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关于数组删除
let arr1 = ['one', 'two', 'there'], arr2 = ['red', 'yellow', 'blue'], arr3 = ['brid', 'dog', 'pig'], arr4 = ['orange','apple','banner' ...
分类:编程语言   时间:2020-04-20 16:07:43    阅读次数:82
1132 Cut Integer
Cutting an integer means to cut a K digits lone integer Z into two integers of (K/2) digits long integers A and B. For example, after cutting Z = 1673 ...
分类:其他好文   时间:2020-04-20 11:55:53    阅读次数:62
762. Prime Number of Set Bits in Binary Representation
Problem : Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary repr ...
分类:其他好文   时间:2020-04-20 11:50:44    阅读次数:65
两数相加
此博客链接: 两数相加() 题目链接:https://leetcode-cn.com/problems/add-two-numbers/comments/ class Solution { public ListNode addTwoNumbers(ListNode l1, ListNode l2) ...
分类:其他好文   时间:2020-04-20 10:27:00    阅读次数:77
[安洵杯 2019]easy_serialize_php
[安洵杯 2019]easy_serialize_php.md 锻炼代码审计能力和学习 PHP反序列化 反序列化中的对象逃逸 SQL注入既视感 首先明确几个点: 序列化后的结果是一串字符串。 反序列化会解开序列化的字符串生成相应类型的数据。 如下代码示例,img是一个数组,下标分别是one和two, ...
分类:Web程序   时间:2020-04-19 17:58:27    阅读次数:191
658. Find K Closest Elements
Problem : Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending ord ...
分类:其他好文   时间:2020-04-19 00:38:45    阅读次数:62
693. Binary Number with Alternating Bits
Problem : Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values. Example 1: ...
分类:其他好文   时间:2020-04-18 22:43:40    阅读次数:74
db2获取第一条数据
问题描述:db2 怎么获取第一条数据 解决方案: select * from table fetch first 1 rows only 如果是取前三条,把数字修改成3即可 ...
分类:数据库   时间:2020-04-18 22:33:02    阅读次数:124
670. Maximum Swap
Problem : Given a non negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you ...
分类:其他好文   时间:2020-04-18 13:33:58    阅读次数:75
DataGridView一些总结
如下: DataTable dt = (DataTable)this.dataGridView1.DataSource; //数据集转化为DataTable dataGridView1.Rows.Count //数量统计 int ccc = dataGridView1.CurrentCell.Row ...
分类:Windows程序   时间:2020-04-18 09:19:44    阅读次数:73
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