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• Are doubles faster than floats in c#?

  - by Trap

  I'm writing an application which reads large arrays of floats and performs some simple operations with them. I'm using floats because I thought it'd be faster than doubles, but after doing some research I've found that there's some confusion about this topic. Can anyone elaborate on this? Thanks.

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• Automated incremental backups from Plesk on Centos to Amazon S3

  - by ChrisS

  Hi, I've done a far bit of research on this via Google and there seems to be quite a few ways of possibly doing this. I'm looking to incrementally backup new and updated files in two directories on my Plesk run Centos 5.2 server: /backups and /var/www/vhosts (preferable only httdocs within each vhost) Has anyone got some great feedback from using the various solutions - seems to be various Java, Perl and Ruby based solutions out there. Many thanks, Chris

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• Generate sample XML from composite hierarchical structure

  - by Jevgenij Nekrasov

  Let's say I have composite hierarchical structure. Each object in the structure has child collection of the same objects. Each object has XPath property, which stores the exact xpath to the element inside XML file. Right now I am trying to create an extension, which can generate XML string from that hierarchical structure, but first I want to make some sort of research what is the most efficient way to do that? ant what is the easiest way?

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• Robotium BDD with Cucumber

  - by LucasGomes

  I want to know if you guys know how to make BDD tests with Robotium. As I research Robotium works with a different Virtual Machine (Dalvik) so I cannot run as Junit Test (Only with Android Junit Test). So I found a possible solution to run Robotium with Junit with RoboRemote https://github.com/groupon/robo-remote. But when i tried to integrate with cucumber the tests became unstable. So you guys know some way to make BDD tests using Robotium?

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• Methods for implementing and using graphs of nodes in C++?

  - by DistortedLojik

  I am working on a research project that deals with social networks. I have done most of the backbone of the program in C++ and am now wanting to implement a way to create the graph of nodes and the connections as well as a way to visualize the connections between people. I have looked a little into Lemon and the Boost graph library, but was wondering which one would be easier to learn and implement or if I should just code my own.

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• How do I do a Date comparison in Javascript?

  - by Lulu Ket

  I would like to compare two dates in javascript. I have been doing some research, but all I can find is how to return the current date. I want to compare 2 separate dates, not related to today. How do I do that. var startDate = Date(document.form1.Textbox2);

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• Sharing code between Android and Windows Mobile

  - by reuscam

  I'm doing some initial research on smart phone development, and I noticed that Android and Windows Mobile both support c++ for application development. I was curious if anyone had any experience trying to manage shared files between both Android and Windows Mobile, and to what extent that code can be shared? e.g. no user interface can be shared, but web service and business logic classes can be shared, etc.

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• Database model for storing expressions and their occurrence in text

  - by lisak

  Hey, I'm doing a statistical research application. I need to store words according to 2 initial letters which is 676 combinations and each word has its number of occurrences (minimal, maximal, average) in text. I'm not sure how the model/schema should look like. There will be a lot of checking whether the keyword was already persisted. I appreciate your suggestions. Edit: I'll be using either mysql or postgresql + spring templates

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• How to create "floating TextViews" in Android?

  - by Sotapanna

  Hi stackies, I'm programmatically putting various TextViews into a LinearLayout with a horizontal orientation. After 2h of research I couldn't find out how to tell Android not to squeeze all the TextViews in one line but instead to "float" non-fitting TextViews into the next line. I know there isn't something like actual "lines" in a LinearLayout, but how can I tell the TextViews to actually behave like floating DIVs from the HTML world? Thanks alot! Be well S.

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• Android phones: how does the video out feature work?

  - by confusedKid

  Hi, I'm searching for android phones that can use video out to the tv for a research project. I'm considering the HTC Touch Pro. Is there anything I have to do specifically to get the video out to work (for displaying my app on the tv)? or will the phone just display a running app on the tv without extra work? Thanks, I hope the post made sense =)

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• How can I implement a 'select all' check-box on my CRM 4 custom form?

  - by Gryphoenix

  I am working on a custom CRM form with numerous checkboxes, organized by sections. I would like to implement a 'select all' feature to the form and am trying to understand how to format the JavaScript. My research thus far has pointed me to the possibility of using a FOR statement to iterate through all of the elements in the section I want to process, setting their values accordingly, but am unsure of which document.getElements ... method to utilize.

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• Amazon API library for Python?

  - by Kevin

  What Python libraries do folks use for querying Amazon product data? (Amazon Associates Web Service - used to be called E-Commerce API, or something along those lines). Based on my research, PyAWS (http://pyaws.sourceforge.net/) seems okay, but still pretty raw (and hasn't been updated in a while). Wondering if there's an obvious canonical library that I'm just missing.

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• JVM with no garbage collection

  - by HH

  I've read in many threads that it is impossible to turn off garbage collection on Sun's JVM. However, for the purpose of our research project we need this feature. Can anybody recommend a JVM implementation which does not have garbage collection or which allows turning it off? Thank you.

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• Portable C++ IDE

  - by Click Ok

  I want a portable C++ IDE for general development, and too to develop basic Windows GUI applications. In my research, I've found this (with latest version date): CodeLite IDE (2010-04-02) Code::Blocks (2008-02-28) Bloodshed Dev-C++ (2005-02-22) NetBeans (2009-12-10) Ultimate++ (2010-03-16) Qt Creator (2010-02-01) But I don't know if some these IDE's supports Windows GUI development (or Cross Platform GUI development) or if can be Portable (NetBeans can be portable).

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• What are the latest tools that I can use to write a DSL (Domain-specific language) in 2009 Sep?

  - by servicesxiaodai

  I looked into Logix and EasyExtend for Python. Logix hasn't been around for a while and it failed to install on Python 2.6. EasyExtend's tutorial is hopeless, the code in the tutorial doesn't even work. I am looking for something so I can write my DSL. My DSL will be used as a research tool. And I don't want to spend time learning all that parsing and compiler theory.

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• Need to make a simple C++ project with Sqlite

  - by vo-dang295

  I just research the sqlite3! i dont know the way to connect database - it's maked by sqlite - to C++ project! Could you help me create a example, please? Thanks so much everybody!

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• How do I remove HTTP authentication on a website on a FreeBSD Server?

  - by iglurat

  Hi guys, Sorry that I haven't done much of my own research but I do not know how to set up basic authentication, nevermind removing it! Thanks.

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• Groups equivalent for social plugin Facepile

  - by oivvio

  I need to do something similar to the Facepile social plugin for a site I'm working on. The problem is the client does not have have a Facebook page, but instead has a Facebook Group (with some 4000+ members). I guess I could urge the client to move their group members to a page, and I might do that in the future. But before I do I want to research how we're going to do Facebook-integration more thoroughly. For now I just need a quick fix.

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• Is there is any possibility to run a portable exe in debug mode(step-by-step) ?

  - by Rajakumar

  i want to work with portable exe for some research ,here i need some tools to run an PE debug mode ....kindly help me .if any tool is available to run a pe in step-by-step method.. thanks in advance.

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• Resources that explain or investigate artificial intelligence (AI) based approaches/strategies to th

  - by tauon

  While Mahjong (the actual game, not Mahjong solitare) is fairly simple in terms of basic rules and gameplay, setting objectives for the AI to transition to aim for certain end game goals seems fairly complex. Is anyone aware of any papers, research, or other materials related to this topic?

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• How to construct a c++ fstream from a POSIX file descriptor?

  - by BD at Rivenhill

  I'm basically looking for a C++ version of fdopen(). I did a bit of research on this and it is one of those things that seems like it should be easy, but turns out to be very complicated. Am I missing something in this belief (i.e. it really is easy)? If not, is there a good library out there somewhere to handle this?

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• topics in distributed systems

  - by scatman

  what do you think is an interesting topic in distributed systems. i should pic a topic and present it on monday. at first i chose to talk about Wuala, but after reading about it, i don't think its that interesting. so what is an interesting (new) topic in distributed systems that i can research about. sorry if this is the wrong place to post.

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• What is the first ORM framework?

  - by user1014315

  I'm doing a presentation about history of software engineering and stuck at this question due to the lack of available information. According to my quick research, TopLink is the first ORM framework ever created (in 1990s, certainly before 1996). If anyone else has a different opinion, please let me know. (Please also provide a link to the reference sources) Ref: http://en.wikipedia.org/wiki/List_of_object-relational_mapping_software http://en.wikipedia.org/wiki/TopLink

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• How to find files older than N days from a given timestamp

  - by JGeZau

  I want to find files older than N days from a given timestamp in format YYYYMMDDHH I can find file older than 2 days with the below command, but this finds files with present time find /path/to/dir -mtime -2 -type f -ls Lets say I give the input timeSamp=2011093009 so I want to find files older than 2 days from 2011093009 Been doing my research, but can't seem to figure it out. ========================================== Found the solution...see below for my Answer.. Thanks

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• C++ classes use of double colon [duplicate]

  - by user2444217

  This question already has an answer here: What does the :: mean in C++? 5 answers What Does :: Mean? 3 answers I am learning C++. Now I don't fully understand what this does Some_Class::SomeClass { etc... } I would do some research for myself, but I'm not sure where to begin or what's it called. Help would be appreciated.

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