I have an ArrayList that I want to use to hold RaceCar objects that extend the Thread class as soon as they are finished executing. A class, called Race, handles this ArrayList using a callback method that the RaceCar object calls when it is finished executing. The callback method, addFinisher(RaceCar finisher), adds the RaceCar object t...
hello friends, I have two databases at two different places, both databases are same with table name as well as fields. now I want to synchronise both database. Is there any java code or we can achieve that directly from mysql or sql ? How ? ...
I'm new to threads. I'm using a 3rd party library that uses threads which at times call a procedure I've provided. How do I update update a TLabel.Caption from my procedure when its called by the thread? If I've called InitializeCriticalSection elsewhere, is it as simple as EnterCriticalSection(CritSect); GlobalVariable := 'New ...
Hello, I am developing javascript XMPP application which uses Strophe library to connect to Jabber server. I need to engage the thread for about 5-10 seconds when Strophe connects to the server. Thread is engaged by running java applet and after it releases the thread it goes back to handle XMPP events, however at the moment I cannot man...
I'm trying to check out files from our CVS Repository (I have access, but I don't have repository admin access), but I'm running into an issue where certain sub-folders of the module in question aren't displaying their contents, and they are failing to do so consistently. That is, certain folders do display their contents, while others d...
Say are dealing with a Windows network that for internet access must pass through a firewall that you have no control over. Said firewall apparently blocks the known time protocols (NTP,daytime,etc) and you know from experience that those who control it will not allow any exceptions. Is it possible to sync this "Windows" (could be linu...
Hi, I'm working on a legacy Java 1.4 project, and I have a factory that instantiates a csv file parser as a singleton. In my csv file parser, however, I have a HashSet that will store objects created from each line of my CSV file. All that will be used by a web application, and users will be uploading CSV files, possibly concurrently. ...
My goal is to extend functionality of the current asset tracking system. Basically I would like to pull list of Clients and related assets from external system into sharepoint 2010. Then I would like to associate documents with each asset. My first intention is to create a list of folders where each folder would be named respectively....
Recently I attended a lecture concerning some design patterns: The following code had been displayed: public static Singleton getInstance() { if (instance == null) { synchronized(Singleton.class) { //1 Singleton inst = instance; //2 if (inst == null) { synchronized(Singleton.class) { //3 ...
I'm trying to write multithreading code and facing some synchronization questions. I know there are lots of posts here but I couldn't find anything that fits. I have a System.Timers.Timer that elapsed every 30 seconds it goes to the db and checks if there are any new jobs. If he finds one, he executes the job on the current thread (time...
The working code sample here synchronizes (single) selection in a TreeView, ListView, and ComboBox via the use of lambda expressions in a dictionary where the Key in the dictionary is a Control, and the Value of each Key is an Action<int>. Where I am stuck is that I am getting multiple repetitions of execution of the code that sets the ...
I am looking out for any solution in Selenium for timing issues. Is there any function or method (particularly in Ruby) that matches somthing like 'Synchronization method' in QTP? I have tried wait_for_frame and wait_for_element, but not able to make through with them. Any help would be great. ...
Hi, I have to create a .net web application which would run on more than one front end server which are load balanced. Now I have to use some third party api which is not thread safe so only one thread should call the API at a time so I have to use some syncronization machanism like lock or mutex which provide syncronisation within the p...
Hi. I'm synchronizing reader and writer processes on Linux. I have 0 or more process (the readers) that need to sleep until they are woken up, read a resource, go back to sleep and so on. Please note I don't know how many reader processes are up at any moment. I have one process (the writer) that writes on a resource, wakes up the reade...
Hello, I'm trying to use Sync Framework to synchronize user data between Active Directory and an application that provides a web service. I've created two FullEnumerationSimpleSyncProvider classes, one for Active Directory and one for the web service, and created a common data type and metadata columns that can be shared by both. Curren...
I know similar questions have been asked before. I'm using the Sync Demo app I found online here, which uses Picture Sharing as a guide. I've integrated it into my desktop and iphone apps and have the connection working, but am clueless as to how to actually sync my objects. Is it as simple as if ([iphone Object] != [desktop object])...
Hello, I have to design a data structure that is to be used in a multi-threaded environment. The basic API is simple: insert element, remove element, retrieve element, check that element exists. The structure's implementation uses implicit locking to guarantee the atomicity of a single API call. After i implemented this it became appare...
Working with Eclipse and SVN, how do I definitely remove a file from list to never synchronize it? ...
Hi guys, I just kind of confused as to why I can't get to sync all expected data in one sync session. When I try to sync to the central database through WCF services, I only get partial sync, then there are still some data left that were not synched. So I still need to resync. Is there an explanation why I can't get all expected data i...
I have an existing solution that includes Sync Services between an SQL2005 server and SQL/CE on a mobile device. The current implementation consists of additional columns in each of the server tables for date created and date updated (both datetime) supported by tombstone tables containing the primary key and a datetime to manage the de...