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alexk

alexk

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15 posts •

Strong Typed Rows in the DataAbstract for Cocoa

Challenge In DataAbstract for Cocoa, you can retrieve the values for a particular table field using the KVC approach, where the field name is passed as a string key: DADataTableRow *row =[[self table]

  • alexk
    alexk
3 min read

Using DataAbstract and RemObject SDK for Cocoa libraries in Swift

As you probably already know, Apple recently announced a new programming language called Swift, a new and fresh look at programming for the Mac. The main and obvious purpose of Swift is to

  • alexk
    alexk
2 min read

Data Abstract Sample for Oxygene for Cocoa

Hi guys, Recently I’ve spotted a question about Nougat samples in the support thread. Unfortunately, we didn’t offer any sample applications at that time, so I’ve tried to quickly compose

  • alexk
    alexk
7 min read

Data Abstract for Cocoa: New methods for adding rows

In the last release we have introduced two new methods in the DADataTable which allows adding new row with data in one go The first one is public -addNewRowWithDataFromDictionary:inEditMode: It returns new

  • alexk
    alexk
2 min read

New features in Schema Modeler 7

As you might know, we are switching to the new Schema Modeler tool in our Data Abstract products. We wanted to make it better, handier and up-to-date with the latest conceptions introduced in

  • alexk
    alexk
4 min read

Showing hierarchical data in the NSOutlineView

Today I want to talk about representing hierarchical data in a Mac application. Cocoa offers the nice UI control NSOutlineView for this. As the hierarchical data we can use a Data Abstract Schema

  • alexk
    alexk
5 min read

Using Remote Commands with Data Abstract for Xcode

Recently, we have added some new functionality to the DARemoteDataAdapter for working with Data Abstract Commands. Let me briefly refresh your memory about what Commands are and when they can be helpful. Data

  • alexk
    alexk
2 min read

Updating Data in iOS Client Applications

As promised earlier, I’m going to tell you how to change data in an iOS application and apply changes to the DA Server. As client application we will use the iOS Relativity

  • alexk
    alexk
8 min read

Creating a Simple iOS Client for Relativity Server

Today I want to talk about how to create a simple iPhone client application for Relativity server using the DataAbstract for Xcode templates. Though the focus will be on Xcode 4, the same

  • alexk
    alexk
10 min read

Changes in the Data Abstract Samples Suite

Before the next upcoming release, I would like to highlight several changes concerning our Data Abstract samples suite. Provided sample domain with the Relativity Server: With the next release, we will provide Relativity

  • alexk
    alexk
2 min read

Grouping in DA LINQ

I would like to give you a preview of the next release of DataAbstract for .NET, which will provide grouping support in DA LINQ (and in DA SQL as well). You will be

  • alexk
    alexk
2 min read

Using DAArrayDataSource

One of the most popular UI controls to represent tabular data is the NSTableView. And today I want to talk about binding RemObjects Data Abstract tables to the NSTableView. As you might know,

  • alexk
    alexk
3 min read

Using Cocoa Bindings for binding DADataTable to NSTableView.

As you might know, Cocoa offers several ways for populating NSTableView with data. The first approach is to use the NSTableViewDataSource protocol, which we are applying widely in our samples. The second approach

  • alexk
    alexk
3 min read

Left Outer Joins in DA LINQ.

In terms of improving DA LINQ, I’m happy to announce that i have just committed improved support for the LEFT OUTER JOIN in the next release of the Data Abstract for .NET.

  • alexk
    alexk
1 min read

Using NSPredicateEditor with DADataTable

Today I want to talk about NSPredicateEditor and how to use it with a DADataTable. What is NSPredicateEditor… Cocoa’s NSPredicateEditor class provides an excellent way to compose predicates at runtime. The main

  • alexk
    alexk
2 min read
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