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• What would be the market life of a JVM based software framework?

  - by Nav

  I saw how Struts 1 lasted from 2000 to 2013. I hear that people are moving from Struts 2 to Spring. But for a project that may need to be maintained for a decade or two, would it be advisable to opt for a framework or directly code with servlets and jquery? Can a system architecture really be designed keeping in mind a particular framework? What really is the market life of a framework? Do the creators of the framework create it with the assumption that it would become obsolete in a decade?

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• Changing hosts but keep old emails [closed]

  - by LDaniel

  Possible Duplicate: Change host / keep emails OK here's the situation...I'm trying to transfer my domain and email address to a new hosting service and I would like to start using Google's domain apps for my email, etc. My email address is currently on a WebMail type platform and when I move my domain and start using Google domain apps I would also like to keep the old emails and have them imported the the email address on Google. Note: The email address will be the same on both hosts. For example [email protected]. So its keeping the same address between two different systems. I've been Googling how to do this for awhile and all the migrate options that come up don't appear in the the Google inbox setting or domain apps config settings. Any help is greatly appreciated.

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• Looking for best approach to create new projects for enviroment specifics files

  - by Ness

  ClearCase Question... Overview of requirements: There are 3 diff environments (DEV, TEST and PROD) which have a folder called 'common' that users across all envs. There are multiple servers in those 3 envs and we want to store their server environment specific configuration files in Clearcase. The executables files are different for each environment. Thus there will not be cross delivery require between dev/test/prod. Any thoughts on how we can approach this? Is keeping it simplest is the best approach here? One component to one vobs as (DEV_Serv1, TEST_Serv1, PROD_Serv1, Dev_Serv2, Test_Serv2 and etc)? OR Have multiple components VOB? One other thing is developers here like to use snapshots views.

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• What's a standard productive vs total office hours ratio? [migrated]

  - by marianov

  So it goes like this: we are keeping track of tasks using Redmine. We log time spent doing tasks, but at the end of the week if we add up all the time spent at those tasks there is no way a person has spent 40hs working. I think that's correct because offices have overhead (reading emails, politics, coffee, distractions). What would be a normal productive time vs total time spent ratio? Other areas in the organization just measure time spent in the office (with the rfid badges that open the door) but we don't like that approach and we are trying to convince Auditing to measure us using redmine instead.

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• Lipoaspiration in your SQL Server Database

  Once, when disk space was at a premium, DBAs fought hard to keep the size of their database down. Now there seems less motivation to 'fight the flab' of a database. Fabiano Amorim was watching television recently when the subject matter, cosmetic surgery, gave him the theme and inspiration for this guide to keeping your database fit and trim. 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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• Can Associates Degree graduates in Software Development get jobs?

  - by SteveCode1

  I m a Software Development major in an Associates of Applied Science degree in Software Development and I ll have a 2nd Associates of Applied Science degree in Information Technology. I m 37 ill be 39 when finished. I enjoy coding HTML so far and networking and windows admin. Are people my age finding jobs right away after school or should i just keeping going to the state university in the CS degree? I kinda want to work. I enjoy CISCO and have passed classes but not taken the CCNA yet. I just don t think I m ready. But I enjoy coding aswell. Any suggestions would be helpful. Thank you.

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• Delete all traces of windows from Ubuntu

  - by TheOm3ga

  I used to have a dual boot in one of my hard disk drives - Ubuntu and Windows 7. Then, I added a SSD which is now my main hard disk drive, and I'm using it for Windows 7 completely, keeping Ubuntu in the old HD. I restored the Grub so everything works ok, except for one thing. Everytime I update the grub, it detects two windows: Found Windows 7 (loader) on /dev/sda1 Found Windows 7 (loader) on /dev/sdb1 Obviously, I don't want it to detect the Windows on sdb1. Because I no longer use it (I manually deleted the files). What can I do about that without wiping out completely the partition?

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• Multiplayer in a game. How to design it object wise?

  - by Ninetou

  I was suggested on StackOverflow to ask this question here. I'm working on a simple game and I was thinking of adding multiplayer feature but I'm a bit stuck. I'm not sure what approach should I take, keeping in mind good programming practices. I have a Player object which is created for each player but then I have many other classes that would have to be able to access them. The thing is, if I initialise them in, let's say my main method, then I can't relate to different instances of player class from other classes. The only solution to my problem that comes to my mind is using some form of global objects but afaik using anything globally in apps is usually not a good practice. Any suggestions/ideas?

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• Private downloads [on hold]

  - by user1314836

  I am setting up a personal website and I would like to be able to share certain files with friends (e.g. photo albums or documents). Of course, each of the files should only be accessible to certain people, for example with a password or a private address. I would like to have a simple system, easy to maintain. I'm quite sure that Wordpress would let me know do something but keeping a Wordpress installation just for sharing a few files per month seems too much work. I am thinking of using the Apache capabilities for folder or file password protecting. Is this the best idea? Or would it be better just to block the directory navigation so that only people with the full path for each of the files can download them? Thanks!

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• How can i programmatically use aero snap features from C# code

  - by user1739957

  I have a simple question. How can I access aero snap programmatically from my C# code. Like, if I click a button "Snap Left", I want my program window to snap to the left, just like when its drug over there manually. I looked all over SO, but all the questions seem to be about aero snap not working with a form, and keeping it from snapping a form. Not programmatically snapping a form. I'm happy to use interloping. Thanks

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• Relative width for a CSS layout, fixed and fluid mix

  - by Alec Smart

  Hello, I am trying to make a chatroom layout like the following: Now my problem is that I am not sure how to have the container box occupy the whole width and height (with valid doctype) and then make the center div grow if the window grows keeping the rest constant. i am well aware of js/css. so i just need some beginning guideline. i would like to avoid javascript to process and then set heights and widths.

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• Sharing a UIView between UIViewControllers in a UITabBarController

  - by Wireless Designs

  Hi all - I have a UIScrollView that houses a gallery of images the user can scroll through. This view needs to be visible on each of three separate UIViewControllers that are housed within a UITabBarController. Right now, I have three separate UIScrollView instances in the UITabBarController subclass, and the controller manages keeping the three synchronized (when a user scrolls the one they can see, programmatically scrolling the other two to match, etc.), which is not ideal. I would like to know if there is a way to work with only ONE instance of the UIScrollView, but have it show up only in the UIViewController that the user is currently interacting with. This would completely eliminate all the synchronization code. Here is basically what I have now in the UITabBarController (which is where all this is currently managed): @interface ScrollerTabBarController : UITabBarController { FirstViewController *firstView; SecondViewController *secondView; ThirdViewController *thirdView; UIScrollView *scrollerOne; UIScrollView *scrollerTwo; UIScrollView *scrollerThree; } @property (nonatomic,retain) IBOutlet FirstViewController *firstView; @property (nonatomic,retain) IBOutlet SecondViewController *secondView; @property (nonatomic,retain) IBOutlet ThirdViewController *thirdView; @property (nonatomic,retain) IBOutlet UIScrollView *scrollerOne; @property (nonatomic,retain) IBOutlet UIScrollView *scrollerTwo; @property (nonatomic,retain) IBOutlet UIScrollView *scrollerThree; @end @implementation ScrollerTabBarController - (void)layoutScroller:(UIScrollView *)scroller {} - (void)scrollToMatch:(UIScrollView *)scroller {} - (void)viewDidLoad { [self layoutScroller:scrollerOne]; [self layoutScroller:scrollerTwo]; [self layoutScroller:scrollerThree]; [scrollerOne setDelegate:self]; [scrollerTwo setDelegate:self]; [scrollerThree setDelegate:self]; [firstView setGallery:scrollerOne]; [secondView setGallery:scrollerTwo]; [thirdView setGallery:scrollerThree]; } - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView { [self scrollToMatch:scrollView]; } @end The UITabBarController gets notified (as the scroll view's delegate) when the user scrolls one of the instances, and then calls methods like scrollToMatch: to sync up the other two with the user's choice. Is there something that can be done, using a many-to-one relationship on IBOutlet or something like that, to narrow this down to one instance so I'm not having to manage three scroll views? I tried keeping a single instance and moving the pointer from one view to the next using the UITabBarControllerDelegate methods (calling setGallery:nil on the current and setGallery:scrollerOne on the next each time it changed), but the scroller never moved to the other tabs. Thanks in advance!

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• Standard way to persist data between requests in ASP.NET-MVC

  - by Nate Bross

  What is the most standard or best way to persist data between requests? Should I use cookies or session variables? I'm interested in keeping data like sort order, sort column, and page number (for paginiation). I'm coming from a webforms background so normally this type of thing was automatically handled for me in the viewstate of the controls I was using.

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• Hide cursor in Chrome (and IE)

  - by Chris

  I have the following CSS that hides the mouse cursor for anything on the web page. It works perfectly in FireFox but in IE and and Chrome it doesn't work. html { cursor: none; } In Chrome I always see the mouse pointer. In IE however I see whatever cursor was last 'active' when it entered the screen. Presumably it's keeping the last selection instead of removing it.

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• Question About Example In Robert C Martin's _Clean Code_

  - by Jonah

  This is a question about the concept of a function doing only one thing. It won't make sense without some relevant passages for context, so I'll quote them here. They appear on pgs 37-38: To say this differently, we want to be able to read the program as though it were a set of TO paragraphs, each of which is describing the current level of abstraction and referencing subsequent TO paragraphs at the next level down. To include the setups and teardowns, we include setups, then we include the test page content, and then we include the teardowns. To include the setups, we include the suite setup if this is a suite, then we include the regular setup. It turns out to be very dif?cult for programmers to learn to follow this rule and write functions that stay at a single level of abstraction. But learning this trick is also very important. It is the key to keeping functions short and making sure they do “one thing.” Making the code read like a top-down set of TO paragraphs is an effective technique for keeping the abstraction level consistent. He then gives the following example of poor code: public Money calculatePay(Employee e) throws InvalidEmployeeType { switch (e.type) { case COMMISSIONED: return calculateCommissionedPay(e); case HOURLY: return calculateHourlyPay(e); case SALARIED: return calculateSalariedPay(e); default: throw new InvalidEmployeeType(e.type); } } and explains the problems with it as follows: There are several problems with this function. First, it’s large, and when new employee types are added, it will grow. Second, it very clearly does more than one thing. Third, it violates the Single Responsibility Principle7 (SRP) because there is more than one reason for it to change. Fourth, it violates the Open Closed Principle8 (OCP) because it must change whenever new types are added. Now my questions. To begin, it's clear to me how it violates the OCP, and it's clear to me that this alone makes it poor design. However, I am trying to understand each principle, and it's not clear to me how SRP applies. Specifically, the only reason I can imagine for this method to change is the addition of new employee types. There is only one "axis of change." If details of the calculation needed to change, this would only affect the submethods like "calculateHourlyPay()" Also, while in one sense it is obviously doing 3 things, those three things are all at the same level of abstraction, and can all be put into a TO paragraph no different from the example one: TO calculate pay for an employee, we calculate commissioned pay if the employee is commissioned, hourly pay if he is hourly, etc. So aside from its violation of the OCP, this code seems to conform to Martin's other requirements of clean code, even though he's arguing it does not. Can someone please explain what I am missing? Thanks.

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• GQL query help - How can I write a query with where clause in GQL ? I am using google appengine data

  - by srivigneshwar

  I have three records in a table example: *Usernames* *email* *city* Nick [email protected] London Vikky [email protected] Paris Lisa [email protected] Sydney Now I want to get specific record keeping email ID as a key , SQL query may be like this select * from table1 where email = "[email protected]" What is the equivalent GQL query for the above ??

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• How do you manage using Linux and open source tools on a safety-critical project.

  - by Bruce

  I would like to get some advice or at least stories about keeping the reins tight on a project (and the software engineers working on it) that uses open source tools but that has to clear safety certifications.

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• How to deploy a commercial portable application?

  - by plainth

  Hi, We plan to sell a Windows portable application. By 'portable' I mean that it can be run from any Windows computer without installing it. For example from an USB stick etc. However the application while (theoretically) it can work anywhere, is targeted to LAN environments. What solutions do you see that while keeping this advantage (in a more or a lesser degree) to still make money from it? PS: The application is/will be written in Delphi.

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• What are the best programming articles?

  - by lillq

  Part of being a good software developer is keeping current with what people are saying in the community. There are many good articles out there on the Internet about the wide subject of computer programming. What articles have you found worth your time? Please provide the article's title, author and a link if possible.

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• How to migrate from SVN to GIT Locally

  - by Guilherme

  I'm working on a project that initially used Subversion, but the remote repository was removed and i don't want to use Subversion any more. I want to migrate it to git. There's a way to do it without the remote repository, keeping all revisions history (without doing a git init .)? I've already made a subversion to git migration with git-svn with no problems it on other projects, but they were on remote repository and i cannot find any info about migrating it locally.

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• .NET RegEx "Memory Leak" investigation

  - by Kevin Pullin

  I recently looked into some .NET "memory leaks" (i.e. unexpected, lingering GC rooted objects) in a WinForms app. After loading and then closing a huge report, the memory usage did not drop as expected even after a couple of gen2 collections. Assuming that the reporting control was being kept alive by a stray event handler I cracked open WinDbg to see what was happening... Using WinDbg, the !dumpheap -stat command reported a large amount of memory was consumed by string instances. Further refining this down with the !dumpheap -type System.String command I found the culprit, a 90MB string used for the report, at address 03be7930. The last step was to invoke !gcroot 03be7930 to see which object(s) were keeping it alive. My expectations were incorrect - it was not an unhooked event handler hanging onto the reporting control (and report string), but instead it was held on by a System.Text.RegularExpressions.RegexInterpreter instance, which itself is a descendant of a System.Text.RegularExpressions.CachedCodeEntry. Now, the caching of Regexs is (somewhat) common knowledge as this helps to reduce the overhead of having to recompile the Regex each time it is used. But what then does this have to do with keeping my string alive? Based on analysis using Reflector, it turns out that the input string is stored in the RegexInterpreter whenever a Regex method is called. The RegexInterpreter holds onto this string reference until a new string is fed into it by a subsequent Regex method invocation. I'd expect similar behaviour by hanging onto Regex.Match instances and perhaps others. The chain is something like this: Regex.Split, Regex.Match, Regex.Replace, etc Regex.Run RegexScanner.Scan (RegexScanner is the base class, RegexInterpreter is the subclass described above). The offending Regex is only used for reporting, rarely used, and therefore unlikely to be used again to clear out the existing report string. And even if the Regex was used at a later point, it would probably be processing another large report. This is a relatively significant problem and just plain feels dirty. All that said, I found a few options on how to resolve, or at least work around, this scenario. I'll let the community respond first and if no takers come forward I will fill in any gaps in a day or two.

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• What Issue Tracking System to select?

  - by Mikee

  What Issue Tracking Sytem is the most appropriate for fast, big, multilingual and international websites? The system has to handle both technical and content/editorial issues. What's the size and type of your site do you run? Whart System are you using for the keeping it state of the art? Thanks a lot for sharing your good or bad experience.

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• Invert a stack, without using extra data structures?

  - by vks

  How would you invert a stack, without using extra data structures, like a second, or temporary, stack. Thus no stack1-stack2 or stack-queue-stack implementation in the answer. You just have access to push/pop feature of a standard stack. I think there is way to do it by keeping a global counter and using pointer manipulation. If I solve it myself, I will post it. If someone else figures it out, please post your solution.

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• Session Bean returning another Remote Session Bean reference [JBOSS]

  - by mrlinx

  Hi all, I have a Stateless Session Bean in my JBoss Server that contains a function returning an instance of another Session Bean (this one is stateful). My problem arises because this returned object doesn't seem to keep its persistence model (the EntityManager is null). What is the right way to return from a Session Bean another Session Bean, keeping its remote "connection"?

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• Reg exp to replace the whole word if any word contains any non alphanumeric character or space

  - by Andrew

  e.g string = "This is a re@lly long long,long! sentence"; becomes string = "This is a long sentence"; Basically so all non-alphanumeric words or removed keeping spaces in tacked Any ideas?

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