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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.
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How do I find an element that contains specific text in Selenium Webdriver (Python)?
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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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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 :==...
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
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Why are trailing commas allowed in a list?
I am curious why in Python a trailing comma in a list is valid syntax, and it seems that Python simply ignores it:
5 Answer...
In which order do CSS stylesheets override?
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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;
}...
Using OR in SQLAlchemy
I've looked through the docs and I cant seem to find out how to do an OR query in SQLAlchemy. I just want to do this query.
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Android SQLite: nullColumnHack parameter in insert/replace methods
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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
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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
}
}...