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How to check if a function exists on a SQL database
... FROM sys.objects
WHERE object_id = OBJECT_ID(N'[dbo].[foo]')
AND type IN ( N'FN', N'IF', N'TF', N'FS', N'FT' ))
DROP FUNCTION [dbo].[foo]
GO
This approach to deploying changes means that you need to recreate all permissions on the object so you might cons...
Using .text() to retrieve only text not nested in child tags
...e text inside the parent element.
Code provided for easy reference:
$("#foo")
.clone() //clone the element
.children() //select all the children
.remove() //remove all the children
.end() //again go back to selected element
.text();
...
What's the difference between a Python “property” and “attribute”?
...other data).
class MyObject(object):
# This is a normal attribute
foo = 1
@property
def bar(self):
return self.foo
@bar.setter
def bar(self, value):
self.foo = value
obj = MyObject()
assert obj.foo == 1
assert obj.bar == obj.foo
obj.bar = 2
assert obj.foo...
Why does the C# compiler not fault code where a static method calls an instance method?
The following code has a static method, Foo() , calling an instance method, Bar() :
3 Answers
...
Where to place and how to read configuration resource files in servlet based application?
...ContextClassLoader();
InputStream input = classLoader.getResourceAsStream("foo.properties");
// ...
Properties properties = new Properties();
properties.load(input);
Here foo.properties is supposed to be placed in one of the roots which are covered by the default classpath of a webapp, e.g. webapp'...
Why doesn't delete set the pointer to NULL?
...nment anyway.
Also, it would render the following code illegal:
T* const foo = new T;
delete foo;
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How to access environment variable values?
... "how to check environment variables in Python."
Here's how to check if $FOO is set:
try:
os.environ["FOO"]
except KeyError:
print "Please set the environment variable FOO"
sys.exit(1)
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Get value of a string after last slash in JavaScript
...
At least three ways:
A regular expression:
var result = /[^/]*$/.exec("foo/bar/test.html")[0];
...which says "grab the series of characters not containing a slash" ([^/]*) at the end of the string ($). Then it grabs the matched characters from the returned match object by indexing into it ([0]...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...a attribute and then use jQuery to manipulate that:
In HTML:
<span>foo</span>
In jQuery:
$('span').hover(function(){
$(this).attr('data-content','bar');
});
In CSS:
span:after {
content: attr(data-content) ' any other text you may want';
}
If you want to prevent the 'o...
How do I disable the resizable property of a textarea?
...of options.
To disable a specific textarea with the name attribute set to foo (i.e., <textarea name="foo"></textarea>):
textarea[name=foo] {
resize: none;
}
Or, using an id attribute (i.e., <textarea id="foo"></textarea>):
#foo {
resize: none;
}
The W3C page lists ...