mysql sets default encoding format utf-8

Preface mysql 5.7.20 Demo under mac os Recently, I was a little idle and wanted to go back to the background, so I installed MySQL database. At first, I logged in to mysql, created users, authorized, created databases, created tables and so on. When I insert tables, I found errors in Chinese insertion of mysql. So I ...

Posted on Tue, 26 May 2020 13:23:13 -0400 by jaygattis

Click outside of EditText, the soft keyboard is hidden

In Android programming, we often need to click EditText, the soft keyboard pops up, with external area clicked, and the soft keyboard is hidden. Here are two ways I can provide: 1. We set the click event for the outermost ViewGroup of the layout, and then click to hide the soft keyboard. Isn't it very simple, but this way can only solve the s ...

Posted on Mon, 25 May 2020 11:13:02 -0400 by lawnmowerman

Spam classification 2

1. Read # 1. Read data set def read_dataset(): file_path = r'SMSSpamCollection' sms = open(file_path, encoding='utf-8') sms_data = [] sms_label = [] csv_reader = csv.reader(sms, delimiter='\t') for line in csv_reader: sms_label.append(line[0]) # Extract Tags sms_data.append(preprocessing(line[1]) ...

Posted on Mon, 25 May 2020 10:13:59 -0400 by Braet

Tab Interval Setting Method in TabLayout

TabLayout can be used with ViewPager for a lot of convenience, but there are still lots of places where people spit out TabLayout. Here's just how to set the interval between tab s, find a lot of ways on the web, what padding and margin don't work, there's no way, TabLayout can only do it on its own.The results are as follows: 1. Implemen ...

Posted on Sun, 24 May 2020 12:48:06 -0400 by Firestorm3d

[selfless sharing: ASP.NET Core project combat (Chapter 11) Asp.net Core cache MemoryCache and Redis

Original text: [selfless sharing: ASP.NET Core project combat (Chapter 11) Asp.net Core cache MemoryCache and Redis   Catalog Index   [selfless sharing: ASP.NET Core project actual combat] directory index   brief introduction      After N years of repeated attempts, I have read numerous materials on the Internet, downloade ...

Posted on Sun, 24 May 2020 08:16:11 -0400 by DjMikeWatt

Temperature prediction based on random forest

1, Weather maximum temperature prediction task Experimental data and source code https://github.com/wyn-365/temp-predict.git 1.1 tasks We have three tasks to accomplish: Using random forest algorithm to complete basic modeling tasks Basic tasks require us to process data, observe features, complete modeling and conduct visual display analysis ...

Posted on Sun, 24 May 2020 01:21:53 -0400 by jrschwartz

Ask the expert to help solve the problem -- Android P can't turn off the radio when it starts listening

Background: Recently, I am doing a test apk on android's endurance time. From the start of the test recording time to the time when the low-power automatic shutdown occurs, the current method is to monitor the shutdown broadcast to actually count the endurance time. However, the problem encountered is that the same test apk can normally monitor ...

Posted on Sat, 23 May 2020 11:23:21 -0400 by mike2098

spring cloud integrates spring boot admin monitoring center

Admin monitoring application The monitoring interfaces provided by Spring Boot, such as / health, / info and so on, actually need to be monitored by other information industries besides the information mentioned before: the number of currently active sessions, the number of concurrent applications, latency and other measurement information. Le ...

Posted on Wed, 20 May 2020 10:40:27 -0400 by bumbar

Redis list [4] - quicklist of data structure

1. Overview As mentioned earlier, before version 3.2 of Redis, ziplist was used to store under 512 small integers and short strings of under 64 bytes, while linkedlist was used to store other data. However, due to the relatively high additional space of the linked list, prev and next pointers take up 16 bytes (the 64 bit system pointer is 8 b ...

Posted on Wed, 20 May 2020 06:41:39 -0400 by hafez

North Airlines OO (2020) Unit 3 Blog Job

Catalog North Airlines OO (2020) Unit 3 Blog Job JML Language Summary theoretical basis Declarations of specification variables Common Expressions Method Specification Type specification Application Tool Chain Situation OpenJML validation Par ...

Posted on Tue, 19 May 2020 20:00:26 -0400 by LordPsyan