diagram

问题 I'm supposed to create a sort of second brand website. When someone wants to sell a product, he has the option to sell it for: a set amount free to bid can anyone give me an assist on how to continue? This is what i have so far, but i'm stuck and don't know how to continue. (sorry for the use of native language, the entities are : member, seller (top one) buyer (bottom one) and products, in that order. any form of help is appreciated! 回答1: I really don’t know where your problem is but I would

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 6 years ago . A colleague is looking to generate UML class diagrams from heaps of Python source code. He's primarily interested in the inheritance

问题 Hi, I have recently started to learn system analysis and design and am having some trouble understanding domain model class diagram (DMCD) association class. As per image, when drawing the DMCD, I'd like to understand if an association class is allowed to contain attributes of the classes it derives from. The Invoice needs to contain the attributes apptNo and svcName. Association class inquiry image: Do I include the attributes as shown in the image? Or do I assume that the Invoice would

问题 Hi, I have recently started to learn system analysis and design and am having some trouble understanding domain model class diagram (DMCD) association class. As per image, when drawing the DMCD, I'd like to understand if an association class is allowed to contain attributes of the classes it derives from. The Invoice needs to contain the attributes apptNo and svcName. Association class inquiry image: Do I include the attributes as shown in the image? Or do I assume that the Invoice would

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . I have a couple of very long procs in Oracle 2000+ lines with lots of calls. And I'd like to generate program flow Diagram (algorithm) for better understanding of the process for further refactoring. It's not the code I wrote so I don't know the logic enough. What would you advise to do in this case? I tried to

问题 I have a .txt file contatning points which is look like following: ##x1 y1 x2 y2 123 567 798 900 788 900 87 89 .... I want to draw 2D diagram which link each pair in line of the .txt file using gnuplot. Edit1: I find this Draw points and lines in gnuplot, but I don't know how to use gnuplot in my case. Edit2: There is no limit for the diagram type. As I see here I could set terminal to png using following: set terminal png For line style I find this example here: set style line 1 lc rgb '

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . When I generate a Class Diagram using VS2008, say for a C# file XYZ.cs - I get a Class Diagram detailing all the Fields,Properties,Methods and Nested Types. Is there a tool/utility, which will do the same for all the internal Class/Interface references I have used within this file. For eg. I have a Property of

问题 Hey guys, I'm reviewing some questions but I can't really figure it out, i looked through the text book but i'm not sure where i can find answer... I know it would be quite hard to do memory diagrams w/o pictures but please bear with me. interface Lovable public void love(); class Foo implements Lovable public void love(); // something public int val() // return something1 public class Love public static void main(String args []) Foo foo = new Foo() foo.love() foo.love() int bar = =foo.val()

问题 A method performs successively validation checks with some passed data. If a validation check fails, a exception will be immediately thrown and the method aborted. How can visualize this flow with UML sequence diagrams? Is it possible / allowed to show exceptions in sequence diagrams? A possible solution perhaps is to use nested alternatives. 回答1: UML does not provide something specific to model exceptions. Look at http://www.uml-diagrams.org/sequence-diagrams-questions-answers.html However

问题 I have created an EER diagram (as shown in the image bellow) in MySQL Workbench and wanted to Forward Engineer to build the DB. After configuring the model options to the Target MySQL Version and removing the word "Visible" from all the Indexes in the SQL Code (the code goes in the bottom of this post), as it was triggering an error, I have came across a 1005 Error: Executing SQL script in server ERROR: Error 1005: Can't create table `books`.`books` (errno: 150 "Foreign key constraint is