大约有 40,000 项符合查询结果(耗时:0.0474秒) [XML]
How to prevent favicon.ico requests?
...
– Már Örlygsson
Mar 15 '11 at 23:32
2
...
How to serialize SqlAlchemy result to JSON?
...(json.JSONEncoder):
def default(self, obj):
if isinstance(obj.__class__, DeclarativeMeta):
# an SQLAlchemy class
fields = {}
for field in [x for x in dir(obj) if not x.startswith('_') and x != 'metadata']:
data = obj.__getattribute__(f...
How to implement a binary tree?
...plementation of binary search tree.
#!/usr/bin/python
class Node:
def __init__(self, val):
self.l = None
self.r = None
self.v = val
class Tree:
def __init__(self):
self.root = None
def getRoot(self):
return self.root
def add(self, val):
...
How can I represent an 'Enum' in Python?
...34. Code is not perfectly compatible between py2 and py3, e.g. you'll need __order__ in python 2).
To use enum34, do $ pip install enum34
To use aenum, do $ pip install aenum
Installing enum (no numbers) will install a completely different and incompatible version.
from enum import Enum #...
From an array of objects, extract value of a property as array
...
Check out Lodash's _.pluck() function or Underscore's _.pluck() function. Both do exactly what you want in a single function call!
var result = _.pluck(objArray, 'foo');
Update: _.pluck() has been removed as of Lodash v4.0.0, in favour of _...
Why use argparse rather than optparse?
...
324
As of python 2.7, optparse is deprecated, and will hopefully go away in the future.
argparse ...
Javascript objects: get parent [duplicate]
I have the following (nested) object:
12 Answers
12
...
Set the maximum character length of a UITextField
...t 3. Thanks
– frouo
Mar 8 '17 at 15:32
1
the most beautiful way to achive it ! Thanks
...
How to access outer class from an inner class?
...f):
return Outer.Inner(self)
class Inner(object):
def __init__(self, outer_instance):
self.outer_instance = outer_instance
self.outer_instance.somemethod()
def inner_method(self):
self.outer_instance.anothermethod()
...
Performing a Stress Test on Web Application?
...
Peter BernierPeter Bernier
7,83255 gold badges3535 silver badges5252 bronze badges
...
