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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
... Data Modeler → Import → Data Dictionary.
Select a DB connection (add one if none).
Click Next.
Check one or more schema names.
Click Next.
Check one or more objects to import.
Click Next.
Click Finish.
The ERD is displayed.
Export the diagram as follows:
Click File → Data Modeler → Pri...
How to find the lowest common ancestor of two nodes in any binary tree?
...ooking for the first element where the list differ, or the last element of one of the lists, whichever comes first.
This algorithm requires O(h) time where h is the height of the tree. In the worst case O(h) is equivalent to O(n), but if the tree is balanced, that is only O(log(n)). It also require...
What is your naming convention for stored procedures? [closed]
...pecially if there are a large amount of sprocs.
Regarding where more than one object is used, I find that most instances have a primary and secondary object, so the primary object is used in the normal instance, and the secondary is refered to in the process section, for example App_Product_AddAttr...
Intersection of two lists in Bash
...ts found in two lists. To simplify, let's use ls as an example. Imagine "one" and "two" are directories.
6 Answers
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One-liner to recursively list directories in Ruby?
What is the fastest, most optimized, one-liner way to get an array of the directories (excluding files) in Ruby?
9 Answer...
What is the difference between IEnumerator and IEnumerable? [duplicate]
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IEnumerable is an interface that defines one method GetEnumerator which returns an IEnumerator interface, this in turn allows readonly access to a collection. A collection that implements IEnumerable can be used with a foreach statement.
Definition
IEnumerable
p...
When to delete branches in Git?
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One of my reasons to wanting to delete branches is:We do a lot of changes in branches (actually, all changes) so eventually you get a long list when using the command 'git branch'. For the overview, I want to shorten that lis...
Multiple Models in a single django ModelForm?
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You can just show both forms in the template inside of one <form> html element. Then just process the forms separately in the view. You'll still be able to use form.save() and not have to process db loading and saving yourself.
In this case you shouldn't need it, but if yo...
How to filter a dictionary according to an arbitrary condition function?
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@Datanovice I'm sure one could. One could also open a new question with sufficient detail to get a more useful answer ;)
– Thomas
May 2 '18 at 14:09
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Compiled vs. Interpreted Languages
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A compiled language is one where the program, once compiled, is expressed in the instructions of the target machine. For example, an addition "+" operation in your source code could be translated directly to the "ADD" instruction in machine code.
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