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Questions tagged [bidirectional]

"Bidirectional" refers to any process or structure that works in two directions. Use the tag `bidi` for bidirectional text instead of this tag.

"Bidirectional" is a general concept and can have a lot of meanings:

  • bidirectional text, see
  • bidirectional associations of data
  • bidirectional synchronization
  • bidirectional mapping
  • bidirectional communication
  • bidirectional search algorithms

See also: https://en.wikipedia.org/wiki/Bidirectional

493 questions
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IPC between Python and C#

I want to pass data between a Python and a C# application in Windows (I want the channel to be bi-directional) In fact I wanna pass a struct containing data about a network packet that I've captured with C# (SharpPcap) to the Python app and then…
Mehdi Asgari
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Java key - key map

I need a kind of map which is accessible in two directions, so with a key-key structure instead of key-value. Does this exist in Java? If not, what is the best way to create it? So example: mySpecialHashMap.put("key1",…
Fortega
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Composite pattern with bidirectional association between Component and Composite

I have the problem mentioned in title of this post. By default, Composite Pattern has explicit implementation of Composite -> Component association. But I also need to implement association in reverse direction : Component -> Composite. In short,…
slomir
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Hibernate: bi-directional one-to-many with one as parent

I'm trying to setup a bi-directional one-to-many relationship with "one" as parent I have a parent: @Entity public class VideoOnDemand { @OneToMany(cascade = CascadeType.ALL) @LazyCollection(LazyCollectionOption.FALSE) @JoinColumn(name =…
weekens
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5
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2 answers

Prolog bidirectional predicate

I have to create family relations in Prolog for an assignment and I stumbled upon this problem. man(john). woman(lisa). married(john,lisa). ?- married(john,X). X = lisa. ?- married(X,john). false. How to make this predicate work in two ways? If…
Sava
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ICU Layout sample renders text differently than Microsoft Notepad and Word

I have a bidirectional text 1002 -ابو ماجد الانصاري Most editors notepad++, notepad etc. show the text as it is shown here. But when I get this text processed through ICU the number is shifted to the right then spaces and hyphen and then Arabic.…
MOE
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Bi-directional WCF Client-Server Communication

I have been working for weeks on creating a client/server to control a music-server application located on the server-side that is controlled by several client apps located across the LAN. I've been successful in getting the client-side to…
Bill
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Gae Jdo persistance on one-to-many owned relationship with bidirectional navigation

I'm trying to persist a one-to-many owned relationship with bidirectional navigation in GAE using JDO. I manually add the Contact to User class, and I would expect that in the end the Contact will have a reference to the parent User object. If I…
raisercostin
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How can I create a multilingual android application for right to left languages?

I have read How can I create a multilingual android application? and Do android support multiple languages? and I know about creating an android application with multiple languages. But my problem is about showing right-to-left and left-to-right…
Bob
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Hibernate OneToMany bi-directional relation is slow

I have Sessions and Users classes with following bi-directional OneToManymapping(generated with hibernate reverse engineering tool): public class Users { @OneToMany(fetch=FetchType.LAZY, mappedBy="users") public Set getSessionses()…
Oleksandr.Bezhan
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Why is it necessary to distinguish one side of a bidirectional relationship in orm as an owning side?

In a one-to-many relationship usualy the field annotated with @ManyToOne is the owner - the other side has 'mappedBy' attribute. However if I skip the 'mappedBy' and annotate both sides with @JoinColumn (same column) I can update both sides -…
user1720310
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Can an EJB server side send an event to an EJB client side?

I wonder if it is possible to do something along these lines: 1) Server side (EJB class) @Statefull public class SomeEJB implements SomeEJBRemote { @Resource private SessionContext sessionContext; //(...) public void someMethod(Record record){ …
Luis Soeiro
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Is there a way to use Guava's HashBiMap with eviction?

I'm working with an enterprise level Java back end application and I need to build in token based user authentication. The front end utilizes PHP and communicates with the Java back end via SOAP. I thought about using Guava's HashBiMap to help me…
Mark Bouchard
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2 answers

R reciprocal edges in igraph in R

I am working with graphs in R. I am currently using igraph and I would like to be able to plot bidirectional edges "reciprocal edges" of a graph. So far I've seen it is possible to plot "bidirectional" graphs but not reciprocal edges, for example:…
megyn
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How do I make sure that a message was received in gRPC bidirectional streaming?

How do I know that the message I am sending through an gRPC stream was received on the other end? Is there a build in way to do that in gRPC bidirectional streaming or do I need to just use streaming and then send a response back? Proto…
Hugo
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