pycharmShortcut.md

Onboarding tour

• ==☆==ctrl + space: show options

  • 甚至可以提示字典的key
  • self.total, caret after ., it will show other attributes of self.

• ==☆==ctrl shift space: suggest completion by the context, it’s smarter than ctrl space.

• alt + enter: preview warnings and apply a fix

• ==☆==alt + enter: show return type in func 声明括号中

• Shift two times: open Search Everywhere dialog

Editor basics

search fora actions

寻找IDE的操作 or settings。

• ctrl + shif==☆==t + A or double shift

Editor basics

• ctrl w

  • first time, select the word under the caret

  • second time, select the whole string

  • third time, include quotes in the selection

  • four times, select tho whole call

  • ...

  • 选中if语句的整块代码

  •     if condition:
            print("Begin of the work")
            some_method("first string", "This is a long string that you can select for refactoring", "third string")
            print("End of the work")

• ctrl shift w: shrink select. oppose to ctrl w

• ctrl + D:

• shift + ↑ + ctrl + D: 多行复制

• ctrl + y

  The behavior can be changed later in Settings | Keymap

  • delete current line
  • redo

• alt + shift + ↑: pull a line up

• alt shift ↓: pull down the current line.

• ==☆==ctrl + shift ↑:

  • caret at method name
  • move the whole method up

• ==☆==ctrl + shift ↓:

  • oppose with ctrl + shift ↑

• ==☆==ctrl - collapse a code(eg: class,method)

• ==☆== ctrl =

• ==☆==ctrl shift -:collapse all regions in the file.

• ==☆==ctrl shift =

• ==☆==ctrl alt t:surround the selected code fragment with template code. eg: try...catch.

• ==☆==ctrl shift delete: unwrap

multiple selections

Postfix

Refactoring menu

ctrl alt shift T:

• 

• def foo(x, r=random):
      print(x + r)

  

• 

• 

  def method_name(a, i):
      a[i], a[i + 1] = a[i + 1], a[i]

• 给method增加一个参数