Java, parent static method returning child type
I’m new to java and Generics so please bear with me. I don’t even know if this is possible. I’ve looked around and although there seem to be a few posts about this here and there I haven’t found one...
View ArticleParent-child relationship set to member variables in Qt
I was reading Qt Documentation here. I found the following sentence under the title ‘Thread Affinity’. Note: A QObject’s member variables do not automatically become its children. The parent-child...
View ArticleOpenSubDiv: get parent-child face relation
In OpenSubDiv, how can one get all the children-interior faces given a face index of the control mesh? I see that I could go the other way around from child to parent using...
View ArticleHow to order rows by hierarchy
I have table with hierarchical, parent-child relations and want to order it by that hierarchy. Table is: id|parent|type -------------- 1 |0 |1 2 |0 |1 3 |0 |1 4 |0 |2 5 |0 |2 6 |2 |2 7 |3 |2 And as...
View ArticleParsing file into Parent/ Child format for a JSON file
I would like some help/ advice on how to parse this file for Gene ontology (.obo) I am working to create a visualisation in D3, and need to create a “tree” file, in the JSON format – { "name": "flare",...
View ArticleSQL display parent-child relationship in one table
I have a table called result_seq which has 3 columns STEP_ID, STEP_PARENT (id of parent) and STEP_NAME. I have to display both parent name and child name and the name is in the STEP_NAME column. Such...
View ArticleHow can I compile two layers of a hierarchy (parent-child) in separate...
I have the following classes. class A { virtual void foo() = 0; } class B: public A { void foo() {} } I need to compile two libraries, one for A and another for B. The post How can I compile two layers...
View ArticleSQL: querying multi-level hierarchical tables
I’m currently trying to create a multi-level structure from different tables There are many steps for a test. The underlying relationship is: parent sequence AA 1.1 child sequence BB 1.1.1 Step CC...
View ArticleSwitching a Database Value
I have a website with URL’s based on scientific names. For example, if the value ‘Canidae’ is in my database, then my site will display a page at MySite/canidae. There are a few scientific names that...
View ArticleSpring boot hibernate: cannot delete child object separately
I have a simple setup with two objects, Event and Task which are linked as parent-child and a default JPA repository for some CRUD operations. I made a test where I attach 2 Tasks to an Event, and then...
View Article
