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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 ...
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 :==...
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
...
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...
How to get POSTed JSON in Flask?
...int could be response = request.post('http://127.0.0.1:5000/hello', json={"foo": "bar"}). Following this running response.json() should return {'foo': 'bar'}
– ScottMcC
Jun 11 '17 at 8:54
...
Swift - class method which must be overridden by subclass
...:
class MyVirtual {
// 'Implementation' provided by subclass
let fooImpl: (() -> String)
// Delegates to 'implementation' provided by subclass
func foo() -> String {
return fooImpl()
}
init(fooImpl: (() -> String)) {
self.fooImpl = fooImpl
}
}...
Running Windows batch file commands asynchronously
...
Combining a couple of the previous answers, you could try start /b cmd /c foo.exe.
For a trivial example, if you wanted to print out the versions of java/groovy/grails/gradle, you could do this in a batch file:
@start /b cmd /c java -version
@start /b cmd /c gradle -version
@start /b cmd /c gro...