Tutorial by Examples: n

Let's say we have a model called product. class Product(models.Model): name = models.CharField(max_length=100) price = models.IntegerField() Now we are going to declare a model serializers for this model. from rest_framework.serializers import ModelSerializer class ProductSerialize...

Generally you should always define all variable and parameters as NO-UNDO unless you really need to. DEFINE VARIABLE cString AS CHARACTER NO-UNDO. cString = "HELLO". DISPLAY cString.

Using the + operator you can easily concatenate two or more strings. DEFINE VARIABLE cString AS CHARACTER NO-UNDO. cString = "HELLO". cString = cString + " " + "GOODBYE". DISPLAY cString FORMAT "X(20)".

There are a couple of useful built in functions for working with string. All functions working with the position of characters start with index 1 as the first character, not 0 as is common in many languages. STRING - converts any value to a string This example converts the integer 2000 to the stri...

How to reference any accessible folder. How to get the full name of a referenced folder. A pair of routines that together will list every folder within every accessible store. A routine to move a folder from one parent folder to another.

A number of the demonstration macros within this part requires a function which I will explain later. For the moment, please just copy GetFldrNames() to a suitable module. I use this function frequently and keep it, and other like it that I use in many different macros, in a module named “ModGloba...

In TestDefaultFldr() I set Fldr to the default Inbox. The constant olFolderInbox can be replaced by other values giving access to any of the default folders. If you type Set Fldr = Session.GetDefaultFolder(, the VB editor will display a drop down list of all the possible values. Sub TestDefaultFl...

TestFldrChain() demonstrates how to reference any folder within any accessible store: Sub TestFldrChain() Dim Fldr As Folder Set Fldr = Session.Folders("A").Folders("A2"). _ Folders("A21").Folders("A213") Debug.Print...

In Part 2, you were shown how to list every accessible store and the top level folders within each store. This involved a loop through the stores and then a loop for each store through its folders Above you have seen how to reference a known folder at any depth within the hierarchy of folders. Thi...

Why do I want to reference a folder? In the next part I will show you how to access emails within a referenced folder. Here I will show you how to move a folder. I created a folder named “Test” within my Inbox. In TestMoveFolder(), I replaced “A” with the name of the store containing my Inbox. ...

Most of functions in D3.js accept an anonymous function as an argument. The common examples are .attr, .style, .text, .on and .data, but the list is way bigger than that. In such cases, the anonymous function is evaluated for each selected element, in order, being passed: The current datum (d) ...

<script src="https://apis.google.com/js/api.js"></script> <script> function start() { // 2. Initialize the JavaScript client library. gapi.client.init({ 'apiKey': 'YOUR_API_KEY', // clientId and scope are optional if auth is not required. 'clientId': 'YOUR_WEB_CL...

Declare @Text nvarchar(max) Declare @Value int SET @Text = 'Text' SET @Value = 0

You are an Outlook user and understand terms such as “email”, “received time”, “subject” and “Folder Pane”. You know how to access Outlook’s Visual Basic Editor and create a module. See Introduction Part 1 if necessary. You have at least a basic knowledge of VBA. I declare Subroutines and variab...

Many ls() queries are intended to find a single object, but ls always returns a list (or, in older Mayas, a single None). This creates complicated error checking for a simple question. The easiest way to get a single value from an ls under any circumstances is result = (cmds.ls('your query here'...

All images are from UK versions of Outlook. I know that some names are translated into the local language for other versions and I assume that most of the names for the tabs are translated. Probably the sequence of tabs is unchanged in non-English versions. Alternatively, you will need to look at yo...

All images in this section are from the UK version of Outlook 2016. I know that some names are translated into the local language for other versions and I assume that most of the names for the tabs are translated. Probably the sequence of tabs is unchanged in non-English versions. Alternatively, you...

The images in this section are all from Outlook 2016 but they could have come from Outlook 2003. Outlook VBA may have changed over the years but to my eyes the VBA Editor has not. Whichever version you have you will see something like: Above there is a “+” against "Project1". If you hav...

HAML (HTML abstraction markup language) is a beautiful and elegant way to describe and design the HTML of your views. Instead of opening- and closing tags, HAML uses indentation for the structure of your pages. Basically, if something should be placed within another element, you just indent it by us...

All strings in Progress ABL are case sensitive unless specified otherwise. This example will display a message box saying that the strings are identical. DEFINE VARIABLE str1 AS CHARACTER NO-UNDO. DEFINE VARIABLE str2 AS CHARACTER NO-UNDO. str1 = "abc". str2 = "ABC". ...