我使用带有自定义项的弹出菜单。像这样的问题红线代表默认宽度大小。但我想要自定义更小宽度的项目(代表红线)。publicvoidonClick(Viewv){//CreatingtheinstanceofPopupMenuPopupMenupopup=newPopupMenu(MainLayout.this,mSikBtn);popup.getMenuInflater().inflate(R.menu.poupup_menu,popup.getMenu());popup.setOnMenuItemClickListener(newPopupMenu.OnMenuItemClickList

是否有Ruby习惯用法用于在条件为真时从数组中弹出项目并返回集合？即，#Wouldpopallnegativenumbersfromtheendof'array'andplacetheminto'result'.result=array.pop{|i|i据我所知，上面的内容不存在。我正在使用result=[]whilearray.last 最佳答案 也许您正在寻找take_while？array=[-1,-2,0,34,42,-8,-4]result=array.reverse.take_while{|x|xresult将是[-8,