当前位置：网站首页>random shuffle注意
random shuffle注意
2022-07-03 02:26:00 【沉思的雅典娜】
为了得到一个随机的二维数组，注意红色框框部分。
如果不使用copy()
xtrain列表append的list都会在最后关头全部改变。
边栏推荐
- Apple releases MacOS 11.6.4 update: mainly security fixes
- The data in servlet is transferred to JSP page, and the problem cannot be displayed using El expression ${}
- Gbase 8C trigger (III)
- stm32F407-------DMA
- 基于线程池的生产者消费者模型（含阻塞队列）
- COM和CN
- What are MySQL locks and classifications
- Cancellation of collaboration in kotlin, side effects of cancellation and overtime tasks
- [tutorial] chrome turns off cross domain policies CORS and samesite, and brings cookies across domains
- Kotlin middle process understanding and Practice (I)
猜你喜欢
怎么将yolov5中的PANet层改为BiFPN
Introduce in detail how to communicate with Huawei cloud IOT through mqtt protocol
Recommendation letter of "listing situation" -- courage is the most valuable
Awk from introduction to earth (0) overview of awk
What are MySQL locks and classifications
![[Flutter] dart: class； abstract class； factory； Class, abstract class, factory constructor](/img/06/ab333a4752de27eae2dd937cf579e2.png)
[Flutter] dart: class； abstract class； factory； Class, abstract class, factory constructor
Servlet中数据传到JSP页面使用el表达式${}无法显示问题
![[shutter] bottom navigation bar implementation (bottomnavigationbar bottom navigation bar | bottomnavigationbaritem navigation bar entry | pageview)](/img/41/2413af283e8f1db5d20ea845527175.gif)
[shutter] bottom navigation bar implementation (bottomnavigationbar bottom navigation bar | bottomnavigationbaritem navigation bar entry | pageview)
Solution for processing overtime orders (Overtime unpaid)
4. Classes and objects
随机推荐
GBase 8c系统表-pg_authid
GBase 8c 函数/存储过程参数（二）
Simple understanding of SVG
Summary of ES6 filter() array filtering methods
通达OA v12流程中心
返回一个树形结构数据
Cvpr2022 remove rain and fog
【CodeForces】CF1338A - Powered Addition【二进制】
Kotlin middle process understanding and Practice (II)
Gbase 8C function / stored procedure definition
[shutter] bottom navigation bar implementation (bottomnavigationbar bottom navigation bar | bottomnavigationbaritem navigation bar entry | pageview)
QT qcombobox add qccheckbox (drop-down list box insert check box, including source code + comments)
Pytorch convolution network regularization dropblock
Producer consumer model based on thread pool (including blocking queue)
easyExcel
Basic operation of binary tree (C language version)
require.context
CFdiv2-Fixed Point Guessing-(區間答案二分)
Cfdiv2 fixed point guessing- (interval answer two points)
Introduce in detail how to communicate with Huawei cloud IOT through mqtt protocol