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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...ok like this:
POST /some-path HTTP/1.1
Content-Type: application/json
{ "foo" : "bar", "name" : "John" }
If you submit this per AJAX the browser simply shows you what it is submitting as payload body. That’s all it can do because it has no idea where the data is coming from.
If you submit a H...
Extract traceback info from an exception object
...ntly set using the with_traceback method of exceptions:
raise Exception("foo occurred").with_traceback(tracebackobj)
These features are minimally described as part of the raise documentation.
All credit for this part of the answer should go to Vyctor, who first posted this information. I'm incl...
How to get the size of a string in Python?
...not counted and can be dangerous if not used correctly.
>>> len('foo')
3
>>> len('\foo')
3
>>> len('\xoo')
File "<stdin>", line 1
SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 0-1: truncated \xXX escape
...
Python: Bind an Unbound Method?
...t: I'm working in Python 3 -- YMMV).
Consider this simple class:
class Foo(object):
def __init__(self, value):
self._value = value
def value(self):
return self._value
def set_value(self, value):
self._value = value
Here's what you can do with it:
>>...
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.
...
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...
How to replace a string in a SQL Server Table Column
...
UPDATE [table]
SET [column] = REPLACE([column], '/foo/', '/bar/')
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Get value from SimpleXMLElement Object
... you throw away all the features of SimpleXML, just so you can write $xml['foo'][0]['bar'][0]['@attributes']['baz'] instead of $xml->foo->bar['baz'].
– IMSoP
Aug 29 '17 at 13:51
...
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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