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• ways to program glitch style effects

  - by okkk

  Most tutorials for generating glitch art usually has to do with some form of manipulation of the compression of files. Should my goal instead to replicate the look of these glitches in shaders or is it somehow possible to authentically generate the compression artifacts in real time? Example: This effect which I'm particularly interested is referred to as datamoshing. It does "things" using the p-frames of a video (frames that I think store just the change in pixels). I feel like I need a better understanding of both graphics programming and data-compression.

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• multi-clients web application,should I use custom user controls or a common user control

  - by ValidfroM

  Say my company is going to build a complicated asp.net web form education system. One of the module is web based registration. To make it flexiable, we decide to use user control(ascx) with rule-engine (work flow) regulating all business logic behide them. Thus in future,for different clients, we can simply config basic existing rules or adding new rules.(Rules stored in db or XML per client). Now the question is how to deal with the user controls (ascx)? My opinion is for different client build diffrent user control from scratch. other voice is like reuse existing user controls.

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• Is it unwise to blacklist an IP address?

  - by hawbsl

  We have a form on a commercial website which has been abused (but only once or twice) by someone from a particular IP address. A colleague wants to blacklist that IP address from the website. Seems to me that's overkill, and that there's a risk that genuine customers sharing that same IP address would be blacklisted too. I suppose a big part of my question is how many people might be sharing that same IP address and could be affected by our blacklist. I suspect that's a "how long's a piece of string" question but some ballpark answer would be really helpful. We're in the UK if that's significant.

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• How can I configure updates in a CMS like WordPress?

  - by Varsha

  I have a CMS built in core PHP. Till now, if a new version is released, it is downloaded to client machine in zipped form. And then client has to manually unzip the folder and copy that to required location. Because there is no way to download zip file to required location. I want that CMS should be updated in the background like-WordPress. In other words, I want that new version can replace old version. How can I do this?

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• Is there a good design pattern for this messaging class?

  - by salonMonsters

  Is there a good design pattern for this? I want to create a messaging class. The class will be passed: the type of message (eg. signup, signup confirmation, password reminder etc) the client's id The class needs to then look up the client's messaging preferences in the db (whether they want communication by email, sms or both) Then depending on the client's preference it will format the message for the medium (short version for sms, long form for email) and send it through our mail or sms provider's API. Because the fact that we want to be able to change out email and sms providers if need be I wondered if the Command Pattern would be a good choice.

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• How do I organize a GUI application for passing around events and for setting up reads from a shared resource

  - by Savanni D'Gerinel

  My tools involved here are GTK and Haskell. My questions are probably pretty trivial for anyone who has done significant GUI work, but I've been off in the equivalent of CGI applications for my whole career. I'm building an application that displays tabular data, displays the same data in a graph form, and has an edit field for both entering new data and for editing existing data. After asking about sharing resources, I decided that all of the data involved will be stored in an MVar so that every component can just read the current state from the MVar. All of that works, but now it is time for me to rearrange the application so that it can be interactive. With that in mind, I have three widgets: a TextView (for editing), a TreeView (for displaying the data), and a DrawingArea (for displaying the data as a graph). I THINK I need to do two things, and the core of my question is, are these the right things, or is there a better way. Thing the first: All event handlers, those functions that will be called any time a redisplay is needed, need to be written at a high level and then passed into the function that actually constructs the widget to begin with. For instance: drawStatData :: DrawingArea -> MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO () createStatView :: (DrawingArea -> IO ()) -> IO VBox createUI :: MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO HBox createUI storeMVar field = do graphs <- createStatView (\area -> drawStatData area storeMVar field) hbox <- hBoxNew False 10 boxPackStart hbox graphs PackNatural 0 return hbox In this case, createStatView builds up a VBox that contains a DrawingArea to graph the data and potentially other widgets. It attaches drawStatData to the realize and exposeEvent events for the DrawingArea. I would do something similar for the TreeView, but I am not completely sure what since I have not yet done it and what I am thinking of would involve replacing the TreeModel every time the TreeView needs to be updated. My alternative to the above would be... drawStatData :: DrawingArea -> MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO () createStatView :: IO (VBox, DrawingArea) ... but in this case, I would arrange createUI like so: createUI :: MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO HBox createUI storeMVar field = do (graphbox, graph) <- createStatView (\area -> drawStatData area storeMVar field) hbox <- hBoxNew False 10 boxPackStart hbox graphs PackNatural 0 on graph realize (drawStatData graph storeMVar field) on graph exposeEvent (do liftIO $ drawStatData graph storeMVar field return ()) return hbox I'm not sure which is better, but that does lead me to... Thing the second: it will be necessary for me to rig up an event system so that various events can send signals all the way to my widgets. I'm going to need a mediator of some kind to pass events around and to translate application-semantic events to the actual events that my widgets respond to. Is it better for me to pass my addressable widgets up the call stack to the level where the mediator lives, or to pass the mediator down the call stack and have the widgets register directly with it? So, in summary, my two questions: 1) pass widgets up the call stack to a global mediator, or pass the global mediator down and have the widgets register themselves to it? 2) pass my redraw functions to the builders and have the builders attach the redraw functions to the constructed widgets, or pass the constructed widgets back and have a higher level attach the redraw functions (and potentially link some widgets together)? Okay, and... 3) Books or wikis about GUI application architecture, preferably coherent architectures where people aren't arguing about minute details? The application in its current form (displays data but does not write data or allow for much interaction) is available at https://bitbucket.org/savannidgerinel/fitness . You can run the application by going to the root directory and typing runhaskell -isrc src/Main.hs data/ or... cabal build dist/build/fitness/fitness data/ You may need to install libraries, but cabal should tell you which ones.

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• What could be a reason for cross-platform server applications developer to make his app work in multiple processes?

  - by Kabumbus

  So we consider a server app development - heavily loaded with messing with big data streams.An app will be running on one powerful server. a server app shall be developed in form of crossplatform application - so to work on Windows, Mac OS X and Linux. So same code many platforms for standing alone server architecture. We wonder what benefits does distributing applications not only over threads but over processes as wall would bring to programmers and to server end users and why? Some people sad to me that even having 48 cores, 4 process threads would be shared via OS throe all cores... is it true BTW?

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• Programmers Block ?? [closed]

  - by Robert Ventre

  Possible Duplicate: Is there such a thing as Programmer's block? Has anyone had writers block? Currently, I am trying to get back in to a development role but am struggling to develop any apps. I have a good understanding of VB and OOP. I developed last in the first version of .net studio and also foxpro 9. At the moment I have tried building a customer order app, the form and database have been straight forward but I'm struggling with the nuts and bolts of the application. Should it be a Web or Windows application? Should I use classes/modules? All advice is welcome.

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• Friday Spotlight: Oracle Secure Global Desktop and amitego VISULOX

  - by Chris Kawalek

  Happy Friday! Our spotlight this week is a screencast about a fantastic solution that takes the security model of Oracle Secure Global Desktop and adds even more features. If you work in environments where you need to have a video record of users' interactions with applications, or need to ensure that two users can remotely work on the same session (a worker entering data in a form from one workstation and a manager typing an authorization code from another, for example), amitego VISULOX can do this and a lot more. It's built on top of Oracle Secure Global Desktop, so you get all of the great features there, plus additional unique security related features provided by VISULOX. Click the thumbnail below to watch the screencast. We'll see you next week! -Chris 

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• Load InfoPath 2010 Forms & XSN Templates in .NET Web Applications

  Aspose.Form for .NET now provides full support for InfoPath 2010 controls. Now it is possible to load InfoPath 2010 forms and XSN Templates in .NET Web Applications. Following is the list of InfoPath 2010 controls that are fully supported. Text Box                                   Rich Text Box                          ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Open Source MariaDB, the MySQL fork to replace MySQL?

  - by Jenson

  Normal 0 false false false EN-GB X-NONE X-NONE MicrosoftInternetExplorer4 Frankly speaking, I’ve been out of touch with the Open source world for quite some time. Until recently, after I’ve joined the new government agency, I managed to do some research while given time to learn new technologies and languages. I started reading tech blogs and tech news again (since I’m not as busy as before where I need to rush for project deadlines in and out), and I spotted this MariaDB that really attracts my attention, this is the link to ZDNet article - http://www.zdnet.com/open-source-mariadb-a-mysql-fork-challenges-oracle-7000008311/ Open-Source MariaDB, a MySQL fork, challenges Oracle Yes, you’re right, MariaDB is a MySQL fork, and as mentioned in the article, MariaDB is run by the founder of MySQL, Michael ‘Monty’ Widenius, and he claims MariaDB is faster, more secure and has more features than MySQL. I’m actually very excited to know that the code is maintained by the same dedicated core team of MySQL in the past 18 years. They even bother to form a foundation, the MariaDB Foundation, to promote MariaDB. Already, there’s a lot of open source software officially supporting MariaDB, such as  Drupal, Jelastic – Java in the cloud, Kajona, MediaWiki, phpMyAdmin, Plone, SaltOs, WordPress, and Zend Framework. But the hosting service provider might not be readily supporting MariaDB in their hosting solution. Normal 0 false false false EN-GB X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-fareast-language:EN-US;} Time will tell whether MariaDB would be the real replacement for MySQL, I’m sorry I don’t think I should use alternative here ;-) For more information, please visit MariaDB official site. /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-fareast-language:EN-US;}

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• Oracle Coherence-Free Hands On Technical Workshop –July 11th 2013 London

  - by JuergenKress

  Oracle Coherence-Free Hands On Technical Workshop    WHEN                       WHERE              HOW TO REGISTER Thursday 11th of July 2013 9:30am- 4pm Oracle Corporation UK Ltd. One South Place, London EC2M 2RB Fill in the form at the bottom of this page For details and registration please visit the C2B2 website WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: C2B2,Coherence,Education,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• How to import mass accounts into iKode Newsletter Server?

  - by Brownsithily Smith

  I have sent out emails to my 6.2k subscribers through iKode Newsletter Server. And about 50 to be considered as spam. It is less than 1%. It is amazing! The web based email marketing software of iKode also provides double opt-in subscription form which is effective to target special audience. However, if I want to import mailing list to this software, I need to add the address one by one, which is a waste of time. Does iKode provides mass account import ability? Or just need to upload a mailing list file?

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• How do you organize your projects?

  - by Sergio

  Do you have any particular style of organizing projects? For example, currently I'm creating a project for a couple of schools here in Bolivia, this is how I organized it: TutoMentor (Solution) TutoMentor.UI (Winforms project) TutoMentor.Data (Class library project) How exactly do you organize your project? Do you have an example of something you organized and are proud of? Can you share a screenshot of the Solution pane? In the UI area of my application, I'm having trouble deciding on a good schema to organize different forms and where they belong. Edit: What about organizing different forms in the .UI project? Where/how should I group different form? Putting them all in root level of the project is a bad idea.

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• How to remove permanently those error prompts while using openbox gnome?

  - by YumYumYum

  How to remove permanently those error prompts while using openbox gnome? Such as: update ubuntu latest release, this kind of errors etc, how to permanently disable them so that it does not show in front of my presentation. Follow up: a) How do i kill that screen shot error box? $ cat /etc/default/whoopsie [General] report_crashes=false $ apport-cli *** Send problem report to the developers? After the problem report has been sent, please fill out the form in the automatically opened web browser. What would you like to do? Your options are: S: Send report (69.7 KB) V: View report K: Keep report file for sending later or copying to somewhere else I: Cancel and ignore future crashes of this program version C: Cancel Please choose (S/V/K/I/C): I b) How do i kill that update notification dialog box? $/etc/xdg/autostart# vim update-notifier.desktop #NoDisplay=true NoDisplay=false :wq $ cat update-notifier.desktop | grep NoDisplay NoDisplay=false No more disturbing popup's now.

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• Best Option for Creating A Small Church Website

  - by Jim

  I've been asked to create a website for a small church. Their prior site was hosted on geocities which is no longer. They are not looking for anything robust, just an informational site with a calendar and maybe a contact form. The church would also like to be able to administer the site with little technical know-how. Cost is also an issue. Given these requirements, something like sites.google.com seems like a good option. However, my main concern is that Sites will suffer the same fate as geocities. It is definitely not a flagship Google product. Are there other good alternatives that fit the requirements?

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• Google Maps API: Premier License or excess map loads?

  - by j0nes

  I am currently looking for a way on how to deal with the Google Maps API usage limits. I am planning a redesign of our page that will probably get around 2 million map loads per month. This will surely break the usage limit of 750000 map loads per month available in the free version. If we pay for excess map loads, this means we would have to pay 5000$ per month. The other option would be to use a Premier license, however there is very few information available on the usage limits for this and the price. I have filled the request form to get a custom offer from Google, but I did not get any response yet. Can anyone of the Premier license holders tell me which option will be cheaper for my usage pattern, paying for Premier license or paying for excess map loads?

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• Google I/O 2010 - GWT + HTML5 can do what?!

  Google I/O 2010 - GWT + HTML5 can do what?! Google I/O 2010 - GWT + HTML5 can do what?! GWT 201 Joel Webber, Ray Cromwell, Stefan Haustein How can you take advantage of new HTML5 features in your GWT applications? In this session, we answer that question in the form of demos -- lots and lots of demos. We'll cover examples of how to use Canvas for advanced graphics, CSS3 features, Web Workers, and more within your GWT applications. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 8 1 ratings Time: 57:59 More in Science & Technology

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• Add References with Search

  - by Daniel Cazzulino

  If you have been using VS2010 for any significant amount of time, you surely came across the awkward, slow and hard to use Add Reference dialog. Despite some (apparent) improvements over the VS2008 behavior, in its current form it's even LESS usable than before. A brief non-exhaustive summary of the typical grief with this dialog is: Scrolling a list of *hundreds* of entries? (300+ typically) No partial matching when typing: yes, you can type in the list to get to the desired entry, but the matching is performed in an exact manner, from the beginning of the assembly name. So, to get to the (say) "Microsoft.VisualStudio.Settings" assembly, you actually have to type the first two segments in their entirety before starting to type "Settings"....Read full article

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• Continuous Collision Detection Techniques

  - by Griffin

  I know there are quite a few continuous collision detection algorithms out there , but I can't find a list or summary of different 2D techniques; only tutorials on specific algorithms. What techniques are out there for calculating when different 2D bodies will collide and what are the advantages / disadvantages of each? I say techniques and not algorithms because I have not yet decided on how I will store different polygons which might be concave or even have holes. I plan to make a decision on this based on what the algorithm requires (for instance if an algorithm breaks down a polygon into triangles or convex shapes I will simply store the polygon data in this form).

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• Website falsely blocked because of spam. Does anyone know how we should proceed?

  - by Thomas Crepain

  I'm responsible for ICT at FOS Open Scouting, a belgian scouting organisation. Our website was hacked a few years back and blocked by Facebook as a result. After we regained control over the site Facebook continued to block our domain and this is causing us a number of problems. We have tried many times in the past year to contact Facebook using their 'I am blocked from adding content' form (https://www.facebook.com/help/contact.php?show_form=block_appeal) to no avail. The blocked URLs are: http://www.fos.be and http://www.fosopenscouting.be Does anyone know how we should/could proceed?

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• Reach More Customers - Partner Event Publishing System Now Available!

  - by swalker

  The Partner Event Publishing Service is now available to partners that have completed at least one Specialization. If you are an active Gold, Platinum or Diamond OPN member having accomplished at least one Specialization then you can start publishing your standalone live events today, including both in-person and webinar activities. Events are published on both Oracle.com/events and on Oracle’s internal calendar. You benefit by reaching new potential customers and creating more brand awareness.  Reach more customers by publishing Partner led events on Oracle.com/events by filling out a simple spreadsheet and submitting them to [email protected]. Click here for more information, and click here to download the Partner Event Publishing Form spreadsheet.

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• Shouldn't we count characters of code and comments instead of lines of code and comments? [closed]

  - by Gabriel

  Counting lines of code and comments is sometimes bogus, since most of what we write may be written in one or more lines, depending column count limitations, screen size, style and so forth. Since the commonly used languages (say C, C++, C# and Java) are free-form, wouldn't it be more clever to count characters instead? Edit: I'm not considering LOC-oriented programming where coders try to artificially match requirements by adding irrelevant comments or using multiple lines where less would be enough (or the opposite). I'm interested in better metrics that would be independent of coding style, to be used by honest programmers.

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• What alternatives exist of how an agent can follow the path calculated by a path-finding algorithm?

  - by momboco

  What alternatives exist of how an agent can follow the path calculated by a path-finding algorithm? I've seen that the most easy form is go to one point and when the agent has reached this point, discard it and go to the next point. I think that this approach has problems when the game has physics with dynamic objects that can block the travel between point A and point B, then the agent is taken from his original trayectory and sometimes go to the last destiny point is not the most natural behavior. In the literature always I have read that the path is only a suggestion of where the agent has to go, but I don't know how this suggested path must be followed. Thanks.

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• How do I implement Unreal-like object serialization?

  - by MrWiggels

  Recently, I've been working on the core of my engine, and as I'm moving forward I find myself developing throwaway code to read files and simple data into the engine. This got me thinking about how I should implement a file management system. After a bit of googleing I came across the Unreal Package format, and boy does it look like the perfect one. I think it's good because the way how it allows you to separate different assets into different packages and allow something like a level to reference the different packages. I was just wondering, is this possible with C#? Because the built-in serialization API in .NET does not seem to support any form of this, only reading and writing to a single file.

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