1、图形化界面设计的基本理解 当前流行的计算机桌面应用程序大多数为图形化用户界面(Graphic User Interface,GUI)。 即通过鼠标对菜单、按钮等图形化元素触发指令,并从标签、对话框等图型化显示容器中获取人机对话信息。Python自带了tkinter 模块,实质上是一种流行的面向对象的GUI工具包 TK 的Python编程接口,提供了快速...
数据处理：pandas、numpy 数据建模：scipy、scikit-learn、statesmodel、keras 数据可视化：matplotlib、seabor...
for link in soup.find_all('a'): linkText = str(link) if filetype in linkText: # Download file code here 您会注意到这段代码中的两个元素。首先,添加了str(link)位。Beautiful Soup 为我们找到了页面上的每个链接,但是它将链接作为一个链接对象返回,这对于非 Soup 代码来说是没有意义的。我们需要...
to get fast response from the server use small sizetry:#Create an AF_INET (IPv4), STREAM socket (TCP)tcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)exceptsocket.error, e:print'Error occurred while creating socket. Error code: '+str(e[0]) +' , Error...
container=st.beta_container()container.write("This is inside the container")st.write("This is outside the container")# Now insert some moreinthe container container.write("This is inside too") 2 分列展示 streamlit.beta_columns(spec)
('example.xlsx',engine='openpyxl')df.to_excel(excel_writer,index=False)excel_writer.save()# 加载 Excel 文件wb=load_workbook('example.xlsx')ws=wb.active# 打开图片文件img=PILImage.open('image.jpg')# 将图片插入到 Excel 的 A2 单元格img_width=img.width/20# 根据需要调整图片大小img_height=...
e = "Escaping: quotes: \" \' backslash: \\ newline: \r\n ascii code: \x40" f = """triple-quoted strings may contain newlines, "single" 'quotes' and '''multiquotes''' of the other type""" g = "Üňíçǿđȩ is also possible: 北京, Москва, Αθήνα, ...
(self): self.codeHobby = IntVar(); self.videoHobby = IntVar() print(self.codeHobby.get()) # 默认值是 0 self.c1 = Checkbutton(self, text="敲代码",variable=self.codeHobby,onvalue=1, offvalue=0) self.c2 = Checkbutton(self, text="看视频", variable=self.videoHobby,onvalue=1, off...
If you enter thedir()command in a scope, Visual Studio displays valid identifiers in that scope, including function names, classes, and variables. The following image shows the result of thedir()command for theimportlibscope: Send code to Interactive Window ...
the imgimg=qr.make_image(fill='black',back_color='white')#store the imageimg.save('qrcode_...