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• Design difficulty for multiple panel forms [closed]

  - by petre

  I have form that consists of multiple panel on the right, a treeview on the left and a terminal richtextbox on the bottom. When i click on a node of the treeview i bring up the panel that is attached with the node. For example i have 10 nodes on the treeview, i have 10 panels that are attached to this nodes. On every panel, i have many textboxes, labels, comboboxes etc. I don't dynamically construct and dispose the items on the panels, i create the items in the designer file of the project. In that case, there is a problem. I really find it difficult to align or place items on the panel because there seems a lot of aligning lines on the screen. What should be done to make the design of the panels easy? I don't want to construct items dynamically. Do i have to do that dynamically or is there a design procedure that make this process easy?

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• How do you verify that your prototype/application meets the requirements?

  - by Roflcoptr

  Recently I wrote an small prototype that uses some relatively new technology. Now I wanted to verify if this prototype is usefull and could be used in real world example. But now I have a problem, how can I do that? Normally, it would be a good thing to compare the prototype with already existing similar applications and compare if you perform better, provide better usability, etc. Since I'm not aware of something similar, this is quite difficult Normally, I would see if the requirements of the customers are met. But there aren't any real requirements and no real customers. It as just an idea. So the problem is, how can I get feedback on my prototype to see how it is accepted by potential users and what should be improved in a real implementation?

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• How important is index size when searching?

  - by Michael K

  My company has recently began using Apache Solr to search its data. As we learn how to use it we have gone down the path of indexing multiple fields to get the results we need. Most of these are either N-Grammed or Edge-N-Grammed. Gramming by nature takes up a lot of space, which takes more time to search. Space is cheap, but time is less so. Index time is not too important, since a delta-import (only get the changes since last index) is extremely quick and you only pay a penalty on the first import. What we've not been able to determine is what effect the index size has on query times. Obviously a larger index takes longer to search, but the time added by n-gramming a field is difficult to predict. How do you determine whether a field is worth gramming? Can you predict how much longer a query will take when you gram a field?

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• Resources for learning how to better read code

  - by rsteckly

  Hi, I recently inherited a large codebase and am having to read it. The thing is, I've usually been the dev starting a project. As a result, I don't have a lot of experience reading code. My reaction to having to read a lot of code is, well, umm to rewrite it. But I need to bring myself up to speed quickly and build on top of an existing system. Do other people have techniques they've learned to absorb a code base? At this point, I'm just reading through the code. I've tried generating UML diagrams using UModel. They're so big they won't print cleanly and when I zoom in, I really do lose the perspective of seeing all the relationships. How have other people dealt with this problem?

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• Why does Google append while(1); in front of their JSON responses?

  - by Andrew Koester

  This is something I've always been curious about, is exactly why Google appends while(1); in front of their (private) JSON responses. For example, here's a response while turning a calendar on and off in Google Calendar: while(1);[['u',[['smsSentFlag','false'],['hideInvitations','false'],['remindOnRespondedEventsOnly','true'],['hideInvitations_remindOnRespondedEventsOnly','false_true'],['Calendar ID stripped for privacy','false'],['smsVerifiedFlag','true']]]] I would assume this is to prevent people from doing an eval() on it, but all you'd really have to do is replace the while and then you'd be set. I would assume eval prevention is to make sure people write safe JSON parsing code. I've seen this used in a couple other places, too, but a lot more so with Google (Mail, Calendar, Contacts, etc.) Strangely enough, Google Docs starts with &&&START&&& instead, and Google Contacts seems to start with while(1); &&&START&&&. Does anyone know what's going on here?

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• Free Pluralsight Videos for this week

  - by TATWORTH

  Pluralsight have issued two free videoshttp://blog.pluralsight.com/2012/09/05/video-end-the-global-pollution-crisis-in-javascript/http://blog.pluralsight.com/2012/08/31/video-fake-it-until-you-make-it-with-fakeiteasy/Their exact words were: Free Videos this Week End the Global Pollution Crisis... In Javascript Too many globally scoped variables and functions can make Javascript code difficult to work with, particularly on large projects. See how to simulate the concept of namespaces using objects. Fake it Until You Make It with FakeItEasy FakeItEasy is a .NET framework for easily creating mock objects in tests. See how easy it is to FakeItEasy with complex nested hierarchies.

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• Switching domains in one's career?

  - by rocknroll

  I have been a C++,Qt programmer for the last 3.5 years and have hit a plateau in terms of doing something new. Work has been repetitive and routine. I personally believe it is time to move on but off late I am getting more offers in mobile development like Android,Iphone etc. The latest offer I have is for objective-C based profile. I do not have the slightest idea about objective-C apart from that it is Object oriented C resembling C++ but not exactly a clone. Questions in my mind are --what are the pros/cons of this careers switch or for any such switch? --Is it good for one's career to change domains after sometime? --How difficult it is to get back to one's previous area of proficiency? Thanks

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• how to run generate ajaxful_rating on Rails 3.0.9?

  - by user28931

  on Windows 7, i want to use gem ajaxful_rating to rate my topic in a website in Rails app. i can install this gem successfully by gem install ajaxful_rating refering to https://github.com/edgarjs/ajaxful-rating. the sample, script/generate ajaxful_rating user. i searched script/generate is available on Rails 2.x. but now i used Rails 3.0. It's somewhat difficult. i don't know how to generate. Does someone know it? or which rating gem do you use in Rails 3.0.x? thanks in advance.

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• Getting software development Jobs oversees [on hold]

  - by Mario Dennis

  I live in Jamaica and I am currently pursuing a Bsc. in Computer Information Science. I have worked on a few projects and have learn Struts 2, Play Framework, Spring, Mockito, JUnit, Backbone.js etc in my spear time. I have also learn about SOLID and DRY software development as well as architecting software system using Service Oriented Architecture and N-tier Architecture. What I want to know is given all of this can I get a job oversees before completing a degree, how difficult will it be, and what is the best way to go about doing it?

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• Error 3032 during EF 4.0 validation

  - by Mohammadreza

  Hi guys. I have a table that has a column called "rowguid" with default value of newguid(). After I delete the generated property in the Entity Framework 4.0 designer, whenever I try to build or validate the model I receive the following error message. Error 3023: Problem in mapping fragments starting at line 1460:Column People.rowguid in table People must be mapped: It has no default value and is not nullable. It's an obvious error message but the problem is that the column HAS default value. Does anyone knows what the problem is? Thanks.

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• embed excel sheet on webpage

  - by cometta

  is there any javasceript/flash that allow embedding excel sheet on webpage and people that do not have microsoft excel able to view it?

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• Swapping out web services

  - by zachary

  I created a gui in .net that I want other people to use. It connects to my custom database via a web service and returns data. Now I want other people to use it. They tell me that they want to use their own database. How can I let them plug their database results into my gui? It is almost as though I want to repoint to their web service somehow.... My gui is in .net but they could be using any language even java

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• Blog: Search results prefer index page over content pages.

  - by jonescb

  I have a typical blog that has recent posts on the main page, and each post's title links to a page that only shows that one article and comments and such. I was looking through some of the keywords used to get to my site and I was noticing that some of the searches would only show my main page, and not the page for the article. If users have to find the article by scrolling through the main page, it just makes it more difficult. Is there some way that I can tell search engines to rank the content page higher than my index page? Or can I do something else like not display the full text of the posts on the main page?

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• I'm searching for a messaging platform (like XMPP) that allows tight integration with a web applicat

  - by loxs

  Hi, At the company I work for, we are building a cluster of web applications for collaboration. Things like accounting, billing, CRM etc. We are using a RESTfull technique: For database we use CouchDB Different applications communicate with one another and with the database via http. Besides, we have a single sign on solution, so that when you login in one application, you are automatically logged to the other. For all apps we use Python (Pylons). Now we need to add instant messaging to the stack. We need to support both web and desktop clients. But just being able to chat is not enough. We need to be able to achieve all of the following (and more similar things). When somebody gets assigned to a task, they must receive a message. I guess this is possible with some system daemon. There must be an option to automatically group people in groups by lots of different properties. For example, there must be groups divided both by geographical location, by company division, by job type (all the programers from different cities and different company divisions must form a group), so that one can send mass messages to a group of choice. Rooms should be automatically created and destroyed. For example when several people visit the same invoice, a room for them must be automatically created (and they must auto-join). And when all leave the invoice, the room must be destroyed. Authentication and authorization from our applications. I can implement this using custom solutions like hookbox http://hookbox.org/docs/intro.html but then I'll have lots of problems in supporting desktop clients. I have no former experience with instant messaging. I've been reading about this lately. I've been looking mostly at things like ejabberd. But it has been a hard time and I can't find whether what I want is possible at all. So I'd be happy if people with experience in this field could help me with some advice, articles, tales of what is possible etc.

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• DIY Touch Screen Mod Makes Regular Gloves Smartphone-friendly

  - by Jason Fitzpatrick

  Smartphone-friendly winter gloves are expensive (and often ugly). Skip shelling out for store-bought gloves when, armed with a needle and thread, you can turn any gloves into smartphone-friendly ones. Over at Popular Science, Taylor Kubota shares the simple trick: 1. Order silver-plated nylon thread (silver conducts electricity). This can be difficult to find in stores, but major online retailers carry it. 2. Pick a pair of gloves to modify. Although leather works, it’s harder to push a needle through. 3. Stitch the figure of a star or other solid shape onto the glove’s index finger with the thread, making sure it will contact both the touchscreen and your skin. Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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• Sites with overlapping code-bases. Developing multiple sites with little changes

  - by Web Developer

  I have to develop 3 different sites video.com for hosting video audio.com for hosting audio docs.com for hosting docs. domain names for example only Almost 80% of the functionality is the same for all the three, with remaining 20% being completely different features... How do I handle this? How does sites like SO handle this? I am developing this in YII framework and was thinking of having these different features as modules but in this case the menu/code links in html code can become difficult.

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• Where can I train my game AI skills? (any upgoing competition?) [on hold]

  - by user1671710

  There are 2 main options - building AI plugin for existing game or entering to some competition. Do you have some concrete tips? Is there any competition which will be soon open? From my research, competitions: http://aichallenge.org (last 2011) http://www.battlecode.org (January 2014) http://webdocs.cs.ualberta.ca/~cdavid/starcraftaicomp/index.shtml (August 2014) http://aibirds.org (maybe summer 2014) http://www.marioai.org (last 2012) http://www.ice.ci.ritsumei.ac.jp/~ftgaic/index.htm (last 2013) http://www.pacman-vs-ghosts.net (last 2012) http://ai-contest2013.gameloft.com/index/contest (last 2013) http://www.botprize.org/ (last 2012) And maybe more. These are from quick research. Obviously there were many competitions this year but it is difficult to catch it. Main question is: Do you have any information of any currently running AI competition?

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• how to accomplish boxee.tv sliding video effect

  - by juanmanuelrojascavaliere

  Hello people, i was wondering if there is a jquery plugin to recreate the boxee.tv video effect. regards juan

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• Scammers on the lose pretending to be Microsoft

  - by John Paul Cook

  Minutes ago I received a phone call that the caller ID listed as “Out of area”, which I knew was a bad sign. It was difficult to understand the caller because of his very thick accent. He told me that he was from Microsoft and that my computer was throwing a large number of errors and he was calling to help me. He directed me to use Windows R to open a run dialog box, type eventvwr and then look at the Event Viewer. Within Event Viewer, he instructed me to open Custom Views and then open Administrative...(read more)

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• how to create Codeigniter route that doesn't override the other controller routes?

  - by bakazero

  I've got a lot controller in my Codeigniter apps, ex: Signup, Profile, Main, etc.. Now I want to build "User" controller. what I want: if people goes to url: example.com/signup, I want use default route to "Signup" Controller if people goes to url: example.com/bobby.ariffin, I want to reroute this to "User" Controller because the url not handled by any Controller in my apps. I had create this in my config/routes.php: $route['(:any)'] = "user/$1"; but it's override all the route in my apps to "User" Controller. Is there any simple route for Codeigniter that doesn't override the other controller routes?

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• How to use database to generate multiple folder content page? [migrated]

  - by VenomVipes

  Scenario :I am trying to build a Mobile Entertainment Portal. It will enable users to download Music & Movies to their Cell Phones... Problem Exp : Suppose I upload 100 folders of Songs, each folder is for one Album. I want a way to generate a page with all the folders name (Album Name) in it. If user click on the page, they should be taken to a page where they get list of all songs in the album. Clicking on any song name will let them download it. Can it be done anyway or will I have to manually design each of the 3 pages for each album. If I do that, its time consuming and also will be difficult to change anything like footer, header...

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• Starts as Coldfusion developer and want to move into another language? [closed]

  - by Atrh

  I am working as a coldfusion developer for 2 years. Currently, I quit my job and doing master degree in computer science. I want to learn a new language. Before I start my career, I have some experience in .Net Framework and C#.Net. During these days, I learned PHP and it's going well. Now, I am doing some university project with Java. What I am thinking is that should I learn Java? It's really difficult for me.to know libraries and especially, Object Oriented concepts. After my degree, I want to work as software engineer. What should I do? What might be the best choice for me? PHP? Java? .Net?

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• Contiguous Time Periods

  It is always more efficient to maintain referential integrity by using constraints rather than triggers. Sometimes it isn't obvious how to do this. Until a recent idea by Alex Kuznetsov, the history table presented problems for checking data that were difficult to solve with constraints. Joe Celko explains. Free trial of SQL Backup™“SQL Backup was able to cut down my backup time significantly AND achieved a 90% compression at the same time!” Joe Cheng. Download a free trial now.

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• How to do MVC form url formatting?

  - by dqhendricks

  I am using PHP. I want to create an MVC setup from scratch to learn more about how MVC works. I want to use clean urls with slashes as delimiters for the arguments. How do people do this when it comes to GET method forms? Or do people avoid GET method forms all together? As of right now the ways I can imagine are: Don't use GET method forms (although this makes it harder to let users bookmark/link in some cases). Use AJAX instead of form submission (although what do you do for SEO and JS disablers?). Have page submit to itself with post method, then reform the post vars into an url, then rerout to that url using headers (seems like wasted resources). Any suggestions or suggested reading welcome.

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• Prediction happening on (sending) client side

  - by Daniel

  This seems like a simple enough concept, but I haven't seen this implemented anywhere yet. Assuming that the server just forwards and verifies data... I'm using mouse-based movement, so it's not too difficult to predict the location of the player 150ms from when the event is sent. I'm thinking it is more accurate than using old data and older data on the receiving clients' side. The question I have, is why can I not find any examples of this? Is there something fundamentally wrong with this that I cannot find anyone implementing or talking about implementing this.

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