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• How To use Android Accelerometer Detection

  - by Rakesh

  Hello Sir,i want to know how to calculate the accelerometer movement.When i place the mobile horizontally in idle state and similarly when i place the mobile in hands,So there accelerometer value change when it is place horizontally or while it is in hand vertically.How To Identify them,Any Sample Codes will be useful Regards Rakesh Shankar.P

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• Thread pool in scala

  - by ghedas

  I have a project that is actor-based and for one part of it I must use some actors that receive message after that one actor assigns to each request separately and each actor is responsible for doing its message request, so I need something like a thread pool for actors of my project, are there any features in Scala that is useful for my necessity? how can I achieve this goal? tanks a lot for your attention!

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• How to map a Entity Data Model conceptual model property to a storage model column using the "Serial

  - by codekaizen

  I have a conceptual model in EDM where one of the entities has a property which is essentially a big value object whose properties aren't really useful as columns in the datamodel. I'd like to apply the Serialized LOB pattern to it so that I can fit it into a 192 byte binary column. How do I map this in the EDM v4? Is it even possible at this time? Actually, is it possible in any ORM?

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• Redis - Records Fall Off

  - by Ian

  With memcache, when you exceed the available ram, it automatically drops the oldest records off the end of the stack.. Is there a way to do this with redis? I'm trying to find ways to avoid running in to a write error (when there's no more available ram), other than setting a timeout. The only reason the timeout isn't useful, it because it doesn't guaranty the ability to write.

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• lightweight publish/subscribe framework in java

  - by mdma

  Is there a good lightweight framework for java that provides the publish/subscribe pattern? Some ideal features Support for generics Registration of multiple subscribers to a publisher API primarily interfaces and some useful implementations purely in-memory, persistence and transaction guarantees not required. I know about JMS but that is overkill for my need. The publish/subscribed data are the result of scans of a file system, with scan results being fed to another component for processing, which are then processed before being fed to another and so on.

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• What is the simplest and most impressive piece of jQuery code you've seen?

  - by Matias

  I think the question is clear enough, but I'd like to clarify it because it's subjective at some point and I don't want it closed. I want to see some short jQuery examples with awesome results (either from the user or from the programmer perspective), that would not be that easy using straight javascript without any library. I find this question useful to be aware how using jQuery simplifies your js code.

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• Are there any free cmd-line scripts which can re-format PHP source-code?

  - by digitala

  I'm using a pre-commit hook to lint-check PHP source submitted by our staff, and everyone's really happy with the results. The staff have agreed it would be useful to have the code re-formatted to follow (customizable) style rules on commit. Are there any FOSS scripts which can do this from the command-line?

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• Count max rectangles number, that can be placed inside character

  - by Nickolay

  Hi, I need a solution for quite complex problem. Exactly, I need to calculate the number of rectangles that can be placed inside letter/character with given size, considering that all rectangles are the same size, but it(the size) and the letter/character(of some regular specific font) itself can be changed by user(this will be used as webside calculator of signboard price). If describe this graphically, it looks like this. Any ideas or useful links will be much appreciated. Thanks in advance

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• Using Quartz with Spring

  - by Anurag

  In my application there is a requirement to be able to create Scheduled Job(s) depending on the type of Request that comes in (Dynamically). Can I still use Spring to create and trigger Jobs? If Yes, how? Any help would be useful.

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• Why is "while" loop really needed in Python?

  - by Tomaž Pisanski

  I was told that 95% of all loops in Python are "for" loops. Since "while" loops are clearly more "dangerous" than "for" loops, I would like to know if there are situations in which the use of a "while" loop is essential. For teaching purposes it would be useful to know if there is a systematic way of transforming "while" loops into "for" loops.

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• Is there a generic class to write structured Text Files?

  - by Burnsys

  I have several projects that need to write structured Textfiles, some with fixed size fields, other delimited by characters. Is there a .net class that could be used for that? I know there is a "Microsoft.VisualBasic.FileIO.TextFieldParser" that is useful for reading textfiles, i am actually searching for a ""Microsoft.VisualBasic.FileIO.TextFieldWriter" Related: http://stackoverflow.com/questions/34182/reading-text-files-using-net

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• No IntelliSense for c++/cli in visual studio 2010?

  - by Sam

  I just moved from Visual Studio 2008 to 2010, and noticed one major flaw: When I try to use AutoComplete in a C++ Source file for managed c++, a small note in the footer appers: intellisense for c++/cli not available Uh, has IntelliSense for c++/cli been dropped from Visual Studio 2010? Is there any way to get this back? It is rather useful...

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• Shaders with pygtkglext

  - by qba

  Do someone know how to get glsl shaders work in gtk-opengl window? With glut all glCreateProgram etc. functions works, but when I tried to put the same gl code into pygtkglext window, its complaining about NullReference: OpenGL.error.NullFunctionError: Attempt to call an undefined function glCreateProgram, check for bool(glCreateProgram) before calling So then I from OpenGL.GL.ARB.shader_objects import *, but the result is similar: OpenGL.error.NullFunctionError: Attempt to call an undefined function glCreateProgramObjectARB, check for bool(glCreateProgramObjectARB) before calling Any idea will be useful.

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• Hidden features of Ruby

  - by squadette

  Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language. Try to limit this discussion with core Ruby, without any Ruby on Rails stuff. See also: Hidden features of C# Hidden features of Java Hidden features of JavaScript Hidden features of Ruby on Rails (Please, just one hidden feature per answer.) Thank you

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• How to add a shortcut key in notepad++?

  - by Atul

  I would like to create a shortcut key for "Reloading a file" in notepad++ as I use this feature a lot in it. I tried finding documentation for it but didn't find any useful information. Is it possible? If yes, please point me to how to do this?

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• WPF show control in debug mode only

  - by naeron84

  I have some useful wpf buttons to test some functionality. It would be good not to show them in release but in debug indeed. Doing it from code is easy. But I'd prefer a declarative solution.

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• Delphi 7: ADO, need basic coding example

  - by mawg

  I am a complete n00b here. Can someone please post some Delphi code to create a database add a simple table close the database then, later open a database read each table read each field of a given table perform a simple search Sorry to be so clueless. I did google, but didn't find a useful tutorial ...

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• How can I embed Weblogic server in java ?

  - by Xinus

  I am searching any way for embedding Weblogic server in Java , I know its possible because we have maven plugins for Weblogic which embeds Weblogic in maven, But googling for it did'nt gave me useful output, Does anybody know how can we embed wemlogic in java program ?

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• Qt as a true multi-platform dev-env

  - by ruralcoder

  Inspired by the maturity problems I am facing porting on Mono Mac & Linux. I am investigating the use of Qt as an alternative. I am curious to hear about your favorite Qt experiences, tips or lesser known but useful features you know of. Please, include only one experience per answer.

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• How do I retrieve the number of processors on C / Linux ?

  - by Andrei Ciobanu

  I am writing a small C application that use some threads for processing data. I want to be able to know the number of processors on a certain machine, without using system() & in combination to a small script. The only way i can think of is to parse /proc/cpuinfo. Any other useful suggestions ?

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• How to handle major framework/dependency upgrades?

  - by APSampson

  Looking for some best practices on handling a major dependency upgrades within a project, assuming the use of a dependency management tool(e.g., Maven 2). Specifically, I'm interested in: How get an inherited application up-to-date(e.g., Spring 1.2.x to 2.5.x) What practices can be put into place to after such an overhaul to keep applications somewhat up-to-date Your own experiences or any articles/papers you've come across/found to be useful are welcome.

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• Induction of graduate programmers

  - by spong

  What are some practical ideas that you have found useful for bringing graduates on to your team in their first job? Some of the things that are working well for us include: Assigning a mentor to assist the learning process Written coding standards/guidelines Spending a period of time with the test team to learn the product Where possible, a broad range of experiences in the first few months Anything else that works well for you? A related question can be found here.

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• Asking ESS and R users for suggestions for elisp codes in .emacs file

  - by ggg

  I believe that not all R users know elisp. It would be nice if ESS users could share their code in their .emacs file here. Well commented code would be particularly useful.

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• IConnectableObservables in Rx

  - by Ray Booysen

  Hi there Can someone explain the differences between an Observable and a ConnectableObservable? The Rx Extensions documentation is very sparse and I don't understand in what cases the ConnectableObservable is useful. This class is used in the Replay/Prune methods.

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• Caching ASP.NET AJAX service javascript proxies

  - by Stephen Newman

  We have a number of small but useful WCF services which are being hosted using the WebScriptServiceHostFactory class and consumed via ASP.NET AJAX. We've noticed that in our production environment that the javascript proxies are not being cached by the client. Is there anyway to allow these files to be cached?

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