You must know the basic knowledge of computer

Preface although in the programmer's career , Computer underlying knowledge may be rarely directly involved , But this does not mean that this par...
2020-05-06 21:17 views 13

Port Scanner

Scan common or specified ports to see if they are open
2022-09-11 09:25 views 712

MySQL Business introduction

## Database transactions ### meaning Through a set of logical operation units （ a set DML——sql sentence ）, Switching data from one state to anoth...
2020-05-04 21:46 views 30

51 Key of single chip microcomputer （ Independent key & Matrix button ）

Difficult things can't be learned because simple knowledge is not learned well and the foundation is not solid , Shake the earth and shake the mou...
2020-05-04 11:26 views 50

How to store data in wechat applet ?

I met the search record on the search page today , How can discipline still exist in the case of refreshing the page? These two introduce a synchr...
2020-04-29 22:46 views 30

systemctl daemon-reload

systemctldaemon-reload: Reload the configuration file of a service , If a new service is installed , Belong to systemctl Administration , If the...
2020-04-29 19:24 views 68

C Language lesson design ： Catering management and ordering system

one , Project brief 1, This program realizes the ordering function of users , There are five kinds of dishes ： Cold Dishes , Hot Dishes , Pot , st...
2020-04-28 21:36 views 35

CLion Novice step on the pit ：CMake project is not loaded

New contact CLion Encountered a problem when creating a project with a small partner of CMake project is not loaded Error tips for , How to solve ...
2020-04-28 15:46 views 152

How to pass Python realization EXCEL In vlookup Function function

This is the first use python It's a practical project , If there is something wrong , Please correct me ! target ： use python Put the table 1 Inse...
2020-04-28 14:17 views 28

pytorch in with torch.no_grad():

1. about withwith yes python Context manager in , Simple understanding , When a fixed entry is to be made , When returning to operation , You can s...
2020-04-26 19:19 views 31
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