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Truncating all tables in a Postgres database
...rname
AND schemaname = 'public'
);
END
$func$ LANGUAGE plpgsql;
Call:
SELECT truncate_tables('postgres');
Refined query
You don't even need a function. In Postgres 9.0+ you can execute dynamic commands in a DO statement. And in Postgres 9.5+ the syntax can be even simpler:
DO
$func$
...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...for disabled form elements are not passed to the processor method. The W3C calls this a successful element.(This works similar to
form check boxes that are not checked.)
Some browsers may override or provide default styling for disabled form elements. (Gray out or emboss text) Internet Explorer
...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
python setup.py install will automatically install packages listed in requires=[] using easy_install . How do I get it to use pip instead?
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How do I retrieve the number of columns in a Pandas data frame?
How do you programmatically retrieve the number of columns in a pandas dataframe? I was hoping for something like:
6 Answer...
About Java cloneable
...ditional population of fields in case a shallow copy is not what you want. Calling a constructor from clone() would be problematic as this would break inheritance in case a subclass wants to add its own additional cloneable logic; if it were to call super.clone() it would get an object of the wrong ...
`staticmethod` and `abc.abstractmethod`: Will it blend?
... pass
...
>>> a = A()
>>> Traceback (most recent call last):
File "asm.py", line 16, in <module>
a = A()
TypeError: Can't instantiate abstract class A with abstract methods test
You go "Eh? It just renames @abstractmethod", and this is completely correct. Be...
Get the current URL with JavaScript?
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and what's document.baseURI about then. Basically there are 3 ways to get url document.baseURI, document.URL, & location.
– Muhammad Umer
Aug 29 '13 at 12:06
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Differences between numpy.random and random.random in Python
...random doesn't produce binomial distributions) because parts of my program call another program which uses random. I will have to seed the two generators.
– Laura
Aug 13 '11 at 19:13
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How to skip to next iteration in jQuery.each() util?
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@Brandito It isn't running like a normal loop - it is calling a function recursively, so in order for the loop to continue you need to end the processing inside the function.
– TJ L
Jun 7 '18 at 17:10
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Declaration of Methods should be Compatible with Parent Methods in PHP
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This message means that there are certain possible method calls which may fail at run-time. Suppose you have
class A { public function foo($a = 1) {;}}
class B extends A { public function foo($a) {;}}
function bar(A $a) {$a->foo();}
The compiler only checks the call $a->foo...