private static final int MAX_ARRAY_SIZE = Integer.MAX_VALUE - 8; private void grow(int minCapacity) { overflow-conscious code int oldCapacity = elementData.length; int newCapacity = oldCapacity + (oldCapacity >> 1...
ArrayList is based on an array. When deleting, the get position is O (1), and the delete complement is O (n). LinkedList is based on a linked list, and when deleted, the location is O (n), and the deletion is O (1). The operation of inserts is the sam...
you need to get a collection of all the id of isCheck = true list: [{ id: 1 , isCheck: false, children: [{ id: 1-1 , isCheck: false, children: null }, { id: 1-2 , isCheck: true, children: null }] }, { id: ...
for the data requested by the backend, in order to implement the deletion API, you need to obtain the id, of the deleted data. Please tell me how to obtain it with jq. Thank you. ...
the following error occurred when my company was compiling a large android version of a project prebuilts gcc linux-x86 aarch64 aarch64-linux-android-4.9 aarch64-linux-android bin ld.gold: warning: skipping incompatible usr lib libstdcPP.so while se...
for example <li class="list-item"> <h1 class="title list">< h1> < li> use .list-item. Title {} or .title.list {} ...
just take the development environment as an example I saw this line of code in webpack.dev.conf.js, new webpack.DefinePlugin({ process.env : require( .. config dev.env ) }), if I have this line of code, I can get the content configure...
the problem may not be described clearly, so write a demo to explain it, such as this: I want the same names to be merged together, and 1 and 2 names are the same, so they are merged together. how is it implemented? ...