python - 随笔分类(第4页) - papering

摘要：Interfaces — zope.interface 5.0.2.dev0 documentation https://zopeinterface.readthedocs.io/en/latest/README.html 阅读全文

posted @ 2020-03-25 08:28 papering 阅读(197) 评论(0) 推荐(0)

摘要：django-admin and manage.py | Django documentation | Django https://docs.djangoproject.com/en/3.0/ref/django-admin/#runserver runserver¶ django-admin r 阅读全文

posted @ 2020-03-19 23:20 papering 阅读(764) 评论(0) 推荐(0)

异步日志 Loguru

摘要：https://mp.weixin.qq.com/s/hy68s610B9GbL_wgwTn7nA 更优美的python日志管理库Loguru Asynchronous, Thread-safe, Multiprocess-safe All sinks added to the logger are 阅读全文

posted @ 2020-03-17 23:51 papering 阅读(848) 评论(0) 推荐(0)

Object level permissions support

摘要：django-guardian (1.1.1+) - Object level permissions support. Home - Django REST framework https://www.django-rest-framework.org/#example 阅读全文

posted @ 2020-03-10 12:30 papering 阅读(177) 评论(0) 推荐(0)

functools.singledispatchmethod(Python 3.8) | 码农网 https://www.codercto.com/a/83245.html

摘要：functools.singledispatchmethod(Python 3.8) | 码农网 https://www.codercto.com/a/83245.html 阅读全文

posted @ 2020-03-09 10:02 papering 阅读(372) 评论(0) 推荐(0)

t

摘要：t 阅读全文

posted @ 2020-03-03 09:11 papering 阅读(139) 评论(0) 推荐(0)

__del__ PyPy和CPython的不同点动态编译（注意不是解释）析构函数被调用的次数

摘要：小结 1、cpy的垃圾回收会对调用__del__多次；pypy仅仅一次； https://www.liaoxuefeng.com/wiki/1016959663602400/1016966024263840 PyPy是另一个Python解释器，它的目标是执行速度。PyPy采用JIT技术，对Pytho 阅读全文

posted @ 2020-03-03 09:04 papering 阅读(318) 评论(0) 推荐(0)

https://stackoverflow.com/questions/3232943/update-value-of-a-nested-dictionary-of-varying-depth

摘要：https://stackoverflow.com/questions/3232943/update-value-of-a-nested-dictionary-of-varying-depth import copy d = {'k': 'kv'} j_sc = {'k1': copy.copy(d 阅读全文

posted @ 2020-02-13 01:13 papering 阅读(191) 评论(0) 推荐(0)

PEP 436 -- The Argument Clinic DSL

摘要：https://www.python.org/dev/peps/pep-0436/ https://docs.python.org/3.8/howto/clinic.html 阅读全文

posted @ 2019-11-28 18:40 papering 阅读(266) 评论(0) 推荐(0)

A program doesn’t run any faster when it is read from a .pyc file than when it is read from a .py file; the only thing that’s faster about .pyc files is the speed with which they are loaded.

摘要：https://docs.python.org/3/tutorial/modules.html?highlight=compile#compiled-python-files 阅读全文

posted @ 2019-11-28 13:44 papering 阅读(208) 评论(0) 推荐(0)

扩展和嵌入 Python 解释器用 C 或 C++ 编写模块以使用新模块来扩展 Python 解释器的功能定义新的函数\对象类型\方法。将 Python 解释器嵌入到另一个应用程序中

摘要：// https://python3-cookbook.readthedocs.io/zh_CN/latest/c15/p02_write_simple_c_extension_module.html // http://book.pythontips.com/en/latest/python_c_ 阅读全文

posted @ 2019-11-20 21:33 papering 阅读(558) 评论(0) 推荐(0)

线程局部存储线程本地数据

摘要：cpython/Lib/_threading_local.py at 3.12 · python/cpython · GitHub https://github.com/python/cpython/blob/3.12/Lib/_threading_local.py threading 基于线程的并阅读全文

posted @ 2019-11-08 20:47 papering 阅读(618) 评论(0) 推荐(0)

slice 切片实现 Slice object interface

摘要：1、Python切片对象可以为任意类型 https://github.com/python/cpython/blob/master/Include/sliceobject.h /* Slice object interface */ /* A slice object containing star 阅读全文

posted @ 2019-11-06 01:25 papering 阅读(770) 评论(0) 推荐(0)

堆栈源码

摘要：/* Object and type object interface */ /* Objects are structures allocated on the heap. Special rules apply to the use of objects to ensure they are p 阅读全文

posted @ 2019-10-22 09:54 papering 阅读(183) 评论(0) 推荐(0)

Python 3.8.0 final¶ Release date: 2019-10-14

摘要：https://docs.python.org/3.8/whatsnew/changelog.html#python-3-8-0 Core and Builtins bpo-38469: Fixed a bug where the scope of named expressions was not 阅读全文

posted @ 2019-10-15 09:42 papering 阅读(281) 评论(0) 推荐(0)

StringIO和BytesIO

摘要：StringIO和BytesIO Content-Type multipart/form-data 阅读全文

posted @ 2019-06-21 11:21 papering 阅读(170) 评论(0) 推荐(0)

Python Log Viewer

摘要：https://pythonhosted.org/logview/ 阅读全文

posted @ 2019-06-12 11:37 papering 阅读(340) 评论(0) 推荐(0)

PEP 442 -- Safe object finalization

摘要：https://www.python.org/dev/peps/pep-0442/ PEP 442 -- Safe object finalization Contents Abstract Definitions Impact Benefits Description Reference-coun 阅读全文

posted @ 2019-06-11 21:45 papering 阅读(241) 评论(0) 推荐(0)

析构函数实例析构类析构

摘要：initinit1 Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 22:22:05) [MSC v.1916 64 bit (AMD64)] on win32 Python 2.7.5 (default, May 15 2013, 22:44:16) [ 阅读全文

posted @ 2019-06-11 20:36 papering 阅读(603) 评论(0) 推荐(0)

gc --- 垃圾回收器接口弱引用允许指向对象但不增加其引用计数永生代永久世代

摘要：gc.freeze() 冻结由垃圾回收器追踪的所有对象；将它们移至永久世代并在所有未来的回收操作中忽略它们。如果一个进程将执行 fork() 而不执行 exec()，则在子进程中避免不必要的写入时拷贝将最大化内存共享并减少总体内存使用。这需要同时在父进程的内存页中避免创建已释放的“空洞”并确保在阅读全文

posted @ 2019-06-11 20:33 papering 阅读(256) 评论(0) 推荐(0)

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随笔分类 - python