C++11 Initialization of braces for new features

stay C++11 in ,vector This syntax appears for initialization and equal sign assignment of vector nums({1, 2, 3, 4, 5});vector nums3 = vector({1, 2...
2019-08-22 21:39 views 65

Huawei Hongmeng system learning notes 9- Ecological construction of developers

2019 year 8 month 9 day , At the Huawei Developer Conference , Huawei consumer business CEO Yu Chengdong officially released the Hongmeng system , ...
2019-08-22 18:33 views 45

ValueError: Shape of passed values is (6, 3), indices imply (6, 6)

He needs it 6 column 6 that 's ok , But it was only given 6 column 3 that 's ok . In general, look at your own creation dataframe Is there any mis...
2019-08-22 13:18 views 184

C++——list Super detailed introduction

list：list It is a sequential container that can be inserted and deleted at any position within the constant range , And the container can iterate b...
2019-08-22 11:21 views 11

JAVA Implement simple section annotation

Background: I met a colleague in the analysis today springboot The problem caused by using the annotation and method lock of （@Transaction and syn...
2019-08-22 00:31 views 26

vue+element-ui Realize the input limit of price

Check the settlement method , import value , And the input price is verified and the input is limited . Specific implementation logic <el-form ...
2019-08-21 21:08 views 43

rsync:recv_generator: mkdir (in backup) failed:Permission denied (13) |failed to set times on "."

Recently in research rsync, After the configuration is completed, errors are reported all the time ：rsync: failed to set times on "/." (in xxx.xxx...
2019-08-21 13:44 views 929

Docker Advanced - resource management Swarm+Portainer

Docker Swarm resource management Docker Swarm yes Docker One of the official three swordsmen project , provide Docker Container cluster service ,...
2019-08-21 10:26 views 62

javaScript- How to introduce js code

javaScript- How to introduce js Code direct po Code and screenshot <!DOCTYPE html><html><head><meta charset="UTF-8"><tit...
2019-08-20 20:37 views 16

machine learning —k-means,k-means++ as well as k-means|| algorithm analysis

one ,k-means1, sketch K-Means It is an unsupervised learning algorithm . The idea of the algorithm is simple , For a given sample set , According ...
2019-08-20 20:06 views 20
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