Python: Yes, coroutines are complicated, but they can be used as simply as generators
The fact is that we often take the .send() sematics of coroutines too seriosly that we simply ignore the possibility to use them just like generators.
Recent Posts
Python: IDLE won’t display anything for an expression evaluated to None
This is trivial but sometimes misleading.
Python: raise / 3 key elements of an exception
1. raise-statement in Python 2
Python: except
简单说一下。except 可以接一个 tuple 表示捕捉多种类型的异常，也可以不带任何参数表示捕捉 everything（当然这是一个 anti-pattern）。
Python: with-statement / variable scope in with-statement
with-statement
Python: try-except-else-finally
Python 的 try-except-finally 和 Java 的 try-catch-finally 其实是一样的，烦就烦在中间那个 else 上：
Python: Variable scope in if-statement
In Java, this is wrong and you cannot even compile:
Python: Query reference sequences using rpy2 and BSgenome
Usually this job is done in R, as deescribed in Using R + Bioconductor to Get Flanking Sequence Given Genomic Coordinates. An R sample could be this simple:
Python: List multiplication is actually repetition
之前遇到过这么一个例子：
Python: Iterating a file by every 2 lines
一个有点鸡贼的方法：