我有一个字符串,格式如下:
<params text="To apply for and obtain a loan from Cash4Rent, Inc., you must agree to receive all information and disclosures regarding your loan electronically prior to submitting your loan application.
The following information will be provided by electronic communication.&
我正在使用Python的加密包在Django网站的MySQL数据库中保存加密的密码。我不确定这是不是一个bug,但下面是我使用的代码:
要加密/保存密码,请执行以下操作:
user.password = crypt(request.POST['password'], netid)
user.save()
要在登录时检查密码是否正确,请执行以下操作:
if crypt(password, email) == user.password:
# Grant acccess to the user's profile, etc.
问题如下。如果我用变量netid = test@
我需要编写一个算法来计算给定一些限制的可能字符串的数量:
The strings must have an N amount of characters;
The strings only have an X number of different letters;
The strings can't have an Y number of digraphs;
例如,对于N= 2,X=3和Y= 6:
The string: _ _ _
My set of letters: {a, b, c}
Set of proibited digraphs: {aa, bb, cc, ab, ac,