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• Non-Profit Volunteer Opportunities

  - by Sean

  I have seen questions on SO regarding volunteering for potential employers or volunteering to help out on open source projects. But what about putting your IT skills to use at traditional non-profit organizations as a volunteer? I would like to volunteer some time to a worthwhile cause in 2010, but am having a hard time finding organizations who may need IT help. Does anyone do this? Are there any websites out there to help one find organizations looking for such help? I would think some must have a need for free software development type work? I saw a bit on 'WeVolunteer' that publishes a database of volunteer opportunities (http://www.wetv.com/volunteer.html), but it seems to be more 'typical' volunteer opportunities (soup kitchens, walk-a-thons, etc).

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• Does it make sense to study COBOL?

  - by Alon

  I have had a talk with a friend of mine about the relative vulnerability of different types of IT workers to unexpected unemployment (e.g. layoffs, company going out of business, obsolete skills etc.) as it seems COBOL developers (or maintainers?) seems very secure in their positions, regardless of the state if the economy or even how good they are. With so much critical COBOL code being around on the one side and the deminishing number of COBOL know-hows on the other , it actually makes sense to recommend someone starting their way in the IT world and looking for a relativity secure job to study and intern in COBOL! what do you think ?

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• Entity Framework 4.0 Unit Testing

  - by Steve Ward

  Hi, I've implemented unit testing along the lines of this article with a fake object context and IObjectSet with POCO in EF4. http://blogs.msdn.com/adonet/archive/2009/12/17/test-driven-development-walkthrough-with-the-entity-framework-4-0.aspx But I'm unsure how to implement a couple of methods on my fake object context for testing. I have CreateQuery and ExecuteFunction methods on my object context interface so that I can execute ESQL and Stored Procedures but I cant (easily) implement them in my fake object context. An alternative would be to use a test double of my repository instead of a double of my object context as suggested here: http://social.msdn.microsoft.com/Forums/en-US/adonetefx/thread/c4921443-e8a3-4414-92dd-eba1480a07ad/ But this would mean my real repository isnt being tested and would seem to just bypass the issue. Can anyone offer any recommendations?

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• change color of red box on tri-state checkbox

  - by Adam S

  Hi all. I'm trying to get the green box that appears on the second click of a tri-state checkbox to be red, and also to fill up the box. I found an article here that demonstrates a little bit about using templates to do this: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/98cf8a65-f4ca-4ff5-9851-c2989b91a013 However, I can't figure out how to interpret all that. I only understand a few of the things in that template and don't know how to get my red box. Can anyone help, and also tell me how you knew what to do?

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• Noob here, but wanting to try and make my own app.

  - by Justin

  Hi all, I have a small amount of programing experience with Siemens and Allen Bradley but would like to make my own app for a certain website I frequent. I would like the website to be a little more user friendly for me instead of having to open browser etc. Is it possible to have a simple forum translated into a widget so you can see the forum posts and post from there? The website in question is http://vnboards.ign.com Any ideas or suggestions no matter how bad are appreciated. If it isnt worth attempting or my skills may not be up to par, feel free to say so :P Dont pull any punches :) Thanks! Justin

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• Universal syntax file format?

  - by Isaiah

  Hey as a project to improve my programing skills I've begun programing a nice code editor in python to teach myself project management, version control, and gui programming. I was wanting to utilize syntax files made for other programs so I could have a large collection already. I was wondering if there was any kind of universal syntax file format much in the same sense as .odt files. I heard of one once in a forum, it had a website, but I can't remember it now. If not I may just try to use gedit syntax files or geany. thanks

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• Any reason why I shouldn't use couchdb for message passing or realtime activity streams?

  - by Up

  While using ampq or xmpp (rabbitmq or ejabbered that could have couchdb as backends) seems like a good fit to deliver real time updates about friend state in a social gaming platform where updates are small but frequent, I can't help but think why wouldn't couchdb be a good platform to deliver such updates? The main advantage I could think of is its ability to filter updates based on friends and availability of changes api, which makes developing such an application and managing it (including replication) quite easy compared to ampq or xmpp where you have to think about how to manage the pubsub nodes and who is subscribed to them at any point in time. However, I can't help but think this is too good to be true, I can't find information on what couchdb's shortcomings are. Somehow, it feels like using MySQL for message passing which is why I am hesitant to using it. Anyone have any experience in using couchdb for such applications? would you recommend another platform to use?

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• Getting ready for learn html5

  - by vtortola

  Hi, I'm a desktop application developer, and I plan learning html5, but as it's not released, there is no (almost) published books and no too much infomation from beginners on the web... I fell I should start with html4 and the current web development skills. I think, I should start with html4, css and javascript... but there are so many technologies related that I get lost :D So, what current technologies will be sill used when html5 be released? I mean, what about "jquery" and "ajax"? I know they are javascript under the hood, but will they still make sense in the future? What would you recommend me considering that I have just a little bit of html knowlegde, almost null CSS and completely null in javascript? Thanks in advance.

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• Which are the best techniques to protect a 'homemade' framework from unlogged visitors?

  - by Hermet

  First of all, I would like to say that I have used the search box looking for a similar question unsuccessfully, maybe because of my poor english skills. The way I currently do this is checking in every single page that a session has been opened. If not, the user gets redirected to a 404 page, to seem like the file which has been requested doesn't exist. I really don't know if this is sure or there's a better and more safety way and I'm currently working with kind of confidential data that should never become public. Could you give me some tips? Or leave a link where I could find some? Thank you very much, and again excuse me for kicking the dictionary.

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• Updating display of elements on the web page without refreshing the whole page

  - by ivorossi3

  Last time I coded a web application was almost 10 years ago. I used Java/JSP/HTML/CSS etc. I've been coding non-web applications only ever since. When I look at modern sites now (like this one), I realize how my web development skills are obsolete. Maybe the most obvious "feature" that I wouldn't know how to implement now is the update of elements on the page after user input without having to refresh the whole page (e.g. the voting/downvoting here updates the vote count without reloading the whole page). What are the basic technologies behind this?

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• Redmine & Git integration

  - by archnemesis

  I am considering moving from svn and Trac to git and Redmine. I'm just wondering what everyone's experience is of this. How well does git integrate with Redmine? I'm pretty set on my decision to change from svn to git - our distributed work, and need to frequently branch and merge would make life considerably easier with git. But we would possibly need to split things into multiple projects for this. From what I have been reading, git and multiple projects don't integrate too smoothly with Trac. That aside, in my investigations into git, Redmine has also caught my attention, and some of the features look very useful. However, I haven't found as many user experiences of git and Redmine as what I'd like (possibly due to my lack of searching skills...) and so would like to hear your opinions and examples.

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• acts-as-taggable-on: find tags with name LIKE, sort by tag_counts?

  - by James

  Hi I'm using the rails plugin acts-as-taggable-onand I'm trying to find the top 5 most used tags whose names match and partially match a given query. When I do User.skill_counts.order('count DESC').limit(5).where('name LIKE ?', params[:query]) This return the following error: ActiveRecord::StatementInvalid: SQLite3::SQLException: ambiguous column name: name: SELECT tags.*, COUNT(*) AS count FROM "tags" INNER JOIN users ON users.id = taggings.taggable_id LEFT OUTER JOIN taggings ON tags.id = taggings.tag_id AND taggings.context = 'skills' WHERE (taggings.taggable_type = 'User') AND (taggings.taggable_id IN(SELECT users.id FROM "users")) AND (name LIKE 'asd') GROUP BY tags.id, tags.name HAVING COUNT(*) > 0 ORDER BY count DESC LIMIT 5 But when I do User.skill_counts.first.name this returns "alliteration" I'd appreciate any help on this matter.

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• What is the best method of assessment for computer science students?

  - by Gavimoss

  This question is a bit more philosophical so feel free to remove if you like but it's been bugging me for the last 4 years! As a final year student I find that exams can be often be passed with a couple of days of cramming, without necessarily retaining or understanding the content i.e. a regurgitation of lecture notes is often enough to gain high marks. A friend of mine is about to graduate with an honours degree whose final year evaluation was based solely on practical work (a project, assignment marks and the creation of a poster) yet all of this work could have been completed by a third party. Personally I don't think either of these methods of assessment is sufficient as I am currently on track for a 1st class honours in artificial intelligence and computer science and believe this is mostly due to my skill in passing exams not my skill as a programmer or my vast in depth knowledge of any of the subjects I have "studied". Surely there is a better way to assess our skills - isn't there?

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• FlockDB - What is it? And best cases for it uses.

  - by Guru

  Just came across FlockDB graph database. Details at github /flockDB. Twitter claims it uses FlockDB for the following: Twitter runs FlockDB on a large cluster of machines. we use it to store social graphs (who follows whom, who blocks whom) and secondary indices at twitter. At first glance, setup and trying it doesn't look straight forward. Have anyone already used it / setup this? If so, please answer the following general queries. What kind of applications is it better suited for? (Twitter claims it is simple and very rough, it remains to see what it meant though) How is FlockDB better than other graph db / noSQL db. Have you setup FlockDB, used it for a application? Early advices any? Note: I am evaluating the FlockDB and other graph databases mainly for learning them. Perhaps, I will build an application for that.

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• What software license should I release my code under?

  - by Citizen

  We're about to finish some free software and we're not sure what license we should release it under. Here's the details: The software is funded by several sponsors The software is open source (edit: see comments) The software will be free to download by the end-user The software will be free to use and modify for personal and commercial use by the end-user We want to retain ownership of the code We don't want anyone else to distribute our product What software license should we use? Edit: this is a free php social arcade script. Something like a Kongregate.com clone.

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• Multiple user database design

  - by dieguitoweb

  I have to develop a basic social network for an academic purpose; but I need some tips for the users management.. The users are subdivided into 3 groups with different privilege: admins,analysts and standards users. For every user should be stored into the database the following information: name,lastname,e-mail,age,password. I'm not quite sure how I should design the database between theese two solutions: 1)one table called 'users' with the 'role' attribute that explain what a user can do and what can't do, and the permissions are managed via php 2)every application user is a database user created with the query 'CREATE ROLE' (It's a postgres database) and he has permissions on some tables granted with the 'GRANT' statement You should take into account that the project is for a database exam.. thanks

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• Why are C, C++, and LISP so prevalent in embedded devices and robots?

  - by David

  It seems that the software language skills most sought for embedded devices and robots are C, C++, and LISP. Why haven't more recent languages made inroads into these applications? For example, Erlang would seem particularly well-suited to robotic applications, since it makes concurrent programming easier and allows hot swapping of code. Python would seem to be useful, if for no other reason than its support of multiple programming paradigms. I'm even surprised that Java hasn't made a foray into general robotic programming. I'm sure one argument would be, "Some newer languages are interpreted, not compiled" - implying that compiled languages are quicker and use fewer computational resources. Is this still the case, in a time when we can put a Java Virtual Machine on a cell phone or a SunSpot? (and isn't LISP interpreted anyway?)

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• Creating a custom format string in a dataGridView

  - by Andy

  I have a dataGridView whose dataSource is a dataTable. My problem is that I want certain columns to be displayed in Hex. I can get that far with using something like this: foreach (DataGridViewColumn c in grid.Columns) { if (DISPLAYED_IN_HEX.Contains(c.Name)) { c.DefaultCellStyle.Format = "X"; } } My issue though is that I want this hex value prepended with 0x so as not to confuse anyone that they are in hexidecimal form. The values in the dataTable are various integral types. I looked into creating a custom IFormatProvider, but I don't think my coding skills are up to that par yet. Any other possible solutions?

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• Syncing SQL Server 2008 Databases over HTTP using WCF & Sync Framework

  - by Raj

  I've tried to get a solution for the above said question from MSDN Social and other resources from Microsoft. I was specifically looking for offline scenarios where client come online only to fetch updates from the Server. There are plenty of articles on Sync covering Sql CE but MSFT team seems to be ignoring questions from the community on Syncing with Sql Express clients. There is no standard provider for Sql Express client yet, and Sql 2008 change tracking is not supported in the latest release too. Since Sql Replication is an expensive alternative, I have to go with Sync Framework. Have anyone here in SO worked with Sync Framework, syncing through WCF endpoints? Please share code samples or sample projects.

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• Execute function by pressing "return" using jQuery?

  - by Axel

  Hi, i have two text inputs like the following, i don't want to use <form> , so i want when people press "return" after filling the inputs, a function called "doit()" should be executed. <script> function doit(){ alert("you submitted the info"); ..........ajax code........ } </script> <input type="text" id="email" /> <input type="text" id="skills" /> Thanks

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• How to keep up the interest in job?

  - by stranger

  Hi, I have been working as Software Developer for 6+ yrs. And I have worked from start ups to big companies. I always feel some elements missing in me and those are interest, passion etc. In short, I don't feel motivated while coming to work. This makes me think how my work-life balance will look like once I reach at more responsible positions. I don't want to change my field and I feel blessed as well but I think I am not working passionately for my learning, future growth, improvement, skills etc. Any pointers will be highly appreciated. Thx

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• Creating a blocked user intercepter in Grails

  - by UltraVi01

  I am working on a social site where users can block other users. Throughout the site --dozens of places, user information is displayed. For example, user comments, reply forms, online user list.. etc etc.. The problem is that given the high number of places user info is displayed, it's becoming very difficult to check each time if that user is blocked. For example: <g:each var="comment" in="${comments}"> <g:if test="!${loggedInUser.blockedUsers.find { it == comment.user}"> show comment </g:if> </g:each> Does Grails provide any functionality that would facilitate creating some kind of filter or intercepter where I could simply exclude blocked users when iterating lists, etc? If not, what would you suggest I do?

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• WPF> Using RadioButtonList style. I want to display user friendly enum strings. how?

  - by Saghar

  Hi WPF lovers, I want to display all the possible enum values as Radio buttons. I am using popular RadioButtonList style to display the radiobutton from my enum using DataProvider in a Listcontrol. I can get all the radio buttons but the text appear with the radio button is not user friendly. I am using the following method. http://social.msdn.microsoft.com/forums/en-US/wpf/thread/5137aabc-bb3a-478a-9438-bc93dd9cc0ac/ I want to show "A ball" instead of "a" and "B ball" instead of "b" I thought about using converter. But where to use convert. Or any other way to display user friendly values? As this style is very common, thats why I am not writing whole code. If anything not clear, please ask. I have already invested about 5 hours on this problem.

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• What are your references/recommendation on .NET DVDs, books and online training?

  - by egyamado

  There are lots of training methods from different vendors to learn .NET technologies (i.e. books, DVDs, online training, etc.). All of them claim the same thing: that they are the best, their content is 100% guaranteed, makes their customers professional in no time, etc. It’s confusing and sometimes frustrating as well. I especially want a training resource (i.e. a course) to provide valuable content in short time. More importantly I feel they should do their job properly so as to avoid the customer feeling they've wasted time or money. What I should do when I evaluating training methods and resources to help further software development skills? What are your training sources? Do you have any recommendations?

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• C++ Typing and OOP child classes

  - by Zack

  I'm a bit confused: If I have a base class A, and a class B which extends A, can a variable of the type A hold a value of the type B and vice versa? If yes, why? Aren't they completely different even if B is derived from A? How about type-safety? If this is possible, what things do I have to mind when taking use of this? How would this work out in terms of performance? Note: Sorry if I asked too many questions, just ignore them and just look out for those "marked" with the list decoration dot :) Also, this is not my homework. I'm a hobby programmer and have skills in scripting languages with OOP, yet I'm relatively new to OOP typing in C++.

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