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Get path from open file in Python
...
If you create a file using open('foo.txt', 'w') and then do f.name, it only provides you with the output foo.txt
– searchengine27
Jun 16 '15 at 17:04
...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...nt containing the text "Hello, world!"
div {
margin: 0;
}
div#foo {
margin-top: 10px;
}
<div id="foo">Hello, world!</div>
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Python - Passing a function into another function
...ents to be passed to `func`.
Example
-------
>>> def foo(a:Union[float, int], b:Union[float, int]):
... '''The function to pass'''
... print(a+b)
>>> looper(foo, 3, 2, b=4)
6
6
6
"""
for i in range(n):
fn(*args, **kw...
What is the Java ?: operator called and what does it do?
...y notable in final fields, but useful elsewhere, too.
e.g.:
public class Foo {
final double value;
public Foo(boolean positive, double value) {
this.value = positive ? value : -value;
}
}
Without that operator - by whatever name - you would have to make the field non-fina...
sqlite database default time value 'now'
...ull default (strftime('%s','now'))
);
insert into example(data) values
('foo')
,('bar')
;
select
id
,data
,created_at as epoch
,datetime(created_at, 'unixepoch') as utc
,datetime(created_at, 'unixepoch', 'localtime') as localtime
from example
order by id
;
id|data|epoch |utc ...
How to split a long regular expression into multiple lines in JavaScript?
...may write smaller regexes and concatenate them.
Let's split this regex
/^foo(.*)\bar$/
We will use a function to make things more beautiful later
function multilineRegExp(regs, options) {
return new RegExp(regs.map(
function(reg){ return reg.source; }
).join(''), options);
}
A...
What's the difference between an id and a class?
...at are all alike. For instance, common id elements are things like header, footer, sidebar. Common class elements are things like highlight or external-link.
It's a good idea to read up on the cascade and understand the precedence assigned to various selectors: http://www.w3.org/TR/CSS2/cascade.htm...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...but the following <userDefinedRuntimeAttributes> remained in xml (of foo.storyboard):
<userDefinedRuntimeAttributes>
<userDefinedRuntimeAttribute type="color" keyPath="shadowColor">
<color key="value" white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGa...
Swift - How to convert String to Double
...se it returns 0 for non number values. This means that the doubleValue of "foo" and "0" are the same.)
let myDouble = Double(myString)
This returns an optional, so in cases like passing in "foo" where doubleValue would have returned 0, the failable intializer will return nil. You can use a guard,...
Simulate first call fails, second call succeeds
...meMethod("some arg"))
.thenThrow(new RuntimeException())
.thenReturn("foo");
//First call: throws runtime exception:
mock.someMethod("some arg");
//Second call: prints "foo"
System.out.println(mock.someMethod("some arg"));
So in your case, you'd want:
when(myMock.doTheCall())
.thenRetu...