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What Is Wrapper Function
What is a wrapper function in Python? A wrapper function in Python is a function that takes an old function as input parameter and returns a new function. The new function should have the same parameter list and return type. If you call the new function, it will perform the same task as the old func... 2018-02-08, 383👍, 0💬

Pass Function as Function Parameter
How to pass function objects as function parameters? You can pass function objects like any other types of objects as parameters of other functions. For example, &gt;&gt;&gt; def x(): ... print("Hello world!") ... &gt;&gt;&gt; def addVersion(f): ... f.version = "1.0" ... f.au... 2018-02-08, 347👍, 0💬

Functions Are Objects Too
Are functions objects in Python? Yes, all functions are objects of "function" type in Python? You can verify this with the following Python code: &gt;&gt;&gt; def x(): ... print("Hello world!") ... &gt;&gt;&gt; type(x) &lt;class 'function'&gt; In other words, the "def... 2018-02-08, 335👍, 0💬

Function Parameters Assigned with Object References
Is it true that all function parameters are assigned with object references in Python? Yes, all function parameters are assigned with object references in Python. You modify referenced data objects to share data with the calling statement. Here is a good example of modifying the data object referenc... 2018-02-08, 325👍, 0💬

'__dict__' Dictionary in Function Object
What is the "__dict__" dictionary property in a function object? By default every function object has "__dict__" built-in dictionary property. Each name value pair in this dictionary becomes a formal property of the function object accessible using the "." operation. It is empty when the function ob... 2018-02-08, 276👍, 0💬

JSON Schema Syntax
What is the JSON Schema syntax? I heard that it is very simple. JSON Schema syntax is very simple. Here are some basic JSON Schema syntax rules: 1. A JSON schema must be a valid JSON Object. 2. A JSON schema may contain zero, one or more validation properties (also called keywords). Each validation ... 2018-02-01, 365👍, 0💬

JSON Schema Example
Where to get a simple example of JSON Schema? Here is simple JSON Schema example, called Person_Schema.json: { "title": "Person", "type": "object", "properties": { "firstName": { "type": "string" }, "lastName": { "type": "string" }, "age": { "description": "Age in years", "type": "integer", "minimum... 2018-02-01, 333👍, 0💬

What Is Python
What Is Python? Python is a widely used high-level programming language for general-purpose programming, created by Guido van Rossum and first released in 1991. Main features of Python: Python is a multi-paradigm programming language: object-oriented programming and structured programming are fully ... 2018-02-01, 330👍, 0💬

What Is JSON Schema
What Is JSON Schema? JSON (JavaScript Object Notation) Schema is a standard on how to define the structure of a JSON text string. JSON Schema allows you to: Describe the structure of your JSON text strings. Provide clear, human- and machine-readable documentation about your JSON text strings. Allow ... 2018-02-01, 306👍, 0💬

Introduction of Python
Where to find tutorials in understanding what is Python? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is Python. What Is Python Download Latest Version of Python for Windows Install Latest Version of Python for Windows Ver... 2018-02-01, 293👍, 0💬

'__init__()' Class Method to Initialize New Instance
What is the "__init__()" class method? The "__init__()" class method is a special method that will be automatically called, if you use the class name as a constructor to create a new instance of the class. Here are the rules you need to follow to define and use the "__init__()" class method: 1. Defi... 2018-01-27, 420👍, 0💬

Manage and Use Class Properties
How to manage and use class properties? Class properties, also called class attributes, are name value pairs associated with class "type" object, and shared among all instances (objects) created from this class. You can manage and use class properties in various places: 1. In the class definition st... 2018-01-27, 345👍, 0💬

What Is Class Method
What is class method in Python? Class methods are functions defined inside the class definition statement block. You can call to execute a class method in two formats: 1. Calling the method with the class name in the dot (.) expression format: class_name.method_name(...). For example, &gt;&g... 2018-01-27, 316👍, 0💬

Create New Instances of a Class
How to Create a New Instance of a Class? There are two ways to create a new instance (object) of a class (or type): 1. The short way: Call the class name as the class constructor function with the following syntax. It will return an instance of the given class. &gt;&gt;&gt; x = class_nam... 2018-01-27, 309👍, 0💬

Where Are Class Properties Stored
Where Are Class Properties Stored? Class properties are stored in a built-in property called "__dict__" in class "type" object. The "__dict__" property is inherited from the base class "object" and managed by the Python engine. If you ever forget what class properties are associated with a class, yo... 2018-01-27, 297👍, 0💬

'context.Request.Body' Request Body
How to access Request body from "context.Request.Body" object in Azure API Policy? Request body is the HTTP request body, which follows an empty line after request headers. You can access Request body from "context.Request.Body" object in any policy statements. This "context.Request.Body" object is ... 2018-01-24, 546👍, 0💬

Using .NET CLR Types in Azure API Policy
How to use .NET CLR Types in Azure API Policy? By default, Azure imports many basic .NET CLR (Common Language Runtime) types into the API policy execution environment. Imported .NET CLR types can be used in any "@(...)" expressions or "@{...}" expression blocks. For example, the following "@{...}" e... 2018-01-24, 406👍, 0💬

Dump Everything from 'context.Request'
How to build a test service operation to dump everything from the "context.Request" object in the response in Azure API Policy? If you want to build a test service operation to dump everything from the request to the response with an Azure API policy, you can follow this tutorial: 1. Go to the publi... 2018-01-24, 392👍, 0💬

'set-variable' Statement to Create Custom Variables
How to use the "set-variable" Policy Statement to create custom variables for an Azure API service operation? The "set-variable" policy statement allows you to create custom variables with given values to be used later in other policy statements. The "set-variable" statement has the following syntax... 2018-01-24, 327👍, 0💬

Use Custom Variables in Policy Expressions
How to use custom variables created by "set-variable" statements in policy expressions? If you want to access custom variables created by "set-variable" statements, you can use the IReadOnlyDictionary object through "context.Variables". For example, the following policy creates a custom variable dur... 2018-01-24, 310👍, 0💬

'choose ... when ...' Statements to Control Execution Flows
How to use 'choose ... when ..." policy statements to control execution flows? If you want to control execution flows in Azure API management process, you can use the 'choose ... when ..." policy statement. The "choose ... when ..." statement has the following syntax: &lt;choose&gt; &lt;... 2018-01-19, 382👍, 0💬

Policy to Modify Request and Response Body
Where to find tutorials on creating Policy to Modify Request and Response Body on Azure API Management Policy? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on creating Policy to Modify Request and Request Body on Azure API Management Policy. 'f... 2018-01-19, 307👍, 0💬

'json-to-xml' Azure API Policy Statement
How to use "json-to-xml" Azure API Policy Statement? The "json-to-xml" Policy Statement allows you to convert the body of the inbound request or outbound response from JSON format to XML format. For example, the following "json-to-xml" policy statement converts the output response from JSON format t... 2018-01-19, 294👍, 0💬

'find-and-replace' Policy Statement
How to use the "find-and-replace" Policy Statement for an Azure API service operation? The "find-and-replace" Policy Statement allows you to find and replace a sub string in the request body or response body. For example, the following inbound policy will replace "$id" by the template parameter "id"... 2018-01-19, 277👍, 0💬

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