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How do I get a list of column names from a psycopg2 cursor?
... "Programming Python" by Mark Lutz:
curs.execute("Select * FROM people LIMIT 0")
colnames = [desc[0] for desc in curs.description]
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Delete column from SQLite table
I have a problem: I need to delete a column from my SQLite database. I wrote this query
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Installing Python packages from local file system folder to virtualenv with pip
Is it possible to install packages using pip from the local filesystem?
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Getter and Setter declaration in .NET [duplicate]
...e that validates the value in your setter:
set
{
if (string.IsNullOrWhiteSpace(value))
throw new ArgumentNullException();
_myProperty = value;
}
Properties can also have different accessors for the getter and the setter:
public string MyProperty { get; private set; }
This way ...
Does Swift support reflection?
...
Looks like there's the start of some reflection support:
class Fruit {
var name="Apple"
}
reflect(Fruit()).count // 1
reflect(Fruit())[0].0 // "name"
reflect(Fruit())[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
...hese:
int8_t
int16_t
int32_t
uint8_t
uint16_t
uint32_t
And, if the architecture supports them:
int64_t
uint64_t
There are various other integer typedefs in stdint.h as well.
If you're stuck without a C99 environment then you should probably supply your own typedefs and use the C99 ones anyw...
Django Passing Custom Form Parameters to Formset
...eanest approach, and doesn't affect ServiceForm in any way (i.e. by making it difficult to subclass).
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Symfony 2 EntityManager injection in service
I've created my own service and I need to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work.
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Iterate over model instance field names and values in template
...e a basic template to display the selected instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the value of that field...
_=> what does this underscore mean in Lambda expressions?
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edited May 6 '10 at 4:11
answered May 6 '10 at 4:04
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