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• How significant are JPA lazy loading performance benefits?

  - by Robert

  I understand that this is highly specific to the concrete application, but I'm just wondering what's the general opinion, or at least some personal experiences on the issue. I have an aversion towards the 'open session in view' pattern, so to avoid it, I'm thinking about simply fetching everything small eagerly, and using queries in the service layer to fetch larger stuff. Has anyone used this and regretted it? And is there maybe some elegant solution to lazy loading in the view layer that I'm not aware of?

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• Rails 3 ready to use in Production?

  - by Victor P

  Is Rails 3 ready to use in Production? I know is in beta (currently beta 3), but is it suitable to build a simple app using authentication (devise)? Or should I wait for a final version? What is your opinion? Thanks

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• whether a language needs preIncrement (++x) and postIncrement (x++)

  - by Anantha Kumaran

  i have never seen the usecase for preincrement and postincrement in actual code. The only place i see them most often are puzzles. My opinion is, it introduces more confusion rather than being useful. is there any real use case scenario for this can't this can be done by using += y = x++ y = x x += 1

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• ideas for Android applications...

  - by gaponte69

  any idea related to the android applications, with a possibility of integration on facebook or twitter ? I found this link useful: http://www.talkandroid.com/android-forums/android-applications/80-9-great-ideas-android-applications.html , but I appreciate your opinion and any interesting idea :)

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• MainMenu with Images

  - by j-t-s

  I have a MainMenu in my app and I would like to have little icons relevant to the Item in each menu. But the MainMenu control does not support this. I would use the MenuStrip control, though that is a pretty ugly option in my opinion. Does anybody have any suggestions? Are there any free/open source alt's out there, or would it be easy/possible to implement that feature into the existing MainMenu control?

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• Is there any cross-platform threading library in C or C++?

  - by NumberFour

  Hello, I'm looking for some easy to use cross-platform threading library written in C or C++. What's your opinion on boost::thread or Pthreads? Does Pthreads run only on POSIX compliant systems? What about the threading support in the Qt library? Thanks for any hints.

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• Alternatives to checking against the system time

  - by vikp

  Hi, I have an application which license should expire after some period of time. I can check the time in the applicatino against the system time, but system time can be changed by the administrator, therefore it's not a good idea to check against the system time in my opinion. What alternatives do I have? Thank you

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• What is the best forum plug-in solution for the Symfony framework?

  - by Zoja

  I'm looking for a good solution to integrate a forum into a symfony application. Something like phpBB would be excellent. I've seen phpBB plugins to integrate with symfony but that's not enough for my purposes, also, mapping database tables is a lame approach in my opinion. If anybody knows a good working forum component for Symfony then I would really apreciate it. :) Thanks!

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• What great communties/projects should be extended/improved by users ?

  - by hory.incpp

  In my opinion: Wikipedia.org Stackoverflow.com code providing community (is there such a site?) drupal - modules How websites (howstuffworkes.com, ehow.com etc) Sourceforge Yahoo answers Google earth (pics,3d,comments) ..............

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• AIMA in disgrace?

  - by lmsasu

  Hi, according to some reviews on Amazon, the AIMA 3rd Edition is quite a disappointment... minor update not worth the money. In your opinion, which is then a more suitable introductory textbook on artificial intelligence?

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• What is the best credit card processing service?

  - by JerSchneid

  We're looking to add credit card payments to our system (and it needs to be fairly custom, handling variable "per use" charges each month). We would like the integration to be simple and secure (i.e. no storing of credit card data on our system). What, in your opinion, is the best credit card processing provider to offer this kind of security and flexibility. List only one provider per answer to let the voting system do it's thing.

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• How secure is sending sensitive data over https?

  - by Xabatcha

  I would like to ask you about your opinion guys. Is SSL secure enough for using sensitive data (like password) in query string? Is there any extra options to implement? thanks for any word.X.

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• Is it ok to perform DB operation on UI thread?

  - by user648462

  I am using a database to persist the state of a search form. I am using the onPause method to persist the data and the onResume method to restore it. My opinion is that restoring and persisting state should be a blocking operation so I plan to perform the database operations on the UI thread. I know this is generally discouraged but the operations should be quick and I think if they were done asynchronously they could lead to inconsistent UI behaviour. Any advice

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• What is the motivation behind c++0x lambda expressions?

  - by LoudNPossiblyRight

  I am trying to find out if there is an actual computational benefit to using lambda expressions in c++, namely "this code compiles/runs faster/slower because we use lambda expressions" OR is it just a neat development perk open for abuse by poor coders trying to look cool? Thanks. PS. I understand this question may seem subjective but i would much appreciate the opinion of the community on this matter.

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• Web user interface. Add new item and list of items

  - by w1z

  Hello all I need your opinion on the following question. It's need to implement the administration web interface to add\change\remove\display system users. I need to display all users and controls for user adding/changing. What is the common pattern in web for this situation: create one page or create two separate pages for displaying and adding/changing users? Thanks, sorry for some possible oddness (:

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• Is it good, that every PHP class implements a Singleton pattern

  - by Sbioko

  Hello, is it good, that every PHP class implements a Singleton pattern? I think, it will be less memory usage because of it. Is it right opinion? Thanks!

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• Why membership provider is not generic?

  - by Timmy O' Tool

  I have to confess that I hate membership provider. The default implementation is not very appropriate normally and I haven't seen so far a good implementation of a custom membership provider, probably because this is not possible :-) So the question is: In your opinion: which are the reasons for not having membership/role provider as a generic class? I mean, why Microsoft didn't selected this approach.

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• GUI style question: Icons in context menus?

  - by Andrew White

  Hi, It seems like not so long ago that it was standard to have icons/images in context menus and Microsoft seems to keep this up. But nowadays it seems to have disappeared in other apps: Chrome, iTunes etc. Anyone have an opinion / idea why this has happened or is it just completely personal taste (I for one like the images). A.

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• Why use Apache over NGINX/Cherokee/Lighttpd?

  - by codysoyland

  Apache has been the de facto standard web server for over a decade, but recent years have brought us web servers that consume less RAM and handle many more requests per second using fewer threads and asynchronous i/o. In my opinion, I also find the configuration of these servers to be more straightforward and minimal. Why do people use Apache when asynchronous servers are so much more lightweight? Is there any clear benefit?

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• SEO Services - Good or Bad?

  - by NTulip

  What is everyone's opinion of SEO companies and is there a true honest service that can help? Is it a waste of money and time? Are they really able to influence your ranking in a search?

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• Naming conventions for complex getters in Java

  - by Simon

  Hi there! I was reading this C# article about the usage of properties and methods. It points out why and when to use properties or methods. Properties are meant to be used like fields, meaning that properties should not be computationally complex or produce side effects I was asking myself how you could express this difference in Java, where you only use getters for the retrieval of data. What is your opinion?

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• Reasons to store users' data in LDAP instead of RDBMS

  - by Ancymon

  It is often said that using LDAP is a good way to store data about users. That's beacause users' "directory" is hierarchical and it changes rarely. But in my opinion that doesn't exclude using RDBMS. What might be reasons to use LDAP? I guess that storing multi-valued fields or adding custom fields in LDAP might be easier but it can be done in database too (unless you have many records)

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• What's the simplest and fastest way to draw a parse tree using .Net?

  - by mp

  I've written a simple top down parser using c#. It's a console application. I'd like the parser could save, at the end of the computation, an image file of the parse tree. I think I could use graphviz, but I'd like to know your opinion. Thanks.

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• WCF Cool Applications

  - by Lijo

  Hi Team, What all are the cool applications that we can create by utilizing WCF. Games, Chat …. Please list what all you feel cool. It would be great if you can mention the transport protocol needed for it. If you can mention a sample article for the application also, there is nothing like that. Please share your opinion Thanks Lijo

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• How is Programming Pearls 2nd ed different from the first edition?

  - by S I

  I enjoyed reading Jon Bentley's Programming Pearls 1st edition a long time ago. Is the second edition worth buying? Are there significant changes, other than code being written in C/C++? P.S.: I've seen what the author says, but I wanted to seek opinion from other readers as to what they really thought of it.

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