摘要： widget = widget or self.widget if isinstance(widget, type): widget = widget() else: widget = copy.deepcopy(widget) 阅读全文

摘要： import hashlib #1，首先引入hashlib模块 def password_encrypt(pwd): md5 = hashlib.md5() # 2，实例化md5() 方法 md5.update(pwd.encode()) # 3，对字符串的字节类型加密 ret = md5.hexd 阅读全文

摘要： from django.utils.functional import cached_property import datetime class User(object): birth_year = 1988 @cached_property def age(self): return datet 阅读全文

摘要： if installed_apps is None and hasattr(sys.modules[__name__], 'apps'): raise RuntimeError("You must supply an installed_apps argument.")print(sys.modul 阅读全文

摘要： for setting in dir(mod): if setting.isupper(): setting_value = getattr(mod, setting) if (setting in tuple_settings and not isinstance(setting_value, ( 阅读全文

摘要： def __new__(mcs, name, bases, attrs): # Collect fields from current class. current_fields = [] for key, value in list(attrs.items()): if isinstance(va 阅读全文

摘要： yum install -y gcc-c++ 离线安装pandas需要这个：pytz-2019.3.tar.gz 阅读全文

摘要： 临时生效 # export LANG="zh_CN.UTF-8" # 设置为中文 阅读全文

摘要： 1、主机名：hostname 2、查看端口服务：ss -autnlp 阅读全文

摘要： class TestModel(models.Model): name = models.CharField(max_length=100) title = models.CharField(max_length=200) test = models.ForeignKey('TestModel', 阅读全文