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What is the difference between '@' and '=' in directive scope in AngularJS?
... @JonathanAquino, yes that works, but @ would be more appropriate -- with foo="{{1+1}}" -- because we don't need two-way data binding here. The point I tried to make in the comment above is that we should use = only when the directive needs two-way data binding. Use @ or & otherwise.
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What does Class mean in Java?
...ill using the generic version.
if you knew the class, you'd use Class<Foo>. That way you can create a new instance, for example, without casting: Foo foo = clazz.newInstance();
if you don't use generics at all, you'll get a warning at least (and not using generics is generally discouraged as...
Python __call__ special method practical example
...he following is code I wrote yesterday that makes a version of the hashlib.foo methods that hash entire files rather than strings:
# filehash.py
import hashlib
class Hasher(object):
"""
A wrapper around the hashlib hash algorithms that allows an entire file to
be hashed in a chunked m...
Mockito: Inject real objects into private @Autowired fields
...ic instance and inject into the the field.
@Spy
..
@Mock
..
@InjectMock
Foo foo;
@BeforeEach
void _before(){
ReflectionTestUtils.setField(foo,"bar", new BarImpl());// `bar` is private field
}
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Trim string in JavaScript?
...otype.trim = function() {
return this.replace(/^\s+|\s+$/g, "");
};
" foo bar ".trim(); // "foo bar"
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Why does auto a=1; compile in C?
...nity wiki
9 revs, 2 users 97%Fred Foo
7
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How can I profile Python code line-by-line?
I've been using cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
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How to loop through an associative array and get the key? [duplicate]
... by roughly a factor of roughly 3.5 (At least on the box I used to test)
$foo = array(
1 => "Value1",
2 => "Value2",
10 => "Value10"
);
while($bar = each($foo)){
echo $bar[0] . " => " . $bar[1];
}
I would imagine that this is due to the fact the foreach copies the enti...
How do I put a variable inside a string?
... string operator with multiple arguments, one can use a tuple as operand: 'foo %d, bar %d' % (foo, bar).
– fiedl
Aug 8 '14 at 15:38
12
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How do I request a file but not save it with Wget? [closed]
...s assume std out when you leave off the descriptor from a redirect. So >foo is interpreted as 1>foo. When & follows a redirect, it instructs the shell to redirect the former file descriptor to the same output as the later. In this case, 2>&1 says redirect file descriptor 2 (std er...