bidirectional Questions
7
Solved
I have data that is organized in kind of a "key-key" format, rather than "key-value". It's like a HashMap, but I will need O(1) lookup in both directions. Is there a name for this type of data stru...
Critique asked 3/11, 2009 at 20:46
1
Solved
I am building a client Ruby library that connects to a server and waits for data, but also allows users to send data by calling a method.
The mechanism I use is to have a class that initializes a ...
Nadler asked 22/4, 2016 at 20:30
4
I did some research, and after reading this and this (and all the related questions) I still can't figure which is the proper way to update a many to many relationship in Symonfy 2 Doctrine. It fee...
Foliation asked 26/3, 2013 at 11:11
1
I have two entity classes: User class with a list of questions, and Question class with a User attribute
User class declaration:
@Entity
@Table(schema="test",name="so_user")
public class User ...
Cloven asked 1/10, 2013 at 6:5
3
Solved
I'm relatively new to Java and I have a question about what type of data structure would be best for my case. I have a set of data which are essentially key-value pairs, however each value may corr...
Melissamelisse asked 20/2, 2015 at 17:52
4
Solved
If I want to do bi-directional mapping, do I need to create two mapping?
Mapper.CreateMap<A, B>() and Mapper.CreateMap<B, A>()?
Stringent asked 13/3, 2010 at 16:17
2
I know that Guava has a BiMultimap class internally but didn't outsource the code. I need a data structure which is bi-directional, i.e. lookup by key and by value and also accepts duplicates.
i....
Andros asked 20/7, 2014 at 12:12
4
I just tried to bind a Integer and a String property. After some googling this should be possible with one of the two provided methods:
public static void bindBidirectional(Property stringPropert...
Osana asked 3/1, 2013 at 11:30
1
Solved
I'd like to write a program that emulates a device on a serial port. I'm trying to use pseudoterminals to accomplish this. I want one distinct process to control the master. This process acts as th...
Lithographer asked 4/5, 2014 at 17:46
5
Solved
I need a bidirectional Hash table in Ruby. For example:
h = {:abc => 123, :xyz => 789, :qaz => 789, :wsx => [888, 999]}
h.fetch(:xyz) # => 789
h.rfetch(123) # => abc
h.rfetch(789...
Abshire asked 3/8, 2011 at 12:13
4
Solved
The main question is already in the title: How do I advance the iterator of a standard map?
But since most people ask why I need this, I'll provide some more information:
I have a class which has ...
Laudanum asked 7/2, 2014 at 10:44
2
Bidirectional means the data incoming and outgoing data flows over the same channel (sockets), in classical socket it is the case. For example you want to connect to a server: you create a socket, ...
Cleavage asked 11/1, 2014 at 2:35
2
Solved
In HTML, the <bdo> tag is used to override the current text direction.
When i have a <div> tag, should i use <bdo> tag inside it?
<div><bdo dir="rtl">TEXT</bdo>...
Bowline asked 3/10, 2013 at 15:57
0
I am new to MongoDB. I am preparing an example for learning. It looks like when working with bi-directional relationship with Spring Data & DBRef, it gets into end-less cycle and keeps reading ...
Smoke asked 31/8, 2013 at 6:1
2
Solved
I have the case where I want to map an entity to a viewmodel and back. I have to specify the mapping explicitly with ForMember() because their properties do not share the exact same names. Here is ...
Hoot asked 21/11, 2012 at 9:49
1
Solved
I have entities User and GrantedRole that have a bidirectional one-to-many relation.
When I try to add a GrantedRole to the Set in User, there is no exception thrown, but when I debug the variable...
Superscribe asked 19/6, 2013 at 15:21
3
Solved
What would be the best way to implement a bi-directional map in clojure? (By bi-directional map, I mean an associative map which can provide both A->B and B->A access. So in effect, the values them...
Crescendo asked 25/7, 2009 at 22:27
1
Solved
Is it possible to do the following via an SSH tunnel...
Host-1 establishes an SSH connection to a Remote Server
I wish to log into the Remote Server and execute commands over SSH back on Ho...
Farrica asked 13/4, 2013 at 3:12
1
Solved
How do you use a Bidirectional BFS to find the shortest path? Let's say there is a 6x6 grid.
The start point is in (0,5) and the end point is in (4,1). What is the shortest path using bidirectional...
Eyesore asked 12/6, 2012 at 11:27
2
Solved
Does anyone know if some Java implementation of the JSON-RPC protocol exists with bidirectional support (there is no Client/Server, both entities can send and receive the same messages).
I know it...
Weatherspoon asked 29/6, 2011 at 9:26
1
Solved
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(L...
Blessington asked 9/7, 2011 at 8:36
4
I am trying to implement equals method for Java classes Book and Chapter in my application. Book has a set of Chapters, while a Chapter has an associated Book. The bidirectional association is show...
Microreader asked 26/5, 2011 at 18:34
2
Solved
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 "bidirectio...
Ellie asked 19/4, 2011 at 4:17
1
Solved
How does CouchDB handles conflicts while doing bi-directional replication?
For example:
Lets say there are two address book databases (in server A and B). There is a document for Jack which contai...
Submersible asked 9/4, 2010 at 8:0
2
Solved
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...
Delmerdelmor asked 28/12, 2009 at 19:11
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