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  • Conflating queues

    - by oo
    Are there any good examples of conflating queue in dotnet. I have thousands of messages per second coming in from another system and i wanted to see if this was the best solution and see some implementation examples

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  • How do I properly use LINQ with MySQL?

    - by Arda Xi
    I've been looking this up on Google for hours, but I haven't found anything conclusive. So far, I've seen a few paid options, an option with NHibernate, but most are marked as unstable or in production. Is there a stable implementation of LINQ for MySQL?

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  • Help with rendering the Mandelbrot set in Java

    - by SDLFunTimes
    I wrote an implementation of the Mandelbrot set in Java using a JComponent but I'm getting strange results when I render it. Besides that everything compiles right. I'm just not for sure what I'm doing wrong with it. Any code review also would be appreciated. My source is posted on pastebin since it would take up too much room here: JMandelbrot.java Mandelbrat.java

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  • Check if a thread exists by it handle

    - by SaCi
    When I create a thread I save it handle in a list. After a time I want to check which of them still exists. I'm not looking for other kind of implementation, I want to know if is there some how to get a thread by it handle ?

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  • Use my own authentication in tomcat

    - by mabuzer
    how can I force tomcat to use my own implementation of Authenticator, and not the existing one like [FORM, BASIC, DIGEST,, etc]. I know if I added my authentication class name in org.apache.catalina.startup.Authenticators.properties it would work,,, any help please... I need an alternative for this...

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  • drupal jQuery 1.4 on specific pages

    - by Mark
    I'm looking for a way to force drupal to use 1.4 on specific pages. This is the same as this old question:http://stackoverflow.com/questions/2842792/drupal-jquery-1-4-on-specific-pages It look me a while to try the answer which I marked correct. But because I'm new to module dev overall I couldn't figure it out based on the answer. The code from that answer looked like this: /** * Implementation of hook_theme_registry_alter(). * Based on the jquery_update module. * * Make this page preprocess function runs *last*, * so that a theme can't call drupal_get_js(). */ function MYMODULE_theme_registry_alter(&$theme_registry) { if (isset($theme_registry['page'])) { // See if our preprocess function is loaded, if so remove it. if ($key = array_search('MYMODULE_preprocess_page', $theme_registry['page']['preprocess functions'])) { unset($theme_registry['page']['preprocess functions'][$key]); } // Now add it on at the end of the array so that it runs last. $theme_registry['page']['preprocess functions'][] = 'MYMODULE_preprocess_page'; } } /** * Implementation of moduleName_preprocess_hook(). * Based on the jquery_update module functions. * * Strips out JS and CSS for a path. */ function MYMODULE_preprocess_page(&$variables, $arg = 'my_page', $delta=0) { // I needed a one hit wonder. Can be altered to use function arguments // to increase it's flexibility. if(arg($delta) == $arg) { $scripts = drupal_add_js(); $css = drupal_add_css(); // Only do this for pages that have JavaScript on them. if (!empty($variables['scripts'])) { $path = drupal_get_path('module', 'admin_menu'); unset($scripts['module'][$path . '/admin_menu.js']); $variables['scripts'] = drupal_get_js('header', $scripts); } // Similar process for CSS but there are 2 Css realted variables. // $variables['css'] and $variables['styles'] are both used. if (!empty($variables['css'])) { $path = drupal_get_path('module', 'admin_menu'); unset($css['all']['module'][$path . '/admin_menu.css']); unset($css['all']['module'][$path . '/admin_menu.color.css']); $variables['styles'] = drupal_get_css($css); } } } I need the jquery_update 1.3.2 to be unset on the node-types of 'blog' and 'video'. Can someone help me out? Thank you.

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  • Implementing OAuth protocol in Java

    - by Wasim
    Hi all , I'm looking for an open source library that implements the OAuth protocol , I need the server side implementation . Say I have a Social network system , and I want to give my users an OAth abiliy to my API , like facebook. Do you have any suggestion , sure examples . Thanks in advance ...

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  • Programatically created UITableViewCell subclass only working on highlight

    - by squarefrog
    I've created a subclass of UITableViewCell but I'm struggling to get it to work properly. If I use UITableViewStyleDefault then the class only works when highlighted. If I use UITableViewStyleValue1 then it mostly works but I'm unable to change label fonts much. I tried researching but it seems everyone is doing this via a .xib file, but not programatically. Implementation file #import "ASCustomCellWithCount.h" @implementation ASCustomCellWithCount @synthesize primaryLabel,secondaryLabel,contentCountImage,contentCount; - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; if (self) { // Initialization code contentCountImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed: @"tableCount.png"] ]; primaryLabel = [[UILabel alloc] init]; primaryLabel.textAlignment = UITextAlignmentLeft; primaryLabel.textColor = [UIColor blackColor]; primaryLabel.font = [UIFont systemFontOfSize: 20]; primaryLabel.backgroundColor = [UIColor clearColor]; secondaryLabel = [[UILabel alloc] init]; secondaryLabel.textAlignment = UITextAlignmentLeft; secondaryLabel.textColor = [UIColor blackColor]; secondaryLabel.font = [UIFont systemFontOfSize: 8]; secondaryLabel.backgroundColor = [UIColor clearColor]; contentCount = [[UILabel alloc] init]; contentCount.textAlignment = UITextAlignmentCenter; contentCount.font = [UIFont boldSystemFontOfSize: 15]; contentCount.textColor = [UIColor whiteColor]; contentCount.shadowColor = [UIColor blackColor]; contentCount.shadowOffset = CGSizeMake(1, 1); contentCount.backgroundColor = [UIColor clearColor]; [self.contentView addSubview: contentCountImage]; [self.contentView addSubview: primaryLabel]; [self.contentView addSubview: secondaryLabel]; [self.contentView addSubview: contentCount]; } return self; } - (void)layoutSubviews { [super layoutSubviews]; CGRect contentRect = self.contentView.bounds; // CGFloat boundsX = contentRect.origin.x; primaryLabel.frame = CGRectMake(0 ,0, 200, 25); secondaryLabel.frame = CGRectMake(0, 30, 100, 15); contentCount.frame = CGRectMake(contentRect.size.width - 48, contentRect.size.height / 2 - 13, 36, 24); contentCountImage.frame = CGRectMake(contentRect.size.width - 48, contentRect.size.height / 2 - 12, 36, 24); } - (void)setSelected:(BOOL)selected animated:(BOOL)animated { [super setSelected:selected animated:animated]; // Configure the view for the selected state } - (void)dealloc { [primaryLabel release]; [secondaryLabel release]; [contentCountImage release]; [contentCount release]; } @end And then to create the cell I use - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; ASCustomCellWithCount *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[ASCustomCellWithCount alloc] initWithStyle: UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } cell.textLabel.text = [NSString stringWithFormat:@"%@", [tempArray objectAtIndex: indexPath.row]]; cell.contentCount.text = @"49"; return cell; }

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  • Prepending to a multi-gigabyte file.

    - by dafmetal
    What would be the most performant way to prepend a single character to a multi-gigabyte file (in my practical case, a 40GB file). There is no limitation on the implementation to do this. Meaning it can be through a tool, a shell script, a program in any programming language, ...

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  • UUID collision risk using different algorithms

    - by Diego Jancic
    Hi Guys, I have a database where 2 (or maybe 3 or 4) different applications are inserting information. The new information has IDs of the type GUID/UUID, but each application is using a different algorithm to generate the IDs. For example, one is using the NHibernate's "guid.comb", other is using the SQLServer's NEWID(), other might want to use .NET's Guid.NewGuid() implementation. Is there an above normal risk of ID collision or duplicates? Thanks!

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  • Java - PriorityQueue vs sorted LinkedList

    - by msr
    Hello, Which implementation is less "heavy": PriorityQueue or a sorted LinkedList (using a Comparator)? I want to have all the items sorted. The insertion will be very frequent and ocasionally I will have to run all the list to make some operations. Thank you!

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  • How fast should an interpreted language be today?

    - by Tarbal
    Is speed of the (main/only viable) implementation of an interpreted programming language a criteria today? What would be the optimal balance between speed and abstraction? Should scripting languages completely ignore all thoughts about performance and just follow the concepts of rapid development, readability, etc.? I'm asking this because I'm currently designing some experimental languages and interpreters

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  • Error message when compiling while-loop expected identifier

    - by Michael Amici
    When trying to compile an infinite while loop in xcode iphone view based application, it gives me an error that reads expected identifier or '(' before 'while'. I made it as simple as possible. #import "Lockerz_NotifierViewController.h" @implementation Lockerz_NotifierViewController while (1=1) { NSLog(@"Hello? PLEASE HELP ME!!!!!!!!!!"); }

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  • Is a Multi-DAL Approach the way to go here?

    - by Krisc
    Working on the data access / model layer in this little MVC2 project and trying to think things out to future projects. I have a database with some basic tables and I have classes in the model layer that represent them. I obviously need something to connect the two. The easiest is to provide some sort of 'provider' that can run operations on the database and return objects. But this is for a website that would potentially be used "a lot" (I know, very general) so I want to cache results from the data layer and keep the cache updated as new data is generated. This question deals with how best to approach this problem of dual DALS. One that returns cached data when possible and goes to the data layer when there is a cache miss. But more importantly, how to integrate the core provider (thing that goes into database) with the caching layer so that it too can rely on cached objects rather than creating new ones. Right now I have the following interfaces: IDataProvider is used to reach the database. It doesn't concern itself with the meaning of the objects it produces, but simply the way to produce them. interface IDataProvider{ // Select, Update, Create, et cetera access IEnumerable<Entry> GetEntries(); Entry GetEntryById(int id); } IDataManager is a layer that sits on top of the IDataProvider layer and manages the cache interface IDataManager : IDataProvider{ void ClearCache(); } Note that in practice the IDataManager implementation will have useful helper functions to add objects to their related cache stores. (In the future I may define other functions on the interface) I guess what I am looking for is the best way to approach a loop back from the IDataProvider implementations so that they can access the cache. Or a different approach entirely may be in order? I am not very interested in 3rd party products at the moment as I am interested in the design of these things much more than this specific implementation. Edit: I realize the title may be a bit misleading. I apologize for that... not sure what to call this question.

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  • Slide in/out event in N97 using J2me

    - by rajiv
    I would like to listen the slide IN/OUT event of the NOKIA devices(Touch + QWERTY Keyboard) in J2ME App. I need your inputs for the same. Do i need to follow complex implementation or is there any other way around?Will midpjni help?

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  • Small Command line scripter (like Autocad commands) one line editor

    - by Objectsberg
    Basically I don't know from where to start, I need to add a line script for my application that is not so complicated, just to execute pre-defined commands, for instance: command New Invoice -- create new invoice command customer profile -- open customer form where cust id = CustID command run End-Of-Day - run the end of day process command scr 1020 -- open form id = 1020 How can I start? I have no problem of recommending any third party components (parsers,evaluators,etc..). whats missing is the basic structure no details, just a theory for implementation. Thanks, Objectberg

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  • connection string through tcp/ip

    - by sreenath sreenath
    I had an issue can you suggest some idea , I remember we spoke aboutsomething around this issue Iam in head office Dubai I had developed my winform application with sql server here in my office .... Now its time for deployment but what the issue is before implementation it should be tested by the clients in Kenya.I cannot hold the expense of traveling to Kenya and setting up the server there i TRIED OF TEAMWEAVER bUT IT S HARD TO GO WITH IT , Is ther any idea for sharing my application via internet?? moreover like connection string through internet/tcp/ip

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  • MPI difference between Communicator and Group

    - by iamrohitbanga
    I have read the definitions of these terms and my interpretation is that there is a one to one relation between a group and a communicator. A group is a set of processes which wish to communicate with each other and a communicator is an implementation for a group. Is this correct? Why have two different terms if this is so?

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  • Design pattern for adding / removing elements

    - by de3
    Wikipedia's definition for Iterator pattern design: the Iterator pattern is a design pattern in which iterators are used to access the elements of an aggregate object sequentially without exposing its underlying implementation. Iterator interface in java provides the following methods hasNext() next() remove() Is there a pattern design, or a java interface for inserting / deleting elements, and getting length of the aggregate object, in addition to iterating them? I know remove() is an optional method that can be used once per call to next(), but I am implementing a circular FIFO array and need a method delete() independent of iterator's next().

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  • Spring MVC -> Wicket Integration

    - by Jeff
    Hey everyone, I'm working on porting part of an existing Spring MVC application over to Wicket. I used the wicket-spring library to get the initial integration working, but now I'm stuck with the best way to integrate my Spring Security implementation. I was wondering if anyone could give me some advice on the best way to handle this. Thanks in advance for the help.

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  • How to cache queries in EJB and return result efficient (performance POV)

    - by Maxym
    I use JBoss EJB 3.0 implementation (JBoss 4.2.3 server) At the beginning I created native query all the time using construction like Query query = entityManager.createNativeQuery("select * from _table_"); Of couse it is not that efficient, I performed some tests and found out that it really takes a lot of time... Then I found a better way to deal with it, to use annotation to define native queries: @NamedNativeQuery( name = "fetchData", value = "select * from _table_", resultClass=Entity.class ) and then just use it Query query = entityManager.createNamedQuery("fetchData"); the performance of code line above is two times better than where I started from, but still not that good as I expected... then I found that I can switch to Hibernate annotation for NamedNativeQuery (anyway, JBoss's implementation of EJB is based on Hibernate), and add one more thing: @NamedNativeQuery( name = "fetchData2", value = "select * from _table_", resultClass=Entity.class, readOnly=true) readOnly - marks whether the results are fetched in read-only mode or not. It sounds good, because at least in this case of mine I don't need to update data, I wanna just fetch it for report. When I started server to measure performance I noticed that query without readOnly=true (by default it is false) returns result with each iteration better and better, and at the same time another one (fetchData2) works like "stable" and with time difference between them is shorter and shorter, and after 5 iterations speed of both was almost the same... The questions are: 1) is there any other way to speed query using up? Seems that named queries should be prepared once, but I can't say it... In fact if to create query once and then just use it it would be better from performance point of view, but it is problematic to cache this object, because after creating query I can set parameters (when I use ":variable" in query), and it changes query object (isn't it?). well, is here any way to cache them? Or named query is the best option I can use? 2) any other approaches how to make results retrieveng faster. I mean, for instance I don't need those Entities to be attached, I won't update them, all I need is just fetch collection of data. Maybe readOnly is the only available way, so I can't speed it up, but who knows :) P.S. I don't ask about DB performance, all I need now is how not to create query all the time, so use it efficient, and to "allow" EJB to do less job with the same result concerning data returning.

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  • How to use Hessian in iphone?

    - by Shikhar
    Hello, Is there any one who can help me to understand how we can implement Hessian protocol in iPhone. I have Hessian kit, but its not that straightforward as I thought. Please help me, either by Hello World example or some link which explain Hessian implementation. Thanks Shikhar

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  • Ordered List of Keyvaluepairs?

    - by boris callens
    Is there an collection in .net that allows the storing KeyValuePair<string, string> that keeps the order of inserting? OrderedDictionary looked promising, but seems to be rather lacking. Now I'm looking into IOrderedEnumerable, but I can't seem to find any implementation except for ISortedDictionary, but that's not what I want. No sorting needs to be done, just the order of inserting is important.

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