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• real time scenario between interface/abstract class ?

  - by JavaUser

  Hi , Please give me a real time simple example for the below questions : Where to use interface rather abstract class Where to use abstract class rather interface I need code snippet for both . Which takes low memory and which performs well . Do I need to consider the design aspect also? What is the conceptual difference not the syntactical difference .

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• What Gotchas When Learning C++, If I came from PHP/Java?

  - by silent

  Hi, I need to learn C++ in order to learn building Nokia WRT and or maemo application. I need to know what gotchas and what aspect of C++ that I need/have to learn or focus more. One thing I got in my mind is that C++ doesn't have garbage collector. Therefor, I need to focus on variable type. But, is there any others that really important and I can't ignore it?

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• Good Source Control Hosting For Privacy?

  - by cam

  I'm looking for a very private source control/hosting solution. Short of hosting my own, and seeing as I'm the only collaborator, what is a good service for this? I'm using Git. The most important aspect is privacy. I don't want anyone to see my code, I'm simply using it for source control/backup. I will be the only developer.

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• Recover from an OutOfMemoryError without a restart

  - by askullhead

  Can the JVM recover from an OutOfMemoryError without a restart if it gets a chance to run the GC before more object allocation requests come in? Do the various JVM implementations differ in this aspect?

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• Software development methodology book for project managers

  - by Török Gábor

  What book do you recommend on software development methodologies (or on a specific methodology) that good for project managers? So I'm looking for a book that overviews methodologies from the aspect of a PM not a developer.

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• Open-source: licence header on each source file of a project or a single LICENCE.txt file?

  - by systempuntoout

  If i publish an open-source project, is it enough to add a LICENCE.txt file to the package or do i need to copy and paste it on top of every project's source file? On public repository like github or google code i saw mixed things and i'm curious on how this legal aspect should be handled correctly.

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• Open Source Salon Management Software Suggestions?

  - by Brian Scott

  I'm looking for a decent open source salon management system to recommend to a friend. I've considered writing a new system in .Net but the website aspect is already covered. What's really required at this stage is an decent reservation and stock management application that I could put in place for them. If there are recommendations for commericial pacakages which are reasonably priced I would also like to hear them. Thanks.

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• SQL: how to get the left 3 numbers from an int

  - by dmr

  I want to retrieve the left 3 numbers from an integer to be stored in a table. For example, if the int is 1234567, I want to retrieve 123. I want the second number (123) to also be an int; I don't want to convert anything to a string. (And yes, really I should be working with strings. But I don't have control over that aspect of the issue.) Thank you!

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• Pointcut matching methods with annotated parameters

  - by Sinuhe

  I need to create an aspect with a pointcut matching a method if: - Is public - Its class is annotated with @Controller - One of its parameters (can have many) is annotated with @MyParamAnnotation. I think the first two conditions are easy, but I don't know if its possible to accomplish the third with Spring. If it is not, maybe I can change it into: - One of its parameters is an instance of type com.me.MyType (or implements some interface) Do you think it's possible to achieve this? And will performance be good? Thanks

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• Why maven requires so many options to create a hello world project,can you recommend a more dedicate

  - by user198729

  Quoted from here: mvn archetype:generate -DgroupId=org.sonatype.mavenbook.simple \ -DartifactId=simple \ -DpackageName=org.sonatype.mavenbook \ -Dversion=1.0-SNAPSHOT And I also have to specify an archetype number... It seems that maven isn't satisfied to be just a Java build tool,but want to control all aspect of developing... Can someone recommend a really dedicated build tool for Java?

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• iPhone - customizing WebKit

  - by Greg

  Hello, Apple has disabled the overflow CSS aspect in mobile Safari so it is not possible to scroll inside a fixed height div. This is quite annoying. While making an iPhone native app, is it possible to access WebKit settings to turn that feature on ?

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• How the C# compiler treats query expressions ?(Dotnet 3.5, C#3.0)

  - by Newbie

  Going thru one of my favourite authors question What’s the hardest or most misunderstood aspect of LINQ? I am basically looking for the answer of the question: How the C# compiler treats query expressions Thanks

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• Are people really using Google App Engine, or they are just playing with it because "the cloud is co

  - by Bozho

  Since there are 1500+ questions for google-app-engine, I was wondering: what are people actually using it for? are they doing something for their companies or startups? are they just playing around with it because "the cloud is cool"? are they using it because it's the "java free hosting"? (answers from actual GAE users are preferable, but logical assumptions from others are welcome) Update: I was asking (as tagged) about the Java aspect of GAE.

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• DRUPAL: is it safe ? / cron.php ?

  - by Patrick

  hi, is drupal vulnerable under some aspect ? Or is it in general a secure CMS ? What about the cron.php. Can it be overloaded ? thanks

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• jquery document height reported incorrectly by IE (on XP) first time

  - by Zhami

  I'm having a "first time" problem with IE, which reports a different value for $(document).height(); when the page first loads versus subsequent queries. The difference is 17 pixels regardless of the opening size of the window -- on document ready, the height reported is 17 pixels larger than is subsequently reported. I wonder if this is an artifact of some aspect of my page (some margins or paddings somewhere), but so far can't account for 17 pixels.

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• Which messaging interfaces can BlackBerry apps modify?

  - by humble coffee

  Does the native Blackberry API allow for the modification of any messaging interface? For example, I'd like to be able to build an app that added a button at the bottom of a received message which says 'translate this'. I've heard that this kind of thing is possible using J2ME plus the native BlackBerry API. Can this be done for all kinds of messages, eg SMS, email and BB messaging? The translation aspect is not relevant, it just provides the context for the kind of feature I'm after.

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• WPF Label vs TextBlock in Border ?

  - by PaN1C_Showt1Me

  If you know that you have to show tens of texts with a border, would you decide for a Label (which is much complex and resources consuming) or a TextBlock in a Border? . The performance aspect is the one interesting for me now. Thank you !

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• dereferencing the null pointer

  - by FredOverflow

  int* p = 0; int* q = &*p; Is this undefined behavior or not? I browsed some related questions, but this specific aspect didn't show up.

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• Open-source: licence header on each source file OR a single COPYING OR both?

  - by systempuntoout

  Publishing an open-source project, is it enough to add a COPYING file to the package or do i need to copy and paste it on top of every project's source file? On public repository like github or google code i saw mixed things and i'm curious on how this legal aspect should be handled correctly.

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• Features to remove from C++

  - by Justin Ethier

  This question was inspired by What features would you like to see added to C++? (also see What features do you miss in C++?). C++ is a great general-purpose language, but perhaps too general and feature-rich: multiple inheritance, operator overloading, manual memory management, templates, smart pointers, virtual destructors, legacy frameworks (think MFC), and I could go on. Is there any one feature or aspect of C++ that you would like removed to make our lives easier as C++ developers? One feature per answer, please.

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• How to style forms in the Zend framework?

  - by user505988

  Hi, I really like the idea of putting forms into a seperate class that manages validation etc, but I don't like everything ending up in a DL and also not being able to use square bracket notation in post elements like <input type='checkbox' name='data[]'>. Is there another way of generating forms - like in views so I can style them the way I want, but also keeping the validation aspect? Also how would I load this view into my current view (using partial view somehow?)

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• What Do the New Features of C#4 Offer ASP.NET MVC Developers?

  - by DaveDev

  Is there any particular aspect of C#4 that I could find beneficial in learning in the context of an ASP.NET MVC application? Thanks

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• How do I combine two interfaces when creating mocks?

  - by sduplooy

  We are using Rhino Mocks to perform some unit testing and need to mock two interfaces. Only one interface is implemented on the object and the other is implemented dynamically using an aspect-oriented approach. Is there an easy way to combine the two interfaces dynamically so that a mock can be created and the methods stubbed for both interfaces?

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• Open-source: licence header on each source file OR a single LICENCE.txt OR both?

  - by systempuntoout

  Publishing an open-source project, is it enough to add a LICENCE.txt file to the package or do i need to copy and paste it on top of every project's source file? On public repository like github or google code i saw mixed things and i'm curious on how this legal aspect should be handled correctly.

  Read the article

• BlackBerry - Handle and translate messages (sms/email/pim/pin)?

  - by humble coffee

  Does the native Blackberry API allow for the modification of any messaging interface? For example, I'd like to be able to build an app that added a button at the bottom of a received message which says 'translate this'. I've heard that this kind of thing is possible using J2ME plus the native BlackBerry API. Can this be done for all kinds of messages, eg SMS, email and BB messaging? The translation aspect is not relevant, it just provides the context for the kind of feature I'm after.

  Read the article

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