function pdf(){ //一个html里面可能存在多个form,所以document.form[0]指的是第一个form,document.form[1]返回就是第二个form,如果没有第二个form,则返回undefined //就相当于:document.getElementsByTagName(form)[0] form = document.getElementsByTagName("form")[0]; with (form) { va…
By Daniel Du With View and Data API, you can hide some elements in viewer by calling "viewer.hide(dbIds)", when the elements are hided, it actually make it transparent with a shallow mark to it, or make it ghosted. It is a nice feature as user p…
Given a non-empty integer array, find the minimum number of moves required to make all array elements equal, where a move is incrementing a selected element by 1 or decrementing a selected element by 1. You may assume the array's length is at most 10…
Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n - 1 elements by 1. Example: Input: [1,2,3] Output: 3 Explanation: Only three moves are needed (remem…
Given a non-empty array of integers, return the k most frequent elements. For example,Given [1,1,1,2,2,3] and k = 2, return [1,2]. Note: You may assume k is always valid, 1 ≤ k ≤ number of unique elements. Your algorithm's time complexity must be…
Remove all elements from a linked list of integers that have value val. Example Given: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6 Return: 1 --> 2 --> 3 --> 4 --> 5 Credits:Special thanks to @mithmatt for adding this probl…
Separating elements Separating elements is a classic T-SQL challenge. It involves a table called Arrays with strings holding comma-separated lists of values in a column called arr. Run the following code to create the Arrays table, and populate it wi…
Irrelevant Elements Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 2407 Accepted: 597 Case Time Limit: 2000MS Description Young cryptoanalyst Georgie is investigating different schemes of generating random integer numbers ranging from…
