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作为一个SAP开发人员,需要学习SAP传统技术(比如ABAP)以外的开源技术吗?
I joined SAP China seven years ago after graduation and knew nothing about SAP or ABAP at that time. Now I am working as a development expert in SAP. ...
分类:其他好文   时间:2020-09-17 19:37:39    阅读次数:29
在VSCode中配置launch.json启动Electron程序
最近打算开发一个自己用的客户端小软件,Delphi、Qt、C#这些都好久不用了,重新拾起来也要花点时间,对比一下觉得还不如研究一下新的东西,最终选中了Electron。
分类:Web程序   时间:2020-09-17 17:17:12    阅读次数:31
对象的创建
Java对象创建的流程大概如下: 检查对象所属类是否已经被加载解析; 为对象分配内存空间; 将分配给对象的内存初始化为零值; 执行对象的<init>方法进行初始化。 举个例子如下: public class Test { public static void main(String[] args) ...
分类:其他好文   时间:2020-08-15 23:52:51    阅读次数:62
leetcode104:permutations
题目描述 给出一组数字,返回该组数字的所有排列 例如: [1,2,3]的所有排列如下 [1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2], [3,2,1]. (以数字在数组中的位置靠前为优先级,按字典序排列输出。) Given a collection of number ...
分类:其他好文   时间:2020-08-01 21:38:13    阅读次数:111
HDU 1518 Squre
Given a set of sticks of various lengths, is it possible to join them end-to-end to form a square? InputThe first line of input contains N, the number ...
分类:其他好文   时间:2020-07-27 09:42:59    阅读次数:80
[LeetCode] 954. Array of Doubled Pairs 两倍数对儿数组
Given an array of integers A with even length, return true if and only if it is possible to reorder it such that A[2 * i + 1] = 2 * A[2 * i] for every ...
分类:编程语言   时间:2020-07-26 19:14:18    阅读次数:72
93. Restore IP Addresses 93.恢复IP地址
Given a string containing only digits, restore it by returning all possible valid IP address combinations. A valid IP address consists of exactly four ...
分类:其他好文   时间:2020-07-23 23:22:00    阅读次数:75
J - EXTENDED LIGHTS OUT
POJ - 1222 与这道题一样,都是高斯消元求异或方程组。 一共$30$盏灯,每盏灯影响上下左右的灯,基本上就是矩阵改一下。 最后求解方程,自由元随你定。 #include<iostream> #include<cstdio> #include<cstring> #include<cmath> ...
分类:其他好文   时间:2020-07-21 23:27:44    阅读次数:107
npm install 报错问题 The operation was rejected by your operating system. 及设置设置始终以管理员身份运行cmd窗口
The operation was rejected by your operating system. It's possible that the file was already in use (by a text editor or antivirus), or that you lack ...
分类:其他好文   时间:2020-07-21 13:47:31    阅读次数:273
[LeetCode] 1100. Find K-Length Substrings With No Repeated Characters
Given a string S, return the number of substrings of length K with no repeated characters. Example 1: Input: S = "havefunonleetcode", K = 5 Output: 6 ...
分类:其他好文   时间:2020-07-20 10:52:27    阅读次数:55
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