我是neo4j的新手,我正在尝试
Q1 - what are the modules both Computer Science and Applied IT have in common
Q2 - what are the modules that are available in Computer Science but not Applied IT
Q3 - what are the modules that are available in Applied IT but not Computer Science
假设:
计算机科学有单元1
计算机科学有模块2
计算机科学有模
我正在使用lex/yacc解析一种简单的语言,它允许'if块‘:
IF something
something
[ELSE IF something][ELSE]
END IF
还有“定义”语句下的其他嵌套逻辑:
DEFINE something
something
something else
END DEFINE
我需要一个通用的术语来指这些块(作为容器类的名称)。我曾经想过Flow Control,但它似乎没有正确地捕捉到意图.?
我必须建立一个函数,打印DNA片段中最长的回文子串。我已经写了一个函数来检查DNA片段是否是回文本身。请参见下面的函数。
def make_complement_strand(DNA):
complement=[]
rules_for_complement={"A":"T","T":"A","C":"G","G":"C"}
for letter in DNA:
complement.append(rules_for_comple