items

问题 This question already has an answer here: How to change menu hover color 4 answers I add a MenuStrip in my app and is add on ManagerRenderMode at Render Mode . The problem is with the appearance, look offal. Look at those two photos, I want to change that white border of submenus in transparent, that blue rectangule that look offal on gray for the menu and for the submenu in dark gray (and his border that is a dark blue) and the border white of menu when is selected. How I can do this ?

问题 This question already has answers here : How to modify list entries during for loop? (8 answers) Closed 3 years ago . I'm trying to modify items in a list using a for loop, but I get an error (see below). Sample code: #!/usr/bin/env python # *-* coding: utf8 *-* data = [] data.append("some") data.append("example") data.append("data") data.append("here") for item in data: data[item] = "everything" Error: Traceback (most recent call last): File "./testy.py", line 11, in <module> data[item] =

问题 I\'m still trying to get my head around recyclerview. I have an arraylist, that I use to initialize a recycler view with. How can I add new items to the recycler view post setting an adapter and layoutmanager? private void initData() { mItems = new ArrayList<String>(); for (int i = 0; i < ITEMS_COUNT; i++) { mItems.add(\"Item \" + (i + 1)); } } private void initRecyclerView() { mRecentRecyclerView = (RecyclerView) findViewById(R.id.recentrecyclerView); mRecentRecyclerView.setHasFixedSize(true