from url
...ry the following
Open config.php and do following replaces
$config['index_page'] = "index.php"
to
$config['index_page'] = ""
In some cases the default setting for uri_protocol does not work properly.
Just replace
$config['uri_protocol'] ="AUTO"
by
$config['uri_protocol'] = "REQUEST_URI"...
UITableView with fixed section headers
...ain table style but don't float buz
setting table style set to group.
[_tableView setBackgroundView:nil];
_tableView.backgroundColor = [UIColor whiteColor];
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Why does parseInt yield NaN with Array#map?
...x parameter.
If you're using underscore you can do:
['10','1','100'].map(_.partial(parseInt, _, 10))
Or without underscore:
['10','1','100'].map(function(x) { return parseInt(x, 10); });
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Mixins vs. Traits
... answered Jan 26 '11 at 9:15
jk_jk_
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Random record from MongoDB
... enable geospatial indexing on a collection:
db.docs.ensureIndex( { random_point: '2d' } )
To create a bunch of documents with random points on the X-axis:
for ( i = 0; i < 10; ++i ) {
db.docs.insert( { key: i, random_point: [Math.random(), 0] } );
}
Then you can get a random document f...
Cookie overflow in rails application?
...occurs.
The easiest way to solve this one is, you need change your session_store and don't use the cookie_store. You can use the active_record_store by example.
Here is the steps
Generate a migration that creates the session table
rake db:sessions:create
Run the migration
rake db:migrate
Mod...
Interfaces — What's the point?
...rn creature;
}
}
And our front end would then become:
CreatureFactory _factory;
void SpawnCreature(creatureType)
{
ICreature creature = _factory.GetCreature(creatureType);
creature.Walk();
}
The front end now does not even have to have a reference to the library where Troll and Orc ...