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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
...RNS text AS $$
-- Example of "special layout" version.
SELECT trim(array_agg( op||'-'||dt )::text,'{}')
FROM (
SELECT data_type::text as dt, ordinal_position as op
FROM information_schema.parameters
WHERE specific_name = p_specific_name
ORDER BY ordinal...
Generate random numbers with a given (numerical) distribution
...bers in O(k log n). Since normal Python lists are inefficient, you can use array module.
If you insist on constant space, you can do the following; O(n) time, O(1) space.
def random_distr(l):
r = random.uniform(0, 1)
s = 0
for item, prob in l:
s += prob
if s >= r:
...
Mark parameters as NOT nullable in C#/.NET?
...else to assign to it? What other value could we pave a freshly
allocated array of references over with, until you get around to
filling it in?
Also, sometimes null is a sensible value in and of itself. Sometimes
you want to represent the fact that, say, a field doesn’t have a
value. T...
How do I make the first letter of a string uppercase in JavaScript?
...the popular answer that gets the first letter by treating the string as an array:
function capitalize(s)
{
return s[0].toUpperCase() + s.slice(1);
}
Update:
According to the comments below this doesn't work in IE 7 or below.
Update 2:
To avoid undefined for empty strings (see @njzk2's comm...
Why can't radio buttons be “readonly”?
... checkbox groups can have multiple checked items, so you you might need an array for the ids
...
}
function setSelectedStateForEachElementOfThisGroup(elementName) {
// iterate over the group and set the elements checked property to true/false, depending on whether their id is in the selecti...
prevent property from being serialized in web API
...m contract resolver which has a public property called AllowList of string array type. In your action, modify that property depending on what the action needs to return.
1. create a custom contract resolver:
public class PublicDomainJsonContractResolverOptIn : DefaultContractResolver
{
public ...
Difference between java.lang.RuntimeException and java.lang.Exception
...eptions that can be prevented programmatically. E.g NullPointerException, ArrayIndexOutOfBoundException. If you check for null before calling any method, NullPointerException would never occur. Similarly ArrayIndexOutOfBoundException would never occur if you check the index first. RuntimeException ...
Convert XML String to Object
...class, struct, generic class, primitive type, generic list and dictionary, array, enum
Serialization class with property interface
Serialization circular reference and reference Id
Deserialization of old version of xml
Property encryption
Custom serializer
Support XmlElementAttribute and XmlRootAttr...
Call apply-like function on each row of dataframe with multiple arguments from each row
...he delta, power, sig.level params by name instead of sticking them into an array with pre-specified positions and then referencing those position, for the reason of being more robust. in any case thanks so much!
– vasek1
Feb 25 '13 at 2:37
...
strdup() - what does it do in C?
...
strdup() does dynamic memory allocation for the character array including the end character '\0' and returns the address of the heap memory:
char *strdup (const char *s)
{
char *p = malloc (strlen (s) + 1); // allocate memory
if (p != NULL)
strcpy (p,s); ...