PyQt5 simple widget production steps:
After learning python for several months, I suddenly want to make some of my own tools. I remember that when I used to write GUI of C + + with QT, I remember that I can write GUI with pyqt, and I have been learning for a week. I've read all the basic things. It's almost like QT! But pyqt5's Chinese materials are poor! I ...
Posted on Sun, 31 May 2020 09:41:22 -0400 by brash
Java IO character stream
Character stream
Java provides some character stream classes to read and write data in character units, which are specially used for processing text files.
Character input stream (Reader)
java.io.Reader Abstract class is a super class representing all classes used to read character stream, which can read character information into memory. It de ...
Posted on Sun, 31 May 2020 07:00:59 -0400 by Pioden
Java IO character stream
Character stream
Java provides some character stream classes to read and write data in character units, which are specially used for processing text files.
Character input stream (Reader)
java.io.Reader Abstract class is a super class representing all classes used to read character stream, which can read character information into memory. It de ...
Posted on Sun, 31 May 2020 06:54:08 -0400 by adam84
Java IO character stream
Character stream
Java provides some character stream classes to read and write data in character units, which are specially used for processing text files.
Character input stream (Reader)
java.io.Reader Abstract class is a super class representing all classes used to read character stream, which can read character information into memory. It de ...
Posted on Sun, 31 May 2020 06:46:20 -0400 by diggysmalls
Analysis of file dependence of Qt in creating Application
When using QtCreator to create Application program, it will automatically create * * *. UI file in the folder "build - * * * - Desktop"_ Qt_ ***-Generate UI in debug_ ***. h, * * *. UI can be adjusted through QtDesigner, and a c + + class with the same name will be created in the folder of * * *. UI. This brings us a lot of doubts. Ho ...
Posted on Sun, 31 May 2020 00:41:38 -0400 by Kingy
Picture upload related
html: content
<p>
<label>Please select a file:</label>
<input type="file" id="file" />
<input type="button" value="Read image" onclick = "readAsDataURL()"/>
<input type="button" value="Read binary data" onclick = "readAsBinaryString()"/>
<input type="button" value="Read text file" o ...
Posted on Thu, 28 May 2020 12:29:52 -0400 by rajivgonsalves
WeChat Applet Development--Download Any File via Cloud Function
WeChat Applet Development--Download Any File via Cloud Function
1. Introduction to Cloud Development
WeChat applet developers are known to have many restrictions on applet development. When I was still a novice, the first level was stuck in HTTP requests without filed domain names. At that time, cloud development was not very long on the ...
Posted on Wed, 27 May 2020 20:53:43 -0400 by duclet
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