parent-child

I have a view controller that when I press a button a child view controller appear. This works perfectly but I want to change this child view controller for other one if I press the button next that is inside of this to do like two step login. Any idea? Because from the main view controller I know how show a child but from the child I don't know how to do it. If using storyboards, you can create your own child replace segue, e.g.: ReplaceSegue.h @interface ReplaceSegue : UIStoryboardSegue @end ReplaceSegue.m @implementation ReplaceSegue - (void)perform { UIViewController *source = self

How do I write my query to translate a table with parent / child hierarchy into a table with my hierarchy levels in separate columns? I have a table in SQL Server (from SAP without any changes made I believe) that gives me the structure of groups containing my profit centers. The structure of the table is a classic parent child hierarchy as shown below. Parent | Child --------+-------- S-1 | S-11 S-1 | S-12 S-1 | S-13 S-1 | S-14 S-1 | S-15 S-11 | S-111 S-11 | S-112 .. | .. S-152 | S-1521 S-152 | S-1522 S-1522 | S-15221 I want to write a query that gives me a table where I for each group can

I want the children of the div fill its width. now am using a code like this: .parent { width: 100%; display: inline-block; height: 120px; background: #000; padding: 10px; box-sizing: border-box; } .child { display: inline-block; margin-left: 1%; width: 31.4%; height: 100px; background: #ddd; } <div class="parent"> <div class="child"></div> <div class="child"></div> <div class="child"></div> </div> and it's working for 3 boxes , but what I want is that - Even if the box count is one or two i want them to fill the parent width. I want to achieve this using only CSS . You can achieve this using

Is it legal to have children of an anchor tag in HTML? For an example: <a> <font>Example</font> <img src="example.jpg"/> </a> It works fine in the browsers.But is it valid? Please help Yes - even more so with the advent of HTML 5 (From the spec) : Although previous versions of HTML restricted the a element to only containing phrasing content (essentially, what was in previous versions referred to as “inline” content), the a element is now transparent; that is, an instance of the a element is now allowed to also contain flow content (essentially, what was in previous versions referred to as

I am developing a content management system and I have run into an issue with child-parent relationships of items in the CMS. Basically I have a system that can create pages and when a page is created you can select a parent page for sub-navigation. This is all fine and dandy until I try to generate the navigation from the DB. I'm not sure if some sort of join would be better but I prefer to get all the data in an array and manipulate the array with php. My array of results from the DB is like this: Array ( [0] => Array ( [id] => 27 [name] => home [link] => home.html [parent] => 0 ) [1] =>