make apps with python

inside a function LEGB Principles L (local) local scope E (enclosing function locale) outer nested functions Scope The module scope where the G (Global module) function is defined B (Buildin): Python built-in scope for magic Promote local variables to global variables (using global)DefFun ():GlobalB1B1= Print(B1)Print ("I AM in Fun")# B2 's scope is fun b2 = Print(B2)Fun ()Print (B1)Globals, locals function

y2 Number of shapes: the right bottom y-coordinate of the region string string: The string to be found, which can be a combination of strings, such as "Changan | luoyang | Dayan Pagoda", Middle with "|" To split a string Color_format string: A color format string that can contain a newline delimiter, with the syntax "," followed by a split string. You can view the following example. Note that both RGB and HSV formats are supported. SIM Double-precision floating-point number: Similarity, range o

Python's Magic method is the predefined functions in Python like the __xxx__ type. The biggest advantage of using Python's Magic method is that Python provides a simple way for objects to behave like built-in types. __str__ function The __STR__ function is used to process the output of the print instance itself. If the function is not overwrite, the default output is an object name and memory address. For

time the write operation is made.fp.truncate ([size]) #把文件裁成规定的大小, the default is the location that is cropped to the current file action tag. If the size of the file is larger, depending on the system may not change the file, it may be 0 files to the corresponding size, it may be some random content to add. Directory operation: Os.mkdir ("file") Create directory Copy file: shutil.copyfile ("Oldfile", "NewFile") Oldfile and newfile can only be files shutil.copy ("Oldfile", "NewFil

I used easy_install pyquery to install the pyquery framework, but found no documentation, so I went to its website to get a copySource codeFortunately, there is a Docs File in it. After reading it, it is not compiled yet, so enter make in the terminal: Huangjacky @ huangjacky-LAPTOP :~ /Program/code/python_framework/pyquery/docs $ make please use 'make If yo

Problem:Start Python prompt error:IDLE ' s subprocess didn ' t make connection. Either IDLE can ' t start a subprocess or personal firewall software is blocking the connection.Reason:That's usually means that your firewall was blocking IDLE, so enable it in your firewall. If that's doesnt work, does this to fixIt (with some disavantages):Workaround:1. Open c:/python24/lib/idlelib/pyshell.py (

1. BackgroundOk, maybe a lot of friends like me often use a variety of APIs, such as Facebook, GitHub, and even API. So many people also want to make their own API. Online on this aspect of the course is very few, today I have done one, the method published.First show the effect:Using the "Curl" method, return a JSON, you can also try:Curl-i HTTP://OSPAFZONE.DUAPP.COM/OSPAF2. CodeFirst of all, the environment, is