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  • What static analysis tool do you prefer?

    - by glutz78
    Ideally, I'm looking for something to integrate into visual studio 2005, but if i could run it on the command line on windows or on linux for gcc, that would be okay also. I'm looking for something in the $1000 range so I understand I wont get the best tools available. But I also prefer something better than cppcheck, which is free. Any ideas? Thanks.

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  • Windows mobile Compact Framework SqlCeConnection

    - by pdiddy
    I'm hearing that is better to have one connection open upon app start up and closing it when the app shuts down. What kind of issue can occur having multiple connections ? Any articles out there that it is best practices to have one connection? What are your experience with sql ce?

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  • ArrayCollection versus Vector Objects in FLEX

    - by Vetsin
    Can anyone tell me the applicable differences between an ArrayCollection and a Vector in flex? I'm unsure if I should be using one over the other. I saw that Vector is type safe and that makes me feel better, but are there disadvantages? public var ac:ArrayCollection = new ArrayCollection(); versus public var vec:Vector.<String> = new Vector.<String>(); Thanks.

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  • long polling vs streaming for about 1 update/second

    - by jcee14
    is streaming a viable option? will there be a performance difference on the server end depending on which i choose? is one better than the other for this case? I am working on a GWT application with Tomcat running on the server end. To understand my needs, imagine updating the stock prices of several stocks concurrently.

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  • Different Open Source Document Management systems

    - by DJ
    HI all, Could anyone suggest some good Web based Open source Document Management systems ,other than WSS My requirements are To share pdfs/word docs/excel/access files etc Total 50 files in total of about approx 2MB each, which are updated regularly With aroung 30 users accessing them based on their rights. I would like to know if any other DMS better than WSS available. Thanks for the info.

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  • Symfony 1.4: Custom error message for CSRF in forms

    - by Tom
    Hi, Can anyone tell me where/how to customise the CSRF token error message for forms in Symfony 1.4. I'm using sfDoctrineGuard for logins and in this form particularly, whenever a session runs out and you still have the page open, it throws a very user-unfriendly error: "CSRF attack detected". Something like "This session has expired. Please return to the home page and try again" sounds better. What's the right way to do this in the form class? Thanks.

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  • How can we create iPhone-like spinners in android?

    - by greg7gkb
    Default spinners on the iPhone look a lot better than on Android. It looks like at least one Android app (UrbanSpoon) has been able to replicate this control, and it's awesome: http://www.urbanspoon.com/android Anyone have any ideas on how to create this? Code would be helpful. Thanks, -g

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  • Using Artificial Intelligence (AI) to predict Stock Prices

    - by akaphenom
    Given a set of datavery similar to the Motley Fool CAPS system, where individual users enter BUY and SELL recommendations on various equities. What I would like to do is show each recommendation and I guess some how rate (1-5) as to whether it was good predictor<5 (ie corellation coeffient = 1) of the future stock price (or eps or whatever) or a horrible predictor (ie corellation coeffient = -1) or somewhere inbetween. Each recommendation is tagged to a particular user, so that can be tracked over time. I can also track market direction (bullish / bearish) based off of something like sp500 price. The components I think that would make sense in the model would be: user direction (long/short) market direction sector of stock The thought is that some users are better in bull markets than bear (and vice versa), and some are better at shorts than longs- and then a cobination the above. I can automatically tag the market direction and sector (based off the market at the time and the equity being recommended). The thought is that I could present a series of screens and allow me to rank each individual recommendation by displaying available data absolute, market and sector out performance for a specfic time period out. I would follow a detailed list for ranking the stocks so that the ranking is as objective as possible. My assumtion is that a single user is right no more than 57% of the time - but who knows. I could load the system and say "Lets rank the recommendation as a predictor of stock value 90 days forward"; and that would represent a very explicit set of rankings. NOW here is the crux - I want to create some sort of machine learning algorithm that can identify patterns over a series of time so that as recommendations stream into the application we maintain a ranking of that stock (ie. similar to correlation coeeficient) as to the likelihood of that recommendation (in addition to the past series of recommendations ) will affect the price. Now here is the super crux. I have never taken an AI class / read an AI book / never mind specific to machine learning. So I cam looking for guidance - sample or description of a similar system I could adapt. Place to look for info or any general help. Or even push me in the right direction to get started... My hope is to implment this with F# and be able to impress my friends with a new skillset in F# with an implementation of machine learnign and potentially something (application / source) I can include in a tech portfolio or blog space; Thank you for any advice in advance.

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  • Convert the uploaded files to specific file format which can not download

    - by Avinash
    Hi, I have a problem regarding to prevent download and saving of uploaded files. My users can upload multiple files types like doc, pdf, ppt,etc.... This all file types are easily download if any one have url. So what is the better way to prevent the download of the file. Or i convert the uploaded files to some specific format which can not download easily (e.g flash).. I am running on php and mysql. Thanks Avinash

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  • Nested Row problem

    - by Patrick
    Hi, I'm using the 1kb css grid framework for a site, and although nested rows are apparently supported by the framework, when I try to drop in a nested row it doesn't work! Sorry not to explain it better - the site's here, may be easier to just look at the source: http://2605.co.uk/saf/build/ the grid: /grid.css the stylesheet: /style.css I'm a graphic designer hacking his way through a site he shouldn't be having to build but there's no budget to speak of! Cheers for any help, Patrick

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  • Progress bar in data grid view

    - by Pat
    Is there a way to have a progress bar in a cell in a DataGridView? At design time, you can add a TextBox, Button, Image, Link, ComboBox, or CheckBox, but not a ProgessBar. Is there a better control in WPF that will allow this?

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  • ATL CString or_bstr_t?

    - by Gopalakrishnan Subramani
    In our COM project, we need to choose between best string class implementation so that BSTR (used for COM interfaces) and elegant string class like CString provides many string manipulation APIs. Are there any better way to handle the strings and string operations so that it can be BSTR complaints as well as we can have naive CString operations?

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  • Ruby: Passing optional objects to method

    - by Sam
    Class TShirt def size(suggested_size) if suggested_size == nil size = "please choose a size" else size = suggested end end end tshirt = TShirt.new tshirt.size("M") == "M" tshirt = TShirt.new size = tshirt.size(nil) == "please choose a size" What is a better way to have optional objects in a method? Procs?

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  • Finding x,y position of a datagrid / adavancedDataGrid row in Flex

    - by zak kus
    I have flex advancedDataGrid (could use dataGrid if that works better, though i like my meta-column headers), and i want to have a component popup on top of a selected row. The problem is, i can figure out how to reference an actual rendered row of a datagrid (rather than an item of the dataprovider) in order to get its position on the screen. Does anyone have any theories on how to access a "row" of a datagrid, or at least get its position? Cheers

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  • JSLint -Tolerate inefficient subscripting?

    - by James Wiseman
    I'm reading the JSlint Options Documentation to understand each of the available options, and have come across one that I don't quite understand, and can't find any useful information regarding it elsewhere. sub - Tolerate inefficient subscripting true if subscript notation may be used for expressions better expressed in dot notation. Can anyone shed more light as to what this means? Thanks

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  • error handling with NSURLConnection sendSynchronousRequest

    - by Nnp
    how can i do better error handling with NSURLConnection sendSynchronousRequest? is there any way i can implement - (void)connection:(NSURLConnection *)aConn didFailWithError:(NSError *)error i have a nsoperation queue which is getting data in background thats why i have sync request. and if i have to implement async request then how can i wait for request to get complete. because that method can't proceed without data.

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  • How to convert floats to human-readable fractions?

    - by Swaroop C H
    Let's say we have 0.33, we need to output "1/3". If we have "0.4", we need to output "2/5". The idea is to make it human-readable to make the user understand "x parts out of y" as a better way of understanding data. I know that percentages is a good substitute but I was wondering if there was a simple way to do this?

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  • Python readability hints for a Java programmer

    - by Samuel Carrijo
    I'm a java programmer, but now entering the "realm of python" for some stuff for which Python works better. I'm quite sure a good portion of my code would look weird for a Python programmer (e.g. using parenthesis on every if). I know each language has its own conventions and set of "habits". So, from a readability standpoint what are conventions and practices which is "the way to go" in Java, but are not really the "pythonic way" to do stuff?

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  • What groupware/collaboration system to choose?

    - by Ivan
    I am looking for a good (stable enough, intuitive enough, and the more technologically modern and advanced - the better) free PHP-based online groupware/collaboration system. 100% UTF-8 is a requirement. OOP-style code is an advantage. And collaborative mindmapping would be a cool feature to have. The team is of ~20 people. Any suggestions?

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  • embedding pascal

    - by Sam P
    Is anyone aware of a Pascal interpreter/compiler which is embeddable in C++ (or anything else other than Pascal) applications? I am cloning (for lack of a better word) an application which uses an Object-Pascal compatible scripting language and needs to be script compatible. Am I going to end up writing an interpreter? (!)

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