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Instance attribute attribute_name defined outside __init__
...what I'm used to with Java. However, I just discovered that when extending Python classes, the parent can see and operate on child instance variables EVEN when not passed to the parent through Super. This makes extending some classes very difficult, because the parent class will operate on the child...
super() raises “TypeError: must be type, not classobj” for new-style class
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And this is one of the reasons we now have Python 3.
– Steven Rumbalski
Mar 15 '12 at 15:09
2
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Biggest differences of Thrift vs Protocol Buffers?
...nguages supported by default.
Protocol Buffers: Java, Android Java, C++, Python, Ruby, C#, Go, Objective-C, Node.js
Thrift: Java, C++, Python, Ruby, C#, Go, Objective-C, JavaScript, Node.js, Erlang, PHP, Perl, Haskell, Smalltalk, OCaml, Delphi, D, Haxe
Both could be extended to other platforms, ...
Rename an environment with virtualenvwrapper
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I just tried this and it created the "copy" with python2.7, even though the oldenv I was trying to copy used python3.7..... sad.
– Leo
Aug 28 at 0:26
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How can one pull the (private) data of one's own Android app?
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Python alternative for where openssl has not been compiled with zlib: dd if=data.ab bs=1 skip=24 | python -c "import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))" | tar -xvf - (from above source)
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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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DH&DL=DX：数据寄存器，常用于数据传递
为了运用所有的内存空间，8086设定了四个段寄存器，专门用来保存段地址：
CS（Code Segment）：代码段寄存器
DS（Data Segment）：数据段寄存器
SS（Stack Segment）：堆栈段寄存器
ES（Extra ...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...内容摘要：1）安装zeromq、2）实例说明使用zmq进行网络间的消息发送和接收首先在机器中安装zmq库步骤如下：1）下载zeromq的源代码，Zer...本文内容摘要：1）安装zeromq、2）实例说明使用zmq进行网络间的消息发送和接收
首先在机...
How to pass a user defined argument in scrapy spider
...www.example.com/{category}'] # py36
super().__init__(**kwargs) # python3
def parse(self, response)
self.log(self.domain) # system
Taken from the Scrapy doc: http://doc.scrapy.org/en/latest/topics/spiders.html#spider-arguments
Update 2013: Add second argument
Update 2015: ...
Verify version of rabbitmq
..._properties.items():
print k, v
Save as checkVersion.py and run with python checkVersion.py dev.rabbitmq.com:
% python checkVersion.py dev.rabbitmq.com
information Licensed under the MPL. See http://www.rabbitmq.com/
product RabbitMQ
copyright Copyright (C) 2007-2011 VMware, Inc.
capabilitie...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...PDU （Protocol Data Unit： 协议数据单元，在一个传输单元中的有效传输数据）能够传输的最大数据量（多少字节可以一次性传输到对方）。
* MTU 交换是为了在主从双方设置一个PDU中最大能够交换的数据量，通过MTU的交换...