Execute Python Script in Windows

Simple Note

Simply type FILE_NAME.py then press Enter in cmd.

Code:

helloworld.py

h = "hello"
w = "world"
print(h + " " + w + "!")

Result:

Download:

https://github.com/benbai123/Python/blob/master/Practice/Basic/execute_script_file/helloworld.py

Reference:

http://docs.python.org/3.3/tutorial/interpreter.html

Execute System Command in Python

Simple Note

(Assume the command that can clear screen called cls and you want to clear screen in Python Interactive Mode)

import os lib then call os.system(COMMAND) as below:

Before:

After:

Python Getting Started

Simple Note

Steps

1. Go to download page (http://www.python.org/download/ for now) and download what you need (I choose Python 3.3.2 Windows x86 MSI Installer).

2. Execute downloaded file to install Python (Assume you installed it at C:\Python33).

3. Open command line and
    * Option A: go to the installed location (Assume C:\Python33)
    * Option B: type set path=%path%;C:\Python33 (for Windows) to make it accessible anywhere

4. Type "python", press Enter, type "help()", press Enter.

5. Go to tutorial page displayed in help message.

6. Go through tutorial to learn it.

ZK Store Canvas Image to Server

Simple Note

Pre-request

HTML5 Canvas: Basic functions
http://ben-bai.blogspot.tw/2012/08/html5-canvas-basic-functions.html

JAVA: Convert Image to Base64 String and Base64 String to Image
http://ben-bai.blogspot.tw/2012/08/java-convert-image-to-base64-string-and.html


Code

Test page at github
https://github.com/benbai123/ZK_Practice/blob/master/Integrate/Canvas/Canvas2Image/WebContent/index.zul

Reference

HTML5 Canvas Get Image Data URL
http://www.html5canvastutorials.com/advanced/html5-canvas-get-image-data-url/