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What is “Orthogonality”?
...or instance, in one language you can have:
str.split
for splitting a string and
len(str)
for getting the lenght.
On a language more orthogonal, you would always use str.x or x(str).
When you would clone an object or do anything else, you would know whether to use
clone(obj)
or
...
Eager load polymorphic
...w you join a table named by the value stored in a column. By defining the extra relationship belongs_to :shop, you are giving ActiveRecord the information it needs to complete the join.
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possible EventEmitter memory leak detected
...
I am using process.on('uncaughtException', callback);
– Riz
Mar 19 '12 at 10:51
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Check if Python Package is installed
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Name: numpy
Version: 1.11.1
Summary: NumPy: array processing for numbers, strings, records, and objects.
Home-page: http://www.numpy.org
Author: NumPy Developers
Author-email: numpy-discussion@scipy.org
License: BSD
Location: /home/***/anaconda2/lib/python2.7/site-packages
Requires:
Required-by: s...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...下其各自的.asm，发现在程序1.asm 中ar 的定义如下：
_BSS SEGMENT
?ar@@3PAHA DD 0493e0H DUP (?) ; ar
_BSS ENDS
而在程序2.asm 中，ar 被定义为：
_DATASEGMENT
?ar@@3PAHA DD 01H ; ar
DD 02H
DD 03H
ORG $+1199988
_DATAENDS
区别很明显，一个位于.bss 段...
assertEquals vs. assertEqual in python
...as been deprecated as well:
Method Name | Deprecated alias(es)
_________________________________________________________
assertEqual() | failUnlessEqual, assertEquals
From 25.3.7.1.1. Deprecated aliases
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transform object to array with lodash
...
You can do
var arr = _.values(obj);
For documentation see here.
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What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...eels like an Apple bug, I think it's probably the right thing to do. Especially in light of the fact that Apple recalculate this constraint and everything does lay out correctly after the error prints.
– Rog
Mar 18 '15 at 12:15
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Passing an integer by reference in Python
...d you can't just assign the "variable" a new value because then you're actually creating a new object (which is distinct from the old one) and giving it the name that the old object had in the local namespace.
Usually the workaround is to simply return the object that you want:
def multiply_by_2(x...
Python decorators in classes
...
Would something like this do what you need?
class Test(object):
def _decorator(foo):
def magic( self ) :
print "start magic"
foo( self )
print "end magic"
return magic
@_decorator
def bar( self ) :
print "normal call"
test ...