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How do I convert an existing callback API to promises?
...ferreds you can do the following (let's use Q for this example, although Q now supports the new syntax which you should prefer):
function getStuffAsync(param) {
var d = Q.defer();
getStuff(param, function(err, data) {
if (err !== null) d.reject(err);
else d.resolve(data);
...
How to import existing *.sql files in PostgreSQL 8.4?
..., etc. 3) import the SQL files. As far as I understand, you're at stage 1 now.
– Bolo
Aug 3 '10 at 9:35
@Bolo: Would ...
Can I incorporate both SignalR and a RESTful API?
...
@davids.s: I know, that I'm a little late, but thanks for the link. I've added an excerpt for further readers.
– Dennis
Aug 21 '15 at 7:18
...
REST API - why use PUT DELETE POST GET?
...ected (think of it like accessors and mutators for a database structure).
Now we need to move onto the issue of idempotence. Usually REST implements CRUD over HTTP. HTTP uses GET, PUT, POST and DELETE for the requests.
A very simplistic implementation of REST could use the following CRUD mapping:
...
Adding an identity to an existing column
...archar(10)
);
ALTER TABLE Test SWITCH TO Test2;
-- drop the original (now empty) table
DROP TABLE Test;
-- rename new table to old table's name
EXEC sp_rename 'Test2','Test';
-- update the identity seed
DBCC CHECKIDENT('Test');
-- see same records
SELECT * FROM Test;
This is obviou...
Simple Log to File example for django 1.3+
...['console', 'logfile'],
'level': 'DEBUG',
},
}
}
Now what does all of this mean?
Formaters I like it to come out as the same style as ./manage.py runserver
Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) an...
Is there a timeout for idle PostgreSQL connections?
...n wait for the message over queue and then perform some more dml operation.Now during that period i.e while it is waiting over queue(for message) as mention above even then the connection with postges is idle. why should i close it.
– Viren
Apr 15 '16 at 18:13
...
How can I get a list of locally installed Python modules?
...
Now, these methods I tried myself, and I got exactly what was advertised: All the modules.
Alas, really you don't care much about the stdlib, you know what you get with a python install.
Really, I want the stuff that I i...
What does the `#` operator mean in Scala?
...le example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
scala> val a2 = new A
a2: A = A@4bed4c8
scala> a2.f(new a1.B)
<console>:11: error: type mismatch;
found : a1.B
required: a2.B
...
Custom Adapter for List View
...
I know this has already been answered... but I wanted to give a more complete example.
In my example, the ListActivity that will display our custom ListView is called OptionsActivity, because in my project this Activity is goin...