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Can a C# class inherit attributes from its interface?
...r usage.
As an example:
using System;
using System.ComponentModel;
class Foo {
[AttributeProvider(typeof(IListSource))]
public object Bar { get; set; }
static void Main() {
var bar = TypeDescriptor.GetProperties(typeof(Foo))["Bar"];
foreach (Attribute attrib in bar.Att...
How to combine two jQuery results
...
You can use add();
var $foos = $('.foo');
var $foosAndBars = $foos.add('.bar');
or
var $allFoosAndBars = $allFoos.add($allBars);
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impro...
final keyword in method parameters [duplicate]
...uld happen when it's allowed to change extension here?
// extension = "foo";
return fileFilter;
}
Removing the final modifier would result in compile error, because it isn't guaranteed anymore that the value is a runtime constant. Changing the value from outside the anonymous class would ...
Python: print a generator expression?
...r object. Doing that will just make a list of one generator:
>>> foo = (x*x for x in range(10))
>>> [foo]
[<generator object <genexpr> at 0xb7559504>]
In that case you will need to call list():
>>> list(foo)
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
Although t...
How to order by with union in SQL?
...d make sure that the alias is the same for both the selects... so
select 'foo'
union
select item as `foo`
from myTable
order by `foo`
notice that I'm using single quotes in the first select but backticks for the others.
That will get you the sorting you need.
...
How do I find an element that contains specific text in Selenium Webdriver (Python)?
...
xpath for variable Text
Incase the text is a variable you can use:
foo= "foo_bar"
my_element = driver.find_element_by_xpath("//div[.='" + foo + "']")
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...
Change URL parameters
...on: (1) paramVal is not uri-encoded. (2) if paramVal is null, then you get foo=null. It should be foo= (or even better, remove foo completely).
– Jonathan Aquino
Sep 5 '14 at 17:50
...
What's the difference between equal?, eql?, ===, and ==?
...hen constructs. The following code snippets are logically identical:
case foo
when bar; p 'do something'
end
if bar === foo
p 'do something'
end
eql? (Hash-key comparison)
Ruby uses :eql? (in combination with the method hash) to compare Hash-keys. In most classes :eql? is identical with :==...
In which order do CSS stylesheets override?
...
The most specific style is applied:
div#foo {
color: blue; /* This one is applied to <div id="foo"></div> */
}
div {
color: red;
}
If all of the selectors have the same specificity, then the most recent decleration is used:
div {
color: red;
}...
Android SQLite: nullColumnHack parameter in insert/replace methods
...
Let's suppose you have a table named foo where all columns either allow NULL values or have defaults.
In some SQL implementations, this would be valid SQL:
INSERT INTO foo;
That's not valid in SQLite. You have to have at least one column specified:
INSERT I...